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Tag: "waste" at biology news

Bioartificial kidney under study at MCG

...aced the ability of the kidneys to rid the body of waste products and correct abnormalities in blood chemis...electrolytes runs on the outside. Through osmosis, waste products in the blood migrate across the fibers into the solution. The now-dirty solution is discard...

Tiny particles could solve billion-dollar problem

...ter. It is found at 60 percent of the contaminated waste sites on the Superfund National Priorities List, and it is considered one of the most hazardous chemicals at these sites because of its prevalence and its toxicity. Human exposure to TCE has been linked to liver damage, impaired pregnancies and cance...

The secret to longevity in tubeworms

...olleagues now provide a solution: by releasing its waste sulfate not up into the ocean but down into the sediments, L. luymesi stimulates the growth of sulfide-producing microbes, and ensures its own long-term survival. The sulfide this worm needs is created by a consortium of bacteria and archaea that li...

Placenta Is A Rich Source Of Blood Stem Cells

...n seen as simply a place for nutrient exchange and waste removal between mother and fetus. But rather than merely providing nutrients, Orkin says, the placenta may also provide an ''infusion'' of blood stem cells to the fetus. ''This research reveals a new organ for blood development,'' Orkin says. ''It i...

Not-for-profit publishers call NIH public access rule a missed opportunity

.... "This is a missed opportunity that represents a waste of government resources," said Martin Frank, PhD, Executive Director, American Physiological Society and coordinator of the DC Principles Coalition. "It is noteworthy that NIH has admitted that it has done no economic analysis of the rule's impact." ...

Fleshing out the genome

...o DOE for its potential in nuclear and heavy metal waste remediation--were considered as hypothetical. This work identified 538 of these genes that expressed functional proteins and messenger RNA, accounting for a third of the hypothetical genes. They enlisted analytic software to scour public databases an...

Microbial fuel cell: High yield hydrogen source and wastewater cleaner

...e wastewater. "While there is likely insufficient waste biomass to sustain a global hydrogen economy, this form of renewable energy production may help offset the substantial costs of wastewater treatment as well as provide a contribution to nations able to harness hydrogen as an energy source," Logan not...

Anammox bacteria produce nitrogen gas in oceans' snackbar

... current methods of nutrient nitrogen removal from waste water. The running costs of a waste water treatment system using the anammox process are only 10% of the costs of current treatment syst...

Study uncovers bacteria's worst enemy

...remediate environmental contamination from nuclear waste and processing activities may depend more upon how.... In fact, the bacteria's worst enemy in a nuclear waste site may not be the radioactive elements, but rather, the other toxic metals that might also be foun...

UN environmental agency steps up battle against marine pollution

...ir Disposal, seeks to raise awareness on hazardous waste and marine pollution. The main area of cooperatio...The Convention regulates the movement of hazardous waste and obliges its members to ensure that such wastes are managed and disposed of in an environmentally...

Natural Killers Could Lead to New Hepatitis Treatments

...nce in the liver. The liver detoxifies and removes waste products from the blood. Inside the liver, vascular passages, or “sinusoids,?are filled with a witches' brew of nutrients, toxins, proteins, lipids and other chemicals. Thus, immune guardians that patrol the liver must tolerate many foreign molecules...

Scientists find viruses can't stick to sea bugs in the dark

...blooms, poisoning huge areas of the sea with their waste products and killing fish, sea mammals such as whales, dolphins and seals, and even humans. Control of these blooms is vital to the health of the seas. "Research using cyanophages to control blooms of cyanobacteria must take light into consideration...

It's electric: Cows show promise as powerplants

...mers already use the methane released by livestock waste to power machinery and lights. But converting meth...put," Christy said. "Both studies suggest that cow waste is a promising fuel source. It's cheap and plentiful, and it may someday be a useful source of susta...

Researchers extend mouse lifespan by protecting against free radicals

...xide into water and oxygen. Hydrogen peroxide is a waste product of metabolism and it can be a the precursor of free radicals that can damage the cell. The damage can in turn lead to more flaws in the cell's chemical processes, making a vicious cycle that leads to more free radicals, more cellular damage, ...

Researchers Discover That Microbes Can Produce Miniature Electrical Wires

...may enable a microbial community in a contaminated waste site to form mini-power grids could provide new ap...using microbes to assist in the remediation of DOE waste sites; to support the operation of mini-environmental sensors, and to nano-manufacture in novel biol...

New type of rejection blocker protects kidneys after transplant

...FR) -- a measure of the kidney's ability to filter waste -- as an indicator of how well transplanted kidneys were functioning. The GFR was significantly higher at 12 months for patients receiving both the intensive and less intensive belatacept regimens compared to cyclosporine patients. Another indicator ...

Beyond genes: Lipid helps cell wall protein fold into proper shape

...outer surface of cells. Transport of nutrients and waste material across the cell membrane is then governed by the specific proteins associated with it. In a strain of E. coli lacking PE, the GabP protein misfolded, with two areas of the protein inverting from their normal structure. The PE-lacking protei...

Research suggests fitness of Florida panthers improved by limited breeding with Texas animals

...e is not going to work. Some thought it would be a waste of time, a waste of money." Pimm was himself skeptical about the success of such a rescue attempt in his 1991 book, ...

Pollution-eating bacteria produce electricity

...icrobial fuel cells using simple sugars or organic waste products. What makes Milliken's and May's discover...f wastewaters, thereby resulting in the removal of waste and generation of electricity." Another unique characteristic of these bacteria is that they are th...

Controlling wildlife trade key to preventing health crises, study says

...ers in market places and villages also consume the waste and remnants of infected trade animals providing further opportunity for cross-species transmission. Since 1980, at least 35 new infectious diseases, including HIV and Ebola Hemorraghic Fever, have emerged in humans, averaging one disease every 8 mo...

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