calcium

(redirected from Calcium ions)
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Synonyms for calcium

References in periodicals archive ?
The calcium ion concentration in the extracellular fluid (ECF) remains within a few percent of 2.
The crystals capture calcium ions which can then be filtered out.
Partial compensation for the acidosis was observed and attributed to shell decalcification because an increase of calcium ions was measured in the hemolymph.
Current experimental-drug approaches focus on three main strategies: (1) stabilizing the levels of calcium ions, (2) reducing the production of molecules called "free radicals," and (3) inhibiting a group of molecules known as "excitatory amino acids.
When a pain signal is initiated, calcium channels open and the influx of calcium ions trigger the release of neurotransmitters, which potentiates the signal to the brain where it is perceived as pain.
The researchers trapped two calcium ions just a few millionths of a meter apart in a high-vacuum chamber at room temperature.
The photoprotein binds calcium ions and emits a blue light signal proportional to the amount of calcium present.
Songtao Shi of the Center for Craniofacial Molecular Biology at the Ostrow School of Dentistry, principal investigator on the project, said the presence of hydrogen sulfide produced by the cells governs the flow of calcium ions.
The researchers discovered T-type channels in the pond snail, Lymnaea stagnalis, can shift from using calcium ions to using sodium ions to generate the electrical signal because of an outer shield of amino acids called a turret situated above the channel's entrance.
Effect of vehicles on the pH of calcium hydroxide and the release of Calcium ions, Oral Surgery 1995; 80; 459-464.
By bombarding a thin film of americium with calcium ions, the research team was able to measure photons in connection with the new element's alpha decay.
The scientists confirmed the new element by bombarding a thin film of americium (a radioactive chemical element) with calcium ions.
It exports calcium ions out of the cell, so it plays a critical role in maintaining intracellular calcium homeostasis, thereby influencing platelet activation and aggregation, the cardiologist explained.
The concentration of calcium ions in mammary glands is thought to be associated with the integrity of mammary tight junctions during lactation (Neville and Peaker, 1981), suggesting that the calcium ion concentration in mammary glands plays a role in regulating the physiological function of milk production.
The nuclear chemists created a sample of element 114 by bombarding a plutonium target with a beam of calcium ions.