Navigation Links
'NMR on a chip' features NIST magnetic mini-sensor
Date:2/19/2008

A super-sensitive mini-sensor developed at the National Institute of Standards and Technology (NIST) can detect nuclear magnetic resonance (NMR) in tiny samples of fluids flowing through a novel microchip. The prototype chip device, developed in a collaboration between NIST and the University of California, may have wide application as a sensitive chemical analyzer, for example in rapid screening to find new drugs.

As described in Proceedings of the National Academy of Sciences (PNAS),* the NMR chip detected magnetic signals from atomic nuclei in tap water flowing through a custom silicon chip that juxtaposes a tiny fluid channel and the NIST sensor. The Berkeley group recently co-developed this remote NMR technique for tracking small volumes of fluid or gas flow inside soft materials such as biological tissue or porous rock, for possible applications in industrial processes and oil exploration. The chip could be used in NMR spectroscopy, a widely used technique for determining physical, chemical, electronic and structural information about molecules. NMR signals are equivalent to those detected in MRI (magnetic resonance imaging) systems

Berkeley scientists selected the NIST sensor, a type of atomic magnetometer, for the chip device because of its small size and high sensitivity, which make it possible to detect weak magnetic resonance signals from a small sample of atoms in the adjacent microchannel. Detection is most efficient when the sensor and sample are about the same size and located close together, lead author Micah Ledbetter says. Thus, when samples are minute, as in economical screening of many chemicals, a small sensor is crucial, Ledbetter says.

Its small size and extreme sensitivity make the NIST sensor ideal for the microchip device, in contrast to SQUIDs (superconducting quantum interference devices) that require bulky equipment for cooling to cryogenic temperatures or conventional copper coils that need much higher magnetic fields (typically generated by large, superconducting magnets) like those in traditional MRI.

The results reported in the PNAS demonstrate another use for the NIST mini-sensor, a spin-off of NISTs miniature atomic clocks. The sensor already has been shown to have biomedical imaging applications (see New NIST Mini-Sensor May Have Biomedical and Security Applications).


'/>"/>

Contact: Laura Ost
laura.ost@nist.gov
303-497-4880
National Institute of Standards and Technology (NIST)
Source:Eurekalert  

Related medicine news :

1. AOA President Calls on Congress to Reauthorize SCHIP and Take Action to Ensure Health Care Coverage for All Americans
2. Pelosi: SCHIP Bill a Giant Step for Americas Children
3. Childrens Hospitals in Washington to Lobby Congress to Reauthorize SCHIP Now
4. Governor Rendell Announces CHIP Enrollment Clinics at Several Rite Aid Stores
5. Center for Health Transformation Founder Newt Gingrich Calls on Congress to Pass a Clean SCHIP Six-Month Extension
6. Gene chip data improved therapy in some patients with incurable cancer
7. Deep concern and disappointment with exclusion of Medicare from SCHIP legislation
8. Gene Chip Data Can Boost Cancer Outcomes
9. Statement by Robert Greenstein, Executive Director of the Center on Budget and Policy Priorities, on the New Congressional SCHIP Agreement
10. APHA Urges President Bush to Reconsider Unfounded Basis for SCHIP Veto
11. Statement on House/Senate Agreement on SCHIP Legislation
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
'NMR on a chip' features NIST magnetic mini-sensor
(Date:6/24/2016)... ... 2016 , ... Comfort Keepers® of San Diego, CA is excited to announce ... program to drive cancer patients to and from their cancer treatments. Comfort Keepers ... of life and ongoing independence. Getting to and from medical treatments is one ...
(Date:6/24/2016)... ... 2016 , ... People across the U.S. are sharpening their pencils and honing ... contest in which patients and their families pay tribute to a genetic counselor by ... Society of Genetic Counselors (NSGC) Annual Education Conference (AEC) this September. , In ...
(Date:6/24/2016)... ... June 24, 2016 , ... The Haute ... Dr. Barry M. Weintraub as a prominent plastic surgeon and the network’s newest ... world, and the most handsome men, look naturally attractive. Plastic surgery should be ...
(Date:6/24/2016)... Maryland (PRWEB) , ... June 24, 2016 , ... ... Angels is actively feeding the Frederick area economy by obtaining investment capital for ... over the past 2½ years that have already resulted in more than a ...
(Date:6/24/2016)... ... June 24, 2016 , ... Venture Construction Group (VCG) sponsors ... on June 20th at the Woodmont Country Club at 1201 Rockville Pike, Rockville, Maryland, ... to helping service members that have been wounded in battle and their families. Venture ...
Breaking Medicine News(10 mins):
(Date:6/24/2016)... 24, 2016 ... the addition of the " Global Markets for ... This report focuses on ... updated review, including its applications in various applications. The ... which includes three main industries: pharmaceutical and biotechnology, food ...
(Date:6/24/2016)... , June 24, 2016 Dehaier Medical ... the "Company"), which develops, markets and sells medical devices ... , signed a strategic cooperation agreement with Hongyuan ... "Hongyuan Supply Chain") on June 20, 2016, to develop ... the strategic cooperation agreement, Dehaier will leverage Hongyuan Supply ...
(Date:6/24/2016)... , June 24, 2016 ... Market by Type (Standard Pen Needles, Safety Pen Needles), ... (Insulin, GLP-1, Growth Hormone), Mode of Purchase (Retail, Non-Retail) ... MarketsandMarkets, This report studies the market for the forecast ... to reach USD 2.81 Billion by 2021 from USD ...
Breaking Medicine Technology: