Lebenslauf :: Prof Leibfritz ::  

1. S.M. Kakkad, M.F. Penet, A. Akhbardeh, A.P. Pathak, M. Solaiyappan, V. Raman, D. leibfritz, K. Glunde, Z.M. Bhujwalla.
   Hypoxic tumor environments exhibit disrupted collagen I fibers and low macromolecular transport.
   PLoS One. 8,e81869(2013).
2. J.B. Hövener, N. Schwaderlapp, T. Lickert, S.B. Duckett, R.E. Mewis, L.A. Highton, S.M. Kenny, G.G. Green, D. Leibfritz, J.G. Korvink, J. Hennig, D. von Elverfeldt.
   A hyperpolarized equilibrium for magnetic resonance.
   Nat Commun. 4,2946(2013).
   
3. J. Klawitter, J. Klawitter, E. Agardi, K. Corby, D. Leibfritz, B.D. Lowes, U. Christians, T. Seres.
   Association of DJ-1/PTEN/AKT- and ASK1/p38-mediated cell signalling with ischaemic cardiomyopathy.
   Cardiovasc Res. 97:66-76(2013).
   
4. J.B. Hövener, S. Bär, J. Leupold, K. Jenne , D. Leibfritz, J. Hennig, S. B. Duckett, D. von Elverfeldt.
   A continuous-flow, high-throughput, high-pressure parahydrogen converter for hyperpolarization in a clinical setting.
   NMR Biomed. 26, 124-131(2013).
   
5. S.M. Kakkad, M. Solaiyappan, P. Argani, S. Sukumar, L.K. Jacobs, D. leibfritz, Z.M. Bhujwalla, K. Glunde.
   Collagen I fiber density increases in lymph node positive breast cancers: pilot study.
   J Biomed Opt. 17:116017(2012).
   
6. S. Bär, T. Lange, D. leibfritz, J. Hennig, D. von Elverfeldt, J.B. Hövener.
   On the spin order transfer from parahydrogen to another nucleus.
   J Magn Reson. 225:25-35(2012).
   
7. J. Klawitter, J. Klawitter, V. Schmitz, N. Brunner, A. Crunk, K. Corby, J. Bendrick-Peart, D. Leibfritz, C.L. Edelstein, J.M. Thurman, U. Christians.
   Low-salt diet and cyclosporine nephrotoxicity: changes in kidney cell metabolism.
   J Proteome Res. 11, 5135-5144(2012).
   
8. W. Dreher, P. Erhard, D. Leibfritz.
   Fast 3D proton spectroscopic imaging of the human brain at 3 Tesla by combining spectroscopic missing pulse SSFP and echo planar spectroscopic imaging.
   Magn. Reson. Med. 66, 1518-1525 (2011).
9. J. Willmann, H. Thiele, D. Leibfritz.
   Combined reversed phase HPLC, mass spectrometry, and NMR spectroscopy for a fast separation and efficient identification of phosphatidylcholines.
   J Biomed Biotechnol. pii: 385786(2011).
   
10. J. Klawitter, J. Klawitter J, E. Kushner, K. Jonscher, J. Bendrick-Peart, D. Leibfritz, U. Christians, V. Schmitz.
    Association of immunosuppressant-induced protein changes in the rat kidney with changes in urine metabolite patterns: A proteo-metabonomic study.
    J. of Proteome Ress 9, 865-875 (2010).
11. J. Klawitter, S. Gottschalk, C. Hainz, D. Leibfritz, U. Christians, N.J. Serkova.
    Immunosuppressant neurotoxicity in rat brain models: oxidative stress and cellular metabolism.
    Chem. Res. Toxicol. 23, 608-619 (2010).
12. S. Elitok, S. Trump, H. Hampl, D. Leibfritz, R. Kettritz, F.C.Luft.
    Recurrent metabolic acidosis in a dialysis patient.
    Kidney Int. 78, 425-6 (2010).
13. R. Murín, G. Mohammadi, B. Kowtharapu, D. Leibfritz, B. Hamprecht.
    Metabolism of [U-13C]Aspartate by Astroglial Cultures: Nuclear MagneticResonance Analysis of the Culture Media.
    Neurochem. Res. 35, 2053-2061 (2010).
14. J. Klawitter, M. Haschke, C. Kahle, C. Dingmann, J. Klawitter, D. Leibfritz, U. Christians.
    Toxicodynamic effects of ciclosporin are reflected by metabolite profiles in the urine of healthy individuals after a single dose.
    Br. J. Pharmacol. 70, 241-251 (2010).
15. J. Klawitter; S. Gottschalk, C. Hainz, D. Leibfritz, U. Christians, N. Serkova.
    Immunosuppressant neurotoxicity in rat brain models: Oxidative stress and cellular metabolism.
    Chem. Res. Toxicol. 23, 608–619 (2010).
16. J. Klawitter, J. Klawitter, E. Kushner, K. Jonscher, J. Bendrick-Peart,D. Leibfritz, U. Christians, V. Schmitz.
    Association of immunosuppressant-induced protein changes in the rat kidney with changes in urine metabolite patterns: a proteo-metabonomic study.
    J. Proteome Res. 9, 865-875 (2010).
17. V. Schmitz, J. Klawitter, J. Bendrick-Peart, G. Puhl, M. Haschke, J. Klawitter, Z.V. Tran, J. Chan, D. Leibfritz, U. Christians.
    Metabonomic profiles reflect nephrotoxicity of Sirolimus and Cyclosporine in rat kidney transplantation.
    Nephron Physiol., 111, 80-91 (2009).
18. J. R. Liddell, C. Zwingmann, D. Leibfritz, S. R. Robinson, R. Dringen.
    Sustained hydrogen peroxide stress decreases lactate production by cultured astrocytes.
    J. Neurosci. Res. 87, 2696-708 (2009).
19. J. Klawitter, N. Anderson, J. Klawitter, U. Christians, D. Leibfritz, S.G. Eckhardt, N.J. Serkova.
    Time-dependent effects of imatinib in human leukemia cells:a kinetic NMR-profiling study.
    Br. J. Cancer 100, 923-931 (2009).
20. J. Klawitter, D. Kominsky, J. Brown, J. Klawitter, U. Christians,D. Leibfritz, J. Melo, G. Eckhardt, N.J. Serkova.
    Metabolic consequences of imatinib resistance in chronic myeloid leukemia cells.
    Br. J. Pharmacol. 158, 588-600 (2009).
21. R. Murin, G. Mohammadi, D. Leibfritz, B. Hamprecht.
    Glial metabolism of valine.
    Neurochem. Res. 34, 1195-1203 (2009).
22. Z. Dong, W. Dreher, D. Leibfritz, B. Peterson.
    Challenges of using MR spectroscopy to detect neural progenitor cells in vivo.
    AJNR 30, 1096-1101 (2009).
23. J. Klawitter, J. Bendrick-Peart, B. Rudolph, V. Beckey, J. Klawitter,M. Haschke, C. J.Rivard, L. Chan, D. Leibfritz, U. Christians, V. Schmitz.
    Urine metabolites reflect time-dependent effects of cyclosporine and sirolimus on rat kidney function.
    Chem. Res. Toxicol. 22, 118-128 (2009).
24. R. Murin, G. Mohammadi, D. Leibfritz, B. Hamprecht.
    Glial metabolism of isoleucine.
    Neurochem. Research 34, 194-204 (2009).
25. C. Schuster, W. Dreher, J. Stadler, J. Bernarding, D. Leibfritz.
    Fast 3D 1H MR spectroscopic imaging at 7 Tesla using „Spectroscopic Missing Pulse – SSFP“.
    Magn. Reson. Med. 60, 1243-1249 (2008).
26. J. Willmann, H. Thiele, D. Leibfritz.
    Hyphenated tools for phospholipidomics.
    J. Biomol. Tech. 19, 211–216 (2008).
27. J. Klawitter, C. J. Rivard, L.M. Brown, J. M. Capasso, N. E. Almeida, A. B. Maunsbach, K. Pihakaski-Maunsbach, T. Berl, D. Leibfritz, U. Christians, L. Chan.
    A metabonomic and proteomic analysis of changes in IMCD3 cells chronically adapted to hypertonicity.
    Nephron Physiol. 109, 1-10 (2008).
28. S. Vielhaber, H. G. Niessen, Grazyna Debska-Vielhaber, Alexei P. Kudin, J. Wellmer, J. Kaufmann, M. A. Schönfeld, R. Fendrich, W. Willker, D. Leibfritz, J. Schramm, Ch. E. Elger, H.-J. Heinze, W. S. Kunz.
    Subfield-specific loss of hippocampal N-acetyl aspartate in temporal lobe epilepsy.
    Epilepsia 49, 40-50 (2008).
29. J. Klawitter, V. Schmitz, J. Klawitter-Miljus, D. Leibfritz, U. Christians.
    Development and validation of an assay for the quantification of 11 nucleotides using LC/LC-electrospray ionization-MS.
    Anal. Biochem. 365, 230-239 (2007).
30. C. Zwingmann, D. Leibfritz, A. S. Hazell.
    13C-NMR spectroscopic analysis of region-selective changes in brain energy metabolism in a subacute rat model of manganese neurotoxicity.
    Glia 55, 1610-1617 (2007).
31. J. Willmann, M. Röben, S. Woynowski, M. Spraul, H. Thiele, D. Leibfritz.
    Characterization of lysophosphatidylcholine in lipid extracts by hyphenated techniques.
    Chemistry and Physics of Lipids 149, Supplement 1, 89 (2007).
32. D. Mayer, W. Dreher, D. Leibfritz, D. M. Spielman.
    RF refocused echoes of J-coupled spin systems: Effects on RARE based spectroscopic imaging.
    Magn. Reson. Med. 57, 967-971 (2007).
33. J. Willmann, K. Mahlstedt, M. Spraul, H. Thiele, D. Leibfritz.
    Characterization of sphingomyelins in lipid extracts using a HPLC-MS-Offline-NMR method.
    Anal. Chem. 79, 4188-4191 (2007).
34. H. G. Niessen, G. Debska-Vielhaber, K. Sander, F. Angenstein, A. C. Ludolph, L. Hilfert, W. Willker, D. Leibfritz, H.-J. Heinze, W. S. Kunz, S. Vielhaber.
    Metabolic progression markers of neurodegeneration in the transgenic G93A-SODI mouse model of amyotrophic lateral sclerosis.
    Eur. J. Neurosci. 25, 1669-1677 (2007).
35. D. Leibfritz, W. Dreher, W. Willker.
    In vivo NMR applications of metabonomics.
    Chapter 17 (page 489-516) in “The Handbook of Metabonomics and Metabolomics”,J. C. Lindon, J. K. Nicholson, E. Holmes (eds.), Elsevier B. V. Amsterdam 2007.
36. M. Valko. D. Leibfritz, J. Moncol, M.T.D. Cronin, M. Mazur, T. Telser.
    Free Radicals and antioxidants in normal physiological functions and human disease.
    The Int. J. of Biochem. & Cell Biol. 39, 44-84 (2007).
37. C. Schuster, W. Dreher, Ch. Geppert, D. Leibfritz.
    Fast 3D 1H spectroscopic imaging at 3 Tesla using Spectroscopic Missing-Pulse SSFP with 3D spatial preselection.
    Magn. Reson. Med., 57, 82-89 (2007).
38. C. Zwingmann, D. Leibfritz.
    Glial-neuronal shuttle systems.
    Chapter 1.2 in Vol. 5 Brain Energetics: Integration of Molecular and Cellular Processes (Eds. G. E. Gibson and G. Dienel) in Handbook of Neurochemistry & Molecular Neurobiology 3rd Edition (A. Lajtha (ed.)), New York Springer Berlin (2007).
39. S. Trump, S. Laudi, N. Unruh, R. Goelz, D. Leibfritz.
    1-H-NMR Metabolic Profiling of Human Neonatal Urine.
    Magma 19, 305-312 (2006).
40. C. Geppert, W. Dreher, M. Althaus, D. Leibfritz.
    Fast 1H spectroscopic imaging using steady state free precession and spectral-spatial RF pulses.
    Magma 19, 196-201 (2006).
41. A. Ebel, W. Dreher, D. Leibfritz.
    Effects of zero filling and apodization on spectral integrals in discrete Fourier-transform spectroscopy of noisy data.
    J. Magn. Reson. 182, 330-338 (2006).
42. M. Langenbuch, C. Bock, D. Leibfritz, H. O. Pörtner.
    Effects of environmental hypercapnia on animal physiology: A 13C NMR study of protein synthesis rates in the marine invertebrate Sipunculus nudus.
    Comp. Biochem. and Physiol., Part A 144, 479-484 (2006).
43. M. Althaus, W. Dreher, C. Geppert, D. Leibfritz.
    Fast 3D echo-planar SSFP-based 1H spectroscopic imaging: Demonstration on the rat brain in vivo.
    Magn. Reson. Imag. 24, 549-555 (2006).
44. Z. Dong, W. Dreher, D. Leibfritz.
    Toward quantitative short echo time in vivo proton MR spectroscopy without water suppression.
    Magn. Reson. Med. 55, 1441-1446 (2006).
45. T. Shokati, C. Zwingmann, D. Leibfritz.
    Contribution of extracellular glutamine as an anaplerotic substrate to neuronal metabolism: a re-evaluation by multinuclear NMR spectroscopy in primary cultured neurons.
    Neurochem. Reson. 30, 1269-1281 (2005).
46. C. Zwingmann, D. Leibfritz.
    Ammonia-toxicity under hyponatremic conditions in astrocytes: De novo synthesis of amino acids for the osmoregulatory response.
    Neurochem. Int. 47, 39-50 (2005).
47. W. Dreher, D. Leibfritz.
    New method for the simultaneous detection of metabolites and water in localized in vivo 1H nuclear magnetic spectroscopy.
    Magn. Reson. Med. 54, 190-195 (2005).
48. M. G. Bixel, J. Engelmann, W. Willker, B. Hamprecht, D. Leibfritz.
    Metabolism of [U-13C]leucine in cultured astroglial cells.
    Neurochem. Reson. 29, 2057-2067 (2004).
49. U. Christians, S. Gottschalk, J. Miljus, C. Hainz, L. Z. Benet, D. Leibfritz, N. Serkova.
    Alterations in glucose metabolism by cyclosporine in rat brain slices link to oxidative stress: interactions with mTOR inhibitors.
    Br J Pharmacology 143, 388-396 (2004).
50. C. Zwingmann, N. Chatauret, D. Leibfritz, R. F. Butterworth.
    Selective alterations of brain osmolytes in acute liver failure: protective effect of mild hypothermia.
    Brain Res. 999, 118-123 (2004).
51. C. Zwingmann, D. Leibfritz, A. S. Hazell.
    Brain energy metabolism in a sub-acute rat model of manganese neurotoxicity: An ex vivo nuclear magnetic resonance study using [1-13C]glucose.
    Neurotoxicology 25, 573-587 (2004).
52. Z. Dong, W. Dreher, D. Leibfritz.
    An experimental method to eliminate frequency modulation sidebands in localized in vivo 1H MR spectra acquired without water suppression.
    Magn. Reson. Med., 51, 602-606 (2004).
53. C. Zwingmann, D. Leibfritz.
    Regulation of glial metabolism studied by 13C-NMR.
    NMR in Biomed. 16, 370-399 (2003).
54. C. Geppert, W. Dreher, D. Leibfritz.
    PRESS based proton single-voxel spectroscopy and spectroscopic imaging with very short echo times using asymmetric RF pulses.
    MAGMA 16, 144-148 (2003).
55. W. Dreher, C. Geppert, M. Althaus, D. Leibfritz.
    Fast proton spectroscopic imaging using steady-state free precession methods.
    Magn. Reson. Med. 50, 453-460 (2003).
56. Brezova, M. Valko, M. Breza, H. Morris, J. Telser, D. Dvoranova, K. Kaiserova, L. Varecka, M. Mazur, D. Leibfritz.
    Role of radicals and singlet oxygen in photoactivated DNA cleavage by the anticancer drug camptothecin: An electron paramagnetic resonance study.
    J. Phys. Chem. B, 107, 2415-2425 (2003).
57. C. Zwingmann, D. Leibfritz, A.S. Hazell.
    Role of manganese in hepatic encephalopathy.
    Adv. in Hepatic Encephalopathy and Nitrogen Metabolism. EA Jones, RAFM Chamuleau and AJ Meijer, eds., Kluwer, Dordrecht, Nederlands, pp. 251-264 (2003).
58. C. Zwingmann, T. Shokati, R. F. Butterworth, D. Leibfritz.
    Use of NMR spectroscopy for the study of ammonia metabolism in astrocytes and neurons: Role of glutamine synthesis in astrocytes.
    Adv. in Hepatic Encephalopathy and Nitrogen Metabolism. EA Jones, RAFM Chamuleau and AJ Meijer, eds., Kluwer, Dordrecht, Nederlands, pp. 299-311 (2003).
59. C. Zwingmann, N. Chatauret, D. Leibfritz, R.F. Butterworth.
    Brain energy metabolism in acute liver failure: Studies using NMR spectroscopy.
    In: Encephalopathy and Nitrogen Metabolism in Liver Failure. E.A Jones, R.A.F.M Chamuleau, A.J. Meijer (eds.), Kluwer Dordrecht, Netherlands, pp. 225-235 (2003).
60. C. Zwingmann, N. Chatauret, D. Leibfritz, R.F. Butterworth.
    Selective increase of brain lactate synthesis in experimental acute liver failure: Results of a [1H-13C] NMR study.
    Hepatology 37, 420-428 (2003). (“Hepatology Highlights”: Hepatology 37, 492, 2003).
61. N. Chatauret, C. Zwingmann, C. Rose, D. Leibfritz, R. F. Butterworth.
    Protective effects of mild hypothermia on brain glucose metabolism in rats with acute liver failure: A 1H/13C-NMR study.
    Gastroenterology 125, 815-824 (2003) and Editorial comment in Gastroenterology 125, 976-977 (2003).
62. D. Mayer, W. Dreher, D. Leibfritz.
    Fast U-FLARE based correlation-peak imaging with complete effective homonuclear decoupling.
    Magn. Reson. Med. 49, 810-816 (2003).
63. C. Zwingmann, D. Leibfritz, A. S. Hazell.
    Energy metabolism in astrocytes and neurons treated with manganese: relationship between cell-specific energy failure, glucose metabolism and intercellular trafficking using multinuclear NMR-spectroscopic analysis.
    J. Cereb. Blood Flow Metab. 23, 756-771 (2003).
64. O. Beckonert, J. Monnerjahn, U. Bonk, D. Leibfritz.
    Visualizing metabolic changes in breast-cancer tissue using 1H-NMR spectroscopy and self-organizing maps.
    NMR in Biomed. 16, 1-11 (2003).
65. C. Meier, W. Dreher, D. Leibfritz.
    Diffusion in compartmental systems. II: Diffusion-weighted measurements of rat brain tissue in vivo and postmortem at very large b-values.
    Magn. Reson. Med. 50, 510-514 (2003).
66. C. Meier, W. Dreher, D. Leibfritz.
    Diffusion in compartmental systems. I: A comparison of an analytical model with simulations.
    Magn. Reson. Med. 50, 500-509 (2003).
67. J. Engelmann, G. Leyhausen, D. Leibfritz, W. Geurtsen.
    Effect of TEGDMA on the intracellular glutathione concentration of human gingival fibroblasts.
    J. Biomed Mater Res (Appl. Biomater) 63, 746-751 (2002).
68. N. Serkova, P. Donohoe, S. Gottschalk, C. Hainz, C. U. Niemann Ph. E. Bickler, L. Litt, L. Z. Benet. D. Leibfritz, U. Christians.
    Comparison of the effects of cyclosporin A on the metabolism of  perfused rat brain slices during normoxia and hypoxia.
    J. of Cerebral Blood Flow & Metabolism 22, 342-352 (2002).
69. W. Dreher, D. Leibfritz.
    Fast proton spectroscopic imaging with high signal-to-noise ratio: Spectroscopic RARE.
    Magn. Reson. Med. 47, 523-528 (2002).
70. K. Glunde, H. Düßmann, H.-P. Juretschke, D. Leibfritz.
    Na+/H+ exchange subtype 1 inhibition during extracellular acidification and hypoxia in glioma cells.
    J. Neurochem. 80, 36-44 (2002).
71. C. Zwingmann, C. Richter-Landsberg, D. Leibfritz.
    13C isotopomer analysis of glucose and alanine metabolism reveals cytosolic pyruvate compartmentation as part of energy metabolism in astrocytes.
    Glia, 34, 200-212 (2001).
72. W. Dreher, E. Busch, D. Leibfritz.
    Changes in apparent diffusion coefficients of metabolites in rat brain after middle cerebral artery occlusion measured by proton magnetic resonance spectroscopy.
    Magn. Reson. Med., 45, 383-389 (2001).
73. N. Serkova, W. Jacobsen, C. U. Niemann, L. Litt, L. Z. Benet, D. Leibfritz,U. Christians.
    Sirolimus, but not the structurally related RAD (everolimus), enhances the negative effects of cyclosporine on mitochondrial metabolism in the rat brain.
    Br. J. Pharmacol. 133 (6), 875-885 (2001).
74. D. Leibfritz, W. Dreher.
    Magnetization transfer MRS.
    NMR in Biomed., 14, 65-76 (2001).
75. J. Engelmann, G. Leyhausen, D. Leibfritz, W. Geurtsen.
    Metabolic effects of TEGDMA and HMBP in 3T3-fibroblast cultures detected by NMR spectroscopy.
    J. Dent. Reson. 80 (3), 869-875 (2001).
76. W. Willker, D. Leibfritz.
    Lipid oxidation in blood plasma of patients with neurological disorders.
    Brain Res. Bull. 53 (4), 437-444 (2001).
77. C. Zwingmann, C. Richter-Landsberg, A. Brand, D. Leibfritz.
    Alanine as precursor of glutamate and GABA – A multinuclear NMR study.
    In: Adv. in Hepatic Encephalopathy and Metabolism in Liver Disease (Eds.: C. Yurdaydin and H. Bozkaya), 311-318, Ankara University Press (2000).
78. C. Zwingmann, D. Leibfritz.
    Lipid synthesis in glia cells during hyperammonemia studied by NMR spectroscopy.
    In: Adv. in Hepatic Encephalopathy and Metabolism in Liver Disease (Eds.: C. Yurdaydin and H. Bozkaya), 303-309, Ankara University Press (2000).
79. D. Leibfritz, J. Pfeuffer, U. Flögel, Ch. Meier, St. Bröer.
    Cell volume and water exchange in neural cells monitored by diffusion weighted 1H NMR spectroscopy.
    In "Volume Transmission Revisted" (Eds.: Luigi Agnati, Kjell Fuxe, Charles Nicholson, Eva Sykova), Progress in Brain Reson. Vol.125, 255-263 Elsevier 2000.
80. C. Zwingmann, Ch. Richter-Landsberg, A. Brand, D. Leibfritz.
    A NMR spectroscopic study on the metabolic fate of [3-13C]alanine in primary astrocytes, neurons, and cocultures: Implications for glia-neuron interactions in neurotransmitter metabolism.
    Glia 32, 286-303 (2000).
81. C. Zwingmann, U. Flögel, J. Pfeuffer, D. Leibfritz.
    Effects of ammonia exposition on glioma cells: changes in cell volume and organic osmolytes studied by diffusion-weighted and high resolution NMR spectroscopy.
    Dev. Neurosci. 22, 463-471 (2000).
82. D. Mayer, W. Dreher, D. Leibfritz.
    Fast echo planar based correlation-peak imaging: demonstration on the rat brain in vivo.
    Magn. Reson. Med. 44, 23-28 (2000).
83. W. Dreher, D. Leibfritz.
    A new method for fast proton spectroscopic imaging: spectroscopic GRASE.
    Magn. Reson. Med. 44, 668-72 (2000).
84. A. Ebel, W. Dreher, D. Leibfritz.
    A fast variant of 1H spectroscopic U-FLARE imaging using adjusted chemical shift phase encoding.
    J. Magn. Reson. 142, 241-253 (2000).
85. N. Serkova, L. Litt, D. Leibfritz, B. Hausen, R. E. Morris, T. L. James, L. Z. Benet, U. Christians.
    The novel immunosuppressant SDZ-RAD protects rat brain slices from cyclosporine-induced reduction of high-energy phosphates.
    Brit. J. Pharmacol.129, 485-492 (2000).
86. M. Barth, A. Metzler, M. Klarhöfer, S. Röll, E. Moser, D. Leibfritz.
    Functional MRI of the human motor cortex using single-shot, multiple gradient-echo spiral imaging.
    Magn. Reson. Imag. 17, 1239-1243 (1999).
87. M. Hentschel, W. Dreher, P. Wust, S. Röll, D. Leibfritz, R. Felix.
    Fast spectroscopic imaging for non-invasive thermometry using the Pr[MOE-DO3A] complex.
    Phys. Med. Biol. 44, 2397-2408 (1999).
88. A. Brand, D. Leibfritz, Ch. Richter-Landsberg.
    Oxidative stress-induced metabolic alterations in rat brain astrocytes studied by multinuclear NMR spectroscopy.
    J. Neurosc. Reson. 58, 576-585 (1999).
89. J. Henke, J. Engelmann, B. Kutscher, G. Nößner, J. Engel, R. Voegeli, D. Leibfritz.
    Changes of intracellular calcium, fatty acids and phospholipids during Miltefosine-induced apoptosis monitored by fluorescence- and 13C NMR-spectroscopy.
    Anticancer Reson. 19, 4027-4032 (1999).
90. S. A. Roell, W. Dreher, D. Leibfritz.
    Combining cw- and pulsed saturation allows in vivo quantitation of magnetization transfer observed for total creatine by 1H-NMR-spectroscopy of rat brain.
    Magn. Reson. Med. 42, 222-227 (1999).
91. B. Kühn, W. Dreher, D. Leibfritz, M. Heller.
    Homonuclear uncoupled 1H-spectroscopy of the human brain using weighted accumulation schemes.
    Magn. Reson. Imag. 17, 1193- 1201 (1999).
92. N. Serkova, L. Litt, T. L. James, W. Sadee, D. Leibfritz, L. Z. Benet, U. Christians.
    Evaluation of individual and combined neurotoxicity of the immunosuppressants cyclosporine and sirolimus by in-vitro multinuclear NMR spectroscopy.
    J. Pharmacol. Exp. Ther. 289, 800-806 (1999).
93. S. Verleysdonk, H. Martin, W. Willker, D. Leibfritz, B. Hamprecht.
    Rapid uptake and degradation of glycine by astroglial cells in culture; synthesis and release of serine and lactate.
    Glia 27: 239-248 (1999).
94. W. Dreher, D. Leibfritz.
    Improved proton spectroscopic U-FLARE imaging for the detection of coupled resonances in the rat brain in-vivo.
    Magn. Reson. Imag. 17, 611-621 (1999).
95. W. Dreher, D. Leibfritz.
    Detection of homonuclear decoupled in vivo proton NMR spectra using constant time chemical shift encoding: CT-PRESS.
    Magn. Reson. Imag. 17, 141-150 (1999).
96. U. Flögel, D. Leibfritz.
    Alterations in glial metabolism during recovery from chronic osmotic stress.
    Neur. Chem. Reson. 23, 1553-1561 (1998).
97. F. Podo, O. Henriksen, W. M. M. J. Bovée, M. O. Leach., D. Leibfritz, J. D. de Certaines.
    Absolute metabolite quantification by in vivo NMR spectroscopy: I. introduction, objectives and activities of a concerted action in biomedical research.
    Magn. Reson. Imag. 16, 9, 1085-1092 (1998).
98. J. Pfeuffer, S. Bröer, A. Bröer, M. Lechte,U. Flögel, D. Leibfritz.
    Expression of aquaporins in Xenopus laevis oocytes and glial cells as detected by diffusion-weighted 1H NMR spectroscopy and photometric swelling assay.
    BBA 1448, 27-36 (1998).
99. A. Brand, S. Gil, D. Leibfritz, E. Yavin.
    Direct administration and utilization of [1-13C]glucose by fetal brain and liver tissues under normal and ischemic conditions: 1H, 31P, and 13C NMR studies.
    J. Neurosc. Reson. 54, 97-108 (1998).
100. C. Zwingmann, A. Brand, C. Richter-Landsberg, D. Leibfritz.
     Multinuclear NMR studies on NH4Cl-induced metabolic alterations and detoxification processes in primary astrocytes and glioma cells.
     Dev. Neurosci. 20, 417-426 (1998).
101. W. Willker, D. Leibfritz.
     Assignment of mono- and polyunsaturated fatty acids in lipids of tissues and bodyfluids.
     Magn. Reson. Chem. 36, 579-584 (1998).
102. A. Brand, D. Leibfritz, B. Hamprecht, R. Dringen.
     Metabolism of cysteine in astroglial cells: synthesis of hypotaurine and taurine.
     J. Neurochem. 71, 827-832 (1998).
103. J. Pfeuffer, W. Dreher, E. Sykova, D. Leibfritz.
     Water signal attenuation in diffusion-weighted 1H NMR experiments during cerebral ischemia: influence of intracellular restrictions, extracellular tortuosity, and exchange.
     Magn. Reson. Imag. 16 (9), 1023-1032 (1998).
104. W. Dreher, B. Kühn, M. L. Gyngell, E. Busch, T. Niendorf, K.-A. Hossmann, D. Leibfritz.
     Temporal and regional changes during focal ischemia in rat brain studied by proton spectroscopic imaging quantitative diffusion NMR imaging.
     Magn. Reson. Med. 39, 878-888 (1998).
105. A. Brand, C. Richter-Landsberg, U. Flögel, W. Willker, D. Leibfritz.
     Rat brain primary neurons immobilized in basement membrane gel threads: an improved method for on-line 13C NMR spectroscopy of live cells.
     Brain Reson. Protoc. 3, 183-191 (1998).
106. J. Henke, J. Engelmann, U. Flögel, J. Pfeuffer, B. Kutscher, G. Nößner, J. Engel, R. Voegeli, D. Leibfritz.
     Apoptotic effects of hexadecylphosphocholine on resistant and nonresistant cells monitored by NMR spectroscopy.
     Drugs of Today 34 (Suppl. F): 37-50 (1998).
107. R. Dringen, St. Verleysdonk, B. Hamprecht, W. Willker, D. Leibfritz; A. Brand.
     Metabolism of glycine in primary astroglial cells: synthesis of creatine, serine and glutathione.
     J. Neurochem. 70, 835-840 (1998).
108. T. Schäffter, P. Börnert, Ch. Leussler, I. C. Carlsen, D. Leibfritz.
     Fast 1H spectroscopic imaging using a multi-element head coil array.
     Magn. Reson. Med. 40, 185-193 (1998).
109. W. Willker, U. Flögel, D. Leibfritz.
     A 1H/13C inverse 2D method for the analysis of the polyamines putrescine, spermidine and spermine in cell extracts and biofluids.
     NMR in Biomed.11, 47-54 (1998).
110. S. A. Röll, W. Dreher, D. Leibfritz.
     A general solution of the standard magnetization transfer model.
     J. Magn. Reson. 132, 96-101 (1998).
111. S. A. Röll, W. Dreher, E. Busch, D. Leibfritz.
     Magnetization transfer attenuates  metabolite signals in tumorous and contralateral animal brain: In vivo observation by proton NMR spectroscopy.
     Magn. Reson. Med. 39, 742-748 (1998).
112. J. Pfeuffer, U. Flögel, D. Leibfritz.
     Monitoring of cell volume and water exchange time in perfused cells by diffusion weighted 1H-NMR spectroscopy.
     NMR in Biomed. 11, 11-18 (1998).
113. J. Pfeuffer, U. Flögel, W. Dreher, D. Leibfritz.
     Restricted diffusion and exchange of intracellular water: theoretical modelling and diffusion time dependence of 1H-NMR measurements on perfused glial cells.
     NMR in Biomed. 11, 19-31 (1998).
114. G. Kohn, U. Baulain, M. Henning, R. Lahucky, D. Leibfritz, E. Kallweit.
     In vivo and post mortem Untersuchungen des Muskelstoffwechsels von Schweinen mit unterschiedlichem MHS-Genotyp mit Hilfe der 31P-NMR-Spektroskopie.
     Arch. Tierz., Dummerstorf 41, 299-310 (1998).
115. J. Jankowski, H. Luftmann, M. Tepel, D. Leibfritz. W. Zidek, H. Schlüter.
     Characterization of dimethylguanosine, phenylethylamine, and phenylacetic acid as inhibitors of Ca2+ ATPase in end-stage renal failure.
     J. Am. Soc. Nephrol. 9, 1249-1257 (1998).
116. V. Lombardi, L. Valko, A. Scozzafava, M. Melnik, J. Svitel, M. Budesinský, J. Pelnár, J. Steno, T. Liptaj, L. Zalibera, J. Budinská, J. Zlatos, A. Giuliani, L. Mascolo, D. Leibfritz.
     1H NMR ganglioside ceramide resonance region on the differential diagnosis of low and high malignancy of brain gliomas..
     Cell. Mol. Neurobiol. 17, 521-535 (1997).
117. N. Serkova, U. Christians, U. Flögel, J. Pfeuffer, D. Leibfritz.
     Assessment of the mechanism of astrocyte swelling induced by the macrolide  immunosuppressant sirolimus using multinuclear nuclear magnetic resonance spectroscopy.
     Chem. Reson. Toxicol. 10, 1359-1363 (1997).
118. U. Flögel, W. Willker, J. Pfeuffer, D. Leibfritz.
     Regulation of glial lipid metabolism during osmotic stress studied by 13C-NMR spectroscopy.
     Neurochem. 95, 571-575, (Teelken and Korf, ed.), Plenum Press, New York (1997).
119. W. Willker, U. Flögel, D. Leibfritz.
     Ultra-high-resolved HSQC spectra of multiple-13C-labeled biofluids.
     J. Magn. Reson. 125, 216-219 (1997).
120. A. Brand, Ch. Richter-Landsberg, D. Leibfritz.
     Metabolism of acetate in rat brain neurons, astrocytes and cocultures between neurons and glial cells monitored by NMR spectroscopy.
     Cell. and Mol. Biol. 43, 645-657 (1997).
121. J. Benters, U. Flögel, T. Schäfer, D. Leibfritz, S. Hechtenberg, D. Beyersmann.
     Study of the interactions of cadmium and zinc ions with cellular calcium homeostasis  using 19F-NMR spectroscopy.
     Biochem. J. 322, 793-793 (1997).
122. T. Derr, Th. Els, M. Gyngell, D. Leibfritz.
     Characterization of tumorous tissue in rat brain by in vitro magnetic resonance spectroscopy and artificial neural networks.
     In: Lecture Notes in Artificial Intelligence 1211, Artificial Intelligence in Medicine (E. Keravnou, C. Garbay, R. Baud, J. Wyatt, Eds.) 457-460, Springer Verlag Berlin, ISBN 3-540-62709-X (1997).
123. U. Flögel,, W. Willker, D. Leibfritz.
     Determination of de novo synthesized amino acids in cellular proteins revisited by 13C  NMR spectrosopy.
     NMR in Biomed. 10, 50-58 (1997).
124. A. Brand, D. Leibfritz, H. Wollburg, Ch. Richter-Landsberg.
     Interactions of Triethyltin-Chloride (TET) with the energy metabolism of cultured rat brain astrocytes: studies by multinuclear magnetic resonance spectroscopy.
     Neurochem. Reson. 22, 123-131 (1997).
125. R. M Dijkhuizen, M. van Lookeren Campagne, T. Niendorf, W. Dreher, A. van der Toorn, M. Hoehn-Berlage, H. B. Verheul, C. A. F. Tulleken, D. Leibfritz, K.-A. Hossmann and K. Nicolay.
     Status of the neonatal rat brain after NMDA-induced excitotoxic injury as measured by MRI, MRS and metabolic imaging.
     NMR in Biomed. 9, 84-92 (1996).
126. J. Stelten, D. Leibfritz.
     Clean HX and H2X proton selection using gradients: gs-Hn-X-HYSEL.
     Magn. Reson. Chem. 34, 951-954 (1996).
127. D. Leibfritz.
     An introduction to the potential of 1H-, 31P- and 13C-NMR-spectroscopy.
     Anticancer Reson. 16, 1317-1324 (1996).
128. W. Willker, U. Flögel, D. Leibfritz.
     2D H,C-NMR methods for the analysis of multiple 13C-labelled glucose metabolites in brain cell cultures.
     J. Magn. Reson. Anal. 2, 88-94 (1996).
129. N. Serkowa, A. Brand, U. Christians, D. Leibfritz.
     Evaluation on the effects of the immunosuppressants cyclosporine and tacrolimus on  neuronal and glial cells in vitro by multinuclear NMR spectroscopy.
     BBA 1314, 93-104 (1996).
130. J. Henke, W. Willker, J. Engelmann, D. Leibfritz.
     Combined extraction techniques of tumour cells and lipid/phospholipid assignment by  two dimensional NMR spectroscopy.
     Anticancer Reson. 16, 1417-1428 (1996).
131. J. Engelmann, J. Henke, W. Willker, B. Kutscher, G. Nößner, D. Leibfritz.
     Early stage monitoring of miltefosine induced apoptosis in KB cells by multinuclear NMR spectroscopy.
     Anticancer Reson. 16, 1429-1440 (1996).
132. P. M. Alves, U. Flögel, A. Brand, D. Leibfritz, M. J. T. Carrondo, U. Sonnewald, H. Santos.
     Immobilization of primary astrocytes and neurons for NMR monitoring of biochemical processes in vivo.
     Dev. Neurosci. 18, 460-465 (1996).
133. U. Flögel, W. Willker, J. Engelmann, T. Niendorf, D. Leibfritz.
     Adaptation of glial metabolism to anisotonic conditions, as assessed by 13C-NMR  spectroscopy.
     Dev. Neurosci. 18, 449-459 (1996).
134. B. Kühn, W. Dreher, D. Norris, D. Leibfritz.
     Fast proton spectroscopic imaging using k-space weighting by variable repetition times.
     Magn. Reson. Med. 35, 457-464 (1996).
135. W. Willker, J. Engelmann, A. Brand, D. Leibfritz.
     Metabolite identification in cell extracts and culture media by proton-detected 2D-H,C-NMR-spectroscopy.
     J. Magn. Reson. Anal. 2, 21-32 (1996).
136. D. Leibfritz, R. Altenburger.
     Cell suspensions.
     Enzyclopedia of Nuclear Magnetic Resonance Spectroscopy.Vol. 2, 1197-1209, Wiley, Chichester, England (1996).
137. J. Stelten, D. Leibfritz.
     Highly selective 1D-C,H-correlations.
     Magn. Reson. Chem. 33, 827-830 (1995).
138. R. Altenburger, R. Callies, L. H. Grimme, D. Leibfritz, A. Mayer.
     The mode of action of glufosinate in algae: uptake and nitrogen assimilation pathways as modifying factors?
     Pestic. Sci. 45, 305-310 (1995).
139. W. Dreher, D. Leibfritz.
     On the use of 2D-J NMR measurements for in vivo proton MRS. Measurement of homonuclear decoupled spectra without the need for short echo times.
     Magn. Reson. Med. 34, 331-337 (1995).
140. W. Willker, D. Leibfritz.
     The determination of heteronuclear long-range H,X-coupling constants from gradient-selected HMBC-spectra.
     Magn. Reson. Chem. 33, 632-638 (1995).
141. W. Willker, J. Engelmann, A. Brand, D. Leibfritz.
     Identification of pyro-glutamate and glucosyl-aminoacids in cell culture media.
     J. Magn. Reson. Anal. 1, 20-24 (1995).
142. U. Flögel, T. Niendorf, N. Serkova, A. Brand, D. Leibfritz.
     Changes in organic solutes, volume, energy state and metabolism associated with  osmotic stress in a glial cell line: A multinuclear NMR study.
     Neurochem. Reson. 20, 793-802 (1995).
143. T. Reese, D. G. Norris, D. Leibfritz.
     A fast method for in vivo lactate imaging.
     NMR in Biomed. 8, 225-231 (1995).
144. W. Dreher, D. Leibfritz.
     Parametric multiecho proton spectroscopic imaging.Application to the Rat Brain in-vivo.
     Magn. Reson. Imag. 13, 753-761 (1995).
145. M. Hoehn-Berlage, D. G. Norris, K. Kohno, G. Mies, D. Leibfritz, K. A. Hossmann.
     Evolution of regional changes in apparent diffusion coefficient during focal ischemia of rat brain: The relationship of quantitative diffusion NMR imaging to reduction in cerebral blood flow and metabolic disturbances.
     J. Cereb. Blood Flow Metab. 15, 1002-1011 (1995).
146. F. Podo, W. M. M. J. Bovée, J. de Certaines, D. Leibfritz, J. S. Orr.
     Quality assessment in in vivo NMR spectroscopy: I. Introduction, objectives, and activities.
     Magn. Reson. Imag. 13, 117-121 (1994).
147. W. Willker, D. Leibfritz.
     Gradientenselektion von Kohärenzen in Heteronuklearen Experimenten.
     GIT Fachz. Lab. 38, 357-360 (1994).
148. D. Leibfritz, A. Brand, C. Richter-Landsberg, U. Flögel, T. Niendorf.
     On line monitoring of cell volume and osmolyte concentrations in glial and neuronal cells after osmotic stress by NMR spectroscopy.
     MAGMA 2, 58 (1994).
149. A. Brand, C. Richter-Landsberg, D. Leibfritz.
     Specific differences in metabolism of glial and neuronal cells demonstrated by H-1, C-13 and P-31 NMR spectroscopy.
     J. Brain Reson. 35, 132-133 (1994).
150. D. G. Norris, E. J. Schneider, J. J. Grome, D. Leibfritz.
     Volume and contrast development in the rose bengal model of cerebral infarction.
     Magma 2, 531-538 (1994).
151. W. Willker, D. Leibfritz.
     Gradient selection of coherences in experiments with carbon detection.
     Magn. Reson. Chem. 32, 665-669 (1994).
152. T. Niendorf, D. G. Norris, D. Leibfritz.
     Detection of apparent restricted diffusion in healthy rat brain at short diffusion times.
     Magn. Reson. Med. 32, 672-677 (1994).
153. D. G. Norris, T. Niendorf, D. Leibfritz.
     Healthy and infarcted brain tissues studied at short diffusion times: the origins of apparent restriction and the reduction in apparent diffusion coefficient.
     NMR Biomed. 7, 304-310 (1994).
154. D. Leibfritz.
     Biochemical aspects in MRS.
     Eurospin Ann, 1994, 51-66.
155. H. M. Sonawat, S. Yamamoto, D. Leibfritz.
     P-31 NMR studies on perfused liver from mouse with chronic ethanol ingestion.
     Zeitschr. f. Naturforschg. 49c, 147-153 (1994).
156. D. G. Norris, T. Niendorf, M. Hoehn-Berlage, K. Kohno, E. J. Schneider, P. Hainz, M. Hropot, D. Leibfritz.
     The incidence of apparent restricted diffusion investigated in three different infarct models.
     Magn. Reson. Imag. 12, 1175-1182 (1994).
157. W. Willker, D. Leibfritz.
     A selective JHH-TOCSY version for measuring 3JHH coupling constants.
     J. Magn. Reson. Ser. A, 110, 95-97 (1994).
158. W. Dreher, D. Leibfritz.
     Double-echo multi-slice proton spectroscopic imaging using Hadamard slice encoding.
     Magn. Reson. Med. 31, 596-600 (1994).
159. U. Flögel, W. Willker, D. Leibfritz.
     Regulation of intracellular pH in neuronal and glial cells, studied by multinuclear NMR spectroscopy.
     NMR in Biomed., 7, 157-166 (1994).
160. W. Dreher, D.G. Norris, D. Leibfritz.
     Magnetization transfer affects the proton creatine/phosphocreatine signal intensity. In vitro demonstration in the rat brain.
     Magn. Reson. Med. 31, 81-84 (1994).
161. W. Willker, J. Stelten, D. Leibfritz.
     A highly selective proton-detected 1D-H,X-correlation.
     J. Magn. Reson. 107A, 94-98 (1994).
162. A. Brand, C. Richter-Landsberg, D. Leibfritz.
     Multinuclear NMR studies on the energy metabolism of glial and neuronal cells.
     Developmental Neuroscience 15, 289-298 (1993).
163. S. Arbazua, R. Altenburger, R. Callies, L.H. Grimme, A. Mayer, D. Leibfritz, U. Schiewer.
     Ammonium rythm in cultures of the cyanobacterium Mycrocystis firma.
     Physiol. Plant. 89, 659-663 (1993).
164. D.G. Norris, M. Hoehn-Berlage, F. Wittlich, D. Leibfritz.
     Dynamic imaging with T2* contrast using U-FLARE.
     Magn. Reson. Imag. 11, 921-924 (1993).
165. F. Koschoreck, W. Offermann, J. Stelten, W. Braunsdorf, U. Steller, H. Gremmel, D. Leibfritz.
     High resolution 1H NMR spectroscopy of cerebrospinal fluid in spinal diseases.
     Neurosurg. Rev. 16, 307-315 (1993).
166. U. Flögel, D. Leibfritz.
     Response of 3T3 cells on stimulation of adenylate cyclase by forskolin studied by multinuclear NMR spectroscopy.
     Biol. Chemistry Hoppe Seyler 374, 211-216 (1993).
167. F. Podo, J.S. Orr, W.M.M.J. Bovée, J.D. de Certaines, D. Leibfritz.
     Tissue characterization by magnetic resonance spectroscopy and imaging: results of a concerted research project of the European Economic Community.
     Magn. Reson. Imag. 11 (6), 809-815 (1993).
168. W. Willker, D. Leibfritz, R. Kerssebaum, W. Bermel.
     Gradient Selection in Inverse Heteronuclear Correlation Spectroscopy.
     Magn. Reson. Chem. 31, 287-292 (1993).
169. S. Hentrich, M. Hebeler, L.H. Grimme, D. Leibfritz, A. Mayer.
     P-31 NMR saturation transfer experiments in Chlamydomonas reinhardtii: Evidence for the NMR visibility of chloroplastidic Pi.
     Eur. Biophys. J. 22, 31-39 (1993).
170. H. Koch, I. Okyayuz-Baklouti, D. Norris, H. Kogler, D. Leibfritz.
     Correlation of function and energy metabolism in rat ischaemic skeletal muscle by P-31  NMR spectroscopy. Effects of torbafylline.
     Journ. of Medicine 24, 47-66 (1993).
171. W. Willker, D. Leibfritz.
     Gradient selected E.COSY.
     J. Magn. Reson., 102A, 348-350 (1993).
172. U. Wollborn, W. Willker, D. Leibfritz.
     Heteronuclear long-range coupling constants from inverse 2D NMR spectra dispersed  by the heteronuclear chemical shift.
     J. Magn. Reson. 103 A, 86-89 (1993).
173. H. Assadnazari, G. Zimmer, H.J. Freisleben, W. Werk, D. Leibfritz.
     Cardioprotective efficiency of dihydrolipoic acid in working rat hearts during hypoxia  and reoxygenation: P-31 investigations.
     Arzneimittelforschg./Drug Reson. 43, 425-432 (1993).
174. W. Willker, U. Wollborn, D. Leibfritz.
     Exact measurement of 3JCH-coupling constants using proton detected editing- and selection-sequences.
     J. Magn. Reson. B 101, 83-86 (1993).
175. A. Brand, Ch. Richter-Landsberg, D. Leibfritz.
     C-13 and H-1 NMR studies of brain tumor cells. in  NMR in nephro-urology.
     (S. Pomer, W.E. Hull Eds.), Springer Berlin, 25-33 (1993).
176. U. Wollborn, R.M. Brunne, D. Leibfritz, J. Harting, G. Hölzemann.
     Comparative conformational analysis and in vitro pharmacological evaluation of three  cyclic hexapeptide NK-2 antagonists.
     Int. Journ. Pept. Prot. 41, 376-384 (1993).
177. P. Börnert, D.G. Norris, H. Koch, W. Dreher, H. Reichelt, D. Leibfritz.
     Fast perfluorocarbon imaging using 19F-U-FLARE.
     Magn. Reson. Med. 29, 226-234 (1993).
178. M. Hebeler, S. Hentrich, A. Mayer, D. Leibfritz, L.H. Grimme.
     Phosphate regulation and compartmentation in Chlamydomonas reinhardtii studied by in vivo P-31-NMR.
     Ed. N. Marata, Proc. IX. Int. Congress on Photosynthesis, Kluwer Academic Publ., Dordrecht, Netherland Research in Photosynthesis Vol. 3, 717-720 (1992).
179. D. Stryjewski, D. Leibfritz.
     Modern methods of NMR-spectroscopy of biological samples.
     Physica Medica 8 (Suppl. 1), 15-22 (1992).
180. A. Brand, J. Engelmann, D. Leibfritz
     A C-13 NMR study on fluxes into the TCA cycle of neuronal and glial tumor cell lines  and primary cells.
     Biochimie 74, 941-948 (1992).
181. A. Brand, C. Richter-Landsberg, D. Leibfritz.
     Multinuclear NMR studies on the metabolism of neuronal and glial tumor cell lines and primary cells.
     Physica Medica 8 (Suppl. 1), 23-30 (1992).
182. L. Walter, R. Altenburger, R. Callies, L.H. Grimme, D. Leibfritz, A. Mayer.
     In-vivo NMR spectroscopy: in-situ 15N pulse labelling NMR spectroscopy with  photoautotrophic microorganisms.
     Isotopenpraxis 28, 73-80 (1992).
183. R. Callies, R. Altenburger, S. Abarzua, A. Mayer, L.H. Grimme, D. Leibfritz.
     In-situ NMR of N-15 pulse labels monitor different routes for nitrogen assimilation.
     Plant Physiol. 100, 1584-1586 (1992).
184. W. Willker, D. Leibfritz.
     Complete assignment and conformational studies of tomatine and tomatidine.
     Magn. Reson. Chem., 30, 645-650 (1992).
185. R. Brunne, D. Leibfritz.
     Sampling of conformational regions of Boc-Ala-Aib-Ala-OMe with molecular dynamics  simulations using time averaging of distance restraints.
     Int. Journ. Pept. Prot. 40, 401-406 (1992).
186. W. Willker, D. Leibfritz.
     Accurate measurement of homonuclear coupling constants using JHH-TOCSY.
     J. Magn. Reson. 99, 421-425 (1992).
187. W. Huesemann, R. Callies, D. Leibfritz.
     External pH-variations modify the intracellular pH and the mode of photosynthetic CO2 assimilation in photoautotrophic cell suspension cultures of Chenopodium rubrum.
     Bot. Acta 105, 116-120 (1992).
188. W. Dreher, P. Börnert, D. Leibfritz.
     Signal dependent preprocessing of NMR data using the constrained least square method.
     J. Magn. Reson. 97, 376-381 (1992).
189. W. Offermann, E. Fiedler, C. Helmle, W. Hofer, H. Kugel, T. Reese, W. Werk, D. Leibfritz.
     On-line monitoring of the Krebs cycle in isolated heart mitochondria by 13C NMR spectroscopy.
     Magn. Reson. Chem., 30, 347-358 (1992).
190. D. Norris, P. Börnert, T. Reese, D. Leibfritz.
     On the application of ultra-fast RARE experiments.
     Magn. Reson. Med. 27, 142-164 (1992).
191. J. Stelten, D. Leibfritz.
     H-1-detected HnX-selection via multiple quantum coherence of natural abundance.
     J. Magn. Reson. 99, 170-177 (1992).
192. U. Wollborn, D. Leibfritz.
     Measurements of heteronuclear long-range coupling constants from inverse homonuclear 2D-NMR-spectra.
     J. Magn. Reson. 98, 142-146 (1992).
193. D. Leibfritz.
     Water suppression in magnetic resonance spectroscopy in biology and medicine.
     Functional and Pathological Tissue Characterization. (J.D. de Certaines, W.M.M.J. Bovée, F. Podo, Eds.), Pergamon Press, London, 149-165 (1992).
194. M. Hoehn-Berlage, D. Norris, K. Bockhorst, R.-I. Ernestus, O. Kloiber, P. Bonnekoh, D. Leibfritz, K.A. Hossmann.
     T1 snapshot FLASH measurement of rat brain glioma: Kinetics of the tumor-specific contrast agent manganese (III) tetra-phenylporphine sulfonate.
     Magn. Reson. Med. 27, 201-213 (1992).
195. D. Leibfritz, W. Offermann, J. Stelten, F. Koschorek, A.W.H. Jans, W. Kuhn, S. Soboll.
     In-vitro- und in-vivo-NMR-Spektroskopie.
     Nova Acta Leopoldina NF 60, Nr. 266, 57-69 (1992).
196. U. Wollborn, D. Leibfritz.
     Untersuchung des stereochemischen Einflusses der Substitution in 3-Stellung an Cholsäurederivaten mit Hilfe von 1D- und 2D-NMR-Methoden.
     Liebigs Ann. Chemie 1991, 1237-1239 (1991).
197. U. Wollborn, D. Leibfritz, T. Domke.
     Editing and suppression of geminal proton-proton-correlations in TOCSY spectra.
     J. Magn. Reson. 94, 653-658 (1991).
198. D. Leibfritz.
     Medizinische Anwendungen der NMR-Spektroskopie.
     Biomed. Techn. 35, 50-60 (1991).
199. R. Altenburger, S. Abarzua, R. Callies, L. H. Grimme, A. Mayer, D. Leibfritz.
     Amonia rhythm in microcystis firma studied by in vivo N-15 and P-31 NMR spectroscopy.
     Arch. Microbiol. 156, 471-476 (1991).
200. P. Schmieder, T. Domke, D. G. Norris, M. Kurz, H. Kessler, D. Leibfritz.
     Editing of multiplicity in two- and threedimensional heteronuclear NMR-spectroscopy by Fourier transform of the pulse angle dependency.
     J. Magn. Reson. 93, 430-435 (1991).
201. U. Wollborn, D. Leibfritz.
     Inverse editing of protons in two-dimensional homonuclear and heteronuclear relayed COSY spectra.
     Magn. Reson. Chem. 29, 238-243 (1991).
202. D. G. Norris, H. Lüdemann, D. Leibfritz.
     An analysis of the effects of short T2's on the hyperbolic-secant pulse.
     J. Magn. Reson. 92, 94-101 (1991).
203. R. Altenburger, R. Callies, S. Abarzua, L.H. Grimme, A. Mayer, D. Leibfritz.
     In-vivo-15N-NMR: A tool for studying of ammonia assimilation.
     Pure and Appl. Chem. 2, 325 (1990).
204. M. Knaack, D. Leibfritz.
     Solid-phase synthesis and first comparative conformational analysis of the renin inhibitor H-142 and its decapeptide analogue by NMR spectroscopy.
     Peptides 1990, 521-523.
205. U. Böttcher, D. G. Norris, D. Leibfritz.
     Sequential inversion recovery snapshot-FLASH.
     Magn. Reson. Imag. 8, 16 (1990).
206. D. Stryjewski, D. Leibfritz.
     Improved metabolite editing by the 1D-soft COSY technique with 270° Gaussian  shaped pulses.
     Magn. Reson. Med. 15, 340-345 (1990).
207. R. Callies, R. Altenburger, A. Mayer, L.H. Grimme, D. Leibfritz.
     A new illumination system for in vivo NMR spectroscopy.
     J. Magn. Reson. 90, 561-566 (1990).
208. U. Wollborn, T. Domke, D. Leibfritz.
     Inverse proton editing in 1D- and 2D-spectra by a combination of the SHIPPED and COSY techniques.
     J. Magn. Reson. 90, 575-579 (1990).
209. D. G. Norris, U. Böttcher, D. Leibfritz.
     A simple method of generating variable T1 contrast images using temporally reordered phase-encoding.
     Magn. Reson. Med. 15, 483-490 (1990).
210. T. Domke, D. Leibfritz.
     Reverse editing of protons according to multiplicity (REPAY).
     J. Magn. Reson. 88, 401-405 (1990).
211. H. Kugel, A. Mayer, G.O. Kirst, D. Leibfritz.
     The energy requirements of pH homeostasis define the limits of pH regulation - a model.
     Biochimica et Biophysica Acta 1054, 33-40 (1990).
212. A.C. Kuesel, J. Sianoudis, D. Leibfritz, L.H. Grimme, A. Mayer.
     The dependence of cytoplasmic pH in respiring and fermenting cells of the green algae chlorella fusca and chlorella vulgaris on the pH of the medium as determined by P-31 in-vivo NMR spectroscopy.
     Arch. Microbiol. 153, 254-258 (1990).
213. H. Sonawat, D. Leibfritz, J. Engel, P. Hilgard.
     Biotransformation of mafosfamide in P 388 mice leukemia cells: Intracellular P-31 studies.
     BBA 1052, 36-41 (1990).
214. T. Domke, D. Leibfritz.
     Shipped-selective heteronuclear inverse polarization tansfer proton editing.
     J. Magn. Reson. 86, 180-187 (1990).
215. A. Haase, D. Norris, D. Leibfritz, D. Matthaei.
     Schnelle Protonen-MR-Bildgebung (SNAPSHOT-FLASH-MRI).
     in: MR'90 3. Int. Kernspintomographie Symposium, Garmisch-Partenkirchen 1989 (J. Lissner, J.L. Doppmann, A.R. Magulis Eds.) Deutscher Ärzte Verlag Köln, S. 256-258 (1990).
216. D. Stryjewski, H. Oschkinat, D. Leibfritz.
     Detection of metabolites in body fluids and biological tissue by a 1-D soft COSY  technique.
     Magn. Reson. Med. 13, 158-161 (1990).
217. D. Stryjewski, H. Oschkinat, D. Leibfritz.
     A specific metabolite editing technique in H-1 NMR spectra by a soft COSY technique  in body fluids and tissue.
     In: J.D. Certaines, Magnetic Resonance Spectroscopy of Biofluids, p.75, World Scientific Publ., London (1989).
218. D. Leibfritz, J. Stelten, W. Offermann, O. Sezer, H. Rasche.
     H-1 NMR spectroscopy of blood plasma: An efficient method for detection of cancer?
     In: J.D. Certaines, Magnetic Resonance Spectroscopy of Biofluids, p. 155, World Scientific Publ., London (1989).
219. D. Leibfritz, F. Koschorek, J. Stelten, W. Offermann.
     CSF: Detection of tumors and disk herniations with MRS.
     In: J.D. Certaines, Magnetic Resonance Spectroscopy of Biofluids, p. 167, World Scientific Publ., London (1989).
220. A. Haase, D. Matthaei, R. Bartkowski, E. Dühmke, D. Leibfritz.
     Inversion recovery snapshot FLASH MRI. Fast dynamic T1 contrast.
     J. Comp. Ass. Tomogr. 13, 1036-1040 (1989).
221. J.H. Langkowski, J. Wieland, H. Bomsdorf, D. Leibfritz, W. Offermann, R. Maas.
     Pre-operative localized in-vivo proton spectroscopy in cerebral tumors at 4.0 Tesla.  First results.
     Magn. Reson. Imag. 7, 547-555 (1989).
222. W. Offermann, D. Leibfritz.
     NMR spectroscopy of body fluids in medical diagnosis.
     In: E. Kallweit, M. Henning,  E. Groeneveld (Eds.) Application of NMR Techniques on the Body Composition of  Live Animals , S. 53-58; Elsevier Applied Science, London (1989).
223. D. Leibfritz, R. Brunne, T. Weihrauch, J. Stelten, E. T. K. Haupt, W. D. Stohrer.
     NMR-spectroscopic assignment of the Aib-methyl groups in a-helix and ß-turn environment with the use selectively deuterated Aib. The solution conformations of Boc-Ala-Aib-Ala-OMe.
     Liebigs Ann. Chem. 1989, 1017-1027.
224. F. Koschorek, H. Gremmel, J. Stelten, T. Reese, W. Offermann, E. Krüger, D. Leibfritz.
     Characterization of CNS lesions by using high-resolution 1H MR spectroscopy of CSF: Preliminary results.
     Am. J. Neurorad. 10, 523-527 (1989).
225. A. C. Kuesel, J. Sianoudis, D. Leibfritz, L. H. Grimme, A. Mayer.
     P-31 in-vivo-NMR investigations on the function of polyphosphates of the green alga  chlorella fusca.
     Archiv Microbiol. 152, 167-171 (1989).
226. A. C. Kuesel, W. Kuhn, J. Sianoudis, L. H. Grimme, A. Mayer, D. Leibfritz.
     N-15 in-vivo-NMR spectroscopic investigations of nitrogendeprived all suspensions of the green alga chlorella fusca.
     Archiv Microbiol. 151, 434-438 (1989).
227. R. M. Brunne, D. Leibfritz, E. T. K. Haupt.
     Chiral -a-aminoisobutyric acid as a probe for the secundary structure of peptides.
     Peptides 1988 - Proceedings of the 20th Eur.Pept.Symp. Walter de Gruyter, Berlin,  459-461 (1989).
228. A. W. H. Jans, D. Leibfritz.
     A 13C NMR study on fluxes into the Krebs cycle of rabbit renal proximal tubular cells.
     NMR in Biomedicine 1, 171-176 (1989).
229. D. Leibfritz.
     Nichtinvasive Untersuchungen des Zellmetabolismus mit der magnetischen Kernresonanz (NMR).
     Schriftenreihe d. Wittheit zu Bremen, Bd. 11, 64-68, Verlag J. H. Döll, Bremen (1988).
230. O. Sezer, H. Rasche, J. Stelten, D. Leibfritz.
     Magnetische Kernspinresonanz von Plasma.
     Deut. Med. Wochenschr. 113, 705 (1988).
231. C. Kasperk, R. Ewers, D. Leibfritz.
     Verlaufskontrollen der Knochenheilung mittels MR-Tomographie und MR-Spektroskopie.
     Acta Medica Austriaca 15, Suppl. 38, 24 (1988).
232. H. Gimmler, H. Kugel, D. Leibfritz, A. Mayer.
     Cytoplasmic pH of dunaliella parva and dunaliella acidophila as monitored by in vivo P-31 NMR spectroscopy and the DMO method.
     Physiologia Plantarum 74, 521 (1988).
233. A. Haase, D. Leibfritz, W. Werk.
     P-31 FLASH NMR Imaging.
     Magn. Reson. Med. 7, 358-363 (1988).
234. E. T. K. Haupt, D. Leibfritz.
     C-13 and N-15 chemical shifts of alkylsubstituted benzonitrils.
     Spectrochimica Acta 45A, 119-121 (1988).
235. D. Leibfritz.
     Grundlagen der Kernspinresonanzspektroskopie.
     Schriftenreihe d. Wittheit zu Bremen, Bd. 11, 105-109, Verlag J. H. Döll, Bremen (1988).
236. D.G. Norris, N. Schuff, D. Leibfritz.
     INEPT enhanced C-13 NMR spectroscopy using double tuned surface coils.
     J. Magn. Reson. 78, 362-366 (1988).
237. O. Sezer, J. Stelten, H. Rasche, D. Leibfritz.
     The Fossel Test (NMR spectroscopy of plasma): An efficient method for detecting cancer?
      In: Diagnostische und therapeutische Entwicklungen in der Hämatologie und Onkologie (K. Wilms, H. Rückle, P. Meyer, Edit.) S. 377-383, W. Zuckschwerdt Verlag, München (1988).
238. F. Koschorek, H. Gremmel, J. Stelten, W. Offermann, D. Leibfritz.
     High resolution H-1-NMR-spectroscopy for human CSF: Preliminary results and considerations.
     Radiology 167, 813-816 (1988).
239. A. W. H. Jans, D. Leibfritz.
     A C-13 NMR study on the influxes into TCA cycle of renal epithelial cell line: LLC-PK1/Cl4. The metabolism of (2-C-13)-glycine, (2-C-13)- and (3-C-13)-L-alanine and (3-C-13)-L-aspartic acid.
     Biochimica Biophysica Acta 970, 241-250 (1988).
240. F. Koschorek, H. Gremmel, J. Stelten, W. Offermann, D. Leibfritz.
     An aid in further characterizing CNS lesions: High resolution H-1 NMRT spectroscopy for human cerebrospinal fluid. First results.
     Computer Aided Radiology, 221-225 (1987).
241. H. Kugel, A. Mayer, G.O. Kirst, D. Leibfritz.
     In-vivo P-31 NMR measurements of phosphate metabolism in platymonas subcordiformis as related to external pH.
     Eur. J. Biochem. 14, 461 (1987).
242. U. Pilatus, A. Mayer, W. Offermann, D. Leibfritz.
     Sodium binding to and protonation of ATP. A multinuclear magnetic double resonance study at 8.46 Tesla.
     Biochimica Biophysica Acta 926, 106-113 (1987).
243. C. Kasperk, D. Leibfritz, R. Ewers.
     Verlaufskontrolle der Knochenheilung mittels MR-Spektroskopie.
     Fortschr. der Kiefer-Gesichts-Chir. 31, 108-109 (1987).
244. W. Offermann, W. Kuhn, S. Soboll, T. Ishikawa, D. Leibfritz.
     The in-vivo contour plot. An improved representation of stimulus experiments.
     Magn. Reson. Med. 4, 507-516 (1987).
245. J. Sianoudis, A. C. Küsel, A. Mayer, L. H. Grimme, D. Leibfritz.
     The cytoplasmic pH in photosynthesizing cells of the green alga chlorella fusca, measured by P-31-NMR spectroscopy.
     Arch. Microbiol. 147, 25 (1987).
246. D. Leibfritz.
     P-31-NMR-Spektroskopie an Zellen, Organen und Organismen.
     in: Kernresonanzspektroskopie - Stand und Perspektiven der in-vivo-NMR-Spektroskopie in der medizinischen Diagnostik. (H. Rüterjans, Ed.) p. 135-192 Schriftenreihe zum Programm der Bundesregierung Forschung und Entwicklung im Dienste der Gesundheit, Bonn (1987).
247. J. Sianoudis, A. C. Küsel, D. Leibfritz, L. H. Grimme, A. Mayer.
     The cytoplasmic pH of the green alga chlorella fusca, measured by P-31 NMR spectroscopy.
     In: G. Marst, J. Kiepenheuer, N. Boccara (Eds.): Biophysical effects of steady magnetic fields, S. 221-225, Springer-Verlag Berlin (1986).
248. W. Kuhn, W. Offermann, D. Leibfritz.
     Influence of stray radiation upon T1 in 'in-vivo'-saturation transfer.
     J. Magn. Reson., 68, 193-197 (1986).
249. J. Sianoudis, A. C. Küsel, A. Mayer, L. H. Grimme, D. Leibfritz.
     Distribution of polyphosphates in cell-compartments of chlorella fusca as measured by P-31-NMR-spektroscopy.
     Arch. Microbiology, 144, 48 (1986).
250. W. Offermann, W. Kuhn, J. Stelten, D. Leibfritz.
     Automated structure elucidation. 1. stereostructure of a synthetic cannabinoid.
     Tetrahedron, 42, 2215-2220 (1986).
251. G. Jung, K. H. Wiesmüller, J. Metzger, A. Lex, W. Bessler, D. Leibfritz, W. Praß, H. Ringsdorf.
     The N-terminus of e. coli lipoprotein: Synthesis, immunogenicity, spectroscopy and monolayer forming properties of a potent mitogen.
     In: Forum Peptides, B. Castro, J. Martinez (Eds.), Centre de Pharmacology/Endocrinology; Les Impression Dohr, Montpellier, p. 213 (1986).
252. G. Jung, K. H. Wiesmüller, W. Scheurer, W. G. Bessler, D. Leibfritz, W. Praß, H. Ringsdorf.
     B-lymphocyte mitogenicity and biophysical properties of synthetic N-terminal lipopeptides of e. coli lipoprotein.
     SCLAVO, Int. Conference of Synthetic Antigens, p.58.
253. J. Sianoudis, T. Naujokat, W. Offermann, A. Mayer, L. H. Grimme, D. Leibfritz.
     Respirational activity of chlorella fusca monitored by in-vivo-P-31 NMR.
     Eur. Biophysics Journ. 13, 89-97 (1985).
254. Th. Weihrauch, D. Leibfritz.
     Darstellung chrialer a-Aminoisobuttersäure.
     Liebigs Ann. Chem., 1917-1921 (1985).
255. J. Sianoudis, T. Naujokat, A. Mayer, L. H. Grimme, D. Leibfritz.
     P-31-NMR-studies of phosphate metabolism of the green alga chlorella fusca.
     In: Magnetic Resonance in Biology and Medicine (Eds.: G. Govil, C.L. Khetrapal, A. Saran) McGraw Hill,  429-438 (1985).
256. D. Leibfritz, W. Offermann, W. Kuhn, T. Ishikawa, K. U. Wolf, J. Becker.
     P-31-NMR-studies on perfused rat organs (heart, diaphragm, gaster) and on human erythrocytes.
     In: Magnetic Resonance in Biology and Medicine (Eds.: G. Govil, C.L. Khetrapal, A. Saran) McGraw Hill, 417-427 (1985).
257. H. Schiebel, P. Schulze, W.-D. Stohrer, B. Jastorff, K. H. Maurer, D. Leibfritz.
     Fast atom bombardment mass spectrometry of nucleoside cyclophosphates and structurally related compounds: FAB induced reactions prior to desorption.
     Biomed. Mass Spektrom., 12, 170-180 (1985).
258. J. Sianoudis, A. Mayer, D. Leibfritz.
     Investigation of intracellular phosphate pools of the green alga chlorella using P-31 nuclear magnetic resonance.
     OMR, 22, 364-368 (1984).
259. D. Leibfritz, E. Haupt, N. Dubischar. H. Lachmann, R. Oekonomopulos, G. Jung.
     Synthese von 2-Methylalanin-Peptiden, die pH-Abhängigkeit ihrer C-13-NMR-Spektren und eine neue Methode zur Auswertung über CS-Diagramme.
     Tetrahedron, 38, 2165-2181 (1982).
260. R. Oekonomopulos, G. Jung, D. Leibfritz.
     C-13-NMR und Konformation eines membranmodifizierenden, synthetischen  Nonadekapeptid-Analogen von Alamethicin und seinen Zwischenstufen.
     Tetrahedron, 38, 2157-2164 (1982).
261. D. Leibfritz, E. Haupt, W.E. Hull, W.D. Weber.
     Strukturnachweis von 9-a-Hydroxyoestron durch zweidimensionale Protonon-FT-NMR und 13C-NMR-Spektroskopie.
     Liebigs Ann. Chem. 1982, 1971-1981.
262. G. Quinkert, G. Dürner, E. Kleiner, F. Adam, E. Haupt, D. Leibfritz.
     Regeln zur Bestimmung von Spektren bei 2.4-Cyclohexadien-1-onen.
     Chem. Ber. 113, 2227-2248 (1980).
263. H. tom Dieck, H. Bruder, K. Hellfeldt, M. Feigel, D. Leibfritz.
     Starre Phenylgruppen-Konformation in Komplexen.
     Angew. Chemie 92, 395-396 (1980).
264. G. Quinkert, G. Dürner, E. Kleiner, E. Haupt, D. Leibfritz.
     Spektroskopische Identifizierung polymethylsubstituierter 2.4-Cyclohexadienone.
     Angew. Chem. 91, Nr. 7, 584-585 (1979).
265. M. Feigel, H. Kessler, D. Leibfritz, A. Walter.
     Direct observation of the ionization of tropylium azide in liquid SO2 and selektive migration of the azide ligand in less polar solvent.
     JACS 101, 1943-1950 (1979).
266. G. Quinkert, H. Englert, F. Cech, A. Stegk, E. Haupt, D. Leibfritz, D. Rehm.
     Über das seco-isomere Dienylketen aus 2, 4-Androstadien-1-on.
     Chem. Ber. 112, 310-348 (1979).
267. D. Leibfritz, W. Mayr, R. Oekonomopulos, G. Jung.
     13C-NMR spectroscopic studies on the conformation during stepwise synthesis of peptides bound to solubilizing polymer supports.
     Tetrahedron 34, 2045-2050 (1978).
268. F. Hohmann, H. tom Dieck, Th. Mack, D. Leibfritz.
     Elektronenreiche Übergangsmetallkomplexe: Dien-bis-(Phosphin) Molybdändi-carbonyle.
     J. Organometall. Chem. 132, 255-263 (1977).
269. D. Leibfritz, H. tom Dieck.
     Intramolekularer Ligandenaustausch in einkernigen Heterodien-Eisentri-carbonylkomplexen.
     J. Organometall. Chem. 195, 255-261 (1976).
270. G. Boheim, K. Janko, D. Leibfritz, T. Ooka, W. König, G. Jung.
     Structural and membrane modifying properties of Suzukacillin. A peptide antibiotic related to Alamethicin. Part B: Pore formation in black lipid films.
     Biochemica Biophysica Research Acta 433, 182-199 (1976).
271. G. Jung, W.a. König, D. Leibfritz, T. Ooka, K. Janko, G. Boheim.
     Structural and membrane modifying properties of Suzukacillin. A peptide antibiotic related to Alamethicin. Part A: Sequence and conformation Biochemica Biophysica Research Acta 433, 164-181 (1976).
272. D. Leibfritz.
     Stereochemische Anwendungen der C-13 NMR-Spektroskopie.
     Habilitationsschrift, Univ. Frankfurt (1975).
273. W. Majunke, D. Leibfritz, Th. Mack, H. tom Dieck.
     Intramolekularer cis/trans- Austausch von Carbonylliganden in (L-L)M(CO)4-Komplexen.
     Chem. Ber. 108, 3025-3029 (1975).
274. D. Leibfritz.
     Nachweis des Verdrillungsgrades bei Arylverbindungen mit Hilfe der C-13-NMR-Spektroskopie.
     Chem. Ber., 108, 3014-3024 (1975).
275. G. Jung, N. Dubischar, D. Leibfritz.
     C-13-NMR and circular dichroism studies on Alamethicin.
     Eur. J. Biochem., 54, 395-409 (1975).
276. D. Leibfritz.
     Nachweis spezifischer Calcium- und Natriumkomplexierung durch das Antibiotikum Rifamycin mit Hilfe der C-13-NMR-Spektroskopie.
     THL 1974, 4125-4128.
277. G. Jung, D. Leibfritz, M. Ottnad, N. Dubischar.
     Dynamic conformations and aggregation of the membrane active Alamethicin.
     Z. Physiol. Chem. 355, 45-46 (1974).
278. G. Jung, N. Dubischar, D. Leibfritz, M. Ottnad, H. Probst, C. Stump.
     On the conformation of Alamethicin Peptides.
     Proc. 13. Europ. Peptide Symposium, 1974, 345-354.
279. G. E. Hawkes, C. Marzin, D. Leibfritz, S. R. Johns, K. Herwig, R. A. Cooper, D. W. Roberts, J. D. Roberts.
     Lanthanide induced 13C NMR-shifts NMR-Shift-Reagents.
     Ed. R.E. Sievers, Academic Press (1973).
280. H. O. Kalinowski, H. Kessler, D. Leibfritz, A. Pfeffer.
     Lösungsmittel und Säurekatalysierte Z, E-Tropomerisierung eines Hydrazons
     Chem. Ber. 106, 1023-1032 (1973).
281. D. Leibfritz, J. D. Roberts.
     Carbon-13 spectra of cholic acids. Inclusions in sodium desoxy-cholate solutions.
     JACS 95, 4996-5003 (1973).
282. C. Marzin, D. Leibfritz, J. D. Roberts.
     NMR-Shift-Reagents: Abnormal shifts produced by complexation of lanthanide chelates with saturated amines and an isocyanide.
     Proc. Nat. Acad. Sci. (USA) 70, 562-563 (1973).
283. D. Leibfritz, G. E. Hawkes, D. W. Roberts, J. D. Roberts.
     NMR-shift-reagents. The question of the orientation of the magnetic axis in Lanthanide-substrate-complexes.
     JACS 95, 1659 (1973).
284. D. Leibfritz, B. O. Wagner, J. D. Roberts.
     13C-NMR-spektroskopische Untersuchungen an Grignard-Verbindungen.
     Liebigs Ann. 763, 173-183 (1972).
285. D. Leibfritz.
     Röntgenphotoelektroskopie an Eisenproteiden. Zur Wertigkeit des Eisens in Ferredoxinen.
     Ang. Chem. 84, 156-158 (1972).
286. H. Kessler, D. Leibfritz.
     Hammett-Beziehung und sterische Einflüsse auf die Rotation um partielle CN-Doppelbindungen in aromatischen Guanidiniumsalzen.
     Chem. Ber. 104, 2158-2169 (1971).
287. H. Kessler, P. Bley, D. Leibfritz.
     Planare Stickstoffinversion in Iminokohlensäureestern und Iminothiokohlensäure-estern. Einfluß der Substitution am Aminokohlenstoff und auf  Inversionsgeschwindigkeit am Stickstoff.
     Tetrahedron 27, 1687-1697 (1971).
288. H. Kessler, D. Leibfritz.
     Mechanismus der syn-anti-Isomerisierung in Iminen. Diastereotopie und Enantiotopie.
     Chem. Ber. 104, 2143-2157 (1971).
289. D. Leibfritz, W. Bremser.
     Zum Berliner Blau-Problem. Röntgenphotoelektronenspektren von zwei- und dreiwertigem Eisen.
     Chem. Zeitg. 94, 982 (1970).
290. H. Kessler, D. Leibfritz.
     Empirische Abschätzung von Inversionsbarrieren III.
     THL 1970, 4297-4300.
291. H. Kessler, D. Leibfritz.
     Empirische Abschätzung von Inversionsbarrieren II.
     THL 1970, 4293-4296.
292. H. Kessler, D. Leibfritz.
     Empirische Abschätzung von Inversionsbarrieren I.
     THL 1970, 4289-4292.
293. D. Leibfritz.
     NMR-Untersuchungen zur Isomerisierung an CN-Bindungen.
     Dissertation, Universität Tübingen (1970).
294. H. Kessler, D. Leibfritz.
     Vergleich der Inversionsgeschwindigkeiten am doppelt gebundenen Stickstoff in Guanidinen und Imidazolidin-iminen.
     Liebigs Ann. Chem. 737, 53-60 (1970).
295. H. Kessler, D. Leibfritz.
     Konformation und Rotationsbarrieren in N,N'-Diaryl-thioharnstoffen.
     THL 1970, 1595-1598.
296. D. Leibfritz, H. Kessler.
     Hammett correlation of inversion barriers in the syn-anti-isomerization of imino-carbonates.
     Chem. Comm. 1970, 655-657.
297. H. Kessler, D. Leibfritz.
     Magnetische Nichtäquivalenz als Beweis für die Inversion am Stickstoff in Iminen.
     THL 1970, 1423-1426.
298. H. Kessler, D. Leibfritz.
     Untersuchungen zur Inversion am doppelt gebundenen Stickstoffatom am Beispiel der Tetramethylguanidine.
     Tetrahedron 26, 1805-1820 (1970).
299. A. Rieker, P. Niederer, D. Leibfritz.
     Chemisch induzierte Kernpolarisation im System Phenyl-diazoniumtetrafluoroborat / NaBH4. Nachweis des Phenylradikals bei der Gomberg-Arylierung.
     THL 1969, 4287-4290.
300. H. Kessler, D. Leibfritz.
     Lösungsmitteleinflüsse auf die Stickstoffinversion in Guanidinen. Rotation um die CN-Einfach- und CN-Doppelbindungen in Guanidiniumsalzen.
     Tetrahedron 25, 5127-5145 (1969).
301. H. Kessler, D. Leibfritz.
     Isomerisierungen an der CN- und CS-Doppelbindung in Guanidinium- und Thiuroniumsalzen.
     THL 1969, 427-430.