Quick test finds signs of diarrheal disease

Bioengineers at Rice University and the University of Texas Medical Branch (UTMB) at Galveston have developed a simple, highly sensitive and efficient test for the diarrheal disease cryptosporidiosis that could have great ...

Multicolor quantum dots aid in cancer biopsy diagnosis

The tunable fluorescent nanoparticles known as quantum dots make ideal tools for distinguishing and identifying rare cancer cells in tissue biopsies, Emory and Georgia Tech scientists have demonstrated.

First comprehensive test to detect genetic modification in food

As the abundance of genetically modified (GM) foods continues to grow, so does the demand for monitoring and labeling them. The genes of GM plants used for food are tweaked to make them more healthful or pest-resistant, but ...

Team develops new technique for dating silk

Strand for strand no fabric can compare to the luxurious feel, luminosity and sheen of pure silk. Since millennia, the Chinese have been unraveling the cocoons of the silk worm (Bombyx mori) and weaving the fibers into sumptuous ...

Roles of web analytics companies in news production

Today, web analytics are increasingly used to gauge the success, present and future, of news content and related news products. Valerie Belair-Gagnon, an assistant professor in the University of Minnesota Hubbard School of ...

A highly sensitive SERS substrate for gas sensing

Trace gas sensing is critical for monitoring environmental pollution and detecting volatile organic compounds released from the human body. As a powerful analytical tool for identifying trace molecules, surface-enhanced Raman ...

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