News tagged with assay

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Detecting the Undetectable in Prostate Cancer Testing

Nanotechnology / Bio & Medicine

created Nov 18, 2009 | popularity 4 / 5 (1) | comments 1

(PhysOrg.com) -- A team of Northwestern University researchers, using an extremely sensitive nanotechnology-based tool known as the biobarcode system, has detected previously undetectable levels of prostate-specific antigen ...


Detecting the undetectable in prostate cancer screening

Medicine & Health / Cancer

created Oct 19, 2009 | popularity 5 / 5 (4) | comments 1

A team of Northwestern University researchers, using an extremely sensitive tool based on nanotechnology, has detected previously undetectable levels of prostate-specific antigen (PSA) in patients who have undergone radical ...


Nanoparticles Detect Telomerase Activity

Nanotechnology / Bio & Medicine

created Jul 24, 2008 | popularity 4.4 / 5 (13) | comments 4

Telomerase, an enzyme that prevents chromosomes from shortening when they divide, is widely suspected of playing a key role in making cancer cells immortal. Though researchers have developed a variety of methods for measuring ...


Technique finds gene regulatory sites without knowledge of regulators

Biology / Cell & Microbiology

created Nov 19, 2009 | popularity not rated yet | comments 0

A new statistical technique developed by researchers at the University of Illinois allows scientists to scan a genome for specific gene-regulatory regions without requiring prior knowledge of the relevant transcription factors. ...


Widely used virus assay shown unreliable when compared to other methods

Medicine & Health / Research

created Oct 21, 2009 | popularity not rated yet | comments 0

In the course of doing research on the mosquito-borne pathogens chikungunya virus (CHIKV) and o' nyong-nyong virus (ONNV), Virginia Tech researchers have discovered an inconvenient truth about an assay, strand-specific quantitative ...