Hydrogen ion fluxes from isolated retinal horizontal cells: modulation by glutamate

2000 ◽  
Vol 199 (2) ◽  
pp. 168-170 ◽  
Author(s):  
AJ Molina ◽  
PJ Smith ◽  
RP Malchow
Keyword(s):  
Horizontal Cells ◽  
Ion Fluxes ◽  
Hydrogen Ion

Recording of hydrogen-ion fluxes by a semiconductor radiation detector

1966 ◽  
Vol 20 (2) ◽  
pp. 182-184
Author(s):  
N. N. Brevnov ◽  
Yu. S. Maksimov ◽  
V. S. Tsyplenkov
Keyword(s):  
Radiation Detector ◽  
Ion Fluxes ◽  
Hydrogen Ion

scholarly journals Localization of Hydrogen Ion and Chloride Ion Fluxes in Nitella

1969 ◽  
Vol 54 (3) ◽  
pp. 397-414 ◽  
Author(s):  
Donald G. Spear ◽  
June K. Barr ◽  
C. E. Barr
Keyword(s):  
Ion Transport ◽  
Chloride Ion ◽  
Ion Fluxes ◽  
Hydrogen Ion ◽  
Transport Mechanisms ◽  
Active Efflux ◽  
Ion Movement ◽  
Acid And Base ◽  
Base Formation ◽  
Chloride Influx

Alternating bands of acid and base formation have been detected along the length of the internodal cell of Nitella clavata when it is illuminated, while in the dark this phenomenon is minimal. Chloride influx occurs only or largely in the acid-extruding regions, and this is also a light-dependent ion movement. Chloride efflux is slightly dependent on illumination and is not localized as are H+ efflux and Cl- influx. The results obtained support Kitasato's (1968) proposal that a large passive H+ influx is balanced by an active efflux of this ion. Transport mechanisms suggested by the correlations of Cl- and HCO3- influxes with H+ extrusion are discussed.

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