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Tag: "additive" at biology news

Disease diagnosis, biodefense among UH chemical research projects

...l other authors, will present research on "Neutral additive effects on metal affinity adsorption of nucleic acids." Purification of nucleic acids (DNA and RNA) is important in diagnosing genetic diseases, genome sequencing and making DNA-based vaccines for diseases like Ebola and HIV. ### For more informati...

Pinpointing a culprit molecule in Alzheimer's disease

...rease in amyloid deposition that was more than the additive effect of the two mutations. The researchers pointed out that test tube studies have shown that Ab42 aggregates more readily. "Thus, the simplest explanation for the complete lack of pathology in the [Ab40] mice would be the relative inability of Ab...

Aloe vera coating may prolong freshness, safety of fruits and vegetables

... future you could be eating the gel as a healthful additive to your fruits and veggies. Researchers in Spain say they have developed a gel from the tropical plant that can be used as an edible coating to prolong the quality and safety of fresh produce. The gel, which does not appear to affect food taste or ap...

Green diesel: New process makes liquid transportation fuel from plants

...o sulfur-free liquid alkanes resulting in an ideal additive for diesel transportation fuel. Co-researchers include chemical and biological engineering graduate students George Huber, Juben Chheda and Chris Barrett. "It's a very efficient process," says Huber. "The fuel produced contains 90 percent of the ene...

Genetic and environmental influences on alcohol consumption among rhesus monkeys

...ve to seven weeks. "This study demonstrates that additive genetic factors contribute to the observed inter-i...r absence of a gene's given alleles. For example, additive genetic variance accounts for the genetic component of resemblance or non-resemblance that may exist...

Behavioral studies show UV contributes to marsupial color vision

...-tailed dunnart (Sminthopsis crassicaudata), using additive color mixture experiments in which choice between a colored light (training wavelength) and an additive mixture of two different colored lights (primary wavelengths) is based exclusively on differences in...

Polymer aids in blood clotting, pointing way to new treatment

...hem, they will test the use of polyphosphate as an additive to topical agents as well as new nanotechnologies in an animal model to develop effective treatments for situations involving uncontrollable bleeding. Such scenarios, Morrissey said, could include treatment for wounds sustained on battlefields or in...

Fly's courtship sheds light on the formation of innate behaviors

...ut interlinked steps that are regulated to have an additive effect on the success of the courtship behavior as a whole. Studying various mutants, the researchers were able to uncouple the later steps of copulation from the earlier courtship steps, assigning specific populations of neurons to the behaviors i...

St. Jude test of bird flu vaccine proves successful

...ompany's Vaxfectin TM adjuvant. An adjuvant is an additive administered with a vaccine that has little effect by itself, but improves the response of the immune system to the vaccine. ...

Engineered yeast speeds ethanol production

... the U.S. energy supply. Currently used as a fuel additive to improve gasoline combustibility, ethanol is often touted as a potential solution to the growing oil-driven energy crisis. But there are significant obstacles to producing ethanol. One is that high ethanol levels are toxic to the yeast that ferment...

Mechanical 'artificial hearts' can remove need for heart transplant by returning heart to normal

...ll patients and we believe that this is due to the additive effects of the particular combination therapy used. The improvement observed was far greater than what has been reported to date for any other therapy in patients with severe, but less advanced, forms of heart failure. "The study also highlights t...

Lower carbon dioxide emissions from coal-fueled power plants possible with technology development

... work to improve this approach by using a chemical additive to increase the rate of carbon dioxide absorption into the solution, and assessing the overall capture process using computer models. Actual tests of the carbon capture process will be run on a small, pilot plant at the J.J. Pickle Research Campus. ...

Massey researchers induce cell death in leukemia

...n cells from four of five patients, while exerting additive effects in cells from one patient. Notably, pronounced lethality was observed following treatment of cells with very low concentrations of the agents. Parallel studies conducted on two established CLL cell lines provided additional preclinical ev...

Arsenic in chicken feed may pose health risks to humans, C&EN reports

...ndangered by some food additives. An arsenic-based additive used in chicken feed may pose health risks to huma...ociety. Roxarsone, the most common arsenic-based additive used in chicken feed, is used to promote growth, kill parasites and improve pigmentation of chicken ...

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