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porphyropsin

 
National Institutes of Health

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1990
1990
1. The dark current and responses to dim flashes were recorded with the suction pipette technique from single rods in pieces of… Expand
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1990
1990
The visual pigment from the juvenile lemon shark has been extracted and is a homogeneous vitamin A2-based porphyropsin with… Expand
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1989
1989
Winter crayfish (Procambarus clarkii) contain both retinal and 3-dehydroretinal, as first described by Suzuki, Makino-Tasaka and… Expand
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1977
1977
The effects of light, temperature, and thyroxine on the proportions of two visual pigments (rhodopsin and porphyropsin) are… Expand
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1971
1971
Though it had been supposed earlier that the bullfrog undergoes a virtually complete metamorphosis of visual systems from vitamin… Expand
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1970
1970
Abstract The freshwater fish Scardinius erythrophthalmus L. has a mixture of rhodopsin and porphyropsin in its retina. In the… Expand
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1970
1970
Abstract The freshwater fish Scardinius erythrophthalmus L. has a mixture of rhodopsin ( λ max 507 nm ) and porphyropsin ( λ max… Expand
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1967
1967
Abstract The difference spectra of porphyropsins bleached at various pH as well as in the presence of hydroxylamine and sodium… Expand
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1957
1957
  • George Wald
  • The Journal of general physiology
  • 1957
  • Corpus ID: 12758054
The life cycle of the sea lamprey, Petromyzon marinus, includes two metamorphoses. At the end of a period spent as a blind larva… Expand
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1939
1939
  • George Wald
  • The Journal of general physiology
  • 1939
  • Corpus ID: 16504964
1. In the rods of fresh-water and some anadromous fishes, rhodopsin is replaced by the purple photolabile pigment porphyropsin… Expand
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