October 24th 2024
A recent study used spectroscopic techniques to study the mineral composition of sedimentary rocks in Texas.
Achieving Ultra-Broadband Spectroscopic Measurements Using Infrared Spectroscopy
February 28th 2024In a recent study from Optica, researchers from Kyoto University attempt to resolve the limitations of traditional infrared (IR) spectroscopy by using quantum entangled photons to conduct broadband IR spectroscopy.
Photonics West: New Fourier-Based System to Improve Upon Neural Networks
February 8th 2024At SPIE Photonics West 2024, Jiachi Ye of the University of Florida held a presentation about a 4f-based free-space optical system (light-based computer) to address power consumption and speed limitations of calculations performed with convolutional neural networks (CNNs).
Peter Griffiths: Icon of Infrared Spectroscopy
February 1st 2024Spectroscopy is publishing a series of feature articles highlighting the lives and careers of the most influential spectroscopists over the past 100 years. These individuals were selected by our Editorial Advisory Board and team of editors to represent the leading figures in spectroscopy over the century. Our second featured Icon of Spectroscopy is Peter R. Griffiths.
Q&A: Portable FT-IR Empowers On-Site Food Quality Assurance
February 1st 2024Exploring the transformative capabilities of handheld Fourier transform infrared (FT-IR) spectrometers, Luis Rodriguez-Saona of The Ohio State University emphasizes their pivotal role in ensuring food integrity and safety across the entire supply chain.
Researchers Develop Efficient Nitroaromatic Compound Detection Method Using Novel Porous Polymers
December 20th 2023Detecting nitroaromatic compounds is essential to preserve the environment. A recent study out of China saw the development of new conjugated porous polymers (CPPs) that could improve detection of these volatile compounds.
Revolutionary Mid-Infrared Supermirrors Pave the Way for Breakthrough Sensing Technologies
December 8th 2023Researchers from Thorlabs Crystalline Solutions, the University of Vienna, and the National Institute of Standards and Technology have achieved a revolutionary breakthrough, publishing in Nature Communications, with mid-infrared supermirrors exhibiting finesse exceeding 400,000, promising unprecedented sensitivity for applications in trace gas sensing and precision spectroscopy.
FT-IR Titration Unveils pH Mysteries: New Insights into Protonated Mono and Polyamine Solutions
November 29th 2023Researchers from Technische Universität Dresden, reveal new insights into protonated mono and polyamines' behavior by determining pKa values using Fourier transform infrared titration, providing valuable data for chemical analysis.
Renewing ATR Spectroscopy: A Breakthrough in Overcoming Contact Challenges
November 14th 2023Luis G. Vieira from Universidade do Minho presents a new method in Applied Spectroscopy to address poor contact issues between the sample and the internal reflection element in attenuated total reflection (ATR) spectroscopy, ensuring accurate optical function determination and opening new avenues for precise material analysis
Analysis of Infrared and Raman Imaging Data Using Alternating and Modified Alternating Least Squares
November 1st 2023This study explores the enhanced performance of modified alternating least squares (MALS) over alternating least squares (ALS) in analyzing infrared and Raman image spectral data, highlighting the stability and computational efficiency of MALS.
Mona Lisa's Hidden Secrets: X-ray and Infrared Analyses Reveal Leonardo da Vinci's Palette
October 24th 2023High-resolution X-ray and infrared analyses of a tiny paint fragment from the Mona Lisa's ground layer uncovered Leonardo da Vinci's use of a unique mixture of saponified oil with high lead content, including the presence of the rare compound plumbonacrite, offering new insights into the artistic techniques and materials employed by the master.
Reflections from SciX 2023: Distinguishing Edible Oils with FT-IR
October 10th 2023In the Chemometrics in Food and Agriculture oral symposia today at SciX 2023, Barry Lavine of Oklahoma State University delivered a talk titled, “Authentication of Edible Oils Using an Infrared Spectral Library and Digital Sample Sets for Calibrated and Uncalibrated Adulterants.” Here is a brief reflection of his talk.