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3+ min ago   (331+ words) The interpretability of ML models in spectroscopy is considered an "unsolved problem" for several key reasons: In summary, the unsolved aspect is not merely technical'it's scientific and practical. It lies in reliably connecting advanced ML model outputs to meaningful chemical…...

3+ min ago   (619+ words) This tutorial explores the motivation, mathematical underpinnings, and practical approaches to fusing spectral data, with emphasis on early, intermediate, and late fusion strategies. Inductively coupled plasma atomic/optical emission spectroscopy (ICP'AES or ICP'OES) and microwave plasma atomic emission spectroscopy (MP'AES)…...

3+ min ago   (267+ words) However, linearity is often violated in practice. Deviations occur due to: 2. Theory of Linearity and Nonlinearity in Spectroscopic Calibration 2.1 The Linear Multivariate Regression Model The baseline assumption in chemometric calibration is that analyte responses can be expressed as a linear…...

3+ min ago   (439+ words) Top articles published this week include a look at the top 10 applications of near-infrared (NIR) spectroscopy in biopharmaceutical analysis, an interview about the current trends in spectroscopy, and an inside look at handheld X-ray fluorescence (XRF) instrumentation. This week, Spectroscopy…...

4+ min ago   (94+ words) Q: Why are researchers moving beyond traditional linear models like partial least squares (PLS)? Q: What are some specific nonlinear methods currently used in spectroscopic calibration? A: There are several advanced mathematical frameworks employed to address these challenges. We highlight some of the…...

1+ hour, 53+ min ago   (226+ words) A U.S. Department of Energy (DOE) report issued at the end of the Biden Administration estimated that the U.S. would need to remove between 100 million metric tons and 2 billion metric tons of carbon dioxide using Direct Air Capture technology to address climate…...

15+ hour, 4+ min ago   (504+ words) This new device skips the messy filtration and finds "forever chemicals" in minutes, even in muddy water. The joint team from the Korea Research Institute of Chemical Technology (KRICT) and Chungnam National University published their findings in ACS Sensors. Led…...

15+ hour, 39+ min ago   (392+ words) Researchers at The Hong Kong University of Science and Technology have developed a new type of calcium-ion battery that could challenge lithium-ion technology by improving stability and performance. Calcium-ion batteries are seen as a promising alternative to lithium-ion batteries because…...

16+ hour, 13+ min ago   (1616+ words) The silent invasion of our living spaces has reached a critical turning point as groundbreaking research unveils a hidden chemical landscape teeming with substance classes we have long ignored. While worldwide attention has focused on the legacy "forever chemicals" that…...

17+ hour, 18+ min ago   (1028+ words) In a groundbreaking advancement that could redefine synthetic methodologies in medicinal chemistry, researchers at the University of Science and Technology of China, spearheaded by Hanmin Huang and Bangkui Yu, have unveiled a highly innovative palladium-catalyzed cascade cyclization process that constructs…...