Applied Magnetic Resonance

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Brain Oximetry and the Quest for Quantified Metabolic Rate: Applications Using MRI and Near-Infrared Spectroscopy
Applied Magnetic Resonance - Tập 52 - Trang 1343-1377 - 2021
Mada Hashem, Jeff F. Dunn
Cerebral metabolic rate of oxygen (CMRO2) is a robust marker of brain health. It represents the amount of oxygen consumed by the brain, and it has been proved to be more sensitive indicator than oxygenation level and cerebral blood flow alone. Quantitative assessment of CMRO2 provides a useful insight into the viability of the brain tissue, the progression of a brain disease or action of a treatme...... hiện toàn bộ
Photo-Induced Electron Spin Polarization in Chemical and Biological Reactions: Probing Structure and Dynamics of Transient Intermediates by Multifrequency EPR Spectroscopy
Applied Magnetic Resonance - Tập 41 - Trang 113-143 - 2011
Klaus Möbius, Wolfgang Lubitz, Anton Savitsky
In this minireview, modern multifrequency electron paramagnetic resonance (EPR) spectroscopy, in particular, at high magnetic fields, is shown to provide detailed information about structure, motional dynamics and spin chemistry of transient radicals and radical pairs occurring in photochemical reactions. Examples discussed comprise spin-polarized radicals and radical pairs in disordered systems, ...... hiện toàn bộ
Đo Độ Nhớt Vi Mạch Trong Các MMembrane Vesicular Bằng Phương Pháp Cộng Hưởng Spin Điện Tử Dịch bởi AI
Applied Magnetic Resonance - Tập 33 - Trang 269-283 - 2008
G. Buech, W. Herrmann, H.-H. Borchert
Bảy công thức dạng vesicular CER(−), CER(+), CER(I), PC(−), PC(+), DAG(B) và DAG(I) đã được phát triển sử dụng ceramide IIIB (CER), phosphatidylcholine (PC), hoặc diacylglycerides (DAG) làm thành phần lipid chính. B và I chỉ định chất hoạt động mặt phân cực hydrophilic Brij 58 và Imwitor 375, (+) và (−) biểu thị tiềm năng zeta dương và âm. Ảnh hưởng của độ nhớt vi mạch của lớp màng lipid đến đặc đ...... hiện toàn bộ
#độ nhớt vi #màng vesicle #cộng hưởng spin điện tử #ceramide #phosphatidylcholine #diacylglycerides
Intramolecular Mobility in Nitroxide Biradicals with Flexible Linkers
Applied Magnetic Resonance - Tập 51 - Trang 1031-1040 - 2020
Günter Grampp, Van Anh Tran, Petr V. Pantyukhov, Alexander I. Kokorin
Intramolecular electron spin exchange has been studied by X-band electron paramagnetic resonance (EPR) spectroscopy in two long-chain flexible nitroxide biradicals existing in fluid solutions in three spectroscopy-different spatial conformations as a function of temperature, solvent viscosity and polarity. Certain thermodynamic parameters of the conformational transitions were calculated from the ...... hiện toàn bộ
Physical and Spectral Investigations of Cu2+-Doped Alkali Zinc Borate Glasses
Applied Magnetic Resonance - Tập 40 Số 3 - Trang 339-350 - 2011
T. Raghavendra Rao, Ch. Rama Krishna, U.S. Udayachandran Thampy, Ch. Venkata Reddy, Y. P. Reddy, P. Sambasiva Rao, R.V.S.S.N. Ravikumar
Localized cross-polarization in solids
Applied Magnetic Resonance - Tập 9 Số 2 - Trang 267-287 - 1995
Demco, D. E., Hafner, S., Kimmich, R.
Single quantum heteronuclear cross-polarization in solids is strongly sensitive to resonance offsets. In the presence of main field- or radio-frequency field gradients, the cross-polarization efficiency, therefore, shows a strong spatial dependence, which represents a new principle for localized NMR in solids. Since slices-selective excitation is achieved simultaneously to cross-polarization, the ...... hiện toàn bộ
Two-Dimensional Distance Correlation Maps from Pulsed Triple Electron Resonance (TRIER) on Proteins with Three Paramagnetic Centers
Applied Magnetic Resonance - Tập 49 - Trang 1253-1279 - 2018
Stephan Pribitzer, Luis Fábregas Ibáñez, Christoph Gmeiner, Irina Ritsch, Daniel Klose, Muhammad Sajid, Miriam Hülsmann, Adelheid Godt, Gunnar Jeschke
Recently, we introduced the pulsed triple electron resonance (TRIER) experiment, which correlates dipolar frequencies of molecules with three electron spins. These correlation patterns contain valuable information: in combination with double electron–electron resonance (DEER) they allow to interpret distance distributions of biological systems that exist in more than one conformation. Together wit...... hiện toàn bộ
In Search of Stable, High-Spin Polymers
Applied Magnetic Resonance - Tập 51 - Trang 1331-1341 - 2020
Patrick Hewitt, David A. Shultz
Oligomers of poly(thiophene) and poly(ortho-phenyleneethynylene) having pendant S = 1/2 semiquinone radicals (as complexes of cobalt(III)) have been prepared and characterized by electron paramagnetic resonance (EPR) spectroscopy and magnetic measurements (superconducting quantum interferences device = SQUID magnetometry). Our results show that exchange coupling of semiquinone groups along a polyt...... hiện toàn bộ
XXVII congress AMPERE on Magnetic Resonance
Applied Magnetic Resonance - Tập 4 - Trang 383-384 - 1993
Wayne Hubbell: On the Occasion of His 80th Birthday
Applied Magnetic Resonance - - Trang 1-4 - 2024
Zhongyu Yang, Candice Klug, Miyeon Kim
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