Sentences with phrase «contain pigments»

These are specialised cells that contain pigments that absorb light, and there are two types of receptors: cones and rods.
These proteins are called shell - binding proteins by scientists, because they help hold the components of the shell together.They also contain pigments, such as those responsible for the reddish - brown appearance of the Ecphora shell.
For example, some bacteria and algae contain pigments that utilize more of the solar spectrum than plant pigments do.
However, they may contain pigments, biocides, and fungicides.
Uveal collectively refers to parts of the eye, notably the iris, that contain pigment cells.
Bella et al. show that coating the cells with a water - proof fluorinated polymer that contains pigments to absorb ultraviolet light and re-emit it in the visible range can boost cell efficiency and limit photodegradation.
The cortical cells are fibrous and contain pigment granules of varying darkness that give hair strands their natural color.
Paints containing these pigments can dissolve or rub off when a painting is cleaned — making it important for art conservators to find out the exact chemistry of a painting before they begin working on it.
An international team of scientists studying the dinosaur, called Caihong juji, made the discovery by carefully analyzing tiny melanosomes, the part of the cells that contain pigment, in the fossil, which turned up dramatic evidence of the dinosaur's flamboyant plumage.
The signals can be localized in the brain and translated into digital images that portray neural activity level as a ratio of oxygenated to de-oxygenated hemoglobin, the iron - containing pigment in red blood cells.
This collection, assembled and maintained by Dr. Lynn Lamoreux while at Texas A&M University, contains pigment mutant mouse strains, virtually all as congenic strains on a C57BL / 6 background.
The resulting «all in one» liquid nutritional supplement contains a blend of carbohydrates, protein and fat, along with vital micronutrients, omega - 3 fatty acids, carotenoids (natural plant - contained pigments with antioxidant capacities) and amino acids known to independently improve critical performance factors such as executive function, reaction time, aerobic endurance and muscle strength.
Tomatoes contain a pigment called lycopene that is responsible for their red colour but is also a powerful antioxidant.
White color in a dog's coat is due to hair that does not contain any pigment.
Liz Jaff «s work contains no pigment — it's just paper, but her simple and elegant works reminded me of fields of wild flowers.
Inspired by an exhibition of illuminated manuscripts at the Fitzwilliam Museum, which included a vitrine containing the pigments used to create them, he has recently begun to make his own paints, the results of which can be seen in these paintings on linen and painted works on paper.
An entire room is given over to Elmgreen & Dragset's 2015 work Side Effects, an installation in which vases containing the pigment used in HIV medicine pills are arranged around the space like graves.
The forensics report, done by Peter Paul Biro, said that the paint on the alleged Pollock contained no pigments or binding that was introduced after Pollock's death.
Its eye includes two different kinds of ommatidium; each contains nine light sensitive cells, of which seven contain a pigment whose absorption spectrum peaks in the green part of the spectrum, but in one type the remaining two receptors have peak absorption in the blue and in the other type they have peak reception in the ultra violet.

Not exact matches

Its stunning blue pigment contains both phycocyanin (PC) and non-PC...
With ink, there are a myriad of pigments which can contain heavy metals and evil binders.
Sweet potatoes contain a wealth of orange - hued carotenoid pigments.
Quinoa contains large amounts of flavonoids (plant pigments / antioxidants), including Quercetin.
Its stunning blue pigment contains both phycocyanin (PC) and non-PC compounds.
Blood oranges red pigment contains anthocyanins, a «Super Antioxidant» which is what gives the color to fruits, plants and vegetables like berries and red wine.
Ink used in tattoos can contain synthetic or natural pigments.
It contains a blend of light shine oils and concentrated pigments for clear, luminous color.
These contain carotenoid pigments, critical for macular function, and can be helpful in preventing eye disease.
UNITY BluTech lenses contain two natural blue - filtering properties that are found in the human eye: Ocular Lens Pigment and Melanin.
Vellus hairs are finer and shorter, contain little or no pigment and they don't have oil glands.
These birthmarks can vary considerably in size but are all flat areas of skin that contain extra pigment, which causes them to appear brown, gray, or even blue (like a bruise).
Those first few bowel movements contain amniotic fluid, bile pigments, fatty acids and intrauterine debris, all of which make for strange colored diapers.
Those artifacts consist of pigment - stained seashells with artificial holes, presumably for use as necklaces, and seashells containing remnants of pigment mixtures, say geochronologist Dirk Hoffmann of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, and colleagues.
Retinal cells contain three yellow pigments — lutein, zeaxanthin and meso - zeaxanthin — which absorb near - ultraviolet light, protecting the eye from its damaging effects and reducing glare.
A large trial of supplements is due to finish in July, but a smaller one, in which 36 people took a pill containing all three pigments every day for six months, has already yielded positive results.
The back surface of the iris contains the most melanin, although this pigment is also found just below its anterior surface and...
Based on this the team has produced a «high risk» map showing regions of the painting that contain light - sensitive pigments that need to be monitored closely and protected from light exposure.
These ipRGCs, which contain melanopsin (another type of light - sensitive pigment), do not have roles in image formation but are important for the regulation of circadian rhythms.
The researchers collected and chemically analyzed feathers from nearly 10,000 extant bird species and found that 40 % of all bird species» plumage contains the carotenoid pigment — 25 % more than previously predicted.
The study, published in Scientific Reports, looks at fossilized organelles (called melanosomes) that contain melanin, a type of pigment that suggests a color scheme for the birdlike dinosaur: gray feathers on its body, a reddish mohawk down the center of its head, and white feathers with black tips that line the creature's wings and legs.
But, scientists were given a clue when it was noted that women sometimes develop darker skin pigment on their face when taking birth control pills which contain only derivatives of the hormones estrogen and progesterone.
The rod outer segment is made up of stacked discs each containing many types of proteins, in particular rhodopsin, a light - sensitive pigment.
It does not have eyes or pigment, but it has a shovel - shaped head and well - developed sensory papillae, which contain its taste buds.
«We are extraordinarily lucky that each of the main pigment forms of melanin is contained in a different shaped organelle,» Benton said at a briefing yesterday.
These organelles contain melanin, a group of pigment compounds in skin, fur, and feathers.
In a further experiment, he mixed two droplets of liquid with different pH values, one alkaline and the other acidic; the resulting droplet contained a fluorescent pigment that glows only at a neutral pH value.
The ragworm's brain photoreceptor contains an opsin pigment that is almost identical to the human version.
Like cyanobacteria, they contain phycobilin pigments as well as various forms of chlorophyll.
The anode featured in this latest study is made up of a blend of elements — including manganese, carbon and nitrogen — that is chemically similar to the formula of the iron - containing paint pigment known as Prussian blue.
Scientists already knew that stem cells contained in a bulge area of hair follicles are involved in making hair and that SCF is important for pigmented cells, said Dr. Le, a member of the Hamon Center for Regenerative Science and Medicine.
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