hematoporphyrin

hematoporphyrin
A dark red, almost purple, porphyrin resulting from the decomposition of hemoglobin; chemical composition is that of heme with the iron removed and the two vinyl (–CH=CH2) groups hydrated to hydroxyethyl (–CH(OH)–CH3). SYN: hemoporphyrin.

* * *

he·ma·to·por·phy·rin or chiefly Brit hae·ma·to·por·phy·rin .hē-mət-ə-'pȯr-fə-rənalso .hem-ət- n any of several isomeric porphyrins C34H38O6N4 that are hydrated derivatives of protoporphyrins esp the deep red crystalline pigment obtained by treating hematin or heme with acid

* * *

he·ma·to·por·phy·rin (he″mə-to-) (hem″ə-to-porґfə-rin) a dark red to purple pigment, a porphyrin (q.v.) in which two pyrrole rings have one methyl and one propionate side chain and the other two pyrrole rings have one methyl and one 1-hydroxyethyl side chain.

Medical dictionary. 2011.

Игры ⚽ Нужно решить контрольную?

Look at other dictionaries:

  • hematoporphyrin — [hem΄ə tō΄pôr′fə rin] n. a type of porphyrin, C34H38O6N4, obtained by treating hemoglobin with a strong acid: it is used in cancer research because it fluoresces under ultraviolet light and is readily absorbed by cancerous tissue * * * …   Universalium

  • hematoporphyrin — [hem΄ə tō΄pôr′fə rin] n. a type of porphyrin, C34H38O6N4, obtained by treating hemoglobin with a strong acid: it is used in cancer research because it fluoresces under ultraviolet light and is readily absorbed by cancerous tissue …   English World dictionary

  • hematoporphyrin derivative — a material prepared by an acetic acid–sulfuric acid treatment of hematoporphyrin that concentrates selectively in metabolically active tumor tissue; used in photodynamic therapy …   Medical dictionary

  • hematoporphyrin — noun Etymology: International Scientific Vocabulary Date: 1885 any of several isomeric porphyrins C34H38O6N4 that are hydrated derivatives of protoporphyrins; especially the deep red crystalline pigment obtained by treating hematin or heme with… …   New Collegiate Dictionary

  • hematoporphyrin — noun The porphyrin portion of heme (minus the iron atom) …   Wiktionary

  • hematoporphyrin — hem·a·to·porphyrin …   English syllables

  • hematoporphyrin — |heməd.ō, |hēm + noun Etymology: International Scientific Vocabulary hemat + porphyrin : any of several isomeric porphyrins C20H6N4(CH3)4(CHOHCH3)2(CH2CH2COOH)2 that are hydrated derivatives of protoporphyrins; especially : the deep …   Useful english dictionary

  • hematoporphyrin derivative — A drug used in photodynamic therapy that is absorbed by tumor cells. When exposed to light, it becomes active and kills the cancer cells …   English dictionary of cancer terms

  • Hämatoporphyrin — Strukturformel Allgemeines Name Hämatoporphyrin Andere Namen …   Deutsch Wikipedia

  • Dieter Jocham — (* 1949 in Augsburg) ist ein deutscher Urologe. Er lebt und arbeitet in Lübeck und leitet seit 1990 an der Medizinischen Fakultät der Universität zu Lübeck die Klinik für Urologie. Jocham war Ende der 1970er Jahre maßgeblich an der… …   Deutsch Wikipedia

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”