Results 91 to 100 of about 1,295,944 (345)

Diagnosing hemodynamically important coronary atherosclerosis in stable angina patients: the role of stress test dynamics of QT duration and dispersion

open access: yesКардиоваскулярная терапия и профилактика, 2008
Aim. To study a potential link between increased QT dispersion (dQT) during physical stress test (PST) and coronary artery (CA) atherosclerosis in patients with coronary heart disease (CHD).Material and methods. In total, 116 CHD patients with Functional
N. V. Furman   +2 more
doaj  

Research of dispersion characteristics of optical glass

open access: yesКомпьютерная оптика
Dispersion characteristics of optical glass are considered. An approach to research of dispersion characteristics of optical glass is proposed, requiring the measurement of the refractive index at only three wavelengths, which simplifies the measurement ...
A.I. Yurin, G.N. Vishnyakov, V.L. Minaev
doaj   +1 more source

The effect of amine substituent chain length on POSS/Polysulfone mixed matrix membrane

open access: yesJournal of Mechanical Engineering and Sciences, 2018
The main obstacle encountered during the development of polyhedral oligomeric silsesquioxane (POSS) mixed matrix membrane (MMM) via physical blending is the combination of compatible inorganic filler and polymeric matrix.
Y.C Bong, P.C Oh, T.L Chew
doaj   +1 more source

The Caenorhabditis elegans DPF‐3 and human DPP4 have tripeptidyl peptidase activity

open access: yesFEBS Letters, EarlyView.
The dipeptidyl peptidase IV (DPPIV) family comprises serine proteases classically defined by their ability to remove dipeptides from the N‐termini of substrates, a feature that gave the family its name. Here, we report the discovery of a previously unrecognized tripeptidyl peptidase activity in DPPIV family members from two different species.
Aditya Trivedi, Rajani Kanth Gudipati
wiley   +1 more source

Analysis of DC–RF Dispersion in AlGaN/GaN HFETs Using RF Waveform Engineering [PDF]

open access: green, 2008
Chris Roff   +8 more
openalex   +1 more source

The role and implications of mammalian cellular circadian entrainment

open access: yesFEBS Letters, EarlyView.
At their most fundamental level, mammalian circadian rhythms occur inside every individual cell. To tell the correct time, cells must align (or ‘entrain’) their circadian rhythm to the external environment. In this review, we highlight how cells entrain to the major circadian cues of light, feeding and temperature, and the implications this has for our
Priya Crosby
wiley   +1 more source

DETERMINATION OF GRANULOMETRIC COMPOSITION OF PULVERIZED COAL BY AUTOMATED SYSTEM

open access: yesПриборы и методы измерений, 2015
The method of granulometric composition determination of dry powders by a shadow method in the automated system of determination of quantitative structure is described. The granulometric analysis of coal-dust fuel particles is carried out.
A. S. Chernenko   +4 more
doaj  

Molecular bases of circadian magnesium rhythms across eukaryotes

open access: yesFEBS Letters, EarlyView.
Circadian rhythms in intracellular [Mg2+] exist across eukaryotic kingdoms. Central roles for Mg2+ in metabolism suggest that Mg2+ rhythms could regulate daily cellular energy and metabolism. In this Perspective paper, we propose that ancestral prokaryotic transport proteins could be responsible for mediating Mg2+ rhythms and posit a feedback model ...
Helen K. Feord, Gerben van Ooijen
wiley   +1 more source

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