Calcium-rich Gap Transients: Solving the Calcium Conundrum in the Intracluster Medium [PDF]
, 2014 X-ray measurements suggest the abundance of Calcium in the intracluster medium is higher than can be explained using favored models for core-collapse and Type Ia supernovae alone.
Kasliwal, Mansi M. +2 more
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The volumetric rate of calcium-rich transients in the local universe [PDF]
, 2018 We present a measurement of the volumetric rate of `calcium-rich' optical transients in the local universe, using a sample of three events from the Palomar Transient Factory (PTF).
Frohmaier, C. +3 more
core +4 more sources
Lack of direct evidence for a functional role of voltage-operated calcium channels in juxtaglomerular cells [PDF]
, 1990 In this study we have examined the role of voltage-gated calcium channels in the regulation of calcium in juxtaglomerular cells. Using a combination of patch-clamp and single-cell calcium measurement we obtained evidence neither for voltage-operated ...
Chegini, S. +3 more
core +1 more source
Preliminary characterization of calcium chemical environment in apatitic and non-apatitic calcium phosphates of biological interest by X-ray absorption spectroscopy [PDF]
, 2005 Several reports have mentioned the existence of non-apatitic environments of phosphate and carbonate ions in synthetic and biological poorly crystalline apatites.
Banu, Mihai +4 more
core +1 more source
, 2002 This lithograph answers the question: Where do the elements around us come from? Many are produced in stars, and liberated when these stars explode. It features an attractive image of the remains of an exploded star, taken by NASA's new Chandra X-ray ...
core
A novel causal mechanism for grey squirrel bark stripping: The Calcium Hypothesis [PDF]
, 2016 Grey squirrels, Sciurus carolinensis, damage trees in the UK by stripping bark and eating the underlying phloem; squirrel motivation for damage is, however, unknown.
Abbott +120 more
core +1 more source
Evolutionary Covariant Positions within Calmodulin EF-hand Sequences Promote Ligand Binding [PDF]
, 2018 Intracellular calcium signaling is an essential regulatory mechanism through calcium-mediated signal transduction pathways involved in many cell processes, such as exocytosis, motility, apoptosis, excitability, transcription, and muscle contraction.
Vaidyanathan, Uma
core +1 more source
Impact of calcium on salivary α-amylase activity, starch paste apparent viscosity and thickness perception [PDF]
, 2011 Thickness perception of starch-thickened products during eating has been linked to starch viscosity and salivary amylase activity. Calcium is an essential cofactor for α-amylase and there is anecdotal evidence that adding extra calcium affects ...
A Kumari +33 more
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Regulation of intracellular cyclic GMP concentration by light and calcium in electropermeabilized rod photoreceptors. [PDF]
, 1994 This study examines the regulation of cGMP by illumination and by calcium during signal transduction in vertebrate retinal photoreceptor cells. We employed an electropermeabilized rod outer segment (EP-ROS) preparation which permits perfusion of low ...
Coccia, V J, Cote, Rick H.
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Caged calcium in Aplysia pacemaker neurons. Characterization of calcium-activated potassium and nonspecific cation currents. [PDF]
, 1989 We have studied calcium-activated potassium current, IK(Ca), and calcium-activated nonspecific cation current, INS(Ca), in Aplysia bursting pacemaker neurons, using photolysis of a calcium chelator (nitr-5 or nitr-7) to release caged calcium ...
Landò, L, ZUCKER, Robert S.
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