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Porphyrin - Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/Porphyrin

Porphyrins are often used to construct structures in supramolecular chemistry. These systems take advantage of the Lewis acidity of the metal, typically zinc.

Porphyrin Tests: The Test

https://labtestsonline.org/understanding/analytes/porphyrins/tab/test

Describes how porphyrin tests are used, when porphyrin tests are ordered, and what the results of a porphyrin test might mean

Porphyrin | definition of porphyrin by Medical dictionary

medical-dictionary.thefreedictionary.com/porphyrin

porphyrin [por´fĭ-rin] any of a group of iron- or magnesium-free cyclic tetrapyrrole derivatives, occurring universally in protoplasm, and forming the basis of the ...

porphyrin | biological pigment | Britannica.com

www.britannica.com/science/porphyrin

Porphyrin, any of a class of water-soluble, nitrogenous biological pigments (biochromes), derivatives of which include the hemoproteins (porphyrins combined with ...

Those red tears: porphyrin and the Norway rat

www.ratbehavior.org/porphyrin.htm

Porphyrin and Norway rats. To the rat enthusiast, one porphyrin is of particular interest: the one that is secreted by the Harderian gland and appears around the rat ...

Porphyrin | Define Porphyrin at Dictionary.com

dictionary.reference.com/browse/porphyrin

noun, Biochemistry. 1. a dark red, photosensitive pigment consisting of four pyrrole rings linked by single carbon atoms: a component of chlorophyll, heme, and ...

Porphyria

www.niddk.nih.gov/health-information/health-topics/liver-disease...

Discusses the types, causes, symptoms, diagnosis, and treatment of porphyria. ... Porphyrins and porphyrin precursors of heme then build up in the body and cause illness.

Porphyrin | Definition of Porphyrin by Merriam-Webster

www.merriam-webster.com/dictionary/porphyrin

: any of various compounds with a structure that consists essentially of four pyrrole rings joined by four =CH− groups; especially : one (as chlorophyll or ...

Porphyrin | Article about Porphyrin by The Free Dictionary

encyclopedia2.thefreedictionary.com/Porphyrin

porphyrin [′pȯr·fə·rən] (biochemistry) A class of red-pigmented compounds with a cyclic tetrapyrrolic structure in which the four pyrrole rings are joined ...

Porphyria: Types, Symptoms, Causes, and Treatment - WebMD

www.webmd.com/a-to-z-guides/porphyria-symptoms-causes-treatment

WebMD explains the causes, symptoms, and treatment of porphyria -- a group of disorders that can cause nerve or skin problems.