Results 21 to 30 of about 1,580,506 (355)

Identification of a PEST Sequence in Vertebrate KIR2.1 That Modifies Rectification

open access: yesFrontiers in Physiology, 2019
KIR2.1 potassium channels, producing inward rectifier potassium current (IK1), are important for final action potential repolarization and a stable resting membrane potential in excitable cells like cardiomyocytes.
Muge Qile   +6 more
doaj   +1 more source

Effects of cromakalim (BRL 34915) on potassium conductances in CA3 neurons of the guinea-pig hippocampus in vitro [PDF]

open access: yes, 1989
The action of the potassium channel activator, cromakalim (BRL 34915), on membrane potential, input resistance and current-voltage-relationship of CA3 neurons in a slice preparation of the guinea-pig hippocampus was investigated by means of intracellular
Alzheimer, Christian   +2 more
core   +1 more source

Potassium clavulanate [PDF]

open access: yesActa Crystallographica Section E Structure Reports Online, 2010
The title salt, K(+)·C(8)H(8)NO(5) (-) [systematic name: potassium (2R,5R,Z)-3-(2-hy-droxy-ethyl-idene)-7-oxo-4-oxa-1-aza-bicyclo-[3.2.0]heptane-2-carb-oxyl-ate], a widely used β-lactam anti-biotic, is usually chemically unstable even in the solid state owing to its tendency to be hydrolysed. In the crystal structure, the potassium cations are arranged
Kotaro Fujii   +7 more
openaire   +3 more sources

Investigation of potassium-intercalated bulk MoS$_2$ using transmission electron energy-loss spectroscopy [PDF]

open access: yesPhys. Rev. B 101, 155429 (2020), 2020
We have investigated the effect of potassium (K) intercalation on $2H$-MoS$_2$ using transmission electron energy-loss spectroscopy. For K concentrations up to approximately 0.4, the crystals appear to be inhomogeneous with a mix of structural phases and irregular potassium distribution. Above this intercalation level, MoS$_2$ exhibits a $2a \times 2a$
arxiv   +1 more source

Potassium Alleviates Post-anthesis Photosynthetic Reductions in Winter Wheat Caused by Waterlogging at the Stem Elongation Stage

open access: yesFrontiers in Plant Science, 2021
Waterlogging occurs frequently at the stem elongation stage of wheat in southern China, decreasing post-anthesis photosynthetic rates and constraining grain filling.
Jingwen Gao   +5 more
doaj   +1 more source

Electronic structure of undoped and potassium doped coronene investigated by electron energy-loss spectroscopy [PDF]

open access: yesPhys. Rev. B 85, 014513 (2012), 2012
We performed electron energy-loss spectroscopy studies in transmission in order to obtain insight into the electronic properties of potassium intercalated coronene, a recently discovered superconductor with a rather high transition temperature of about 15\,K.
arxiv   +1 more source

Pretreatment with beta-blockers and the frequency of hypokalemia in patients with acute chest pain [PDF]

open access: yes, 1987
Plasma potassium concentration was measured at admission in 1234 patients who presented with acute chest pain. One hundred and ninety five patients were on P blockers before admission.
Anonymous   +18 more
core   +1 more source

Comparação sérica e sangüínea do cálcio ionizado, sódio, potássio e cloreto em felinos pelo método eletrodo íon seletivo Serum and blood comparison of ionized calcium, sodium, potassium and chloride in cats, by ion-selective electrode method

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2007
Values of sodium, ionized calcium, potassium and chloride obtained by ion-selective electrode method, from serum and blood samples of healthy cats, were compared. Serum ionized calcium value was lower (5.2mg/dl) than blood ionized calcium (5.4mg/dl), and
L.H. Giovaninni   +4 more
doaj   +1 more source

Optimisation of Nitrogen, Phosphorus, and Potassium for Soilless Production of Cannabis sativa in the Flowering Stage Using Response Surface Analysis

open access: yesFrontiers in Plant Science, 2021
Following legalisation, cannabis has quickly become an important horticultural crop in Canada and increasingly so in other parts of the world. However, due to previous legal restrictions on cannabis research there are limited scientific data on the ...
Lewys Bevan, Max Jones, Youbin Zheng
doaj   +1 more source

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