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- Publications
- Influence
Interactions of Melanin with Metal Ions. Electron Spin Resonance Evidence for Chelate Complexes of Metal Ions with Free Radicals
- C. Felix, J. Hyde, T. Sarna, R. C. Sealy
- Chemistry
- 1 June 1978
ESR experiments reveal, for the first time, that di- and tripositive metal ions bind to o-semiquinone radical centers within melanin polymers to yield chelate complexes. The binding is often… Expand
Hydrophobic barriers of lipid bilayer membranes formed by reduction of water penetration by alkyl chain unsaturation and cholesterol.
- W. Subczynski, A. Wiśniewska, J. Yin, J. Hyde, A. Kusumi
- Chemistry, Medicine
- Biochemistry
- 21 June 1994
The hydrophobicity profiles across phosphatidylcholine (PC)-cholesterol bilayer membranes were estimated in both frozen liposome suspensions and fluid-phase membranes as a function of alkyl chain… Expand
Oxygen permeability of phosphatidylcholine--cholesterol membranes.
- W. Subczynski, J. Hyde, A. Kusumi
- Chemistry, Medicine
- Proceedings of the National Academy of Sciences…
- 1 June 1989
Oxygen transport in phosphatidylcholine-cholesterol membranes has been studied by observing the collision of molecular oxygen with nitroxide radical spin labels placed at various distances from the… Expand
Eumelanins and pheomelanins: characterization by electron spin resonance spectroscopy.
Synthetic dopa melanin and cysteinyldopa melanin have different electron spin resonance spectra. Data are reported for mixtures of these melanins and for dopa-cysteinyldopa copolymers, which are… Expand
Conformation of spin-labeled melittin at membrane surfaces investigated by pulse saturation recovery and continuous wave power saturation electron paramagnetic resonance.
- C. Altenbach, W. Froncisz, J. Hyde, W. Hubbell
- Chemistry, Medicine
- Biophysical journal
- 1 December 1989
Melittin spin-labeled specifically with a nitroxide at positions 7, 21, 23, or the amino terminus was bound to phospholipid membranes, and the exposure of the spin label to the aqueous phase was… Expand
CHAPTER 7 – Structure and Reactivity of Melanins: Influence of Free Radicals and Metal Ions
- R. C. Sealy, C. Felix, J. Hyde, H. Swartz
- Chemistry
- 1980
Novel free radicals in synthetic and natural pheomelanins: distinction between dopa melanins and cysteinyldopa melanins by ESR spectroscopy.
- R. Sealy, J. Hyde, +5 authors H. Haberman
- Chemistry, Medicine
- Proceedings of the National Academy of Sciences…
- 1 May 1982
Synthetic pheomelanins from enzymic oxidation of the 3,4-dihydroxyphenylalanine (dopa) derivative 5-S-cysteinyldopa have been examined by ESR spectroscopy. These alkalisoluble polymers contain a… Expand
Permeability of nitric oxide through lipid bilayer membranes.
- W. Subczynski, M. Lomnicka, J. Hyde
- Chemistry, Medicine
- Free radical research
- 1 May 1996
Profiles of the local nitric oxide (.NO) diffusion-concentration product across the egg yolk phosphatidylcholine membrane in the absence and presence of 30 mol% cholesterol were obtained using… Expand
Effects of oxygen on EPR spectra of nitroxide spin-label probes of model membranes
- C. A. Popp, J. Hyde
- Chemistry
- 1 May 1981
Abstract The use of a methylpentene polymer, TPX, for construction of sample containers that allow easy equilibration of electron paramagnetic resonance samples with nitrogen is described. The… Expand
Is the mammalian cell plasma membrane a barrier to oxygen transport?
- W. Subczynski, L. Hopwood, J. Hyde
- Chemistry, Medicine
- The Journal of general physiology
- 1 July 1992
Oxygen transport in the Chinese hamster ovary (CHO) plasma membrane has been studied by observing the collision of molecular oxygen with nitroxide radical spin labels placed in the lipid bilayer… Expand
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