Themed collection JAAS Recent HOT articles

A variety of approaches for measuring the content and speciation of Sb in environmental matrices are discussed.

Mechanisms of hydride generation by aqueous boranes have been updated in the light of recent atomic and mass spectrometric evidence.

The liquid sampling-atmospheric pressure glow discharge (LS-APGD) microplasma provides great diversity in sampling strategies and analytical information content.

We illustrate how modeling can give better insight in ICP-MS, by showing calculated plasma characteristics, gas flow patterns and sample behavior.

The figures of merit of fs laser ablation for LA-ICP-MS analysis are reviewed.

The efficient characterization of nuclear waste materials represents a significant challenge during nuclear site decommissioning, with a range of radionuclides requiring measurement in varied and often complex sample matrices. ICP-MS is increasingly a practicable alternative to radiometric methods for medium to long-lived radionuclides.

A novel laser induced breakdown spectroscopy (LIBS) 2D imaging method is used to directly visualize the drug release process of long-acting injectable (LAI) implants for the first time.

Specific labeling of cellular proteins with fluorinated nanobodies enables their visualization in nanoSIMS.

The spectral resolution of diode laser absorption spectroscopy is drastically enhanced by applying a supersonic plasma jet to distinguish isotope shifts due to the mass number.

Mass spectrometry imaging used to measure hippocampal zinc shows complementarity to fluorescence and shows protein-bound rather than free zinc.

A newly developed laboratory-based double X-ray spectrometer enables systematic and simultaneous X-ray emission (XES) and X-ray absorption (XAS) measurements.

Graphene oxide modified with mercapto-groups for the preconcentration of copper, zinc, lead and chromium species prior to EDXRF determination in surface and seawaters.

Monitoring three stable isotopes of H₂S using a QCL based CRDS technique.

This work presents a high-throughput and quasisimultaneous, full-spectral imaging approach for the analysis of cisplatin perfused rat kidneys using LA-ICP-TOF-MS.

The fate of zinc in model plants was studied by an analytical approach based on mass spectrometry techniques.

A novel method for the elemental analysis of undiluted wine samples was optimized and validated.

The analytical potential of a nanosecond laser ablation inductively coupled plasma mass spectrometer system, equipped with an ultra-fast wash-out ablation chamber, is critically investigated for fast and highly spatially resolved (∼μm) qualitative elemental distribution within single cells.

Sulfur samples in different oxidation states (+4, +6, 0 and −2) were irradiated in a commercial microscope, acquiring Kα and Kβ spectra in order to investigate the influence of the chemical bond on the occurrence of different sulfur decays to 1s vacancy states.

Our study is the first to correlate differential distributions of trace elements within the different tissue types of zonal bone.

To improve our knowledge of arsenic local environment in sulfide minerals, Resonant Inelastic X-Ray Scattering (RIXS) maps and High-Energy Resolution Fluorescence Detected (HERFD) XANES measurements are performed at the As K-edge. In addition, the spectra are compared to XANES modelled through first-principles calculations.

A free software package code named OPSIAL (Optical Plasma Spectral Calculation And Parameters Retrieval) for rigorously calculating optical plasma spectra and for automatically retrieving plasma parameters is presented.

ICP-MS is a sensitive element analysis technique used for analyzing several different sample types.

Sub-pixel shifting allows geometric super-resolution on a push-broom hyperspectral imaging system used for plasma OES.

Similar signal intensities can be obtained using Ar instead of He as the carrier gas under high-velocity of the carrier gas on the ablation site or wet plasma conditions in 193 nm ArF excimer LA-ICP-MS analysis.

Evaluation of LIBS-based imaging for the detection of minor and trace elements in minerals with microscopic-scale resolution.

We present a refined multi-element (Mg, Ca, Ti, V, Cr, Fe, Ni, Zr, Mo, Ru, Hf and W) ion chromatographic purification protocol applied to high-precision isotope analysis of Mg and Ti using MC-ICP-MS.

An on-line leaching method is modified to improve reproducibility, and applied to risk assessment of wheat samples from Saudi Arabia.

A method has been developed for the direct (no sample pretreatment and/or isolation of the target element from the sample matrix) Pb isotopic analysis of bioethanol via multi-collector ICP-mass spectrometry (MC-ICP-MS).

The occurrence of SeNPs in commercial Se-rich yeasts was confirmed by SP-ICPMS for the first time.

We report the first U–Pb geochronological investigation of schorlomite garnet from carbonatite and alkaline complexes and demonstrate its applicability for U–Pb age determination using laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) due to its relatively high U and Th abundances and negligible common Pb content.

In this study, the laser- and ICP-induced S isotopic fractionation in different S-rich minerals was investigated by using femtosecond (fs) and nanosecond (ns) laser ablation MC-ICP-MS.

We present a novel method for rapid and high-sensitivity in situ measurements of the rare earth elements (REEs) by combined secondary ion mass spectrometry and single-stage accelerator mass spectrometry (SIMS-SSAMS).

The development of an ICP-MS/MS method for interference-free Si determination allows for chemical characterization of SiO₂ nanoparticles.

A robust Ar–N₂–H₂ plasma enables accurate multielemental analysis of geological and environmental samples without matrix-matching or internal standardization.

Inorganic As and Sb speciation by total reflection X-ray fluorescence analysis following selective hydride generation and trapping onto palladium nanoparticles.

Caco-2 cells were used in an in vitro model for studying the Fe isotope fractionation accompanying intestinal Fe fluxes.

Laser ablation – inductively coupled plasma – mass spectrometry (LA-ICP-MS) in tandem with laser induced breakdown spectroscopy (LIBS) was employed to chemically map and characterize uranium particles.

A 193 nm ArF excimer pulse reexcites arsenic atoms in a cooled laser ablation plasma, lowering detection limits over LIBS.

In this study, an in situ technique for high-precision determination of Ni stable isotope ratios by femtosecond-laser ablation-multicollector-ICP-MS (fs-LA-MC-ICP-MS) was developed.

Depth profiling with PP-TOFMS of REEs (as substitutes of radioactive elements) in studies of stainless steel corrosion and contaminant uptake.

We characterize EUV TOF for trace analysis using NIST glasses and demonstrate nanoscale imaging on uranium oxide particles.

Among the several controlling routines utilized in the steelmaking process, analytical operations during continuous casting are especially demanding due to the extreme environment of steel plants and the crude conditions of the steel surface at the exit of the casting system.

Speciation analysis by LC-ICP-MS detected an unknown Sb complex in raki samples. Its structure was investigated by using LC with high resolution mass spectrometry. The analysis gave evidence for an acetaldehyde–bisulphite pyruvate Sb complex with the formula: C₇H₁₄O₁₂S₂Sb.

The operational parameters of the AD-LS-APGD-OES microplasma have been evaluated in terms of understanding their roles in analyte response.

We present a method for precise determination of stable osmium isotope compositions by MC-ICP-MS and N-TIMS using a double spike.

In this work, we evaluate the capabilities of a new commercially available inductively coupled plasma time-of-flight mass spectrometry (ICP-TOFMS) instrument, the icpTOF, for analysis of liquid samples with continuous and discrete sample-introduction systems.

A novel X-ray collimating optic enables improved spatial resolution in confocal X-ray fluorescence imaging and X-ray absorption spectroscopy.

²⁰⁶Pb–²³⁸U LA-ICPMS image map of a complex, polyphase zircon produced using 7 micron rasters.

A ready-to-use method for the precise and fast determination of impurities in silicon is presented.

Different strategies for the analysis of selenium in human serum were validated by tandem ICP-MS and isotope dilution.

The combination of several micro-XRF analysis modes is presented for the 3D investigation of an illuminated parchment manuscript.

In LA-ICP-MS imaging mostly lateral resolution is considered, but this work will show that linear artifacts with an angular aspect to the line scan direction may have a different spatial resolution, depending on the blur introduced by LA sampling and aerosol washout/transfer.

This study describes the identification and quantification of five new arsenolipids present in raw marine fish oil extracted mainly from Peruvian anchoveta (Engraulis ringens).

An optimized photochemical vapor generation (PVG) approach for efficient synthesis of volatile cobalt species is described.

This article demonstrates the potential of HR CS GFMAS for providing Br isotopic information, and the benefits of ID for solid sampling.

Aluminum alloy is frequently used as component material in research nuclear reactors.

Accessory mineral U–Pb geochronology by isotope dilution thermal ionization mass spectrometry (ID-TIMS) requires precise and accurate determinations of parent–daughter isotope ratios.

The transport of copper droplets which are injected “on” or “off” axis is computationally studied.

Restrictive anode array masks are shown to allow large-diameter surface GDOES elemental mapping with improved homogeneity compared to typical approach.

First method for in situ Ca isotope ratio analysis in bioapatites, allowing quasi non-destructive exploration of tooth enamel isotopic variations.

The use of a 10¹³ Ω amplifier to increase the ²⁰⁴Pb signal enables high-precision, double spike Pb isotope data to be obtained for ng-size Pb samples.

An on-line magnetic solid-phase extraction system was developed for Sr determination.

Depth profile characterization of 6 mm thick industrial ceramics with a golden decorative layer is achieved by PP-TOFMS.

The use of 10¹³ Ω amplifiers enabled high precision Pb isotope analysis in situ using UV femtosecond MFC-ICPMS.