Lymphocyte activation and phospholipid pathways. 31P magnetic resonance studies
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چکیده
منابع مشابه
Nuclear magnetic resonance studies of phospholipid micelles.
The proton magnetic resonance spectrum of DL-a!-lecithin at 100 MHz in CHCJ solvent is reported. An analysis of the spectrum is made. The chemical shifts of the N-(CH& protons and the resonance peak associated with the condensed water molecule showed concentration dependence with the latter showing the more pronounced response. These chemical shift changes are interpreted in terms of micelle fo...
متن کامل31P nuclear magnetic resonance and freeze-fracture electron microscopy studies on Escherichia coli. II. Lipopolysaccharide and lipopolysaccharide-phospholipid complexes.
1. Freeze-fracture electron microscopy and 31P-NMR spectroscopy on native and electrodialyzed lipopolysaccharide from Escherichia coli K12 cells, both above and below the phase transition temperature, are described. 2. Freeze-fracture electron microscopy of native lipopolysaccharide shows ribbon-like structures below (0 and 22 degrees C) and large vesicles above (37 degrees C) the phase transit...
متن کامل[2H]Hydrogen and [31P]phosphorus nuclear-magnetic-resonance and neutron-diffraction studies of membranes.
Margaritis, L. H., Elgsaeter, A. & Branton, D. (1977) J . Cell Biol. 72, 47-56 Moor, H. (1966) Int. Rev. Exp. Path. 5 , 179-216 Moor, H. (1971) Phil. Trans. R . SOC. London Ser. B261,121-131 Nicolson, G. L. (1974) Int. Rev. Cytol. 39, 89-190 Pfenninger, K. H. & Rinderer. E. R. (1 975) J. Cell Biol. 65, 15-28 Pinto da Silva, P. & Branton, D. (1970) J. Cell Bio/. 45,598-605 Pinto da Silva, P. & B...
متن کامل31P nuclear magnetic resonance studies of phosphoglyceride metabolism in developing and degenerating brain: preliminary observations.
31P nuclear magnetic resonance (NMR) studies were conducted on perchloric acid extracts of the brain of one control, two Huntington's disease (HD), one probable Alzheimer's disease (AD), and one AD patient. These studies demonstrated significant elevations (over control) in the levels of phosphomonoesters in all brain areas of the patients with HD and AD even in areas devoid of neuropathologica...
متن کامل31P nuclear magnetic resonance spectroscopy of native and recombined lipoproteins.
Native and recombined lipoproteins have been studied by (31)P nuclear magnetic resonance spectroscopy. Very low-, low-, and high-density lipoproteins exhibited characteristic spectra. The main resonances were assigned to phosphatidylcholine and sphingomyelin. Relaxation times for these phospholipids were separately measured in low-density lipoproteins and high-density lipoproteins. The effect o...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1991
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(19)67849-x