Biology
Porphirins are organic pigments, such as heme and chlorophyll, all of them containing the porphin structure (four linked pyrrole nuclei).
- Actinium (ac)
Term: actinium (Ac)Literally meaning: ?pertaining to ray?Origin: 'á???? actis(genitive á??[é???/actinos)(=ray, beam) The element was named after its power of emitting energy in the form of rays suchas radioactive ?radium? which comes from latin...
- Iodine (i)
Term: iodine (I)Literally meaning: ?pertaining to purple?Origin: Anc Greek???????/ioeides (=purple, violet) because of the color of elemental iodine vapor. [<???. 'é???? < /é??= violete (flower) Coined/History Iodine was discovered...
- Proline (pro P)
Term: proline (Pro P)Literally meaning: ?pertaining to fire?Origin: Anc Greek proline???/pyr(=fire, redish) because proline is derived from pyrrolidin (C4H9N), a pyrrole with derivatives such as porphyrin and heme have red color. Coined/History ...
- Rhodopsin
Term: rhodopsinLiterally meaning: ?redish-purple visual ?Origin: Anc Greek?????/rodon(=rose) >????/rode(=rosebush) >???????/radanos(=soft, delicate, smooth)+??/ops(=sight, face, vision) Coined/HistoryRhodopsin named because of its redish-purple...
- Porphyra
Term: porphyraLiterally meaning: ?purple-red color?Origin: Anc Greek???/pyr(=fire) +????/phyro(=stir)Coined/HistoryGreek ?porphyra? (Latin, ? purpura?) was a very expensive dye in texts dated about 1600 BC. The use and large scale production of the dye...
Biology
porphyrin
Term: porphyrin
Literally meaning: ?having purple-red hue?
Origin: Anc Greek
???/pyr(=fire)
+????/phyro(=stir)
Coined/History
In 1889 by Dutch phycisian and Barend Joseph Stokvis (1834 ?1902) who observed the dark red urine, discovered that it contained porphyrins. Porphyrins had been described as a chemical entity in 1871 by the German chemist Felix Hoppe-Syeler, named for their purple hue .
Definition
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| pyrrole nuclei |
Porphirins are organic pigments, such as heme and chlorophyll, all of them containing the porphin structure (four linked pyrrole nuclei).
- Actinium (ac)
Term: actinium (Ac)Literally meaning: ?pertaining to ray?Origin: 'á???? actis(genitive á??[é???/actinos)(=ray, beam) The element was named after its power of emitting energy in the form of rays suchas radioactive ?radium? which comes from latin...
- Iodine (i)
Term: iodine (I)Literally meaning: ?pertaining to purple?Origin: Anc Greek???????/ioeides (=purple, violet) because of the color of elemental iodine vapor. [<???. 'é???? < /é??= violete (flower) Coined/History Iodine was discovered...
- Proline (pro P)
Term: proline (Pro P)Literally meaning: ?pertaining to fire?Origin: Anc Greek proline???/pyr(=fire, redish) because proline is derived from pyrrolidin (C4H9N), a pyrrole with derivatives such as porphyrin and heme have red color. Coined/History ...
- Rhodopsin
Term: rhodopsinLiterally meaning: ?redish-purple visual ?Origin: Anc Greek?????/rodon(=rose) >????/rode(=rosebush) >???????/radanos(=soft, delicate, smooth)+??/ops(=sight, face, vision) Coined/HistoryRhodopsin named because of its redish-purple...
- Porphyra
Term: porphyraLiterally meaning: ?purple-red color?Origin: Anc Greek???/pyr(=fire) +????/phyro(=stir)Coined/HistoryGreek ?porphyra? (Latin, ? purpura?) was a very expensive dye in texts dated about 1600 BC. The use and large scale production of the dye...