Tutorial Review
Recent advances in chemical composition imaging operation based on laser-induced breakdown spectroscopy
This review provides a comparatively comprehensive and systematic introduction to recent developments in chemical composition imaging based on LIBS, with a focus on the principle, operation, and recent development.
Tutorial Review
Insights into the role of transition and noble metals mediating photochemical vapor generation
Stable gas production from radical precursors during UV-C photolysis provides a tool for investigating transition metal-mediated PVG reactions. A tutorial approach supporting photocatalytic interactions with generated transition metals is presented.
Advances of machine learning in stable isotope geochemistry
This figure outlines how machine learning algorithms address challenges in stable isotope geochemistry via a complete workflow to enable future advancements.
Development and sea trial validation of a deep-sea element sensor based on laser-induced breakdown spectroscopy
This study demonstrates a novel sensor capable of in situ detection of solid samples in deep-sea environments.
Rapid classification of tea using laser-induced breakdown spectroscopy coupled with a BP neural network optimized by improved SSA
The LIBS combined with ISSA optimized BP neural network was used to identify seven types of tea. The classification accuracy rate of the ISSA-BP model was 99.1%, which was superior to other models.
Paper
Exploring high-dimensional LA-ICP-TOFMS data with uniform manifold approximation and projection (UMAP)
Uniform manifold approximation and projection (UMAP) enables dimensionality reduction, comprehensive data visualisation, and segmentation of elemental mass spectrometry imaging data.
Accurate determination of sulfur, selenium and tellurium in geological reference materials by isotope dilution inductively coupled plasma-tandem mass spectrometry (ID-ICP-MS/MS)
Isotope dilution coupled with ICP-MS/MS enables accurate and efficient quantification of S–Se–Te in geological samples without chemical purification or hydride generation, overcoming challenges from volatile losses and spectral interferences.
Data fusion of laser-induced breakdown spectroscopy and diffuse reflectance spectroscopy for improved quantitative analysis of EAST-like plasma-facing materials
A novel LIBS-DRS data fusion model was developed to provide more accurate quantification of tungsten impurities deposited on tokamak first walls.
High spatial resolution electron probe analysis of H2O-bearing aluminosilicate glasses
Accuracy of the in situ major element analysis of silicate glasses is critical for insights into magmatic evolution, anatectic processes, and melt–fluid interactions.
Paper
SI-traceable total analysis of nitrate and nitrite by isotope dilution optical spectroscopy and its application to Berlin surface waters
Reliable water-quality monitoring demands accurate nitrate/nitrite measurements. Isotope-dilution HR-CS-GF-MAS analyzes NO isotopologues, providing direct SI-traceable nitrate/nitrite data.
LIBS combined with TrAdaBoost based transfer learning for quantitative analysis of heavy metals in soil particles
In this study, a rapid quantitative method combining LIBS with transfer learning is proposed, effectively improving the accuracy of in situ and online analysis of heavy metals in soil particulate samples.
Optimization of atmospheric pollutant detection and identification based on LIBS technology
This work develops a new method for the rapid detection and identification of air pollutants.
Paper
Capabilities and limitations of Se isotopic analysis using hydride generation coupled to MC-ICP-MS
This study presents a comprehensive methodological investigation aimed at optimizing selenium (Se) isotopic analysis using MC-ICP-MS.
A performance compensation method for miniaturized LIBS instruments in precise rock classification
The compensation method increases the rock classification accuracy of miniaturized LIBS instruments from 77.08% to 99.58%.
Research on spectroscopy screening methods based on optical computation using laser-induced breakdown spectroscopy
The proposed computational screening method effectively reduces the impact caused by spectral interference and overlap issues during the analysis of manganese ore. This improvement enhances the accuracy of quantitative analysis.
A novel double disc electrode excitation method for oil elemental analysis in rotating disc electrode-optical emission spectrometry (RDE-OES)
A novel excitation method using a double disc electrode structure is proposed.
Enhanced emission spectra from flame-assisted LIBS for high-sensitivity detection of Pb in water
The flame-assisted method significantly enhances LIBS signal intensity, and the combination with dry droplet pretreatment improves the sensitivity for analyzing trace metal elements in water.
Feasibility of nanoparticle-enhanced LIBS (NELIBS) for the analysis of archaeological metallic artifacts: a critical assessment
NELIBS of historical metallic artifacts can improve the limit of detection up to 78%.
New machine learning models on reevaluation of the Ti-in-zircon thermometer via multivariate trace elements
Through training and testing extensive machine learning algorithms, an advanced high-dimensional temperature prediction model based on the XGBoost has been developed, which utilizes comprehensive trace element concentrations within zircons.
Finding a needle in a haystack: quantitative HERFD-XRF imaging and HERFD-XANES characterization of trace platinum in gold solidi from the Late Roman and Byzantine Empires
Application of HERFD to SR-XRF imaging and XANES enables precise quantification of trace Pt in Late Roman and Byzantine gold solidi, revolutionizing our understanding of minting practices, economic shifts, and the emergence of new gold sources.
Paper
High-precision Sm isotope analysis by thermal ionisation mass spectrometry for large meteorite samples (>1 g)
New multi-static method on TIMS reveals substantial variations in the Sm isotope compositions of synthetic standards.
Paper
Trace xenon detection in ambient helium by double-pulse laser-induced breakdown spectroscopy
We demonstrate double-pulse LIBS enhances the Xenon signal up to 14× at a concentration of 1 μmol mol−1 in an ambient helium environment.
Paper
SPCal – an open source, easy-to-use processing platform for ICP-TOFMS-based single event data
SPCal is a comprehensive data processing platform for single event ICP-MS data. It supports the analysis of both quadrupole and TOF data sets. Various tools (e.g., non-target screening, compositional and conditional analysis) are implemented.
Xenotime Xtm-NHBS: a natural reference material for microbeam U–Pb/Lu–Hf geochronology
The newly xenotime RMs of Xtm-NHBS has an ID-TIMS 206Pb/238U age of 498.7 ± 0.4 Ma (2s, n = 5). The Lu–Hf age of Xtm-NHBS crystal by LA-ICP-MS/MS are also presented.
Chemical analysis of Chang'e-5 lunar soil using LA-ICP-MS in highly diluted fused glass discs
The bulk chemical compositions of extraterrestrial materials can provide critical information on the evolution and magmatism of planetary bodies.
About this collection
This themed collection features articles published in JAAS marked as HOT by the handling editor or as recommended by referees. Congratulations to all the authors whose articles are featured.