News tagged with polyphosphate
Polyphosphate
Triphosphates are salts or esters of polymeric oxyanions formed from tetrahedral PO4 (phosphate) structural units linked together by sharing oxygen atoms. When two corners are shared the polyphosphate may have a linear chain structure or a cyclic ring structure. In biology the polyphosphate esters AMP, ADP and ATP are involved in energy transfer. A variety of polyphosphates find application in mineral sequestration in municipal waters, generally being present at 1 to 5 pm. GTP, CTP, and UTP are also nucleotides important in the protein synthesis, lipid synthesis and carbohydrate metabolism, respectively.
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Last universal common ancestor more complex than previously thought
Scientists call it LUCA, the Last Universal Common Ancestor, but they don't know much about this great-grandparent of all living things. Many believe LUCA was little more than a crude assemblage of molecular parts, a chemical ...
Oct 05, 2011 |
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Engineered bacteria mop up mercury spills
Thousands of tonnes of toxic mercury are released into the environment every year. Much of this collects in sediment where it is converted into toxic methyl mercury, and enters the food chain ending up in the fish we eat. ...
Aug 12, 2011 |
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Newly discovered mechanism by which blood clots form
Polyphosphate from blood platelets plays a key role in inflammation and the formation of blood clots, scientists from the Swedish medical university Karolinska Institutet have shown. The study, which is presented in the prestigious ...
Medicine & Health / Medical research
Dec 10, 2009 |
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New study reveals the protein that makes phosphate chains in yeast
Phosphate chains store energy and have many more different functions in a cell.
Apr 23, 2009 |
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Search results for polyphosphate
'Bacterial shock' to recapture essential phosphate
Bacteria could be exploited to recapture dwindling phosphate reserves from wastewater according to research presented at the Society for General Microbiology's Spring Conference in Dublin this week.
Mar 27, 2012 |
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Cold War's nuclear wastes pose challenges to science, engineering, society
Seven papers published in the current issue of Technology and Innovation, Proceedings of the National Academy of Inventors report on efforts by the U.S. Department of Energy (DOE) to ensure continued safe and secure storag ...
Oct 12, 2011 |
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Study finds gene associated with aggressive skin cancer
The loss of a gene known as INPP5A could predict the onset, and track the progression, of an aggressive type of skin cancer, according to a study published today by the Arizona Cancer Center, Mayo Clinic and the Translational ...
Sep 28, 2010 |
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Cancer drugs may help stop major parasite
A parasite estimated to afflict as many as 12 million people worldwide relies on a family of genes that should make it vulnerable to compounds developed to treat cancer and other disorders, researchers at ...
Medicine & Health / Medical research
Jul 16, 2010 |
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Slippery Customer: A Greener Antiwear Additive for Engine Oils
(PhysOrg.com) -- Titanium, a protean element with applications from pigments to aerospace alloys, could get a new role as an environmentally friendly additive for automotive oil, thanks to work by materials ...
Jul 23, 2008 |
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New research shows how marine organisms help oceans sequester carbon
As the international search for ways to remove carbon dioxide and other greenhouse gases from the environment intensifies, a team of scientists has identified a process by which marine organisms influence ...
Jun 09, 2008 |
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Diatoms discovered to remove phosphorus from oceans
Scientists at the Georgia Institute of Technology have discovered a new way that phosphorus is naturally removed from the oceans – its stored in diatoms. The discovery opens up a new realm of research into ...
Biology /
May 02, 2008 |
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List of search results for polyphosphate
