In the second part of this three-part interview, Ayanjeet Ghosh of the University of Alabama and Rohit Bhargava of the University of Illinois Urbana-Champaign discuss how machine learning (ML) is used in data analysis and go into more detail about the model they developed in their study.
A historical and technical overview from the Gemological Institute of America (GIA) explores how advanced scientific instruments—particularly spectroscopic methods—have transformed gem identification. From refractometers to modern spectrophotometers, this deep dive highlights the evolving challenges and solutions in gem testing.
A new study in the Journal of Food Composition and Analysis showcases high-performance detection using artificial intelligence and spectroscopy.
New research from the Gemological Institute of America highlights the essential role of infrared spectroscopy in identifying gemstones, detecting treatments, and distinguishing natural from synthetic gems. The technique’s precision and non-destructive nature have made it an indispensable tool in modern gemology.
In this “Icons of Spectroscopy” column, Spectroscopy Executive Editor Jerome Workman, Jr. explores the life and contributions of Albert Abraham Michelson, a graduate of the United States Naval Academy, who showed early brilliance in physics and mathematics, eventually resulting in a teaching position at the Academy and the Nobel Prize in Physics in 1907.
Researchers from the University of Nevada, Reno, have conducted the most comprehensive subsurface analysis of Hawaiian shield basalts to date, using advanced spectroscopic and geochemical techniques to reveal short-lived hydrothermal alteration processes and establish a new foundation for future volcanic and geothermal studies.
A new study led by Ayanjeet Ghosh of the University of Alabama presents a transformative approach to analyzing infrared (IR) imaging data, with promising implications for neurodegenerative disease research.
Carbonyl containing functional groups are strong infrared absorbers and a number of them are easy to identify by infrared spectroscopy. Here, we will review the spectra of ketone and carboxylic acids.
In this interview, S. Michael Angel, a consultant on the SuperCam team, explains how the instrument analyzes Martian rocks and what it reveals about Mars’ geology and potential for past life.
Macarena Garcia Marin, an astrophysicist and instrument scientist for the European Space Agency, highlights the role spectroscopy techniques have played in the pivotal research done on the James Webb Telescope since its launch in 2021.
A study from Chinese researchers demonstrates how combining satellite imagery, land use data, and machine learning can improve pollution monitoring in fast-changing urban rivers. The study focuses on non-optically active pollutants in the Weihe River Basin and showcases promising results for remote, data-driven water quality assessments.
Researchers from Université de Tours have shown that serum mid-infrared spectroscopy (MIRS) may serve as a promising prognostic tool for identifying high-risk metastatic colorectal cancer patients undergoing first-line bevacizumab-based chemotherapy.
New research highlights how remote satellite sensing technologies are changing the way scientists monitor inland water quality, offering powerful tools for tracking pollutants, analyzing ecological health, and supporting environmental policies across the globe.
A recent study conducted by scientists in Brazil saw the development of a quick, non-invasive method to diagnose endometriosis.
Modern remote sensing technologies have evolved from coarse-resolution multispectral sensors like MODIS and MERIS to high-resolution, multi-band systems such as Sentinel-2 MSI, Landsat OLI, and UAV-mounted spectrometers. These advancements provide greater spectral and spatial detail, enabling precise monitoring of environmental, agricultural, and land-use dynamics.
This article shows the benefits and ease with which mid-infrared testing can reveal supply change mismanagement events and help to quickly identify and correct mishaps.
In this brief segment from my full-length conversation with Monica Arienzo, who was the lead author of this study, she discusses whether there was a correlation between the different types of litter and the polymer type.
In this brief segment from my full-length conversation with Monica Arienzo, she explains why ATR FT-IR spectroscopy was the ideal technique of choice for her study characterizing polymers from the litter found on the lakebed of Lake Tahoe.
In the lead up to Earth Day 2025, we revisit an interview conducted with Monica Arienzo that discusses how ATR-FT-IR spectroscopy was used to classify polymers in plastic litter types found in Lake Tahoe back in 2023.
A leading-edge review led by researchers at Oak Ridge National Laboratory and MIT explores how artificial intelligence is revolutionizing the study of molecular vibrations and phonon dynamics. From infrared and Raman spectroscopy to neutron and X-ray scattering, AI is transforming how scientists interpret vibrational spectra and predict material behaviors.
A new study by researchers from Palo Alto Research Center (PARC, a Xerox Company) and LG Chem Power presents a novel method for real-time battery monitoring using embedded fiber-optic sensors. This approach enhances state-of-charge (SOC) and state-of-health (SOH) estimations, potentially improving the efficiency and lifespan of lithium-ion batteries in electric vehicles (xEVs).
Using LIBS, infrared, and Raman spectroscopic techniques scientists detect quartz and hydrated silica, hinting at past Martian water activity and potential biosignatures
Scientists demonstrate submicron detection of microbes and minerals in Mars-analogue basalt using O-PTIR spectroscopy
Researchers from the Institute of Nuclear Physics Polish Academy of Sciences have unveiled new insights into the molecular arrangement of the 7HH6 compound’s smectic phases using X-ray diffraction (XRD) and infrared (IR) spectroscopy.
In a recent study published in Marine Pollution Bulletin, a team of researchers from several Spain and Portugal universities and institutions (Rovira i Virgili University, Universitat de Barcelona, University of Porto, and Institut d'Investigació Sanitaria Pere Virgili (IISPV) assessed microplastic (MP) contamination along the Mediterranean coastline.
