melanin的意思|melanin的解释-里氏词典

melanin ['melәnin]

n. 黑色素

[化] 黑素

[医] 黑[色]素

melanin

[ noun ]
insoluble pigments that account for the color of e.g. skin and scales and feathers
<noun.substance>

Melanin \Mel"a*nin\, n. [Gr. me`las, me`lanos, black.]
(Physiol.)
A black pigment found in the pigment-bearing cells of the
skin (particularly in the skin of the negro), in the
epithelial cells of the external layer of the retina (then
called {fuscin}), in the outer layer of the choroid, and
elsewhere. It is supposed to be derived from the
decomposition of hemoglobin.

"One unexpected finding was that even the color of television images is enhanced" when viewed through melanin glass, Mr. Gallas says.
Although chemists have been able to synthesize melanin for some years, it is insoluble and sticky and, thus, hasn't been incorporated into commercially usable formulations.
Now, scientists say they are on to the ultimate tonic, one derived from the body's own chemistry and one that, when harnessed, may prove the most potent sun protection of all: melanin.
Biosource Genetics also wants to patent the process to help make melanin, a natural skin pigment that might be used as a more effective sunscreen to prevent skin cancer from ultraviolet sunlight.
"The melanin in the skin of children of African descent bonds with narcotics and causes the addiction," Sanford, who is black, said at a Wednesday night meeting of the board.
The optical products company has signed a licensing agreement with Photoprotective Technologies Inc., a closely held firm in San Antonio, Texas, which has developed a method to incorporate the synthetic melanin into plastic lenses.
The transparent, melanin-containing sponges are tiny - -about the same size as the microscopic dots of melanin found inside the skin's melanin-producing cells.
Light-skinned people are able to produce as much melanin as dark-skinned people but it is a different type, and leaves them more susceptible to skin cancer.
Sanford, a retired elementary school teacher from Brooklyn, told the Post she learned of the possible link between melanin and drugs from K-M WR Science Consortium, a "new age" study group.

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