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1-6 of 6
Keywords: Na+ uptake
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Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2020) 223 (18): jeb226753.
Published: 23 September 2020
... is an energy-consuming process. The purpose of this study was to assess the aerobic costs of ion transport in larval zebrafish ( Danio rerio ). We hypothesized that changes in rates of Na + uptake evoked by acidic or low Na + rearing conditions would result in corresponding changes in whole-body oxygen...
Includes: Supplementary data
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2015) 218 (10): 1467–1470.
Published: 15 May 2015
... gill functions. We hypothesized that if Na + uptake is the driving force, then in high NaCl there would be a delay in the skin-to-gill shift in ammonia excretion ( J amm ) and/or an elevation in whole-body total ammonia ( T amm ). In both groups, however, the skin-to-gill shift for J amm , determined...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2012) 215 (7): 1199–1209.
Published: 1 April 2012
... qualitatively similar low affinity Na + uptake kinetics ( K m =7000–38,000 μmol l –1 ) when acclimated to 2 or 7 mmol l –1 Na + , but C. v. hubbsi switches to a high affinity system ( K m =100–140 μmol l –1 ) in low-Na + freshwater (≤1 mmol l –1 Na + ). Inhibitor experiments indicate that Na + uptake in both...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2008) 211 (4): 539–547.
Published: 15 February 2008
...Adalto Bianchini; Chris M. Wood SUMMARY The concentration-dependent kinetics and main mechanisms of whole-body Na + uptake were assessed in neonate and adult water flea Daphnia magna Strauss acclimated to moderately hard water (0.6 mmol l –1 NaCl, 1.0 mmol l –1 CaCO 3 and 0.15 mmol l –1 MgSO 4 ·7H...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (2000) 203 (14): 2201–2208.
Published: 15 July 2000
... examined for their influence on baseline pHi and recovery rates from acid and base loading. Rates of Na + uptake were measured using 22 Na, and changes in membrane potential were examined using the potentiometric fluorescent dye Oxonol VI. The rate of proton extrusion following acid loading was diminished...
Journal Articles
Journal:
Journal of Experimental Biology
J Exp Biol (1999) 202 (6): 697–709.
Published: 15 March 1999
... of Biologists 1999 Oncorhynchus mykiss rainbow trout ammonia excretion Na + uptake gill boundary layer pH NH 3 diffusion branchial ion exchange Na + /K + -ATPase (NH 4 ) 2 SO 4 infusion NH 4 HCO 3 infusion In teleosts, the majority of nitrogenous waste is excreted through...