180 Current news about the topic sensors

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UV-sensors from the oven

Scientists at Kiel University revolutionize the nanostructure production process

22-11-2013

Placed in fire detectors and water treatment units UV-sensors can save lives; also in many areas of industry and environment the demand for these devices is rising steadily. Scientists of Kiel University have been able to ”bake” nanostructures within seconds, in order to fabricate very fast ...

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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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Almost as sensitive as a dog's nose

New sensor for SERS Raman spectroscopy

02-09-2013

Scientists at ETH Zurich and the Lawrence Livermore National Laboratory (LLNL) in California have developed an innovative sensor for surface-enhanced Raman spectroscopy (SERS). Thanks to its unique surface properties at nanoscale, the method can be used to perform analyses that are more reliable, ...

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Why gold nanoparticles can penetrate cell walls

Gold nanoparticles with special coatings can deliver drugs or biosensors to a cell's interior without damaging it

26-08-2013

Cells are very good at protecting their precious contents — and as a result, it's very difficult to penetrate their membrane walls to deliver drugs, nutrients or biosensors without damaging or destroying the cell. One effective way of doing so, discovered in 2008, is to use nanoparticles of pure ...

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‘Forensic fingers’ for crime scene investigation

14-08-2013

A team of scientists in the United States has developed a wearable fingertip sensor to enable crime scene investigators to rapidly detect explosives and gunshot residue. Traditional forensic analysis is typically carried out in a central laboratory, which requires time-consuming processes such as ...

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Do you want to know how much caffeine is in your drink?

09-08-2013

A team of researchers led by Prof. Young-Tae Chang from National University of Singapore and Prof. Yoon-Kyoung Cho from Ulsan National Institute of Science and Technology (UNIST), Korea, developed a fluorescent caffeine detector and a detection kit that lights up like a traffic light when ...

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Sensors monitor cells at work

03-07-2013

Transport proteins are responsible for moving materials such as nutrients and metabolic products through a cell's outer membrane, which seals and protects all living cells, to the cell's interior. These transported molecules include sugars, which can be used to fuel growth or to respond to ...

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Nanotechnology helps track and improve drug action in pancreatic cancer

13-06-2013

UK and Australian scientists have been able to show ways in which we can markedly improve drug targeting of solid tumours, using tiny 'biosensors' along with new advanced imaging techniques. In real time and in three dimensions, these technologies can show us how cancers spread and how active ...

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A safe route to a needle-free diabetes sensor

11-06-2013

Research reports a new metal oxide semi-conductor (MOS)-based breath test for diabetes that can be produced safely and at a low cost, without employing flame spray pyrolysis. Flame spray pyrolysis is the usual method for making MOS-based sensors, but it can involve unsafe processing procedures ...

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