porphyrin

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Related to Porphyrins: porphyria, Apolipoproteins

por·phy·rin

 (pôr′fə-rĭn)
n.
Any of various organic compounds containing four pyrrole rings, occurring universally in protoplasm, and functioning as a metal-binding cofactor in hemoglobin, chlorophyll, and certain enzymes.

[Greek porphurā, purple dye, purple garment; see purple + -in.]

porphyrin

(ˈpɔːfɪrɪn)
n
(Biochemistry) any of a group of pigments occurring widely in animal and plant tissues and having a heterocyclic structure formed from four pyrrole rings linked by four methylene groups
[C20: from Greek porphura purple, referring to its colour]

por•phy•rin

(ˈpɔr fə rɪn)

n.
a dark red, photosensitive pigment consisting of four pyrrole rings linked by single carbon atoms: a component of chlorophyll, heme, and vitamin B12.
[1905–10; < Greek porphýr(a) purple]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.porphyrin - any of various pigments distributed widely in living tissues
pigment - dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)
Translations

por·phy·rin

n. porfirina, compuesto que ocurre en el protoplasma y que es la base de los pigmentos respiratorios en los animales y las plantas.
References in periodicals archive ?
Porphyrins cause skin inflammation, leading to pimples.
is a specialty chemical developer and manufacturer of boronic acids, trifluoroborates, catalysts, porphyrins, small molecule drug discovery compounds, and custom compound synthesis for pharmaceutical and industrial applications.
Porphyrins, a group of photosensitizers, appear to be particularly promising photoinsecticides because they absorb essentially all the wavelengths of the solar spectrum.
In addition to the usual nanotubes, fullerenes, and graphenes, substantial discussion is given to porphyrins, phthalocyanines, and monolayers.
Biochemical analyses of urinary porphobilinogen and porphyrins (fecal porphyrins and plasma porphyrins) can provide the diagnosis of AIP in symptomatic patients, but genetic testing for a defect in the HMBS gene (1) is required to accurately identify asymptomatic affected family members, who can then be counseled on the lifestyle modifications required to limit the risk of attacks.
The system uses a combination of Photothermal Radiometry and Luminescence Technology (PTR-LUM), to identify and measure tooth decay, a technology directly linked to the status of the tooth's crystal structure and not bacterial porphyrins.
VISIA analysis works by using a multi-spectral imaging and analysis to capture key visual information on eight areas affecting complexion health and appearance: spots, wrinkles, color variation in the skin tone, pores, sun damage, subsurface pigmentation, vascular conditions, and porphyrins (evidence of bacteria in pores).
Much of Dayan's work focuses on a class of ring-shaped pigment molecules known as porphyrins (pronounced POR-fer-ins) that "bind" or react with different metals and perform vital functions in both plants and animals.
Archaeal cholesterol catabolism can generate porphyrins via the cholesterol ring oxidase generated pyruvate and GABA shunt pathway.
vitamin B12; Hisaeda & Shimakoshi 2010), cobalt porphyrins (Alonso et al.
At the same time, the porphyrins become fluorescent, allowing researchers