Vitiligo on the penis occurs when patches of skin change color, just as they can on other parts of the body. These melanin (skin pigment) changes occur in about 1% of the United States population, ...

Department of Chemistry, Cancer Center at Illinois and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana−Champaign, Urbana, 61801 Illinois United States ...

"The zebrafish are transparent at their larval stage, and that allows us to quantify and visualize the porphyrin, which is fluorescent," said Ning Kuo, the first author of the study who worked ...

The researchers dubbed their iron porphyrin complex hemoCD and it was found to bind hydrogen sulfide and break it down into nontoxic sulfite and sulfate ions following radical reactions with oxygen.

Some dogs — especially small breeds with short noses and shallow eye sockets — produce a lot of tears. When those tears don't drain properly, they sit on the fur, creating the perfect environment for ...

Back at the beginning of December, I read an article about how Chicago-based artist and architect Amanda Williams had revived the process George Washington Carver used to produce a blue pigment ...

THE average physician confronted with the subject of porphyrin metabolism pictures either a bewilderingly complex group of strange pigments obtained from stools and urine or an exceedingly rare ...

Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford OX1 3TA, U.K. Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám. 542 ...

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