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Wednesday, February 5, 2025
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Molecular spectroscopy is photonics at its most fundamental: the interaction between light and matter. The information that this technique uncovers is also fundamental to us and to how we relate to every other organism around us. From routine analysis to specialist testing, molecular spectroscopy is used in chemistry, pharmacy, medicine, food control, environment, the life sciences and many other areas.
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Noninvasive Optical System Reveals Oral Cancer Signs
A new spectral imaging system holds promise for rapid, noninvasive screenings for oral cancers. The Diffuse Reflectance Imaging System (DRIS), developed by a team from the Centre for Earth Science Studies, identifies the margins of a lesion that cannot be easily visualized by the naked eye during invasive surgical interventions, said Dr. Narayanan Subhash, who led the research team.
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Photoacoustic Spectroscopy Takes Sting Out of Glucose Testing
A noninvasive method involving mid-IR photoacoustic spectroscopy (PAS) could make life easier for the more than 347 million people worldwide who live with diabetes. The new method, developed at Johann Wolfgang Goethe University, negates the need for the needle. Using IR laser light applied on top of the skin, the researchers measured sugar levels in the fluid in and under skin cells to read blood sugar levels.
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Transform the Way
You Read
Photonics Media
Photonics Spectra, BioPhotonics, EuroPhotonics and Industrial Photonics are now available as free mobile apps. Download each issue as it is published, search archived issues and access real-time news/products updates.
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Subsurface Structures Probed via Spectroscopy
The hidden junctures where different layers of materials meet could become less mysterious under a new spectroscopy technique developed using the Advanced Light Source (ALS) at Lawrence Berkeley National Laboratory.
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Nano-FTIR Offers Versatility in Protein Studies
A new technique called Fourier transform infrared nanospectroscopy (nano-FTIR) overcomes the diffraction limits of mid-infrared spectroscopy for label-free chemical and structural imaging of protein structures with high resolution (less than 30 nm) and extreme sensitivity. The method maps protein structures with 30-nm lateral resolution and sensitivity to individual protein complexes of less than one attogram (10−18 gram).
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Trends in Spectroscopy: IR, UV-VIS Techniques Are Safe,
Speedy and Skin-Deep
Spectroscopy is leading the way in both health care and medical research as a novel tool for improving diagnostics, disease detection and sensing. Dozens of spectroscopic techniques have evolved since the Indian researcher Sir C.V. Raman discovered a spectroscopic technique to observe molecular vibration and rotation in the 1920s. In more recent years, several exciting advances have made spectroscopy across the spectrum from near-IR to UV-VIS particularly invaluable for its promise in biomedical applications.
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There are more than 2,000 technical sessions available to choose from with this year's conference at PITTCON. The 2014 comprehensive Technical Program will include, but not limited to, areas of analytical chemistry, applied spectroscopy, life sciences, bioanalysis, and food sciences.
More info >>
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FEATURED VIDEO
Continuum – Introducing Vista
The Vista dye laser offers the highest resolution (<0.03 cm-1) with the highest conversion efficiency (>30%) and the finest precision scanning, all combined to deliver optimal performance with every scan.
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FEATURED WHITE PAPER
Power Technology's iMAT® DPSS Laser Platform Ideal for Raman Spectroscopy
Power Technology's iMAT® series of DPSS lasers are inherently beneficial to the Raman Spectroscopy industry because of its patented technology which inherently produces actively stabilized single frequency wavelengths at 532 nm and 1064 nm. This revolutionary technology earned international recognition by winning the Frost & Sullivan European Diode-Pumped Solid State Laser Technology Innovation of the Year award in 2009.
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