(PhysOrg.com) -- Scientists in the US have developed a disposable, non-invasive new biosensor to monitor levels of the stress hormone, cortisol, and say the ultrasensitive electrochemical impedance technique it uses could ...
A cluster of carbon nanotubes coated with a thin layer of protein-recognizing polymer form a biosensor capable of using electrochemical signals to detect minute amounts of proteins, which could provide a crucial new diagnostic ...
Bio & Medicine
Jun 27, 2010
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(PhysOrg.com) -- A strip of paper infused with carbon nanotubes can quickly and inexpensively detect a toxin produced by algae in drinking water. Engineers at the University of Michigan led the development of the new biosensor.
Bio & Medicine
Jan 8, 2010
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(PhysOrg.com) -- Scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have found a new way to use a synthetic form of DNA to control the assembly of nanoparticles — this time resulting in switchable, ...
Bio & Medicine
Dec 21, 2009
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Searching for biomarkers that can warn of diseases such as cancer while they are still in their earliest stage is likely to become far easier thanks to an innovative biosensor chip developed by Stanford University researchers.
Bio & Medicine
Oct 13, 2009
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A research group from the Rovira i Virgili University (URV) in Tarragona, Spain, has developed a biosensor that can immediately detect very low levels of Salmonella typhi, the bacteria that causes typhoid fever. The technique ...
Analytical Chemistry
Sep 8, 2009
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(PhysOrg.com) -- Surgical removal of a tissue sample is now the standard for diagnosing cancer. Such procedures, known as biopsies, are accurate but offer only a snapshot of the tumor at a single moment in time.
Bio & Medicine
Jul 21, 2009
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An ingenious new method of obtaining marine microbe samples while preserving the microbes' natural gene expression has yielded an unexpected boon: the presence of many varieties of small RNAs — snippets of RNA that act ...
Cell & Microbiology
May 13, 2009
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(PhysOrg.com) -- Researchers have created a precise biosensor for detecting blood glucose and potentially many other biological molecules by using hollow structures called single-wall carbon nanotubes anchored to gold-coated ...
Bio & Medicine
Jan 22, 2009
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Researchers at Nano Life Science Institute (WPI-NanoLSI), Kanazawa University report in Biosensors and Bioelectronics: X a novel approach for detecting a particular biomolecule associated with several diseases. The results ...
Bio & Medicine
Jun 13, 2024
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