Porphyrin nyob qhov twg?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

Hlau complexes muab los ntawm cov porphyrins tshwm sim lawm. Ib tsev neeg uas paub zoo tshaj plaws ntawm cov porphyrin Cov complexes yog heme, cov xim hauv cov qe ntshav liab, cofactor ntawm cov protein hemoglobin.

Biosynthesis.

Ntxiv mus, ua haujlwm ntawm porphyrin yog dab tsi?

Hauv ib lub hlis, lub cov porphyrin nplhaib pab ib qho tseem ceeb muaj nuj nqi . Cov nitrogen molecules nyob rau hauv nruab nrab ntawm lub nplhaib muaj peev xwm ntawm "hosting" ib tug hlau molecule. Nws yog qhov no cov porphyrin qauv, tuav hlau, uas muab cov ntshav nws cov xim liab.

Tom qab ntawd, lo lus nug yog, yog vim li cas porphyrin thiaj li xim xim? Porphyrins muaj zog xim tshuaj sib xyaw. Cov xim yog ib tug tshwm sim ntawm qhov nyuaj electronic spectra ntawm cov porphyrins , uas muaj khaus absorptions hauv cheeb tsam pom (hu ua Q bands).

Hauv qhov no, cov molecules twg muaj lub nplhaib porphyrin?

Tag nrho cov porphyrin compounds nqus lub teeb hnyav ntawm lossis ze li 410 nanometers. Structurely, porphyrin muaj plaub pyrrole rings (tsib tus tswv cuab kaw cov qauv uas muaj ib qho nitrogen thiab plaub carbon atoms) txuas rau ib leeg los ntawm methine pawg (?CH=).

porphyrin ua dab tsi?

Porphyria (por-FEAR-e-uh) yog hais txog ib pawg ntawm cov teeb meem uas tshwm sim los ntawm kev tsim cov tshuaj ntuj tsim tawm. cov porphyrin hauv koj lub cev. Porphyrins Nws yog ib qho tseem ceeb rau kev ua haujlwm ntawm hemoglobin - cov protein hauv koj cov qe ntshav liab uas txuas rau cov porphyrin , khi hlau, thiab nqa oxygen rau koj lub cev thiab cov ntaub so ntswg.