Search results
Results From The WOW.Com Content Network
The dark markings on both birds are due to the black pigment eumelanin. Biological pigments, also known simply as pigments or biochromes, [ 1] are substances produced by living organisms that have a color resulting from selective color absorption. Biological pigments include plant pigments and flower pigments.
A photosynthetic pigment ( accessory pigment; chloroplast pigment; antenna pigment) is a pigment that is present in chloroplasts or photosynthetic bacteria and captures the light energy necessary for photosynthesis . List of photosynthetic pigments (in order of increasing polarity): Chlorophyll a is the most common of the six, present in every ...
Purple pigments. Aluminum pigments. Ultramarine violet (PV15): a synthetic or naturally occurring sulfur containing silicate mineral. Copper pigments. Han purple: BaCuSi 2 O 6. Cobalt pigments. Cobalt violet (PV14): Co 3 (PO 4) 2. Manganese pigments. Manganese violet: NH 4 MnP 2 O 7 (PV16) manganic ammonium pyrophosphate.
Dye. Drying colored cloth. Chemical structure of indigo dye, the blue coloration of blue jeans. Although once extracted from plants, indigo dye is now almost exclusively synthesized industrially. [ 1] A dye is a colored substance that chemically bonds to the substrate to which it is being applied. This distinguishes dyes from pigments which do ...
6782. FMA. 58627. Anatomical terminology. [ edit on Wikidata] The pigmented layer of retina or retinal pigment epithelium ( RPE) is the pigmented cell layer just outside the neurosensory retina that nourishes retinal visual cells, and is firmly attached to the underlying choroid and overlying retinal visual cells. [ 1][ 2]
Alizarin, the red dye present in madder, was the first natural pigment to be duplicated synthetically, in 1869, [67] leading to the collapse of the market for naturally grown madder. [22] The development of new, strongly colored aniline dyes followed quickly: a range of reddish-purples, blues, violets, greens and reds became available by 1880.
Photopigments are unstable pigments that undergo a chemical change when they absorb light. The term is generally applied to the non-protein chromophore moiety of photosensitive chromoproteins, such as the pigments involved in photosynthesis and photoreception. In medical terminology, "photopigment" commonly refers to the photoreceptor proteins ...
Pages in category "Biological pigments" The following 55 pages are in this category, out of 55 total. This list may not reflect recent changes. A. Anthochlor pigments;