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Tag: "electronic" at biology news

Tiny particles could solve billion-dollar problem

... commonly used as a solvent to degrease metals and electronic parts, is one of the most common and poisonous organic pollutants in U.S. groundwater. 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 th...

Nanogen Issued Patent for Electronic Microarray With Memory

...logy is a key feature of Nanogen's NanoChip(R) 400 electronic microarray, the company's second generation multi-...st site activation and array usage directly on the electronic microarray cartridge. "This addition to our growing intellectual property portfolio illustrates our...

Mayo Clinic Researchers Create 'Obedient Virus'; First Step To Use Measles Virus Against Cancer

...nly. Their research findings appear as an advanced electronic article of Nature Biotechnology. The researchers harnessed the viral trait for attacking and commandeering cells, and then redirected the virus to attack diseased, rather than healthy cells. The work was done on laboratory animals implanted with two...

NIH Calls on Scientists to Speed Public Release of Research Publications

...licy requests that NIH-funded scientists submit an electronic version of the author's final manuscript, upon acc...icly-accessible, stable, permanent, and searchable electronic archive. The release of this policy follows months of intensive deliberations with representatives ...

Survey finds silver contamination in North Pacific waters

... issue of Geochemistry, Geophysics, Geosystems, an electronic journal published by the American Geophysical Union and the Geochemical Society. Ranville found silver concentrations as high as 1.2 parts per trillion in samples of North Pacific surface waters taken during the cruise. This is about 50 times higher...

Bioelectronic ‘signatures?hold key to DNA mutations

...tations may shepherd in an era of small, portable, electronic devices for the rapid screening and identification...onitor for future genetic testing,?Wang says. “The electronic detection of DNA is a thing of beauty. You can make it small, low-power, inexpensive and robust.?/p&...

Roche clinical trial registry and results database launched

...thin only three months after deciding to create an electronic database, Roche is launching a public clinical tri...ltrials.gov) Information that can be found in the electronic database Starting with Fuzeon and Bondronat, clinical trial information will be added in a staged ap...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...eatures from invading tents or destroying delicate electronic gear, the research team erected a 7-foot-tall clot..., the research team devised an experiment using an electronic shaker that converts acoustic sounds into vibrations. The device was brought to Mushara in 2002 and ...

Marine sponge yields nanoscale secrets

...eir instability, all make their incorporation into electronic devices impractical. Furthermore, the presence of proteins would be incompatible with the high electronic performance required for today's device applications. Instead, the scientists expect that by learni...

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

...e been identified as targets for use as nano-scale electronic components such as switches, photoelectric devices...le connections with single molecules to test their electronic behavior. Recently, this problem may have been solved by using the scanning probe microscope to make...

Purdue researchers use enzyme to clip 'DNA wires'

...e used in a process called self-assembly to create electronic devices. When placed in a solution with magnetic p...elf-assembly might be used in the future to create electronic devices at lower cost than is possible with conventional manufacturing processes. Purdue researcher...

A probe, not an echo

...number -- and its number only -- from the flood of electronic signals on the air at any given time. When the transducer captures the signal, it is processed with advanced signal processing algorithms, specially developed by Marmarelis' group, to form the multi-band images. Different kinds of tissue allow sligh...

Team Invents Device For Weighing Individual Molecules

...n frequency as microwaves. The researchers set up electronic circuitry to continually excite and monitor the frequency of the vibrating bar. Intermittently, a shutter is opened to expose the nanodevice to an atomic or molecular beam, in this case a very fine "spray" of xenon atoms or nitrogen molecules. Becaus...

Researchers use 3-D imaging system to unveil swimming behavior of microscopic plankton

...cquisition unit consisting of a computer and other electronic hardware. Fish TV's transmitters sent out 1.6 megahertz "pings" that bounced off the zooplankton and returned data to the instrument's receivers. It's a system not unlike those used in ultrasound procedures for biomedical applications. "One of the ...

Researchers Discover That Microbes Can Produce Miniature Electrical Wires

...l materials for the development of extremely small electronic devices.?/p> “The microbial world never stops ...wires, are required for further miniaturization of electronic devices. Manufacturing nanowires from more traditional materials such as metals, silica, or carbon i...

New defibrillator signals doctor of patient's irregular heartbeat or device malfunction

...lems." Implanted in the chest, the ICD is a small electronic device which shocks the heart back into a healthy rhythm if it detects an abnormal heartbeat. Irregular heartbeat (arrhythmia) is a major cause of death following heart attacks. Studies have shown mortality is lower in ICD-treated patients. ...

Pollution-eating bacteria produce electricity

...city at levels that could be used to operate small electronic devices. As long as the bacteria are fed fuel they are able to produce electricity 24 hours a day," says Charles Milliken of the Medical University of South Carolina, who conducted the research with colleague Harold May. The use of bacteria to creat...

Genomatix, AAAS ink agreement

...known as Science's STKE, that also functions as an electronic resource enabling scientists, researchers, students and educators to find, organize, and use information relevant to cell regulation processes. Leading authorities enter their knowledge about cell signaling into the Connections Maps database, which i...

NHGRI expands effort to revolutionize sequencing technologies

...ong fragments of genomic DNA based on their unique electronic signals. Susan H. Hardin, Ph.D., VisiGen Biotechnologies, Inc., Houston. $4.2 million (3 years) "Real-Time DNA Sequencing" This group is developing a sequencing system in which polymerase (an enzyme used to synthesize DNA molecules) and nucleotides...

Drug resistant avian influenza viruses more common in Southeast Asia than North America

...D (Program for Monitoring Emerging Diseases) is an electronic outbreak reporting system established by the International Society for Infectious Diseases to permit rapid and accurate monitoring of infectious disease outbreaks globally; and to serve as a central location for news, updates, and discussions of infe...

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