How To Use Melanin In A Sentence

However, melanin deposition in feather melanocytes has strong links with the capacity of the antioxidant and immune systems, two crucial fitness-enhancing organismic functions.
Betacarotene and kapikachhu plant extracts help stimulate melanin production. The Sun
They have measured the second-order electron transfer rate constants for reactions of dopa and c-dopa melanins with various radicals.
Within this family, it is eumelanin that corresponds to the black and brown hair shades, and phaeomelanin that corresponds to shades of red. The World's Healthiest Foods
All hair contains a mixture in varying concentration of both black-brown eumelanin and red-yellow phaeomelanin pigments, which are susceptible to differential chemical change under certain extreme burial conditions (for example wet reducing conditions, or dry oxidising conditions). Interactive Dig Hierakonpolis - Archaeological Hair

In the absence of melanin, the ascorbic acid undergoes metal-catalyzed autoxidation.
Dihydroxyindole is an important intermediate of melanin, amino - acid, biogenic base and tryptamine.
Does not contain melanin body for the flaxen hair, and gray.
Melanin is the dark brown pigment of the hair, skin and eyes which is present in varying amounts in every human being.
Even in its natural state, the melanin biopolymer contains free electrons in its conjugated structure.
The melanosomes convert tyrosine to melanin, giving skin its color.
Laveran showed that the parasites, during their development in the red blood corpuscles, destroy them; and the red pigment in the corpuscles is changed into the melanin particles mentioned above. Nobel Prize in Physiology or Medicine 1907 - Presentation Speech
It works by blocking the enzyme tyrosinase inside the melanocytes that makes melanin. Simple Skin Beauty
Melanin is the dark brown pigment of the hair, skin and eyes which is present in varying amounts in every human being.
Pink or brown, time to break with an ignoble past, and that includes breaking with reptile-brained reactions to differences in skin-melanin content or epicanthic eyelid folds.
The melanin plays an important role on animal body color formation.
It includes tyrosinase activity (melanin is synthesed from tyrosine), DOPA production (used in threatment of Parkinson disease and depression) and in many other metabolytical pathways. Just call him/her Ol’ Blue Eyes
One theory focuses on the fact that people with red hair have a different type of melanin (a skin pigment) than people with dark hair.
The color of a person’s eyes depends on the amount of a pigment called melanin present in the iris of the eye (melanin is also responsible for the coloring of our skin). The Eyes Have It
This Great Moment in Black History has been sponsored by the same old ignoramuses who still think melanin is destiny. January 2006
Betacarotene and kapikachhu plant extracts help stimulate melanin production. The Sun
Melanin comes in two types: phaeomelanin (red to yellow) and eumelanin (dark brown to black). PR.com Press Releases
The chemical substance melanin is the pigment which darkens skin color. LSD and the Third Eye
A few species of hummingbirds and European Starling are known to produce UV hues with coherently scattering melanin arrays in feather barbules.
Freckles are spots of increased pigment, produced by cells called melanocytes, which make melanin (the substance that gives skin its color).
Melanin, which provides a range of colors from gray to black, buff to red-brown and brown, provides camouflage for many birds and display colors for others.
Interestingly, the melanin in fungi is no different chemically from the melanin in our skin, leading Casadevall to speculate that melanin could be providing energy to skin cells. 2007 May - Telic Thoughts
Medaka P is strongly expressed in the eyeball of embryos and adults, where melanin is produced in the choroid membrane and retinal pigment epithelium.
When hair is produced by the reproduction of the epithelial cells comprising the follicle, newly produced melanin accumulates in the cells and colours the hair itself as it emerges from the follicle.
The gene involved makes the dark pigment-melanin-that is responsible for skin colour.
The most widespread type of melanin is responsible for skin colour; the melanocytes, deep in the epidermis, make it, and transfer it into the keratin cell layer of the skin.
Irradiation of melanin for 20 min increased the velocity of the NADH/ferricyanide coupled reaction 3-fold in comparison to that measured for non-irradiated melanin, while 40 min irradiation had an even larger effect, causing a 4-fold increase in velocity (Table 1). Chernobyl Fungus Feeds On Radiation
Purely natural plant formulation, kind geniality, validity control skin base layer the melanin is born.
Whether the conditions within the wood and plaster coffin contributed to accelerated color change, or whether this individual naturally had more phaeomelanin pigmentation in his hair is hard to say without further analysis. Interactive Dig Hierakonpolis - Archaeological Hair
Galanin, cocaine and amphetamine regulated transcript peptide (CART) and melanin concentrating hormone (MCH), etc. , which were related to the regulation of appetite, were expressed in pituitary.
MLH ... true albino fish do have pink eyes, but sometimes what makes fish look albino is a melanin deficiency. Would You Keep an Albino Gamefish?
Skin colour follows this pattern, with darker skins, produced by higher levels of melanin, acting as a compensatory mechanism to reduce the effect of high levels of solar radiation on the skin.
He proposed that dogs which were ee would produce pheomelanin coat colors such as yellow, gold, apricot, or red and that dogs which were black or brown always had one E allele.
Interestingly, the melanin in fungi is no different chemically from the melanin in our skin, leading Casadevall to speculate that melanin could be providing energy to skin cells. 2007 May - Telic Thoughts
They have pink eyes and the albinism is caused by a melanin deficiency. New Office Dilemma
Striae albae the white, shiny scars, can be repigmented with an excimer laser, which emits UVB light that stimulates melanocytes to make more melanin in that area. Simple Skin Beauty
The amount of melanin in the cortex of each hair determines its color.
If you change a gene involved in melanin synthesis only expressed in the hair, you can change the hair color with no fuss. Matthew Yglesias » Height Versus Height
Melanin producing cells in our bodies are activated by ultraviolet light from the sun and can have a protective effect.
The melanin is eventually discharged from melanocytes and taken up by keratinocytes. Real Sun Tan Without the Danger | Impact Lab
Melanin is the dark brown pigment of the hair, skin and eyes.
The body normally converts the amino acid tyrosine into the pigment melanin.
If plants can use the green pigment, chlorophyll, to absorb energy from the Sun and produce a usable form of chemical energy, they reasoned, fungi might be able to use their melanin pigment and radiation energy in a similar way. Radiation-Seeking Fungus « Isegoria
His sickly white skin busied itself with actively resisting the urge to create melanin, so as to not contrast with his tightly cropped flaxen hair. Superhero Nation: how to write superhero novels and comic books » Other things about your characters that rarely matter
Melanin is the dark brown pigment of the hair, skin and eyes which is present in varying amounts in every human being.
Eumelanin determines the range from blonde to black. The old gray hair, she ain’t what she used to be
Melanin is the dark brown pigment of the hair, skin and eyes which is present in varying amounts in every human being.
Melanin pigment, associated with melanocytes, is more typically leptomeningeal based, particularly in the ventral medulla and cervical spinal cord regions.
It is assumed that people with dark eyes also have more melanin in the inner ear than those with light eyes, and melanin causes the retention of ototoxic derivatives within the cochlea.
For some years it was assumed that nothing like intermedin existed in mammals, but in 1955 biochemists at the University of Oregon were able to isolate from the mammalian pituitary a hormone that stimulated the activity of the melanocytes (mel'uh-noh-sites), which are the cells that produce the skin pigment melanin. The Human Brain
The relationship between hydrogen peroxide-treated melanin and its biochemistry and photochemistry is important.
Melanin is the dark brown pigment of the hair, skin and eyes which is present in varying amounts in every human being.
It is an incurable congenital condition, due in its total form to absence of the enzyme tyrosinase, which is required for melanin to be synthesized in specialized cells - the melanocytes.
Until now, melanin's biological role in fungi – if any – had been a mystery. 2007 May - Telic Thoughts
Your exact hair colour is determined by how much of two pigments, eumelanin and phomelanin, are present. The old gray hair, she ain’t what she used to be
The phaemelanosomes are rod-like and produce phaeomelanin, a reddish-brown or yellow pigment, while the eumelanosomes are more spherical in shape and produce black-grey eumelanin. ScienceBlogs Channel : Life Science
Efficacies: It moisturizes the skin effectively to balance the PH value, diminish the melanin, activate the cellular metabolism and exfoliate the aged keratose.
Melanin is the dark brown pigment of the hair, skin and eyes.
Ali, who trains blacks in a new science he developed that teaches them how they can use their 'distinctive' eumelanin to reradiate ultraviolet light and focus it on whites for the purpose of giving whites skin cancers carcinomas, sarcomas and melanomas, visited Cincinnati to champion Webster and to institute a branch of his science here in the city. Is Aaron McGruder Done With Boondocks
There are two different melanins found in human hair, eumelanin and pheomelanin.
Melanin comes in TWO delicious flavours: eumelanin, which is dark brown or black, and pheomelanin, which is reddish yellow. Archive 2009-02-01
It actually helps block an enzyme called tyrosinase which is needed to make melanin. Epinions Recent Content for Home
Importantly, phaeomelanin is much more stable to environmental conditions than eumelanin, hence the reactions occurring in the burial environment favor the preservation of phaeomelanin, revealing and enhancing the red/yellow color of hairs containing this pigment. Interactive Dig Hierakonpolis - Archaeological Hair
Even if there are âintelligenceâ genes, they are not going to travel (chromosomally) with a non-existent race gene, and very very unlikely to travel with a gene like melanin-production (empirical question...although I think this too has been answered with genetic epidemiology studies about interâ and intra-continental variance). The Volokh Conspiracy » 1. Science, Faith, and Not Ruling Out Possibilities
Melanin is the dark brown pigment of the hair, skin and eyes.
Since dopa is a precursor for cuticle formation and melanin biosynthesis, genes involved in monoamine metabolism also have pleiotropic effects on scleratization and pigmentation.
One learns also that the fact that these colored multitudes have a bit more of that substance known as melanin running through their veins is no reason to believe that they constitute inferior breeds, heathen beyond the law. Wide, Wide World
Melanin is the dark brown pigment of the hair, skin and eyes.
Molecular chromophores besides melanin abound in the skin and include keratin, collagen, elastin, proteins, lipids, steroids and urocanic acid to name a few.
Lasers with wavelengths of 600-1100 nm (such as the ruby, alexandrite, and diode) penetrate deeply and are absorbed by eumelanin in the hair shaft and follicle, which is thought to be the target chromophore.
Your hair colour is basically determined by how much of two pigments, eumelanin and phomelanin, you have in your hair. What's up (scientifically) with hair?
The two most common types of melanin found in modern birds are eumelanin, associated with black and grey feathers, and phaeomelanin, found in reddish brown to yellow feathers. National Geographic News
The normal response to solar radiation is an increase in melanin production, which causes uniform tanning in most persons but leads to freckling in some.
The same principle is being used in human studies that employ short laser pulses to target pigmented cells containing endogenous melanin particles.
Hydrogen peroxide attacks an enzyme called tyrosinase, which starts the production of melanin. COSMOS magazine - The science of everything
If lack of melanin doesn't disqualify Olsson than perhaps mentality should; when Olsson uses the word "outsider" to describe himself he assumes this is a novel way of approaching black culture, despite the fact that this voyeuristic way of documenting is a favorite for white American filmmakers Hoop Dreams, Waiting for Superman... Naima Ramos-Chapman: 'The Black Power Mixtape': Who's Telling You Your Stories?
The color of a person's hair is determined by the amount and distribution of melanin in the cortex of each hair (the same melanin that's found in the epidermis).
One of the interesting properties of melanins is their ability to sequester metal ions.
The scientists found that a peptide active in the hypothalamus called melanin-concentrating hormone or MCH can inactivate the reproductive system in times of hunger. Health News from Medical News Today
Though melanin is typically associated with ‘protective’ properties – absorbing and safely transforming different electromagnetic wavelengths, such as DNA-damaging ultraviolet light – the researchers had an inkling that a more extraordinary phenomenon was allowing the fungi to prosper; something still involving the combination of melanin and radiation, but beyond the bounds of radioactive protection. Radiation-Seeking Fungus « Isegoria
It is believed that the formation of melanin is regulated by aldosterone, which is the most active mineralocorticoid hormone secreted by the adrenal cortex.
The majority of studies on melanin ornaments cited in Table 1 measured only the size of discrete patches of melanic feathers.
Ali, who trains blacks in a new science he developed that teaches them how they can use their 'distinctive' eumelanin to reradiate ultraviolet light and focus it on whites for the purpose of giving whites skin cancers carcinomas, sarcomas and melanomas, visited Cincinnati to champion Webster and to institute a branch of his science here in the city. Is Aaron McGruder Done With Boondocks
Melanin is the dark brown pigment of the hair, skin and eyes which is present in varying amounts in every human being.
Pure albinism is caused by a shortage of melanin pigment. Times, Sunday Times
Melanin is the dark brown pigment of the hair, skin and eyes which is present in varying amounts in every human being.
In a xanthic albino the process of making melanin has been interrupted.
The redshift in the absorption spectrum reflects electronic interactions between the porphyrin and the melanins.
Fig 2 shows the chemical analysis of melanins from dorsal midline fur of adult agouti mutant mice.
The genes that code for lots of eumelanin and not much phomelanin are generally dominant, and so the default for humans around the world is brown hair (and brown eyes, for much the same reason). What's up (scientifically) with hair?
Phomelanin determines how red your hair is: the more the redder. What's up (scientifically) with hair?
These results are encouraging for other potential applications of melanin, including radioprotection of other radiation-sensitive tissues, such as the gastrointestinal tract," noted Andrew Schweitzer, M.D., formerly a Howard Hughes Medical Institute fellow at Einstein and lead author of the study. PhysOrg.com - latest science and technology news stories
When the skin is exposed to sunshine, it produces a brown pigment called melanin.
Albinism affects the production of melanin, which gives pigmentation in animals. Times, Sunday Times
Hair's colour comes from melanin, produced from melanocyte cells at the base of hair follicles. Times, Sunday Times
Melanin is the dark brown pigment of the hair, skin and eyes which is present in varying amounts in every human being.
Without melanin in albinos ' eyes, the blood vessels are visible, so the eyes are pink.
Plumage color of homozygous birds varies from slaty blue to beige depending on the relative abundance of eumelanin and pheomelanin in the feathers.
Even if there are âintelligenceâ genes, they are not going to travel (chromosomally) with a non-existent race gene, and very very unlikely to travel with a gene like melanin-production (empirical question ... although I think this too has been answered with genetic epidemiology studies about interâ and intra-continental variance). The Volokh Conspiracy » 1. Science, Faith, and Not Ruling Out Possibilities
Melanotan works by boosting melanin, the skin pigment that makes us brown and protects us against skin cancer.
Histochemical stains confirmed the presence of melanin, since brown pigment removable by permanganate bleaching was demonstrated by Fontana-Masson stain.
Pink or brown, time to break with an ignoble past, and that includes breaking with reptile-brained reactions to differences in skin-melanin content or epicanthic eyelid folds.
The strongly iridescent colors of bird feathers are produced by arrays of melanin granules in the barbules of feathers.
Melanin is the dark brown pigment of the hair, skin and eyes which is present in varying amounts in every human being.
This treatment uses a radiation-emitting isotope "piggybacked" onto an antibody that binds to melanin. PhysOrg.com - latest science and technology news stories
This iatrogenic hyperpigmentation is associated with lipofuscin rather than melanin deposits.
The material being targeted by the laser beam is called melanin, which is a pigment found in the skin, and which gives skin and hair its color. Undefined
What determines how much melanin is present in the iris ishereditary genetics. The Eyes Have It
Skin tone is created by special cells that produce different types of melanin, such as eumelanin, which are naturally occurring pigments that absorb ultraviolet radiation and release it as heat, protecting the body from its harmful effects. Sharon Moalem: Mr. Tall Dark and Handsome
Dark skin races are largely protected by pigment, known as melanin, which largely blocks long-wave ultraviolet radiation. Samuel S. Epstein: How to Sunbathe Safely
Histochemical stains for iron and melanin (Fontana-Masson with and without permanganate bleaching) were also reviewed.

How To Use Melanin In A Sentence

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