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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
... of nutrients. Mosquito V-ATPase Na + /K + -ATPase Ion-selective microelectrodes Ionoregulation Gastric caecum Aedes aegypti is responsible for the spread of dengue, Zika fever, chikungunya and yellow fever, all of which infect millions of humans every year ( Tolle, 2009 ). The A. aegypti...
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
... ( Fig. 11D,E ). However, the effects of inhibition of CA involved in base secretion in the posterior midgut are not easily detected by this simple 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...
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...