Navigation Links
Swell new sensors
Date:7/10/2014

WASHINGTON D.C., June 17, 2014 Using microscopic polymer light resonators that expand in the presence of specific gases, researchers at MIT's Quantum Photonics Laboratory have developed new optical sensors with predicted detection levels in the parts-per-billion range. Optical sensors are ideal for detecting trace gas concentrations due to their high signal-to-noise ratio, compact, lightweight nature, and immunity to electromagnetic interference.

Although other optical gas sensors had been developed before, the MIT team conceived an extremely sensitive, compact way to detect vanishingly small amounts of target molecules. They describe their new approach in the journal Applied Physics Letters, from AIP Publishing.

The researchers fabricated wavelength-scale photonic crystal cavities from PMMA, an inexpensive and flexible polymer that swells when it comes into contact with a target gas. The polymer is infused with fluorescent dye, which emits selectively at the resonant wavelength of the cavity through a process called the Purcell effect. At this resonance, a specific color of light reflects back and forth a few thousand times before eventually leaking out. A spectral filter detects this small color shift, which can occur at even sub-nanometer level swelling of the cavity, and in turn reveals the gas concentration.

"These polymers are often used as coatings on other materials, so they're abundant and safe to handle. Because of their deformation in response to biochemical substances, cavity sensors made entirely of this polymer lead to a sensor with faster response and much higher sensitivity," said Hannah Clevenson. Clevenson is a PhD student in the electrical engineering and computer science department at MIT, who led the experimental effort in the lab of principal investigator Dirk Englund.

PMMA can be treated to interact specifically with a wide range of different target chemicals, making the MIT team's sensor d
'/>"/>

Contact: Jason Socrates Bardi
jbardi@aip.org
240-535-4954
American Institute of Physics
Source:Eurekalert  

Page: 1 2

Related biology technology :

1. Using pressure to swell pores, not crush them
2. DTx Hosts Webinar on New Intel® Haswell Platform
3. Governor Cuomo Announces Continued Growth at Roswell Park Cancer Institute with Regional Economic Development Council Funding; RPCI Center for Personalized Medicine established with CTG (NASDAQ: CTGX) serving as its technology partner
4. Silicon-carbon electrodes snap, swell, dont pop
5. Menon Biosensors Demonstrates Industry Leading Sensitivity Levels for Detection of Tuberculosis and Clostridium difficile
6. Global Aptamers Market Technology Trend Analysis Market Report 2013-2018: Therapeutics, Diagnostics, Biosensors, Biomarker/Drug Discovery & Applications
7. New Accurate Temperature Sensors Now Offered by Oven Industries Inc
8. Chemists develop innovative nano-sensors for multiple proteins
9. Global Printed and Flexible Sensors 2013 Report: Forecasts, Players, Opportunities
10. LamdaGen Corporation Announces Japan Patent Issuance for Enzymatic Diagnostic Assays on Plasmonic Nano-Sensors
11. Burns Engineering Announces Expanded Selection of Miniature Temperature Sensors
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Swell new sensors
(Date:5/21/2015)... 21, 2015 /PRNewswire/ - SQI Diagnostics Inc. ("SQI" or ... that develops and commercializes proprietary technologies and products for ... results for the second fiscal quarter ended March 31, ... continued to advance business with our existing customers and ... President and CEO of SQI. "The delivery of a ...
(Date:5/21/2015)... , May 21, 2015  Susan Hedstrom, Executive ... a nonprofit organization dedicated to supporting research to ... (PWS), announced today that FPWR has received the ... Irina Shaulov contributed $1 million in support ... "Our gift ...
(Date:5/21/2015)... Calif. , May 21, 2015  The ... Orrin Hatch (R-UT) and Amy Klobuchar ... Extensions Now Accelerating Cures & Treatments, or OPEN ... rare disease patient advocacy organizations, this bipartisan legislation ... and affordable medicines to rare disease patients by ...
(Date:5/21/2015)... 21, 2015 Patent Offering, The patent’s ... diagnostic or therapeutic imaging within a body lumen (open ... endoscope having a low cost, single-use disposable illumination and ... was October 18, 2013 and the patent approval was ... the physician to customize the lighting and magnification of ...
Breaking Biology Technology:SQI Diagnostics Reports Second Quarter Financial Results 2SQI Diagnostics Reports Second Quarter Financial Results 3SQI Diagnostics Reports Second Quarter Financial Results 4SQI Diagnostics Reports Second Quarter Financial Results 5SQI Diagnostics Reports Second Quarter Financial Results 6SQI Diagnostics Reports Second Quarter Financial Results 7SQI Diagnostics Reports Second Quarter Financial Results 8The Foundation for Prader-Willi Research Receives $1M Contribution in Support of Clinical Initiatives 2Advocates Cheer Senate Leaders for Introducing Bipartisan Bill to Increase Number of Rare Disease Treatments 2IpAuctions™ Presents The Worlds Smallest Disposable Illuminated Endoscope For Auction 2IpAuctions™ Presents The Worlds Smallest Disposable Illuminated Endoscope For Auction 3
... SAN DIEGO, June 16 3M and,Gen-Probe ... that 3M has,discontinued the companies, collaboration to ... The companies, which are exploring the ... area, said the collaboration was,discontinued due to ...
... Alternatives to Protect Privacy and Advance,Healthcare, WASHINGTON, ... Insurance Portability and Accountability Act (HIPAA) is having ... and the search for,treatments that benefit society, says ... Centers (AAHC). HIPAA Creating Barriers to,Research and Discovery ...
... an,international association focused on endocrinological research and,practice, today hosted ... 08, the annual conference of the Society, which is ... 14,000 members from 80,countries, many of whom attend the ... and clinical care., The purpose of today,s call ...
Cached Biology Technology:3M Discontinues Collaboration with Gen-Probe to Develop Molecular Tests for Healthcare-Associated Infections 23M Discontinues Collaboration with Gen-Probe to Develop Molecular Tests for Healthcare-Associated Infections 3HIPAA Privacy Rule Impedes Biomedical Research 2'Breakthroughs Ahead,' Endocrine Society Tells Security Analysts 2
(Date:4/10/2015)... , April 10, 2015 ... addition of the "Security Competitive Profiles - NEC" ... http://photos.prnewswire.com/prnh/20130307/600769) , NEC will continue to supply ... to the market, with a company focus on the ... anticipated. Winning opportunities in the ...
(Date:4/8/2015)... 8, 2015  Infinisource, a leading provider of SaaS-based ... Morpho, a leading supplier of biometric identification and ... market,s most advanced biometrically-enabled time clock, the companies ... clock is setting a bold, new standard for ... the small and mid-size employer. When connected to ...
(Date:4/2/2015)... In the current eight ... the strongest competitors, showing outstanding performance in recognition ... is capable of a throughput of 5.000.000 fingerprints ... be ten times faster than most competitors and ...      (Photo: http://photos.prnewswire.com/prnh/20150402/738673-a ) , ...
Breaking Biology News(10 mins):NEC Security Competitive Profile 2015 2iSolved Time Clock Offers Unmatched Accuracy due to Morpho Biometrics 2iSolved Time Clock Offers Unmatched Accuracy due to Morpho Biometrics 3DERMALOG AFIS Emerges as Performance Winner in NIST Benchmark Test 2DERMALOG AFIS Emerges as Performance Winner in NIST Benchmark Test 3
... A new study by researchers at the University of ... finds that promoting cleaner, more efficient technologies for producing ... have significant climate change and development benefits. , The ... Asia and Latin America, is dependent on both wood ...
... a common chemotherapy agent, researchers at UCLA's Jonsson Cancer ... found a way to move an important biomarker expressed ... in a cell ?where it could not be accessed ... The discovery, outlined in the cover article of May ...
... available yet, but there's a recent wiki article with more ... a squirrel? A rat? A Guinea pig? Try none of the ... discovered a long-whiskered rodent with stubby legs and a tail covered ... rat. Because it's actually more like a guinea pig or chinchilla. ...
Cached Biology News:Study of energy and health in Africa focuses spotlight on charcoal and forest management 2Study of energy and health in Africa focuses spotlight on charcoal and forest management 3UCLA cancer researchers shake loose hidden biomarker 2Scientists discover odd-ball rodent 2
Request Info...
Request Info...
... Ambion's custom siRNA service provides the ... gene silencing research. Custom siRNAs can be ... 19-21 base target sequence, or by providing ... check out Ambion's Silencer Validated and Silencer ...
... Ambion's custom siRNA service provides the ... gene silencing research. Custom siRNAs can be ... 19-21 base target sequence, or by providing ... check out Ambion's Silencer Validated and Silencer ...
Biology Products: