James M. Gallas

The University of Texas at San Antonio — United States

Biochemistry, Genetics and Molecular Biology · Life Sciences

11h-index838citations17works0.02yr avg
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Research Topics

melanin and skin pigmentation(11), Electrochemical Analysis and Applications(2), Photochromic and Fluorescence Chemistry(2), Free Radicals and Antioxidants(2), Phytochemicals and Antioxidant Activities(1)

Publications17 total

Effect of Stacking and Redox State on Optical Absorption Spectra of Melanins−Comparison of Theoretical and Experimental Results
The Journal of Physical Chemistry B·2005· 104 cited
Photoprotective Light Filters Based upon Synthetic Melanin--a Nanometer Scale Bio-technology
APS·2004
Spectroscopic Study and Simulation from Recent Structural Models for Eumelanin:  II. Oligomers
The Journal of Physical Chemistry B·2003· 79 cited
Spectroscopic Study and Simulation from Recent Structural Models for Eumelanin:  I. Monomer, Dimers
The Journal of Physical Chemistry B·2003· 84 cited
Structural Studies of Bleached Melanin by Synchrotron Small-angle X-ray Scattering¶
Photochemistry and Photobiology·2003· 54 cited
<title>Physical and photochemical properties of ocular melanin</title>
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE·2001· 4 cited
Structural Differences in Unbleached and Mildly‐Bleached Synthetic Tyrosine‐Derived Melanins Identified by Scanning Probe Microscopies
Pigment Cell Research·2000· 34 cited
Solution Structure of Copper Ion-Induced Molecular Aggregates of Tyrosine Melanin
Biophysical Journal·1999· 93 citedOpen Access
Age-related changes of melanin in human retinal pigment epithelium
Melanoma Research·1995· 2 cited
Tunneling microscopy verification of an x-ray scattering-derived molecular model of tyrosine-based melanin
Journal of Vacuum Science & Technology B Microelectronics and Nanometer Structures Processing Measurement and Phenomena·1994· 41 cited
The fundamental unit of synthetic melanin: a verification by tunneling microscopy of X-ray scattering results
Biochimica et Biophysica Acta (BBA) - General Subjects·1994· 192 cited
The fractal structure and the dynamics of aggregation of synthetic melanin in low <i>p</i>H aqueous solutions
The Journal of Chemical Physics·1989· 26 cited
Thermal properties of melanin determined from photoacoustic techniques.
1988· 2 cited
The fluorescence quantum yield of vitamin A2
Life Sciences·1988· 15 cited
FLUORESCENCE OF MELANIN‐DEPENDENCE UPON EXCITATION WAVELENGTH AND CONCENTRATION
Photochemistry and Photobiology·1987· 104 cited
Fluorescence of Melanin.
1981· 1 cited
Melanin pigmented solar absorbing surfaces
Proc. Annu. Meet. - Am. Sect. Int. Sol. Energy Soc.; (United States)·1980· 3 cited

Frequent Co-authors

G. Zając(9), M. Eisner(7), K. Stark(3), Joseph T. Golab(3), S. C. Moss(2), Aileen E. Alvarado-Swaisgood(2), Kenneth C. Littrell(2), Tadeusz Sarna(2), Jin Q. Cheng(1), Shirley Gidanian(1), Theresa M. McIntire(1), Patrick J. Farmer(1), Sönke Seifert(1), P. Thiyagarajan(1), P. Thiyagarajan(1), Philip L. Stotter(1), J. S. Huang(1), Jaeyoung Sung(1), Andrew Tsin(1), Hugo A. Pedrozo-Fernandez(1)