Results 51 to 60 of about 1,580,506 (355)
Scattering strength of potassium on a carbon nanotube with known chirality [PDF]
Phys. Rev. B 94, 045408 (2016), 2015 We have measured the scattering strength of charged impurities on a semiconducting single-walled carbon nanotube with known chirality. The resistivity of the nanotube is measured as a function of the density of adsorbed potassium atoms, enabling the determination of the resistance added by an individual potassium atom. Holes are scattered 37 times more
arxiv +1 more source
Unraveling Mycobacterium tuberculosis acid resistance and pH homeostasis mechanisms
FEBS Letters, EarlyView.Mycobacterium tuberculosis exhibits a remarkable resilience to acid stress. In this Review, we discuss some of the molecular mechanisms and metabolic pathways used by the tubercle bacilli to adapt and resist host‐mediated acid stress. Mycobacterium tuberculosis (Mtb) is a successful pathogen that has developed a variety of strategies to survive and ...
Janïs Laudouze +3 more
wiley +1 more source
Біологічні студії, 2018 A review highlights current problems of the impact of the development of potassium ore in the city of Stebnyk on the environment. General characteristics of the deposit and a short historical essay are given, the most common salts are listed.
A. Fetsiukh +3 more
doaj +1 more source
Potassium intercalation in graphite: A van der Waals density-functional study [PDF]
, 2007 Potassium intercalation in graphite is investigated by first-principles theory. The bonding in the potassium-graphite compound is reasonably well accounted for by traditional semilocal density functional theory (DFT) calculations. However, to investigate the intercalate formation energy from pure potassium atoms and graphite requires use of a ...
arxiv +1 more source
Towards Bloodless Potassium Measurement from ECG using Neuro-Fuzzy Systems [PDF]
arXiv, 2023 Potassium disorders are generally asymptomatic, potentially lethal, and common in patients with renal or cardiac disease. The morphology of the electrocardiogram (ECG) signal is very sensitive to the changes in potassium ions, so ECG has a high potential for detecting dyskalemias before laboratory results.
arxiv
Efficacy and safety of sodium zirconium cyclosilicate in patients with baseline serum potassium level ≥ 5.5 mmol/L: pooled analysis from two phase 3 trials. [PDF]
, 2019 BackgroundReliable, timely-onset, oral treatments with an acceptable safety profile for patients with hyperkalemia are needed. We examined the efficacy and safety of sodium zirconium cyclosilicate (SZC; formerly ZS-9) treatment for ≤ 48 h in patients ...
Amin, Alpesh N +3 more
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Nonequilibrium electrical conductivity measurements in argon and helium seeded plasmas [PDF]
, 1965 In a previous paper, the authors presented experimental values of electrical conductivity measured in a plasma composed of argon gas seeded with potassium vapor. The measurements were made at atmospheric pressure with a neutral gas temperature of 2000° ±
Cool, Terrill A., Zukoski, Edward E.
core +1 more source
The Saccharomyces cerevisiae amino acid transporter Lyp1 has a broad substrate spectrum
FEBS Letters, EarlyView.In Saccharomyces cerevisiae, Yeast Amino acid Transporter family members mediate the import of amino acids, ranging from substrate specialists to generalists. Here, we show that the specialist transporter, Lyp1, has a broader substrate spectrum than previously described, with affinity constants spanning from micromolar to millimolar.
Foteini Karapanagioti +3 more
wiley +1 more source
The circumstellar matter of supernova 2014J and the core-degenerate scenario [PDF]
, 2015 I show that the circumstellar matter (CSM) of the type Ia supernova 2014J is too massive and its momentum too large to be accounted for by any but the core-degenerate (CD) scenario for type Ia supernovae. Assuming the absorbing gas is of CSM origin, the several shells responsible of the absorption potassium lines are accounted for by a mass loss ...
arxiv +1 more source
Research of Influence of Potassium-rich Diets on the Physical Performance of Students [PDF]
, 2018 The aim of the work is the scientific substantiation and experimental support of the expedience and use of potassium-cationic water for improving the bread quality and the study of the influence of potassium-rich diets on the physical performance of ...
Goriainova, I. (Iuliia) +4 more
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