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Popular Calcium Carbonate News and Current Events, Calcium Carbonate News Articles.
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Calcium controls sleep duration in mice
University of Tokyo and RIKEN researchers have identified seven genes responsible for causing mice to stay awake or fall asleep based on a theoretical model of sleep and on experiments using 21 different genetically modified mice, some of which showed different sleep durations. Researchers hope that their research will contribute to the understanding and treatment of sleep disorders and associated neurodegenerative diseases. (2016-03-17)

An extra 5 years of life an unexpected benefit of osteoporosis treatment
Australian clinical researchers have noted an extraordinary and unexpected benefit of osteoporosis treatment -- that people taking bisphosphonates are not only surviving well, better than people without osteoporosis, they appear to be gaining an extra five years of life. These findings are published in the Journal of Clinical Endocrinology and Metabolism, now online. (2011-02-02)

Microwaved nanoribbons may bolster oil and gas wells
Rice University researchers microwave composite materials of graphene nanoribbons and thermoset polymers to dramatically reinforce wellbores. (2016-05-12)

UBC researchers illuminate link between sodium, calcium and heartbeat using Canadian Light Source
Using the Canadian Light Source synchrotron, researchers from the University of British Columbia have revealed, for the first time, one of the molecular mechanisms that regulates the beating of heart cells by controlling the movement of sodium in out of the cells -- and what calcium has to do with it. Their findings are published in the Feb. 14, 2012 issue of the Proceedings of the National Academy of Sciences. (2012-02-13)

Cause of an inherited neurological disorder discovered
Researchers at the University of Liverpool have identified the basis for how a single gene mutation can cause a rare neurological movement disorder known as dystonia. (2017-04-10)

Massive, computer-analyzed geological database reveals chemistry of ancient ocean
A study that used a new digital library and machine reading system to suck the factual marrow from millions of geologic publications dating back decades has unraveled a longstanding mystery of ancient life: Why did easy-to-see and once-common structures called stromatolites essentially cease forming over the long arc of earth history? (2017-03-30)

Improved photolithography techniques for electronic circuitry of the future
Modern electronics demand constant improvements in power and speed. Consequently, the circuitry becomes increasingly complex with a trend to higher circuit density. (2006-01-16)

Plants use sixth sense for growth aboard the Space Station
Although it is arguable as to whether plants have all five human senses -- sight, scent, hearing, taste and touch -- they do have a unique sense of gravity, which is being tested in space. (2015-04-06)

Impossible material made by Uppsala University researchers
A novel material with world record breaking surface area and water adsorption abilities has been synthesized by researchers from Uppsala University, Sweden. The results are published today in PLOS ONE. (2013-07-17)

ALLHAT findings are 'color blind' in showing diuretics work better for high blood pressure
An article in the April 6 issue of The Journal of the American Medical Association reports study results suggesting older, cheaper diuretics remain the drug of choice for both black and non-black patients in treating high blood pressure and reducing risk of heart disease. (2005-04-05)

Supplements of calcium and vitamin D may have too much for some older women
Calcium and vitamin D are commonly recommended for older women, but the usual supplements may send calcium excretion and blood levels too high for some of them, shows a new study published online today in Menopause, the journal of The North American Menopause Society. (2014-06-18)

Fire may be key to reviving dogwood trees in eastern US forests
Proper and timely burning of some eastern US forests could help revitalize flowering dogwood trees, which benefits a wide range of species, a Purdue University report shows. (2010-06-08)

The seashell's inner beauty
Researchers have developed a nanoscale, layered material that comes close to nacre's properties, including its iridescence. The ability to nanomanufacture artificial nacre may provide lightweight, rigid composites for aircraft parts, artificial bone and other applications. (2003-05-27)

Scientists develop new technique that could improve heart attack prediction
An award-winning research project, funded by the British Heart Foundation, has tested a new imaging method which could help improve how doctors predict a patient's risk of having a heart attack. (2012-04-24)

Deconstruction of avant-garde cuisine could lead to even more fanciful dishes
One of the most iconic forms of avant-garde cuisine, also known as molecular gastronomy, involves the presentation of flavorful, edible liquids -- like cocktails or olive oil -- packaged into spheres. Now a team of scientists, in collaboration with world-renowned chef Ferran AdriĆ”, is getting to the bottom of what makes these delectable morsels possible. Their findings appear in ACS' The Journal of Physical Chemistry B. (2014-10-01)

Hybrid nanomaterials bristle with potential
Triple-layered nanoarray electrode promises to boost battery performance and enhance other electrochemical processes. (2018-08-12)

Cause of hardening of the arteries -- and potential treatment -- identified
A team of UK scientists have identified the mechanism behind hardening of the arteries, and shown in animal studies that a generic medication normally used to treat acne could be an effective treatment for the condition. (2019-06-11)

Astronomers make first calculations of magnetic activity in 'hot Jupiter' exoplanets
Signals from star-planet interactions tell of strong magnetic fields in 'hot Jupiters'. (2019-07-22)

Temple researchers identify new target regulating mitochondria during stress
Like an emergency response team that is called into action to save lives, stress response proteins in the heart are activated during a heart attack to help prevent cell death. As part of this process, Lewis Katz School of Medicine at Temple University researchers show for the first time that one of these specialized emergency responder proteins, known as MCUB, temporarily decreases harmful levels of calcium transport into mitochondria, the energy-generating batteries of cells. (2019-09-19)

Gulf of Mexico coral reefs to protect from storm surge in the future -- But will they?
LSU researcher Kristine DeLong uses 120,000-year-old fossils to predict how Gulf of Mexico coral reefs will respond to climate change toward the end of this century. (2019-12-04)

Chemists from RUDN University used crab shells to improve palladium catalysts
?hemists from RUDN University synthesized soluble biopolymers based on chitin from crab shells. Together with palladium, they form effective catalysts for organic reactions, and their nanoparticles can be re-used over ten times. (2020-12-14)

Scientists: Xenon improves properties of maxillofacial and orthopedic implants
Scientists of Tomsk Polytechnic University (TPU) jointly with the colleagues from Siberian State Medical University (SSMU) and Immanuel Kant Baltic Federal University (IKBFU) studied the properties of calcium phosphate coatings deposited on titanium implants in various inert gases environment. The researchers managed to discover that the use of xenon positively affects the physicochemical, mechanical and biological properties of the coatings used in oral and maxillofacial surgery, orthopedics and traumatology. (2020-12-15)

Mechanism discovered in worm defecation identifies potentially widespread cell-to-cell communication
The focus of two recent Nobel prizes, a species of roundworm has made possible another advance in the understanding of how cells talk to one another. (2008-02-21)

Mitigating the risk of geoengineering
Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have identified an aerosol for solar geoengineering that may be able to cool the planet while simultaneously repairing ozone damage. (2016-12-12)

Report details growing climate change threat to coral reefs
Global climate change poses a major threat to the world's coral reefs, which already are suffering from coastal development, overfishing, and pollution. A new report, co-authored by National Center for Atmospheric Research scientist Joan Kleypas, warns that changes in surface ocean temperature and chemistry will continue to damage these biologically vital and economically important ecosystems. (2004-02-13)

Novel insight into interaction between discharge plasma and cells via TRP channel
Researchers have discovered that the short-lived reactive species generated by plasma can enhance the calcium ion influx into cells. (2016-05-13)

Chili peppers help to unravel the mechanism of pain
Capsaicin, the active ingredient in chili peppers, is most often experienced as an irritant, but it may also be used to reduce pain. A new work published by Drs. Feng Qin and Jing Yao in this week's PLoS Biology uses capsaicin to uncover novel insight into how pain-receptor systems can adapt to painful stimuli. (2009-02-23)

New tool helps researchers, managers plan for sea scallop fishery in the future
Sea scallops, one of the most valuable commercial fisheries in the United States, are a well managed and monitored fishery, yet little is known about how changing ocean temperatures and ocean chemistry and other environmental factors could impact the fishery. A study in PLOS ONE describes a new computer model to help inform scallop management discussions and decisions in the coming decades. (2015-05-08)

University of Maryland research reveals true target of calcium channel blockers
A basic science discovery by University of Maryland School of Medicine scientists about calcium channel blockers, published in the December issue of the American Journal of Physiology, suggests that CCBs work differently than previously thought. The new findings may open the door to better treatments for heart problems and hypertension. (2002-12-04)

Researchers find cuttlebone's microstructure sits at a 'sweet spot'
Ling Li has a lesson in one of his mechanical engineering courses on how brittle materials like calcium carbonate behave under stress. In it, he takes a piece of chalk composed of the compound and snaps it in half to show his students the edge of one of the broken pieces. The break is blunt and straight. (2020-09-11)

Vitamin D deficiency in geriatric patients
The great majority of geriatric patients in a German rehabilitation hospital were found to have vitamin D deficiency. Stefan Schilling presents his study results in this week's issue of Deutsches Ƅrzteblatt International. (2012-02-03)

Nanometer-scale image reveals new details about formation of a marine shell
An atom-by-atom picture of a marine shell's first formation shows that magnesium and sodium ions may control how shells grow under different environmental conditions. (2016-10-24)

Oldest species of a marine mollusc discovered
An international research team, with Spanish participation, has discovered a new species of mollusc, Polyconites hadriani, in various parts of the Iberian Peninsula. The researchers say this species, which is the oldest in its genus, adapted to the acidification of the oceans that took place while it was in existence. This process could now determine the evolution of modern marine systems. (2011-02-22)

Receptors inside nerve cells may be a key to controlling pain
In real estate, location is key. It now seems the same concept holds true when it comes to stopping pain.New research at Washington University School of Medicine in St. Louis and McGill University in Montreal indicates that the location of receptors that transmit pain signals is important in how big or small a pain signal will be and how effectively drugs can block those signals. (2016-02-03)

Common blood pressure medication does not increase risk of breast cancer, new study finds
Women who take a common type of medication to control their blood pressure are not at increased risk of developing breast cancer due to the drug, according to new study by researchers at the Intermountain Medical Center Heart Institute in Murray, Utah. (2014-11-19)

Signs Of Past Life on Mars?
In the 16 August 1996 issue of Science, McKay et al. report the first identification of organic compounds in a Martian meteorite. The authors further suggest that these compounds, in conjunction with a number of mineralogical features observed in the rock, may be evidence of ancient Martian microorganisms. (1996-08-08)

First evidence of ocean acidification affecting live marine creatures in the Southern Ocean
The shells of marine snails -- known as pteropods -- living in the seas around Antarctica are being dissolved by ocean acidification according to a new study published this week in the journal Nature Geoscience. These tiny animals are a valuable food source for fish and birds and play an important role in the oceanic carbon cycle. (2012-11-25)

Country's largest estuary facing increasing acidification risk
Chesapeake Bay, the largest estuary in the United States and one of the largest in the world, is facing new risks from a layer of highly acidified water some 10 to 15 meters below the surface, a new study has found. (2017-08-28)

4-billion-year-old nitrogen-containing organic molecules discovered in Martian meteorites
Scientists exploring Mars and analysing Martian meteorite samples have found organic compounds essential for life: nitrogen-bearing organics in a 4-billion-year-old Martian meteorite. With a new high-spatial resolution in-situ N-chemical speciation technique, they found organic materials--either synthesised locally or delivered during the Noachian--preserved intact in carbonate minerals over a long geological period. Their presence requires abiotic or biotic N-fixation and ammonia storage, suggesting early Mars had a less oxidising environment than today. (2020-04-29)

High calcium levels in mitochondria linked to neuronal death in Alzheimer's disease
For the first time, using a mouse model of Alzheimer's disease, scientists at Massachusetts General Hospital have documented a link between raised levels of calcium in mitochondria and neuronal death in the living brain. (2020-05-12)

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