282 Current news about the topic sensors

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How to track and trace a protein: Nanosensors monitor intracellular deliveries

20-Jun-2018

Researchers at the University of Basel’s Biozentrum have developed a method for tracing the movement of proteins within the cell. They tagged proteins with tiny nanosensors, so-called nanobodies, which enable the scientists to live track and trace the proteins' pathway through the cell. The ...

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Color Change Unmasks Lead

Triplex-signal chemosensor for naked eye and spectrometric lead detection

29-May-2018

Environmental lead exposure is one of the most significant public health threats worldwide. Consequently, reliable, quick, inexpensive, and easy-to-handle lead assays are urgently needed. Scientists have now presented a novel chemosensor for lead. It offers a triplex signal upon binding of lead ...

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Genes that helps prevent brain disease

18-May-2018

Scientists know that faulty proteins can cause harmful deposits or "aggregates" in neurological disorders such as Alzheimer's and Parkinson's disease. Although the causes of these protein deposits remain a mystery, it is known that abnormal aggregates can result when cells fail to transmit proper ...

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A faster and more efficient way to process information

15-May-2018

University of Waterloo chemists have found a much faster and more efficient way to store and process information by expanding the limitations of how the flow of electricity can be used and managed. In a recently released study, the chemists discovered that light can induce magnetization in ...

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Nanoscale measurements 100x more precise, thanks to improved two-photon technique

08-May-2018

Technique uses photons, fundamental components of light, to measure nanoscopic materials thinner than 100,000th the width of a human hair - with 30,000 fired per second and 500bn throughout Research will mean measurements 100x more precise than existing two-photon techniques - with the potential ...

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GLUT5 fluorescent probe fingerprints cancer cells

23-Apr-2018

Determining the presence of cancer, as well as its type and malignancy, is a stressful process for patients that can take up to two weeks to get a diagnosis. With a new bit of technology--a sugar-transporting biosensor--researchers at Michigan Technological University hope to reduce that ...

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How the internal compass is constructed in magnetotactic bacteria

19-Apr-2018

Magnetotactic bacteria are usually found in freshwater and marine sediments. One species, Magnetospirillum gryphiswaldense, is easily cultivated in the lab - with or without magnetic nanoparticles in their interior depending on the presence or absence of iron in the local environment. "So these ...

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Dog's nose inspires new gas sensor materials

08-Mar-2018

It is well known that dogs have a better sense of smell than humans. For years, researchers have been trying to develop an artificial detector that is just as good as a canine's nose. Now, one group reports in ACS Nano that they were able to mimic a dog's sniffer with graphene-based ...

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Easy printing of biosensors made of graphene

Cost-effective roll-to-roll production

05-Mar-2018

Cell-based biosensors can simulate the effect of various substances, such as drugs, on the human body in the laboratory. Depending on the measuring principle, though, producing them can be expensive. As a result, they are often not used. Cost factors for sensors that perform measurements ...

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Nanomushroom sensors: One material, many applications

27-Feb-2018

A small rectangle of pink glass, about the size of a postage stamp, sits on Professor Amy Shen's desk. Despite its outwardly modest appearance, this little glass slide has the potential to revolutionize a wide range of processes, from monitoring food quality to diagnosing diseases. The slide is ...

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