Optical sensors can quantitatively analyze chemical and biological samples by measuring and processing the optical signals produced by the samples. Optical sensors based on infrared absorption spectroscopy can achieve high ...
Analytical Chemistry
Jan 13, 2021
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University of Alabama at Birmingham physicists have taken the first step in a five-year effort to create novel compounds that surpass diamonds in heat resistance and nearly rival them in hardness.
Condensed Matter
Dec 11, 2017
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Researchers have demonstrated that an optical technique known as Raman spectroscopy can be used to differentiate between benign and cancerous thyroid cells. The new study shows Raman spectroscopy's potential as a tool to ...
Optics & Photonics
Aug 5, 2019
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Researchers from the Nanooptics Group at CIC nanoGUNE (San Sebastian) demonstrate that nanoscale infrared imaging—which is established as a surface-sensitive technique—can be employed for chemical nanoidentification of ...
Nanomaterials
Jul 23, 2020
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5
Laser physicists have succeeded in reducing the acquisition time for data required for reliable characterization of multidimensional electron motions by a factor of 1000.
Optics & Photonics
Feb 6, 2019
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In a Nature Communications paper published this week, IMEC, the world-leading research and innovation hub in nano-electronics and digital technology, describes a new concept for direct identification of single DNA bases. ...
Nanophysics
May 3, 2018
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It is challenging to analyze proteins at low concentrations, especially for those in a mixture of various conformations such as intrinsically disordered proteins (IDPs). A research team led by Prof. Huang Jinqing, Assistant ...
Biochemistry
Apr 28, 2021
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59
A new light source generates ultrashort infrared pulses at wavelengths around 12µm with previously unattained peak intensity and stability. First experiments in vibrational spectroscopy on water demonstrate the high potential ...
Optics & Photonics
Nov 21, 2022
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3
Photoacoustic spectroscopy applied to background-free analyses was used to measure unprecedentedly small trace gas concentrations. Teemu Tomberg from the University of Helsinki developed detection methods that make it possible ...
Optics & Photonics
Oct 30, 2020
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7
Researchers in Korea have developed a technique that can easily analyze the optical activity of charged compounds by using nuclear magnetic resonance spectroscopy.
Analytical Chemistry
Nov 23, 2015
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