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Keywords: ion-selective microelectrodes
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Journal Articles
J Exp Biol (2021) 224 (7): jeb240705.
Published: 15 April 2021
... conditions in their midgut with the underlying epithelial transport mechanisms being largely unknown. Using ion-selective microelectrodes, the present study demonstrated that pluteus larvae of the purple sea urchin have highly alkaline pH (pH ∼9) and low [Na + ] (∼120 mmol l −1 ) in their midgut fluids...
Journal Articles
J Exp Biol (2017) 220 (17): 3172–3180.
Published: 1 September 2017
... , A. and O'Donnell , M. J. ( 2005 ). Analysis of Na + , Cl − , K + , H + and NH 4 + concentration gradients adjacent to the surface of anal papillae of the mosquito Aedes aegypti: application of self-referencing ion-selective microelectrodes . J. Exp. Biol.   208 , 603 - 610 . 10.1242/jeb.01422...
Journal Articles
J Exp Biol (2014) 217 (23): 4119–4122.
Published: 1 December 2014
... use the scanning ion-selective microelectrode technique to measure efflux and influx of K + , H + , Na + and Ca 2+ in intact worms. Transport of ions into, or out of, immobilized worms produces small gradients in ion concentration in the unstirred layer near the surface of the worm. These gradients...
Journal Articles
J Exp Biol (2009) 212 (11): 1731–1744.
Published: 1 June 2009
... method. One then has to rely on a more sensitive method (e.g. ion-selective microelectrodes) to detect acid or base fluxes. Such an approach is shown in Fig. 13 . * Author for correspondence (e-mail: tripathi@tifr.res.in ) 16 3 2009 2009 stereology microperfusion H + V...
Journal Articles
J Exp Biol (2009) 212 (3): 363–372.
Published: 1 February 2009
... a number of physiological adaptations to the short-term and long-term stresses associated with blood feeding. More recent electrophysiological studies using voltage- and ion-selective microelectrodes have extended our understanding of the mechanisms and control of ion transport by the secretory...
Journal Articles
J Exp Biol (1987) 128 (1): 349–369.
Published: 1 March 1987
...ANDREW BARBER Double-barrelled, ion-selective microelectrodes (ISMEs) have been used to measure the intracellular free concentrations of K + ([K + ] 1 ,), Na + ([Na + ] i ) and Cl − ([Cl − ] 1 ), together with membrane potentials (E M ), from single salivary gland acinar cells of the pond snail...