Potassium absorption increased linearly when expressed as g/d and curvilinearly when expressed as percentage of intake, with increasing levels of dietary K. When .6% K was fed, the primary site of K absorption was the small intestine, but with the high levels of K, the preintestinal region ...
(1994) Accumulation of high levels of potassium in the developing xylem elements in roots of soybean and some other dicotyledons. Protoplasma , 183, 116–125.McCully M E 1994 Accumulation of high levels of potassium in the developing xylem elements in roots of soybean and other dicotyledons. ...
. The blood tests for measurement of potassium levels measure only the potassium that is outside of the cells. Therefore, conditions that can cause potassium to move out of the cells into the blood circulation can increase the blood potassium levels even though the total amount of potassium in...
Mammalian cells have a higher concentration of potassium and a lower concentration of sodium than their extracellular environment. The mechanisms responsible for the unequal distribution of these ions are commonly ascribed to the presence of an energy requiring plasma membrane ATPase pump, and the presen...
However, the existence of a whole cell KATP current ... LH Clapp,AM Gurney - 《American Journal of Physiology》 被引量: 384发表: 1992年 Volume-dependent regulation of sodium and potassium fluxes in cultured vascular smooth muscle cells: Dependence on medium osmolality and regulation by sign.....
We analyzed water samples from all three seasonal campaigns, leaf samples from the 2018 dry season, and soil samples from all three seasonal campaigns for MeHg. We extracted water samples with trace grade sulfuric acid for a minimum of 24 h69, digested leaves with 2% potassium hydroxide in ...
Flexible films of kink porous carbon nanofibers are designed at the micro, meso and macro levels The fiber-film anodes with porous, kinked, and entangled network structures exhibit high rate and stability for potassium-ion storageAbstract With the emergence of wearable electronics, flexible energy sto...
Not eating enough potassium.Potassium helps balance the amount of salt and water in your body.Dehydrationalso can affect your potassium levels. Drinking too much alcohol.Having more than one to two drinks per day can increase your blood pressure, especially if you are a man. ...
Depletion of intracellular polyamines relieves inward rectification of potassium channels. putrescine auxotrophic, ornithine decarboxylase-deficient Chinese hamster ovary cell line; Direct evidence for a role of each polyamine in induction of ... Shyng,S.-L.,Sha,... - 《Proceedings of the National Ac...
The high sodium-low potassium environment of civilized people, operating on a genetic substrate of susceptibility, is the cardinal factor in the genesis and perpetuation of "essential" hypertension. The noxious effects begin in childhood, when habits of excess salt consumption are acquired at the fam...