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Tag: "solution" at biology news

Successful Test Of Single Molecule Switch Opens The Door To Biomolecular Electronics

... because of the problem of interaction between the solution and the electrodes. “Almost everything we know ab...part in charge transfer processes ?the ions in the solution are necessary to make the process happen. Yet almost every ‘molecular electronic?measurement made to...

New strategies to reduce hospital-aquired infections

...f-use 0.2 micron filters as a simple and effective solution to prevent waterborne microbe transmission to pati...patients. "Point-of-use filtration is a effective solution that can be easily applied to all types of water systems -- showers, faucets, and even ice machines ...

Distributed Basic Local Alignment Search Toolkit (W.ND-BLAST)

...f-use 0.2 micron filters as a simple and effective solution to prevent waterborne microbe transmission to pati...patients. "Point-of-use filtration is a effective solution that can be easily applied to all types of water systems -- showers, faucets, and even ice machines ...

Ariadne Genomics Announces the Release of PathwayStudio?Central, Client-Server Software for Biological Pathway Analysis

... data.?/p> PathwayStudio?Central is a scalable solution that can be easily deployed in a lab or throughout an entire organization, enabling pathway data sharing and user rights management. Server-side network analysis algorithms and MedScan information extraction tools allow for computation intensive task...

Purdue researchers use enzyme to clip 'DNA wires'

...bly to create electronic devices. When placed in a solution with magnetic particles that have a positive charge, the particles are automatically attracted to the DNA strands, which act as tiny scaffolds for creating wires. Other researchers have "metalized" DNA by coating it with copper, gold and platinum, b...

Engineers improve plastic's potential for use in implants by linking it to biological material

...tic-preferring peptide, Sanghvi and Miller added a solution containing bacteriophages that displayed different peptides to a container with polypyrrole stuck on its inner surface. The bacteriophages that didn't wash away when exposed to conditions that hinder attachment were retested on a new polypyrrole-coat...

Innovative coating could give medical implants a longer life

...ructures in the marine environment. Looking for a solution to the longevity problem in existing coatings, Messersmith teamed up with Annelise Barron, associate professor of chemical and biological engineering and an author on the paper. Barron is an expert at creating peptoids -- synthetic molecules that are...

Tsunami-damaged coral reefs should be left to recover naturally, say scientists

...ng reefs. We need to find a long-term, sustainable solution for restoration. "We're advocating a cleaning up of the debris in the majority of cases, so as to allow natural recovery processes to take place. Coral reefs have been subject to natural disasters for millions of years, and they have survived and ada...

Cancer drug slows poxvirus in mice

...m, the researchers treated mice with either saline solution or with Gleevec at a dose equivalent to that given to humans being treated for CML. Next, they exposed the mice to ordinarily lethal amounts of vaccinia. All of the Gleevec-treated mice survived, while 70 percent of the untreated mice died. This fin...

FDA Approves New Treatment for Chronic Hepatitis B

...approval of Baraclude (entecavir) tablets and oral solution for the treatment of chronic hepatitis B in adults. Chronic hepatitis B is a serious disease caused by the hepatitis B virus (HBV) that attacks the liver. The virus can cause lifelong infection, cirrhosis (scarring) of the liver, liver cancer, liver ...

Scientists discover global pattern of big fish diversity in open oceans

...lost biodiversity. "Our paper suggests there is a solution ?while some hotspots have already disappeared, there are still some very special places where species concentrate," says Worm. "We have the chance and the political measures to protect some of these areas. To me, it's the most important thing in the ...

MIT engineers an anti-cancer smart bomb

... other self-survival activities. The next obvious solution would be combining chemotherapy and anti-angiogenesis--dropping the bombs while cutting the supply lines. But combination therapy confronted an inherent engineering problem. "You can't deliver chemotherapy to tumors if you have destroyed the vessels ...

By creating molecular bridge, scientists change function of a protein

...w protein functions. "We now provide one possible solution to a long-lasting barrier that is important in the protein engineering area -- that is the creation of the new protein functions," Zhao said. "Our approach is to build a bridge between the existing protein function to the target new function by addin...

Aptamer-based Biosensor screens Air Force personnel and equipment

... it can be decontaminated by immersion in a bleach solution and then safely transported to a forensic laboratory for further analysis where it can be opened to retrieve the sample material. A liquid crystal display, or LCD, provides a quantitative readout of the concentration of targeted material present, an...

University of Nevada, Reno research team discovers hormone that causes malaria mosquito to urinate

... the way for better mosquito control. A potential solution to the problem of killing insects at any stage of development may be found in peptide hormones, small proteins in all animals that regulate most bodily functions. While researching the genome of the malaria mosquito, Schooley discovered two different...

Thinking the pain away? Study shows the brain's painkillers may cause 'placebo effect'

...t their jaw muscles with a concentrated salt water solution to cause pain. The injection was made while they were having their brains scanned by a positron emission tomography (PET) scanner. During one scan, they were told they would receive a medicine (in fact, a placebo) that might relieve pain. Every 15 s...

HIV Therapy Greatly Extends Life of Key T Cells, Scientists Find

..., investigators infused 32 volunteers with a sugar solution containing a harmless chemical label, deuterium (a non-radioactive, stable isotope), for five days. Nine volunteers were HIV-positive but had never received IL-2; 15 volunteers were HIV-positive and had received between three and 28 courses of IL-2; ...

Chemical 'band-aid' prevents heart failure in mice with muscular dystrophy

...etch test after bathing both types of cells with a solution of poloxamer 188, they found that it restored the ability of mdx myocytes to handle a 20 percent stretch without damage or increased levels of calcium. P188 had no effect on normal myocytes. The next step was testing the ability of P188 to prevent c...

Tagging pathogens with synthetic DNA 'barcodes'

...o on. If a mixture of several probes is added to a solution containing, for example, E. coli bacterial DNA, only probes with a particular color code will be programmed to bind to that DNA. The results can be seen under a fluorescent light microscope using colored filters that pass only one color at a time. A ...

Seaweed could make junk food healthier

...change people's habits and that the most practical solution is to improve the food they do eat. With a burger, for example, you would simply remove some of the fat and replace it with the seaweed extract, which is an entirely natural product from a sustainable resource. You'd have a healthier burger and it'...

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