Definition of porphyrin in English:

porphyrin

noun ˈpɔːfɪrɪnˈpôrfərin

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.
Example sentencesExamples
- Changes in apoprotein and porphyrin fluorescence suggest two classes of bound porphyrins.
- The researchers used a nanoparticulate semiconductor electrode coated with a light-sensitive porphyrin or chlorophyll dye.
- In this work a systematic study of the photophysical properties of four cationic porphyrins in liposomes is performed and results are compared with those found in homogeneous media.
- These observations suggest that the generation of 102 by lipophilic porphyrins occurs within the bilayer, which is also the site of damage.
- It should also be noted that the doming deformation in the NSD context does not involve the iron, but only the 24 atoms of the porphyrin ring.
- The NSD method has been used extensively to describe and analyze the out-of-plane distortions of porphyrins in heme proteins.

Origin

Early 20th century: from Greek porphura 'purple' + -in¹.

Definition of porphyrin in US English:

porphyrin

nounˈpôrfərin

Biochemistry

Any of a class of pigments (including heme and chlorophyll) whose molecules contain a flat ring of four linked heterocyclic groups, sometimes with a central metal atom.
Example sentencesExamples
- The NSD method has been used extensively to describe and analyze the out-of-plane distortions of porphyrins in heme proteins.
- These observations suggest that the generation of 102 by lipophilic porphyrins occurs within the bilayer, which is also the site of damage.
- The researchers used a nanoparticulate semiconductor electrode coated with a light-sensitive porphyrin or chlorophyll dye.
- It should also be noted that the doming deformation in the NSD context does not involve the iron, but only the 24 atoms of the porphyrin ring.
- In this work a systematic study of the photophysical properties of four cationic porphyrins in liposomes is performed and results are compared with those found in homogeneous media.
- Changes in apoprotein and porphyrin fluorescence suggest two classes of bound porphyrins.

Origin

Early 20th century: from Greek porphura ‘purple’ + -in.

单词	porphyrin
释义	Definition of porphyrin in English: porphyrin noun ˈpɔːfɪrɪnˈpôrfərin 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. Example sentencesExamples Changes in apoprotein and porphyrin fluorescence suggest two classes of bound porphyrins. The researchers used a nanoparticulate semiconductor electrode coated with a light-sensitive porphyrin or chlorophyll dye. In this work a systematic study of the photophysical properties of four cationic porphyrins in liposomes is performed and results are compared with those found in homogeneous media. These observations suggest that the generation of 102 by lipophilic porphyrins occurs within the bilayer, which is also the site of damage. It should also be noted that the doming deformation in the NSD context does not involve the iron, but only the 24 atoms of the porphyrin ring. The NSD method has been used extensively to describe and analyze the out-of-plane distortions of porphyrins in heme proteins. Origin Early 20th century: from Greek porphura 'purple' + -in¹. Definition of porphyrin in US English: porphyrin nounˈpôrfərin Biochemistry Any of a class of pigments (including heme and chlorophyll) whose molecules contain a flat ring of four linked heterocyclic groups, sometimes with a central metal atom. Example sentencesExamples The NSD method has been used extensively to describe and analyze the out-of-plane distortions of porphyrins in heme proteins. These observations suggest that the generation of 102 by lipophilic porphyrins occurs within the bilayer, which is also the site of damage. The researchers used a nanoparticulate semiconductor electrode coated with a light-sensitive porphyrin or chlorophyll dye. It should also be noted that the doming deformation in the NSD context does not involve the iron, but only the 24 atoms of the porphyrin ring. In this work a systematic study of the photophysical properties of four cationic porphyrins in liposomes is performed and results are compared with those found in homogeneous media. Changes in apoprotein and porphyrin fluorescence suggest two classes of bound porphyrins. Origin Early 20th century: from Greek porphura ‘purple’ + -in.
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