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Biosensors

Researchers at Florida Atlantic University (FAU) have created a cheap and simple biosensing platform that is able to detect the presence of various types of harmful bacteria and viruses in a single drop of blood. When used in conjunction with a smartphone, the system offers the potential of diagnosing diseases in remote locations from anywhere in the world. Read More
Turkeys may not be everyone's idea of beautiful birds, but they certainly have colorful skin on their heads. What's more, that skin changes color with the animal's mood. Scientists at the University of California, Berkeley, have now copied the process by which those color changes occur, and used it to create a biosensor that could be used to detect airborne toxins. Read More
Many claim that talking to plants helps them grow faster. But what if the plants could talk back? That’s what the EU-funded PLants Employed As SEnsing Devices (PLEASED) project is hoping to achieve by creating plant cyborgs, or "plant-borgs." While this technology won't allow green thumbs to carry on a conversation with their plants, it will provide feedback on their environment by enabling the plants to act as biosensors. Read More
If physicians have a sufficiently-early warning that a patient’s body is rejecting a transplanted organ, then there’s a good chance that they can stop the process via medication. Implanted electronic sensors could serve to provide that warning as early as possible, and thanks to new research, they’re coming a step closer to practical use. Read More
A multidisciplinary Brazilian research team has developed a biosensor to measure pesticide content on food produce, water and soil. The technology is in its development phase, but if developed into a commercial product it could provide a cheap, affordable and portable method to monitor this type of contamination. Read More
We already know that smartphones can perform many of the same features as more expensive computers, cameras and other devices. Now, a portable iPhone cradle made up of about US$200 worth of electronics is claimed to be as accurate of a biosensor as a $50,000 spectrophotometer that remains stuck in a lab. Read More
Using a 3D printer, researchers at the University of Illinois have developed synthetic "bio-bots" about seven millimeters long that are powered by embedded cardiac cells that give them the ability to "walk" on their own. The researchers say they are just scratching the surface of what is possible, with their work potentially leading to millimeter-scale medical or environmental sensors that that can seek out and neutralize harmful toxins. Read More
Despite promising developments in recent years, millions of type-1 diabetes sufferers worldwide still face the often-painful daily burden of finger sticks to test their blood glucose levels. Now researchers at the Fraunhofer Institute for Microelectronic Circuits and Systems (IMS) have developed a biosensor that provides a non-invasive way to measure blood glucose levels and can transmit its readings wirelessly to a mobile device. Read More
Over the next six months, the United States Department of Homeland Security’s Science and Technology Directorate is releasing a harmless bacterium into the underground train system as part of its “Detect to Protect” program. It’s purpose isn’t to frighten commuters, but to test sensors designed to detect biological weapon attacks. Read More
Researchers led by Professor Stephen Arnold at Polytechnic Institute of New York University have developed a new ultra-sensitive biosensor. Currently undergoing commercial development, the sensor is designed to inexpensively identify viruses in a doctor’s office within a matter of minutes instead of the weeks needed by conventional techniques ... and it can detect even the smallest RNA virus particle, MS2, which weighs only six attograms (10-18 grams). Read More
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