These beads even bore traces of red ochre, used as a pigment.
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In 2011, an article in the same journal from a team led by the University of Antwerp's Koen Janssens reported that a pigment Van Gogh favoured called chrome yellow degraded when other, chromium-containing pigments were present.
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The new work was begun during a conservation treatment in 2009, when conservators found that the yellows in Flowers In A Blue Vase - this time from a pigment called cadmium yellow - had turned greyish and cracked.
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The white of his expansive tabletops in paintings like "The Table" and "The White Table Cloth" resembles an emission of light rather than a pigment, so the haphazardly strewn plates and baskets appear to be floating or suspended in space.
Beta carotene is a type of carotenoid, a plant pigment that is a provitamin for vitamin A. During its digestion and metabolism, a percentage is converted to vitamin A, a fat-soluble vitamin that is important for vision, growth and development, and healthy immune and reproductive function.
This causes chlorophyll (a green pigment) to return to the orange skins imbuing them with a greenish or yellowish finish as they ripen.
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The conglomerate makes a wide variety of products, from body armor to a whitening pigment called titanium dioxide.
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Zinc is also important for die-casting, galvanizing and rubber making and can be used as a paint pigment, wood preservative and agricultural fungicide.
Less than fondly, he recalls a late-1980s visit to a French pigment factory where the air was thick with powder laced (he suspects) with toxic heavy metals.
The original Chubby Stick is a tinted lip balm, with less pigment than a regular lipstick and requiring less-precise application.
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For those he used lead white, a traditional oil pigment he reckoned would show up in an x-ray due to the heavy metal content.
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Samsung keeps updating its SlimFit CRT lineup, this time with the 93 series, all of them 16-inches deep, with a "nano pigment " screen for deeper colors and contrasts and side mounted speakers.
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Researchers have spoken in the past of trying to detect a marker for chlorophyll, the pigment in plants that plays a critical role in photosynthesis.
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Although the lenses are fixed in shape, they are connected via a network of fluid-filled channels, containing a light-absorbing pigment.
He built up the pigment into a thick mask of impasto, fusing the colors by blotting the paint with sheets of newspaper.
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When an electric field is applied to a microcapsule, the pigment particles within it move, turning one side of the capsule white and the other black.
One maalem (or master craftsman), in particular, opened many doors for the decorator: Ma'alem Houman, who was skilled in the brickwork and tadelakt (a glazed plaster mixed with pigment and soap) that Willis brought out of the hammam (or bathhouse) and into Moorish interiors.
If you want something that has a high coverage capability, a very strong, durable white pigment, titanium dioxide is your choice.
Mr Lassalle began his fast in March, sitting almost daily on a sofa in an ornate room of the National Assembly in Paris, to protest against what he considered to be a relocation plan by Toyal, a Japanese-owned manufacturer of aluminium pigment.
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Although he cannot definitely rule out a direct effect by the pollution on the birds' metabolism of the yellow pigment, or its incorporation into their feathers, the correlation between a shortage of caterpillars and faded plumage is strong evidence of a link between pollution, diet and bird colour.
Albinism is a genetic condition that leads to little or no pigment in the eyes, skin and hair.
Though the labeling does not explain how the works are made, some reliefs appear to be molded, others incised, then painted by applying pigment directly onto the clay or on a base coat of lime or other material.
Melanoma, a cancer of the skin's melanocytes, or pigment cells, hits 60, 000 Americans each year and kills 8, 000 of them.
The FDA also issued a warning, calling on tattoo artists, ink and pigment manufacturers, public health officials, and health care professionals, as well as consumers, to become educated.
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If the environment being spread through is an animal embryo and the reagents are hormones that trigger the differentiation of the body's pigment-producing cells, the upshot is a distinct pattern of pigmentation.
If the tournament pairings were posted in a bracket form, Murray said, they probably would have been painted with pigment on scrolls, placards or walls and wouldn't have survived.
So the state of Rhode Island, with lead paint in 60% of its 415, 000 homes (the national average is 25%), changed tactics and brought a public nuisance case against Sherwin and two other past producers of lead-paint pigment.
To prove it worked, he started with a strain of the E. coli bacterium that produced small quantities of lycopene, the pigment that makes tomatoes red.
In electrophoretic displays, tiny white and black pigment particles are given opposite electrical charges and encapsulated in microcapsules of about the diameter of a human hair.
Intriguingly, that did not apply to birds that used melanin, another pigment, in their plumage, nor to those that employed iridescence which is a result of the structure of feathers, rather than their chemistry.
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