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Tag: "solution" at biology news

Sandia researchers discover way to see how a drug attaches to a cell

...etergent) molecules. The liposomes are placed in a solution containing a platinum salt. When these liposomes are irradiated with light, photocatalysts located in the narrow space between the two layers of the lipid transfer electrons to the platinum ions. The uncharged platinum atoms gather into tiny metal cl...

Proteins may behave differently in natural environments

...e need to study how any macromolecule behaves in a solution environment." ...

Lab-on-a-chip could speed up treatment of drug-resistant pneumonia

...irst washed out of the patient's lungs with saline solution in a procedure called bronchoalveolar lavage. The organisms are then separated, suspended in a specially designed fluid, and pumped into the chip. Inside the chip, the bacteria flow into several different compartments -- eight in the current versi...

MIT material stops bleeding in seconds

... response in the animals being treated. When the solution containing the peptides is applied to bleeding wounds, the peptides self-assemble into a gel that essentially seals over the wound, without harming the nearby cells. Even after excess gel is removed, the wound remains sealed. The gel eventually break...

Engineered yeast speeds ethanol production

...ustibility, 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 ferments corn and other plant material into ethanol. By manipulating the yeast genome, t...

A new approach to growing heart muscle

...s increased when the BEHM tissues were bathed in a solution that included additional calcium and a drug that acts on beta-adrenergic receptors. Both are important to the signaling required to produce cohesive action by cells in tissue. The U-M team also assessed the BEHM's structure and function at differe...

BC catalyst discovery promises faster, cheaper drug production

...the practical point of view." "This is an elegant solution to a very important, practical problem, with the potential to result in more efficient, more environmentally friendly, and less expensive processes for manufacturing drugs. It's a great example of how NIH support for fundamental chemical research can...

Edible coatings will be the packaging of the future

...te gum". Mesquite gum, an efficacious and cheap solution To test the efficacy of the edible coatings compared to synthetic packaging, Javier Osés prepared a number of samples of milk serum protein films, of mesquite gum and of starch, and stored them for six months at different humidity levels. The fi...

Comprehensive model is first to map protein folding at atomic level

...ts biological function. Our paper provides a first solution to the folding problem, for small proteins, at an atomic level of detail." Fiendishly intricate, protein folding is crucial to the chemistry of life. Each of the body's 20 amino acids, the building blocks of proteins, is attracted or repulsed by w...

U of M researchers invent 'flashy' new process to turn soy oil, glucose into hydrogen

... hydrogen gas. Similarly, using a nearly saturated solution of glucose in water, the process heats the sugar so fast that it, too, breaks up into syngas instead of its usual products: carbon and water. A difficulty in turning plant material into usable fuels has been breaking down the chemical bonds in cell...

Does evolution select for faster evolvers?

...c mutations. "We have developed the first exact solution of a mathematical model of evolution that accounts for this cross-species genetic exchange," said Michael Deem, the John W. Cox Professor in Biochemical and Genetic Engineering and professor of physics and astronomy. The research appears in the Ja...

Fungal factories may save hemlock forests

...fungus—will be their factory. By spraying the whey solution into an infected forest, they believe they can get the adelgid-killing fungi to reproduce in large numbers on its own. "The sweet whey only costs 32 cents a pound," says Costa, who gets his donated from a New York-based cheese company, and receiv...

Opening windows may be the best way of preventing transmission of airborne infection

... that although “natural ventilation is not an easy solution for patients in countries where winters are cold ?the current practice of sealing in the local environment is probably the wrong route for hospital wards? ...

Immunization rates hit record high in poor countries

...fungus—will be their factory. By spraying the whey solution into an infected forest, they believe they can get the adelgid-killing fungi to reproduce in large numbers on its own. "The sweet whey only costs 32 cents a pound," says Costa, who gets his donated from a New York-based cheese company, and receiv...

How fish conquered the ocean

...fill with vital water and float. This is the major solution realized by extant marine teleosts that showed an unprecedented radiation during the late Cretaceous and early Paleogene Periods. The work is a unique hypothesis that integrates the cellular and molecular physiology of teleost reproduction with their...

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

... captures carbon dioxide gas by dissolving it in a solution containing the chemical monoethanolamine or a related amine. The solution is then boiled to produce pure carbon dioxide. In Rochelle’s campus laboratory, he will work to ...

A healthier start to a pig's life

...ease in resistant strains of bacteria. A radical solution has been found by using a lectin obtained from the red kidney bean plant. Lectins are proteins with the ability to bind cells together; typically red blood cells. The EUREKA Healthy Weaning project coordinator, Professor Stefan Pierzynowski of Lund U...

Triplex assay used to assay duplex genomic DNA

...s. The assays are carried out homogeneously and in solution at room temperature. Reactions can be monitored af...ts of oligo probes for the purpose of automatic in solution assay. The instrument is easy to program, self-cleaning and inexpensive. Daksis indicated that sh...

Nanotechnology shows promise as next wrinkle fighter

...ymer films from buckling and wrinkling. It's a new solution to a critical problem as thin films become more important in new technology such as electronic monitors. The cosmetic arsenal to fight human wrinkles embraces technologies that seems crossed with science fiction ?from microdermabrasians to lasers...

Natural gut hormone offers hope for new obesity drug

...polypeptide (PP), which they believe may provide a solution to appetite suppression and is the most likely candidate for translating into a treatment. "Developing a treatment based on natural appetite suppression, mimicking our body's response to being full, has the potential to be safe and effective," say...

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