September 1980
Volume 19, Issue 9
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Articles  |   September 1980
O2 consumption and CO2 influence on the pH and electroretinogram of isolated retina of goldfish.
Investigative Ophthalmology & Visual Science September 1980, Vol.19, 1110-1113. doi:
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      N A Schellart, R P Duursma; O2 consumption and CO2 influence on the pH and electroretinogram of isolated retina of goldfish.. Invest. Ophthalmol. Vis. Sci. 1980;19(9):1110-1113.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

From micropolarographic O2 measurements, it can be concluded that the isolated goldfish retina is sufficiently supplied with oxygen when 100% O2 is blown over the retina. The retinal O2 consumption amounts to about 60 microliters of O2 per milligram dry weight per hour. Small amounts (0.25% to 2.0%) of CO2 added to the O2 gas diminish the retinal pH, which is 7.0 to 7.1 in situ and after isolation. Moreover, CO2 strongly reduces the ERG amplitude.

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