Spectroscopy Staff


Dynamic Multivariate Outlier Detection Revolutionizes Real-Time Monitoring of Surface Water Contamination

November 28, 2023

Researchers from Beihang University in Beijing, China, introduce a dynamic multivariate outlier detection algorithm, DM-SRD, in the journal Applied Spectroscopy, significantly improving the accuracy of real-time monitoring for surface water contamination by addressing challenges posed by hydrological fluctuations.

The Impact of Heterogeneity Micro-Beam XRF Scanning Spectroscopy for Environmental Analysis

November 22, 2023

A new study published in Spectrochimica Acta Part B: Atomic Spectroscopy investigated the effects of heterogeneity, including grain size and mineralogical composition, on micro-beam X-ray fluorescence (XRF) scanning spectroscopy. XRF is a useful tool for environmental analysis, because of its high spatial resolution.

Revolutionizing Diagnostics: Machine Learning Unleashes the Power of Surface-Enhanced Raman Spectroscopy

November 21, 2023

Duke University researchers, led by Joy Q. Li, revolutionize biomedical diagnostics with a multiplexed SERS-based nanosensor called inverse molecular sentinel (iMS) for micro-RNA detection, employing machine learning, particularly convolutional neural networks (CNN) and non-negative matrix factorization (NMF), to achieve higher accuracy in spectral unmixing, paving the way for more precise and efficient clinical diagnostics.

SHERLOC's Precision Unveiled: Calibration Method Enhances Raman Spectroscopy on Mars

November 20, 2023

Researchers at NASA's Johnson Space Center, led by Ryan S. Jakubek, have unveiled a novel calibration method in Applied Spectroscopy that enhances the precision of Raman measurements conducted by the SHERLOC instrument on the Perseverance rover, providing a clearer and more accurate representation of intrinsic Raman spectral bandwidths on Mars.