Dr. Josef Pfeuffer


Bild von Pfeuffer, Josef, Dr.

Josef Pfeuffer

Position: Projektleiter  Abteilung: Alumni Logothetis

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Artikel (39):

Cavusoglu M, Pfeuffer J, Ugurbil K und Uludag K (Oktober-2009) Comparison of pulsed arterial spin labeling encoding schemes and absolute perfusion quantification Magnetic Resonance Imaging 27(8) 1039-1045.
Mishra R, Su W, Pohmann R, Pfeuffer J, Sauer MG, Ugurbil K und Engelmann J (September-2009) Cell-Penetrating Peptides and Peptide Nucleic Acid-Coupled MRI Contrast Agents: Evaluation of Cellular Delivery and Target Binding Bioconjugate Chemistry 20(10) 1860-1868.
Zappe A-C, Pfeuffer J, Merkle H, Logothetis NK und Goense JBM (März-2008) The effect of labeling parameters on perfusion-based fMRI in nonhuman primates Journal of Cerebral Blood Flow and Metabolism 28(3) 640-652.
Juchem C, Logothetis NK und Pfeuffer J (Juli-2007) (1)H-MRS of the macaque monkey primary visual cortex at 7 T: strategies and pitfalls of shimming at the brain surface Magnetic Resonance Imaging 25(6) 902-912.
Pfeuffer J, Shmuel A, Keliris GA, Steudel T, Merkle H und Logothetis NK (Juli-2007) Functional MR imaging in the awake monkey: effects of motion on dynamic off-resonance and processing strategies Magnetic Resonance Imaging 25(6) 869-882.
Zappe A-C, Reichold J, Burger C, Weber B, Buck A, Pfeuffer J und Logothetis NK (Juli-2007) Quantification of Cerebral Blood Flow in Nonhuman Primates Using Arterial Spin Labeling and a Two-Compartment Model Magnetic Resonance Imaging 25(6) 775-783.
Keliris GA, Shmuel A, Ku S-P, Pfeuffer J, Oeltermann A, Steudel T und Logothetis NK (Juli-2007) Robust Controlled Functional MRI in Alert Monkeys at High Magnetic Field: Effects of Jaw and Body Movements NeuroImage 36(3) 550-570.
Su W, Mishra R, Pfeuffer J, Wiesmüller KH, Ugurbil K und Engelmann J (Februar-2007) Synthesis and cellular uptake of a MR contrast agent coupled to an antisense peptide nucleic acid - cell- penetrating peptide conjugate Contrast Media & Molecular Imaging 2(1) 42-49.
Juchem C, Mueller-Bierl B, Schick F, Logothetis NK und Pfeuffer J (September-2006) Combined Passive and Active Shimming for In Vivo MR Spectroscopy at High Magnetic Field Journal of Magnetic Resonance 183(2) 278-289.
Mishra A, Pfeuffer J, Mishra R, Engelmann J, Mishra A, Ugurbil K und Logothetis NK (April-2006) A New Class of Gd-based DO3A-ethylamine-derived Targeted Contrast Agents for MR and Optical Imaging. Bioconjugate Chemistry 17(3) 773-780.
Pfeuffer J, Lin J, DelaBarre L, Ugurbil K und Garwood M (November-2005) Detection of intracellular lactate with localized diffusion {1H–13C}-spectroscopy in rat glioma in vivo Journal of Magnetic Resonance 177(1) 129-138.
Juchem C, Logothetis NK und Pfeuffer J (Oktober-2005) High-resolution 1H chemical shift imaging in the monkey visual cortex Magnetic Resonance in Medicine 54(6) 1541-1546.
Pfeuffer J, Merkle H, Beyerlein M, Steudel T und Logothetis NK (Dezember-2004) Anatomical and Functional MR Imaging in the Macaque Monkey Using a Vertical Large-bore 7 Tesla Setup Magnetic Resonance Imaging 22(10) 1343-1359.
Pfeuffer J, Juchem C, Merkle H, Nauerth A und Logothetis NK (Dezember-2004) High-field localized 1H NMR spectroscopy in the anaesthetized and in the awake monkey Magnetic Resonance Imaging 22(10) 1361-1372.
Logothetis NK und Pfeuffer J (Dezember-2004) On the Nature of the BOLD fMRI Contrast Mechanism Magnetic Resonance Imaging 22(10) 1517-1531.
Juchem C, Merkle H, Schick F, Logothetis NK und Pfeuffer J (Dezember-2004) Region and volume dependencies in spectral linewidth assessed by 1H 2D MR chemical shift imaging in the monkey brain at 7T Magnetic Resonance Imaging 22(10) 1373-1383.
Pfeuffer J, McCullough JC, Van de Moortele P-F, Ugurbil K und Hu X (April-2003) Spatial dependence of the nonlinear BOLD response at short stimulus duration NeuroImage 18(4) 990-1000.
Shmuel A, Yacoub E, Pfeuffer J, Ugurbil K und Al E (Dezember-2002) Sustained negative BOLD, blood flow and oxygen consumption response and its coupling to the positive response in the human brain Neuron 36(6) 1195-1210.
Pfeuffer J, Van de Moortele P-F, Yacoub E, Shmuel A, Adriany G, Andersen P, Merkle H, Garwood M, Ugurbil K und Hu X (September-2002) Zoomed Functional Imaging in the Human Brain at 7 Tesla with Simultaneous High Spatial and High Temporal Resolution NeuroImage 17(1) 272-286.
Pfeuffer J, Adriany G, Shmuel A, Yacoub E, Van de Moortele P-F, Hu X und Ugurbil K (Mai-2002) Perfusion-based high-resolution functional imaging in the human brain at 7 Tesla Magnetic Resonance in Medicine 47(5) 903-911.
Van de Moortele P-F, Pfeuffer J, Glover GH, Ugurbil K und Hu X (Mai-2002) Respiration-Induced B0 Fluctuations in the Human Brain at 7 Tesla and its Spatial Distribution Magnetic Resonance in Medicine 47(5) 888–895.
Pfeuffer J, Van de Moortele P-F, Ugurbil K, Hu X und Glover GH (Februar-2002) Correction of physiologically induced global off-resonance effects in dynamic echo-planar and spiral functional imaging Magnetic Resonance in Medicine 47(2) 344-353.
Hu X, Yacoub E, Pfeuffer J, Shmuel A, Van de Moortele P-F, Adriany G und Ugurbil K (Februar-2002) Mapping Human Brain Function with MRI at 7 Tesla Chinese Journal of Magnetic Resonance 19(1) 90-91.
Tkac I, Keene CD, Pfeuffer J, Low WC und Gruetter R (Dezember-2001) Metabolic changes in quinolinic acid-lesioned rat striatum measured non-invasively by in vivo 1H NMR spectroscopy Journal of Neuroscience Research 66(5) 891-898.
Yacoub E, Shmuel A, Pfeuffer J, Van de Moortele P-F, Adriany G, Ugurbil K und Hu X (November-2001) Investigation of the Initial Dip at 7 Tesla NMR in Biomedicine 14(7-8) 408-412.
Zhang X, Van de Moortele P-F, Pfeuffer J und Hu X (September-2001) Elimination of k-space spikes in fMRI data Magnetic Resonance Imaging 19(7) 1037-1041.
Ugurbil K, Shmuel A, Pfeuffer J und Al E (Juli-2001) Magnetic Resonance Imaging of Brain Function and Neurochemistry Proceedings of the IEEE 89(7) 1093-1140.
Yacoub E, Shmuel A, Pfeuffer J, Van de Moortele P-F, Adriany G, Andersen P, Vaughan J, Merkle H, Ugurbil K und Hu X (April-2001) Imaging Brain Function in Humans at 7 Tesla Magnetic Resonance in Medicine 45(4) 588-594.
Zwingmann C, Floegel U, Pfeuffer J und Leibfritz D (September-2000) Effects of Ammonia Exposition on Glioma Cells: Changes in Cell Volume and Organic Osmolytes Studied by Diffusion-Weighted and High-Resolution NMR Spectroscopy Developmental Neuroscience 22(5-6) 463-471.
Pfeuffer J, Tkac I und Gruetter R (April-2000) Extracellular-intracellular distribution of glucose and lactate in the rat brain assessed noninvasively by diffusion-weighted 1H nuclear magnetic resonance spectroscopy in vivo Journal of Cerebral Blood Flow & Metabolism 20(4) 736-746.
Pfeuffer J, Tkac I, Provencher SW und Gruetter R (November-1999) Toward an in vivo neurochemical profile: quantification of 18 metabolites in short-echo-time 1H NMR spectra of the rat brain Journal of Magnetic Resonance 141(1) 104-120.
Pfeuffer J, Tkac I, Choi IY, Merkle H, Ugurbil K, Garwood M und Gruetter R (Juni-1999) Localized in vivo 1H NMR detection of neurotransmitter labeling in rat brain during infusion of [1-13C] D-glucose Magnetic Resonance in Medicine 41(6) 1077-1083.
Pfeuffer J, Provencher SW und Gruetter R (Mai-1999) Water diffusion in rat brain in vivo as detected at very large b values is multicompartmental Magnetic Resonance Materials in Physics, Biology and Medicine 8(2) 98-108.
Pfeuffer J, Broer S, Broer A, Lechte M, Floegel U und Leibfritz D (November-1998) Expression of Aquaporins in Xenopus laevis Oocytes and Glial Cells as Detected by Diffusion-Weighted 1H NMR Spectroscopy and Photometric Swelling Assay Biochimica et Biophysica Acta: Molecular Cell Research 1448(1) 27-36.
Pfeuffer J, Dreher W, Sykova E und Leibfritz D (November-1998) Water signal attenuation in diffusion-weighted 1H NMR experiments during cerebral ischemia: Influence of intracellular restrictions, extracellular tortuosity, and exchange. Magnetic Resonance Imaging 16(9) 1023-1032.
Pfeuffer J, Floegel U und Leibfritz D (Januar-1998) Monitoring of cell volume and water exchange time in perfused cells by diffusion-weighted 1H NMR spectroscopy NMR in Biomedicine 11(1) 11-18.
Pfeuffer J, Floegel U, Dreher W und Leibfritz D (Januar-1998) Restricted diffusion and exchange of intracellular water: theoretical modelling and diffusion time dependence of 1H NMR measurements on perfused glial cells. NMR in Biomedicine 11(1) 19-31.
Henke J, Engelmann J, Floegel U, Pfeuffer J, Kutscher B, Noessner G, Engel J, Voegeli R und Leibfritz D (1998) Investigations on the apoptotic effects of hexadecylphosphocholine on resistant and non-resistant cells monitored by NMR spectroscopy Drugs of Today 34(Suppl. F) 37-50.
Serkova N, Christians U, Floegel U, Pfeuffer J und Leibfritz D (Dezember-1997) Assessment of the mechanism of astrocyte swelling induced by the macrolide immunosuppressant sirolimus using multinuclear nuclear magnetic resonance spectroscopy Chemical Research in Toxicology 10(12) 1359-1363.

Beiträge zu Tagungsbänden (5):

Pfeuffer J, Steudel T, Merkle H und Logothetis NK (März-23-2004) Perfusion-based high-resolution fMRI in the primate brain using a novel vertical large-bore 7 Tesla setupISMRM Workshop on Quantitative Cerebral Perfusion Imaging Using MRI: A Technical Perspective, 108-109.
Pfeuffer J (März-10-2002) Diffusion-Weighted Spectroscopy of Water and Cerebral Metabolites at Very Large b Values: What Multiple Components Tell UsISMRM Workshop: Diffusion MRI: Biophysical Issues, 41-44.
Gruetter R, Pfeuffer J, Tkac I, Damberg G und Seaquist ER (August-1999) NMR studies of in vivo brain glucose concentrations and transport In: Brain Barrier Systems, Alfred Benzon Symposium 45, Munksgaard, Kopenhagen, Denmark, 128-138.
Floegel U, Willker W, Pfeuffer J und Leibfritz D (1997) Regulation of Glial Lipid Metabolism During Osmotic Stress Studied by 13C-NMR Spectroscopy In: Neurochemistry: Cellular, Molecular, and Clinical Aspects, 11th Meeting of the European Society for Neurochemistry, Springer, Berlin, Germany, 571-575.
Grupp A, Pfeuffer J und Mehring M (März-1995) 13C Hyperfine Interaction in the Triplet State of C60: An Electron Spin Echo Envelope Modulation Study In: Physics and chemistry of fullerenes and derivatives, International Winterschool on Electronic Properties of Novel Materials, World Scientific, Singapore, 246-249.

Beiträge zu Büchern (1):

Leibfritz D, Pfeuffer J, Floegel U, Meier C und Broer S: Cell volume and water exchange in neural cells monitored by diffusion weighted 1H NMR spectroscopy, 255-263. In: Volume transmission revisited, (Ed) L.F. Agnati, Elsevier, Amsterdam, The Netherlands, (2000).

Technische Berichte (4):

Jayachandra MR, Logothetis NK und Pfeuffer J: Comparison of experimental and theoretical spiral MR trajectories, 129, Max Planck Institute for Biological Cybernetics, (August-2004).
Treiber S, Juchem C, Logothetis NK und Pfeuffer J: Simulation von Basisspektren zur Frequenzdomänenanalyse von in vivo 1H NMR-Spektren mittels LCModel [Simulation of Basis Spectra for Frequency Domain Analysis of in vivo 1H NMR Spectra using LCModel], 117, Max Planck Institute for Biological Cybernetics, (Juli-2003).
Floegel U, Pfeuffer J und Leibfritz D: Effect of Ibuprofen on Swelling-induced Alterations in Cell Metabolism, Studied by Multinuclear NMR Spectroscopy, Dolorgiet GmbH & Co. KG, (1995).
Pfeuffer J und Presting H: Modellierung von Rekombinationsmechanismen beim Stromtransport in p-n-Übergangen [Modeling of recombination mechanisms in the electronic transport of p-n transitions], Daimler-Benz Research Center, Ulm, (1992).

Poster (62):

Mishra R, Su W, Brud A, Sauer MG, Pfeuffer J, Ugurbil K und Engelmann J (September-2008): Cell Penetrating Peptides Delivering Intracellular Targeted Agents for Molecular Imaging, 30th European Peptide Symposium (30 EPS), Helsinki, Finland, Journal of Peptide Science, 14(S1) 154-155.
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Last updated: Dienstag, 18.11.2014