News tagged with calcium ions
Efficient and tunable interface for quantum networks
(Phys.org) -- Quantum computers may someday revolutionize the information world. But in order for quantum computers at distant locations to communicate with one another, they have to be linked together in ...
May 23, 2012 |
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Sperm can count
The speed at which the calcium concentration in the cell changes controls the swimming behavior of sperm. They can calculate the calcium dynamics and react accordingly.
Mar 07, 2012 |
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The secret life of proteins: Researchers discover dual role of key player in immune system
Northwestern University Feinberg School of Medicine researchers have identified a new and unusual role for a key player in the human immune system. A protein initially believed to regulate one routine function within the ...
Jan 28, 2012 |
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Gene discovery explains how fruit flies retreat from heat
A discovery in fruit flies may be able to tell us more about how animals, including humans, sense potentially dangerous discomforts.
Dec 15, 2011 |
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Cellular communications visualized with a vibrant color palette
A University of Alberta-led research team has dramatically expanded the palette of fluorescent highlighters that can be used to track the movement of messengers inside of single cells.
Sep 08, 2011 |
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Scientist creates new hypothesis on ocean acidification
A Researcher at the Hawai'i Institute of Marine Biology, an organized research unit in the University of Hawai'i at Manoa's School of Ocean and Earth Science and Technology has come up with a new explanation for the effects ...
Aug 30, 2011 |
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Blue light enables genes to turn on
(Medical Xpress) -- With a combination of synthetic biology and optogenetics, researchers from the Swiss Federal Institute for Technology published a paper in Science outlining their new technique which enable ...
Jun 24, 2011 |
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Important role for the cerebellum
Hereditary diseases such as epilepsy or various coordination disorders may be caused by changes in nerve cells of the cerebellum, which do not set in until after birth. This is reported by Bochum's neuroscientists in the Jo ...
Medicine & Health / Neuroscience
Mar 18, 2011 |
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Sexual plant reproduction: Male and female talk in the same way as do cells in your brain
A team of researchers at the Instituto Gulbenkian de Ciencia (IGC), Portugal, discovered that pollen, the organ that contains the plant male gametes, communicate with the pistil, their female counterpart, ...
Mar 17, 2011 |
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Researchers find novel role for calcium channels in pacemaker cell function
Pacemaker cells in the sinoatrial node control heart rate, but what controls the ticking of these pacemaker cells? New research by Angelo Torrente and his colleagues of the M.E. Mangoni group's, reveals, for the first time, ...
Mar 09, 2011 |
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Oldest objects in solar system indicate a turbulent beginning
(PhysOrg.com) -- Scientists have found that calcium, aluminum-rich inclusions (CAIs), some of the oldest objects in the solar system, formed far away from our sun and then later fell back into the mid-plane ...
Mar 03, 2011 |
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Unearthing a pathway to brain damage
Neuroscientists have long suspected that abnormal calcium signaling and accumulation of misfolded proteins cause an intracellular membrane-bound organelle called the endoplasmic reticulum (ER) to trigger the ...
Medicine & Health / Neuroscience
Feb 25, 2011 |
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Molecular simulations explain how enzymatic pumps transport calcium ions within muscle cells
The transport of ions is essential for the routine maintenance of the body. For this reason cells contain specialized enzymes that act as pumps that help ions to move around and pass through boundaries.
Feb 18, 2011 |
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X-rays offer first detailed look at hotspots for calcium-related disease
Calcium regulates many critical processes within the body, including muscle contraction, the heartbeat, and the release of hormones. But too much calcium can be a bad thing. In excess, it can lead to a host ...
Medicine & Health / Medical research
Nov 04, 2010 |
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Scientists convert carbon-dioxide emissions to useful building materials, using genetically altered yeast
Every year, about 30 billion metric tons of carbon dioxide are pumped into the Earth’s atmosphere from power plants, cars and other industrial sources that rely on fossil fuels. Scientists who want to mitigate ...
Sep 22, 2010 |
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Calcium
Calcium (pronounced /ˈkælsiəm/) is the chemical element with the symbol Ca and atomic number 20. It has an atomic mass of 40.078 amu. Calcium is a soft grey alkaline earth metal, and is the fifth most abundant element by mass in the Earth's crust. Calcium is also the fifth most abundant dissolved ion in seawater by both molarity and mass, after sodium, chloride, magnesium, and sulfate.
Calcium is essential for living organisms, particularly in cell physiology, where movement of the calcium ion Ca2+ into and out of the cytoplasm functions as a signal for many cellular processes. As a major material used in mineralization of bones and shells, calcium is the most abundant metal by mass in many animals.
For more information about Calcium, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
