单词 | porphyrin |
释义 | porphyrin/ˈpɔːfɪrɪn /noun Biochemistry Any of a class of pigments (including haem and chlorophyll) whose molecules contain a flat ring of four linked heterocyclic groups, sometimes with a central metal atom.Changes in apoprotein and porphyrin fluorescence suggest two classes of bound porphyrins....
OriginEarly 20th century: from Greek porphura 'purple' + -in1. |
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