Navigation Links
Graphene plasmonics beats the drug cheats
Date:1/13/2013

Writing in Nature Materials, the scientists, working with colleagues from Aix-Marseille University, have created a device which potentially can see one molecule though a simple optical system and can analyse its components within minutes. This uses plasmonics the study of vibrations of electrons in different materials.

The breakthrough could allow for rapid and more accurate drug testing for professional athletes as it could detect the presence of even trace amounts of a substance.

It could also be used at airports or other high-security locations to prevent would-be terrorists from concealing explosives or traffickers from smuggling drugs. Another possible use could be detecting viruses people might be suffering from.

Graphene, isolated for the first time at The University of Manchester in 2004, has the potential to revolutionise diverse applications from smartphones and ultrafast broadband to drug delivery and computer chips.

It has the potential to replace existing materials, such as silicon, but University of Manchester researchers believe it could truly find its place with new devices and materials yet to be invented.

The researchers, lead by Dr Sasha Grigorenko, suggested a new type of sensing devices: artificial materials with topological darkness. The devices show extremely high response to an attachment of just one relatively small molecule. This high sensitivity relies on topological properties of light phase.

To test their devices, researches covered them with graphene. They then introduced hydrogen onto the graphene, which allowed them to calibrate their devices with far superior sensitivity than with any other material.

Testing for toxins or drugs could be done using a simple blood test, with highly-accurate results in minutes. The researchers found that the sensitivity of their devices is three orders of magnitude better than that of existing models.

The academics, from the School of Physics and Astronomy, hope the research will show the practical applications from an emerging area of research singular optics.

Dr Grigorenko said: "The whole idea of this device is to see single molecules, and really see them, under a simple optical system, say a microscope.

"The singular optics which utilise the unusual phase properties of light is a big and emerging field of research, and we have shown how it can have practical applications which could be of great benefit.

"Graphene was one of the best materials we could have used to measure the sensitivity of these molecules. It is so easy to put the hydrogen on to it in controlled way.

"We are only starting to scratch the surface of what this research might tell us but it could have profound implications for drug detection, security and viruses."


'/>"/>

Contact: Daniel Cochlin
daniel.cochlin@manchester.ac.uk
44-161-275-8387
University of Manchester
Source:Eurekalert

Related biology news :

1. High-resolution atomic imaging of specimens in liquid by TEM using graphene liquid cell
2. Using graphene, scientists develop a less toxic way to rust-proof steel
3. New analysis of premature infants heartbeats, breathing could be cues for leaving NICU
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:6/21/2016)... 2016 NuData Security announced today that Randy ... principal product architect and that Jon Cunningham ... development. Both will report directly to Christopher ... reflect NuData,s strategic growth in its product and ... demand and customer focus values. ...
(Date:6/16/2016)... , June 16, 2016 ... is expected to reach USD 1.83 billion by ... View Research, Inc. Technological proliferation and increasing demand ... are expected to drive the market growth. ... The development of advanced multimodal techniques ...
(Date:6/9/2016)... innovation leader in attendance control systems is proud to announce the introduction of fingerprint ... sure the right employees are actually signing in, and to even control the opening ... ... ... Photo ...
Breaking Biology News(10 mins):
(Date:12/2/2016)... ... December 01, 2016 , ... ... for North American hospitals, will present its chain-of-custody solution for tracking and securing ... Las Vegas, Nev., Dec. 4-8, 2016. , Aerocom has a proven solution for ...
(Date:12/2/2016)... IL (PRWEB) , ... December 01, 2016 , ... ... to congratulate long-term client Nanowear on their recent FDA Class II 510(k) clearance ... cleared a significant hurdle in commercializing remote cardiac monitoring devices that rely on ...
(Date:12/2/2016)... The immunohistochemistry (IHC) market is projected to reach ... during the forecast period of 2016 to 2021 dominated by immunohistochemistry ... the largest share of immunohistochemistry (IHC) market, by end user.   ... , , ... across 225 pages, profiling 10 companies and supported with 181 tables ...
(Date:11/30/2016)... ALBANY, New York , November 30, 2016 /PRNewswire/ ... exceptionally consolidated as a few players hold a dominant ... Lonza Group, Charles River Laboratories International, Inc., and Merck ... global market in 2015. Transparency Market Research observes that ... they are focused on development products that are do ...
Breaking Biology Technology: