News tagged with infrared spectroscopy
First-of-its-kind head patch monitors brain blood flow and oxygen
A research team led by investigators at Mayo Clinic in Florida has found that a small device worn on a patient's brow can be useful in monitoring stroke patients in the hospital. The device measures blood oxygen, similar ...
Medicine & Health / Cardiology
Feb 01, 2012 |
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Eye on ionization: Visualizing and controlling bound electron dynamics in strong laser fields
(PhysOrg.com) -- Subatomic events can be remarkably counterintuitive. Such is the case in theoretical physics when, under certain specific conditions, atoms exposed to intense infrared laser pulses remain ...
Oct 19, 2011 |
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Methane debate splits Mars community
Observations over the last decade suggest that methane clouds form briefly over Mars during the summer months. The discovery has left many scientists scratching their heads, since it doesn't fit into models ...
Space & Earth / Space Exploration
Sep 13, 2011 |
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Nano-FTIR-nanoscale infrared spectroscopy with a thermal source
Researchers from the Basque nanoscience research center CIC nanoGUNE and Neaspec GmbH (Germany) have developed an instrument that allows for recording infrared spectra with a thermal source at a resolution ...
May 09, 2011 |
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Powerful optical centrifuge created to study dynamics of fast spinning molecules
(PhysOrg.com) -- High-energy molecules play a major role in the chemistry of combustion, plasmas and the atmosphere. Scientists have been able to generate and investigate molecules with large amounts of vibrational, ...
Chemistry / Analytical Chemistry
Apr 11, 2011 |
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International first: Gas-phase carbonic acid isolated
A team of chemists headed by Thomas Loerting from the University of Innsbruck and Hinrich Grothe from the Vienna University of Technology (TU Wien) in Austria have prepared and isolated gas-phase carbonic ...
Jan 11, 2011 |
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Infrared sheds light on beneficial microbes
Infrared spectroscopy can quickly spot beneficial fungi on roots in soil, according to U.S. Department of Agriculture (USDA) soil scientist Francisco Calderon.
Dec 09, 2010 |
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Infants' hemodynamic responses to happy and angry facial expressions
Japanese research group led by Prof. Ryusuke Kakigi and Dr. Emi Nakato (National Institute for Physiological Sciences: NIPS) and Prof. Masami K Yamaguchi (Chuo University) found that the hemispheric differences in the temporal ...
Medicine & Health / Neuroscience
Nov 05, 2010 |
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The hair brush that reads your mind
(PhysOrg.com) -- One of the main techniques for measuring and monitoring mental activity, called functional near infrared spectroscopy (fNIRS), can often be impaired because a person's hair gets in the way. But now, thanks ...
Oct 19, 2010 |
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Water's choice: A tale of two numbers and the order they predict
(PhysOrg.com) -- Well-ordered structure or chaotic jumble? That's the choice when water is mixed with a salt and cooled down. Now, thanks to a rule discovered by scientists at Pacific Northwest National Laboratory ...
Oct 19, 2010 |
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Listening to ancient colors
A team of McGill chemists have discovered that a technique known as photoacoustic infrared spectroscopy could be used to identify the composition of pigments used in art work that is decades or even centuries old. Pigments ...
Chemistry / Analytical Chemistry
Sep 02, 2010 |
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Test finds E. coli in beef faster, could better trace outbreaks
Infrared spectroscopy can detect E. coli faster than current testing methods and can cut days off investigations of outbreaks, according to a study at Purdue University.
Chemistry / Analytical Chemistry
Aug 31, 2010 |
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Producing isolated laser pulses in attoseconds made easier using two-color laser field
Ultrafast time-resolved laser spectroscopy is a technique that uses the interaction of light with matter to study the properties of physical systems. Researchers can generate laser pulses lasting mere attoseconds ...
Aug 30, 2010 |
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How to count the messenger out: Mapping the structure of protonated water clusters
Water molecules are continuously forming short-lived networks called clusters. These can in turn bind positively charged protons, and such clusters can provide active functional groups in proteins. Using infrared spectroscopy, ...
Aug 24, 2010 |
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New device for patients to monitor blood glucose levels
People with type 1 diabetes must keep a careful eye on their blood glucose levels: Too much sugar can damage organs, while too little deprives the body of necessary fuel. Most patients must prick their fingers ...
Aug 09, 2010 |
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