Sentences with phrase «which colored pigments»

Encaustic painting, also known as hot - wax painting, involves using heated beeswax to which colored pigments are added.

As it is of the nature of paintings to be flat objects with canvas surfaces onto which colored pigment is applied, such things as figuration, 3 - D perspective illusion and references to external subject matter were all found to be extraneous to the essence of painting, and ought to be removed.

Not exact matches

Sunflower seeds are also a good source of copper which makes melanin, a pigment protein that helps give your skin and hair their color.

The color of our eggs is a deep and rich orange, which means that the chickens had access to pigment rich food sources (not just soy, grain, etc. typically fed to factory raised chickens).

Usually I'll add at least 3 - 4 cups of kale or spinach (or both) into my morning smoothie which turns a weird purplish gray color because blending purple and green obviously produce a weird pigment.

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.

The colors are highly pigmented which is why they work best on all skin types.

Lyra Waldorf Pencils are artisan - quality watercolor pencils with a wide array of color options using fine pigmented dyes that work to create brilliant color variations, which are long lasting and non-soluble.

According to WebMD, There are two main categories of birth marks: red birth marks, which take their color from blood vessels and may even appear shortly after birth, and pigmented birth marks, which are always present at birth.

It's possible for them to change depending on the amount of melanin, which refers to the pigments of color the skin cells produce.

Those first few bowel movements contain amniotic fluid, bile pigments, fatty acids and intrauterine debris, all of which make for strange colored diapers.

Brown algae (class Phaeophyceae), which include kelps and rockweeds, have a third, brown accessory pigment that, when combined in different amounts with the green chlorophyll, creates their array of colors.

Ochre, which ranges in color from yellow to deep purple, has been favored by humans longer than any other pigment.

This gene, which controls the amount of melanin pigment produced, accounts for about 74 percent of the total variation in people's eye color.

It arises from mutations affecting cells, called melanocytes, that produce the pigment melanin, which gives color to those body parts.

Unlike feathers of other colors, which are pigmented, bright blue feathers, like these on the vulturine guineafowl, are the result of nanoscale structures in the feather barbs.

Unlike pigments, which create color by absorbing some wavelengths of light and reflecting the rest, the nanostructures are shaped so that they physically bend and scatter light in different directions, sending particular colors back to our eyes.

But in recent years, scientists have developed high - tech methods to map the chemical traces of soft tissues in the rocks surrounding fossils, which in turn have helped them visualize the remains of pigments — almost literally bringing prehistoric colors back to life.

The yellow section, which has small, interlocking protrusions about 50 nanometers high, also absorbs light — and the researchers showed that xanthoperin, the pigment that gives it its yellow color, can be used to convert light into electricity.

When he first saw an exceptionally well - preserved specimen of Psittacosaurus in Germany in 2009, which included multiple areas of dark pigment, Vinther says his reaction was: «Holy cow, this thing has beautiful color patterns.»

Structural colors are a longer - lasting alternative to chemical pigments, which lose all pizazz when they break down.

Uveal melanoma (which is biologically distinct from skin melanoma) arises from the uvea's melanocytes, the pigment cells that give the eye its color.

This plant pigment, which gives the tomato its red color, is also an antioxidant that has been linked in some studies to reduced incidence of heart disease and prostate cancer.

As a new hair grows, some melanocyte stem cells become melanocytes, which give the strand its color, while others remain stem cells and store pigment for the next generation of hair.

Evolutionary Edge A pigment called xanthopterin, which gives the hornet's abdominal stripes their yellow color, may power a biological heat pump to keep the hornet cool.

They found the biggest difference in the genes that make pigment, which are active in the skin tissue and control feather color.

Petal color for both flowers is heavily influenced by a gene known as YUP, which permits or prevents the deposition of yellow pigments.

Dr. Pandya served as co-editor of the recently - published Dermatology Atlas for Skin of Color, which includes 50 chapters, more than 400 images, and concise discussions to address the presentation of common skin disorders in pigmented patients.

Shortly afterwards, a team led by paleontologist Derek Briggs of Yale University showed for the first time that cellular structures called melanosomes, which contain the melanin pigments that give color to skin and hair in humans and plumage in birds, can be preserved in fossil feathers.

Using a slew of molecular techniques, the team identified the color - stealing culprit in white grapes as a mobile fragment of DNA, called a retrotransposon, which inserts itself into the gene controlling pigment production.

They first pooled together information about colors in related modern snake species in the same family, Colubridae (which contains 70 % of all known snakes): specifically, which combinations of pigment cells produce which colors.

According to that notion, dark - colored birds could better rid themselves of the noxious substances, which bind to the pigments during feather growth and are thus removed from the bloodstream.

«After seeing the lead map from the XRF scanning, we were able to make a map of pigment lead white, which, when overlaid with the false color infrared, gives a more complete image of an upstretched arm, sleeve, disk and fingers,» Delaney said.

To maximize energy absorption for photosynthesis, especially when the suns have vastly different colors or if at least one of the suns is dim, plants — or, more correctly, their extraterrestrial analogs — may use one or more types of light - absorbing pigments that absorb across a broad range of wavelengths, which would tend to make the plant appear black or gray (main image).

The key to these makeovers are special pigment - containing cells called chromatophores, which, when activated by light, can spread their pigments out or bunch them up to change the skin's overall color or pattern.

Lycopene is the pigment that gives tomatoes their red coloring and which is also suggested to inhibit degenerative diseases such as cancer and heart disease.

Insider tip: Take note: The bronze hues (which flatter all skin tones) are the kind of visual jolt that will send you running for a directional new lip color or dipping into a pot of reflective sheet metal pigment.

I'm so happy it's summer so I can enjoy some of my favorite fruits - cherries and blackberries Cherries Cherries are rich in anthocyanins, a plant pigment that gives them their dark red color - which act as antioxidants, protection us from... [Read more...]

The power of carrots lies in the group of pigments called carotenoids (beta - carotene is among this group), which give them their orange color.»

The beet's brilliant scarlet color is a testament to its high levels of beta - carotene, so you also get a large helping of this antioxidant plant pigment, which helps to scavenge destructive free radicals.

It belongs to a group of plant pigments (flavonoids), which give fruits, flowers, and vegetables their color.

I have very fine skin — I wear the 05 Buff color in the Phyto - Pigments Serum Foundation (which I LOVE, by the way)-- but even for my skin this powder looks terrible.

We chose just four ingredients to create our pigmented mineral powders: zinc oxide, titanium dioxide, iron oxide, which is water resistant and provides the color, and mica, to add radiance.

If you take a moment to think back to your high school Biology class, you may remember that chlorophyll is the pigment which lends its green color to a variety of plants and algae.

It's masked by the green pigment in chlorophyll — which contributes more than mere coloring; it may be a powerful weapon against cancer.

The Hass fruit also provides flavonoids and carotenoids that are types of phytonutrients which protect plants and are responsible for providing them with pigments and vibrant color.

Achiote seeds are particularly rich in a orange - red colored pigment called bixin, which is present at levels as high as 80 %, but they also contain orellin, which is a yellow pigment.

They are natural pigments, which give yellow, red or blue color to fruits and vegetables.

Carotenoids are the mainly - yellow, orange & red fat - soluble pigments (such as carotene) which give color to plant parts (like carrots, sweet potatoes, ripe tomatoes and autumn leaves).

Berry colors are due to natural plant pigments, many of which are polyphenols such as the flavonoids, anthocyanins, and tannins localized mainly in berry skins and seeds.