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Spectroscopic and Dynamic Studies of the Epidermal Chromophores trans -Urocanic Acid and Eumelanin

โœ Scribed by Simon, John D.


Book ID
126481967
Publisher
American Chemical Society
Year
2000
Tongue
English
Weight
205 KB
Volume
33
Category
Article
ISSN
0001-4842

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UV-B radiation suppresses cell-mediated immunity. Histidine forms trans-urocanic acid (truns-UCA) enzymatically in the stratum comeum. Photoisomerization of trans-UCA to cis-urocanic acid (cis-UCA) has been proposed for the initiation of an immunosuppressive process. Many microorganisms described in