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Simple microfluidic devices now have valves

04-04-2014

Researchers at the National Institute of Standards and Technology (NIST) have added yet another innovation—miniature valves—to their ever-growing collection of inexpensive, easy-to-manufacture and highly efficient microfluidic devices made from plastic films and double-sided tape. Traditionally, ...

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Knowing whether food has spoiled without even opening the container

19-03-2014

A color-coded smart tag could tell consumers whether a carton of milk has turned sour or a can of green beans has spoiled without opening the containers, according to researchers. The tag, which would appear on the packaging, also could be used to determine if medications and other perishable ...

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Building new drugs just got easier

14-03-2014

Scientists at The Scripps Research Institute (TSRI) have developed a method for modifying organic molecules that significantly expands the possibilities for developing new pharmaceuticals and improving old ones. "This is a technology that can be applied directly to many medicinally relevant ...

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A faster way to flag bacteria-tainted food — and prevent illness

21-02-2014

The regular appearance of food poisoning in the news, including a recent event that led to the recall of more than 33,000 pounds of chicken, drives home the need for better bacterial detection long before meats and produce make it to the dinner table. On the horizon is a new approach for pathogen ...

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A faster way to flag bacteria-tainted food — and prevent illness

31-01-2014

The regular appearance of food poisoning in the news, including a recent event that led to the recall of more than 33,000 pounds of chicken, drives home the need for better bacterial detection long before meats and produce make it to the dinner table. On the horizon is a new approach for pathogen ...

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A silk coat for diamonds

29-01-2014

Silk and diamonds aren't just for ties and jewelry anymore. They're ingredients for a new kind of tiny glowing particle that could provide doctors and researchers with a novel technique for biological imaging and drug delivery. The new particles, just tens of nanometers across, are made of ...

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A new wrinkle in the control of waves

Flexible materials could provide new ways to control sound and light

27-01-2014

Flexible, layered materials textured with nanoscale wrinkles could provide a new way of controlling the wavelengths and distribution of waves, whether of sound or light. The new method, developed by researchers at MIT, could eventually find applications from nondestructive testing of materials to ...

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‘Detune’ a molecule

Rice University experiment shows how to soften atomic bonds in a buckyball

22-01-2014

Rice University scientists have found they can control the bonds between atoms in a molecule. The molecule in question is carbon-60, also known as the buckminsterfullerene and the buckyball, discovered at Rice in 1985. The scientists led by Rice physicists Yajing Li and Douglas Natelson found ...

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Nanotube-based sensors can be implanted under the skin for a year

05-11-2013

Nitric oxide (NO) is one of the most important signaling molecules in living cells, carrying messages within the brain and coordinating immune system functions. In many cancerous cells, levels are perturbed, but very little is known about how NO behaves in both healthy and cancerous ...

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Salmonella sensing system

A new approach to detecting food contamination enables real-time testing of food and processing plant equipment

22-10-2013

As anyone who has ever consumed bacteria-contaminated food and experienced "food poisoning" can tell you, it's a miserable experience. Yet it's an all-too-common one, with foodborne illnesses making 1 in 6 Americans -- or 48 million people -- sick each year. Of these people sickened, 128,000 end ...

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