porphyropsin

1. The dark current and responses to dim flashes were recorded with the suction pipette technique from single rods in pieces of… (More)

Winter crayfish (Procambarus clarkii) contain both retinal and 3-dehydroretinal, as first described by Suzuki, Makino-Tasaka and… (More)

Goldfish with retinas rich in either rhodopsin or porphyropsin were illuminated with bright light and then placed in the dark… (More)

The isomeric configuration of the 3,4-didehydroretinal chromophore of goldfish porphyropsin was determined by high performance… (More)

The visual pigment content of rod photoreceptors in Xenopus larvae was reduced greater than 90% through a combination of vitamin… (More)

MCFARLAND, W. N. , and D. M. ALLEN. 1977. The effect of extrinsic factors on two distinctive rhodopsin-porphyropsin systems. Can… (More)

Though it had been supposed earlier that the bullfrog undergoes a virtually complete metamorphosis of visual systems from vitamin… (More)

Electron microscopy of the visual cells of the mudpuppy Necturus have revealed several new or hitherto neglected features of… (More)

Digitonin extracts have been prepared from the retinae of a dozen species of marine and euryhaline teleost fishes from turbid… (More)

1. In the rods of fresh-water and some anadromous fishes, rhodopsin is replaced by the purple photolabile pigment porphyropsin… (More)