Researchers describe a new method for the ultra-trace determination of mercury in seawater using vortex-assisted liquid-liquid micro-extraction (VALLME) and atomic absorption spectrometry (AAS).

New research discusses the development of laser-induced XUV spectroscopy (LIXS) as an improvement to laser-induced breakdown spectroscopy (LIBS) for rapid in situ microanalysis of materials, with the ability to determine light elements and halogens with high precision and detection limits.

A study shows that microwave-enhanced laser-induced breakdown spectroscopy (MWE-LIBS) can effectively analyze zirconium metals and oxides in nuclear fuel debris. The study found that microwaves lower the excitation temperature and increase ionization of zirconium, resulting in consistent enhancements in zirconium emissions with a higher signal-to-noise (S/N) ratio across all sample types.

A new study characterizes gas cell reactions for over 70 elements using nitrous oxide for ICP-MS/MS measurements, demonstrating the high versatility of nitrous oxide as a reaction cell gas for routine ICP-MS/MS measurements.

A new study shows how a spatial heterodyne spectrometer (SHS) combined with a flame atomic absorption (FAA) setup can be used as a tool for high-resolution atomic absorption studies.

A new study demonstrates the feasibility of using attenuated total reflection Fourier transform infrared (ATR FT-IR) mapping for the identification of the prescribed and abnormal ingredients of herbal powder preparations (HPPs) for medicines.

Researchers have proposed a two-step Aug2Tran model that uses transfer learning to build a robust real-time classification model for identifying scrap metal using an augmented training dataset consisting of laser-induced breakdown spectroscopy (LIBS) measurement of standard reference material (SRMs) samples.

Researchers have developed a new method for analyzing Raman spectroscopy data in biological samples using group- and basis-restricted non-negative matrix factorization (GBR-NMF) framework, providing a promising approach for interpreting Raman spectroscopy data in biological samples.

Researchers have developed a rapid and non-destructive method for evaluating the quality of Radix Paeoniae Alba and its processed products using near-infrared (NIR) spectroscopy combined with multivariate algorithms.

A new study explores the compositional changes of organic matter in torrefied olive mill pomace compost using infrared spectroscopy and chemometrics.

Scientists have conducted a theoretical study on the rubrofusarin molecule, analyzing its structure, vibrational and UV-vis absorbance spectra, and discussing the impact of solvents on its properties, with implications for understanding the characteristics of Fusarium Head Blight (FHB), a fungal disease that affects cereal crops.

Factor analysis (FA) of the time series of surface-enhanced Raman scattering (SERS) spectra was used to reveal changes in water arrangement and surface plasmon extinction (SPE) in silver nanoparticle systems, which could help to interpret SERS results more accurately.

Scientists have demonstrated LIBS stratigraphy to identify the chemical composition and pigments of small fragments from two oil paintings by Bellini and Brughi, with the results providing important information for conservation and restoration purposes.

Scientists have developed a solution-based surface-enhanced Raman spectroscopy (SERS) protocol using polystyrene sulfonate modified gold nanobipyramids (PSS-Au BPs) for the detection of cationic dye molecules in aquaculture.

Chemometric modeling and near-infrared reflectance spectroscopy were successfully used to monitor the concentrations of eight elements in cultivated and fertilized Haplic Luvisol soils.

A new ICP-MS/MS method recently developed is an important step in detecting low levels of radioactive contamination in the environment.

The DeepRaman method proposed in the study is an accurate, universal, and ready-to-use method for component identification in various application scenarios.

Detecting inorganic chromium in water requires a more efficient approach than the current methods. In a recent study, researchers proposed a methodology for detecting inorganic chromium (Cr) in environmental water samples using direct immersion dual-drop microextraction (DIDDME) followed by graphite furnace atomic absorption spectrometry detection.

In this review article, a comprehensive overview of the recent advances in surface plasmon resonance imaging (SPRI) and its biological applications is provided.

A new study highlighted the potential benefits of using hyperspectral imaging technology in the tea industry.

A new one-point calibration laser-induced breakdown spectroscopy (LIBS) method was used to quantify mercury in soil in the presence of matrix effects.

A recent study highlights a new SP-ICP-MS method that can be used to detect and quantify platinum nanoparticles in road dust.

Combining laser-induced breakdown spectroscopy (LIBS) with spectral imaging techniques and photogrammetry offers a new way to create three-dimensional (3D) imaging models.

Both RXES and NEXS are commonly used in in situ studies at high pressure and high temperature to investigate the electronic and structural changes of materials under extreme conditions. A new study explores both techniques when analyzing iron-bearing compounds.

Lead contamination in drinking water remains a public health concern, and a new RE-LIBS-LIF method can help detect trace amounts of lead in drinking water, which will have positive implications for human health.

Dual-band lidar systems may be capable of monitoring, understanding, and safeguarding the biological resources in tropical cloud forests.

This study demonstrates the potential of microwave-enhanced LIBS for zirconium ion emission analysis in nuclear debris decommissioning.

This study is an important contribution to the field of machine learning-enabled NIR spectroscopy, offering researchers a systematic method for selecting representative subsamples from existing data with quality measures, diagnostic tools, and visualization techniques.