Themed collection JAAS Emerging Investigator Lectureship winners

Principles and applications of both traditional and some recently described calibration methods used in atomic spectrometry are critically discussed.

An intuitive view of compressed sensing is presented with selected examples to highlight its potential impact in atomic spectrometry.

Glow discharge spectrometry shows excellent capabilities for fast compositional depth profiling of modern and challenging materials.

Sample preparation for trace halogen determination in biological and food samples is a critical aspect to be considered.

Transition rate diagrams of copper ions in argon and neon glow discharges are presented, using data from Cu II emission spectra.

Automated standard dilution analysis provides rapid, accurate, and precise calibrations, correcting for both matrix effects and source fluctuations.

Serum Mg shows a lighter isotopic composition in diabetes type-1 patients than in an age- and gender-matched reference population.

A novel calibration method based on multiple nebulization gas flow rates is used to improve accuracy and sample throughput in microwave-induced plasma optical emission spectrometry.

Spectra of diatomic molecules are rich in fine structures which may be used for different analytical applications in high-resolution continuum source molecular absorption spectrometry (HR-CS MAS).

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).

High-resolution LA-ICP-MS bioimaging was shown suitable for the quantitative visualization of the Cu distribution in fibrotic mouse liver tissues on a (sub-)cellular level.

In this work, the use of complexing acids (HF and HCl) combined with HNO₃ was evaluated for lipstick digestion and further Cd and Pb determination by ICP-MS.

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

Charge transfer and ionization, producing high concentrations of doubly ionized ions, is identified for the first time in analytical GD-MS.

Arsenic speciation in seafood after several culinary treatments was performed and AsB, As(III), DMA, MMA and As(V) species were determined by LC-ICP-MS/MS.

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

A single-pixel compressed sensing spectral imaging system is designed and implemented on plasma optical emission for the first time.

We show initial evidence that analyte atoms can be ionized by asymmetric charge transfer (ACT) process involving molecular ions, (M2+-ACT) in analytical glow discharges.

In this work a method for rare earth element (REE) determination by inductively coupled plasma mass spectrometry (ICP-MS) was proposed after heavy crude oil digestion by microwave-assisted wet digestion (MAWD) using a single reaction chamber (SRC) system.

Comparative investigations between positive and negative ionization modes for the analysis of polymeric materials have been tackled using PP-TOFMS.

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

Hydrogen effects are investigated at very low H₂ concentrations in an Ar plasma, and the likely discharge mechanisms are discussed.

A method for high-precision analysis of mass-dependent natural variations in Ni isotope ratios, suitable for applications in the planetary sciences, has been developed and evaluated.

Excitation and ionization processes of iron ions in argon-, neon- and argon–hydrogen glow discharges are described based on transition rate diagrams.

Time-resolved mass spectrometry to characterize the temporal reagent-ion distribution from a low-frequency LTP probe.

Implementation of image denoising algorithms are shown to improve the spatial resolution in 3D GDOES elemental mapping.

Isotopic analysis of Cu and Sb has been performed on glasses from 14^th century BC up to 6^th century AD from different locations with the aim of investigating raw material sources used for glass production in antiquity.

Based on promising results obtained in earlier work on antimony ores, Lobo et al. investigated the use of natural variation in the isotopic composition of Sb as determined using multi-collector ICP-mass spectrometry (MC-ICP-MS) for provenance determination of Roman glass.

Pulsed GDOES enables elemental mapping of materials combinatorial libraries at orders of magnitude faster analysis times compared to traditional techniques.

Schlieren and IR imaging were utilized to visualize mass and heat transfer from the FAPA ambient mass spectrometry source.

Plasma species of Ar, H and O are monitored and used for modeling and for correcting signal bias caused by high concentrations of easily ionizable elements in ICP OES.