Compressed sensing in spectroscopy for chemical analysis
An intuitive view of compressed sensing is presented with selected examples to highlight its potential impact in atomic spectrometry.
Depth profile analysis with glow discharge spectrometry
Glow discharge spectrometry shows excellent capabilities for fast compositional depth profiling of modern and challenging materials.
Halogen determination in food and biological materials using plasma-based techniques: challenges and trends of sample preparation
Sample preparation for trace halogen determination in biological and food samples is a critical aspect to be considered.
Excitation of higher levels of singly charged copper ions in argon and neon glow discharges
Transition rate diagrams of copper ions in argon and neon glow discharges are presented, using data from Cu II emission spectra.
Multi-collector ICP-mass spectrometry reveals changes in the serum Mg isotopic composition in diabetes type I patients
Serum Mg shows a lighter isotopic composition in diabetes type-1 patients than in an age- and gender-matched reference population.
Direct lead isotopic analysis of bioethanol by means of multi-collector ICP-mass spectrometry with a total consumption sample introduction system
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).
Laser ablation-inductively coupled plasma-mass spectrometry for quantitative mapping of the copper distribution in liver tissue sections from mice with liver disease induced by common bile duct ligation
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.
Sample preparation of lipstick for further Cd and Pb determination by ICP-MS: is the use of complexing acids really necessary?
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.
Natural Fe isotope fractionation in an intestinal Caco-2 cell line model
Caco-2 cells were used in an in vitro model for studying the Fe isotope fractionation accompanying intestinal Fe fluxes.
The production of doubly charged sample ions by “charge transfer and ionization” (CTI) in analytical GD-MS
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 by LC-ICP-MS/MS: method development and influence of culinary treatment
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 profile analysis of rare earth elements in corroded steels by pulsed glow discharge – time of flight mass spectrometry
Depth profiling with PP-TOFMS of REEs (as substitutes of radioactive elements) in studies of stainless steel corrosion and contaminant uptake.
Compressed sensing spectral imaging for plasma optical emission spectroscopy
A single-pixel compressed sensing spectral imaging system is designed and implemented on plasma optical emission for the first time.
Evidence for charge transfer from hydrogen molecular ions to copper atoms in a neon–hydrogen analytical glow discharge
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.
Rare earth element determination in heavy crude oil by USN-ICP-MS after digestion using a microwave-assisted single reaction chamber
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.
Capabilities of radiofrequency pulsed glow discharge-time of flight mass spectrometry for molecular screening in polymeric materials: positive versus negative ion mode
Comparative investigations between positive and negative ionization modes for the analysis of polymeric materials have been tackled using PP-TOFMS.
Glow discharge optical emission spectrometry elemental mapping with restrictive anode array masks
Restrictive anode array masks are shown to allow large-diameter surface GDOES elemental mapping with improved homogeneity compared to typical approach.
A glow discharge time-of-flight mass spectrometry (GD-TOFMS) study of the ‘hydrogen effect’ using copper, iron and titanium cathodes
Hydrogen effects are investigated at very low H2 concentrations in an Ar plasma, and the likely discharge mechanisms are discussed.
Development of an isolation procedure and MC-ICP-MS measurement protocol for the study of stable isotope ratio variations of nickel
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 transition rate diagrams of singly ionized iron in analytical glow discharges in argon, neon and an argon–hydrogen mixture
Excitation and ionization processes of iron ions in argon-, neon- and argon–hydrogen glow discharges are described based on transition rate diagrams.
Image denoising techniques applied to glow discharge optical emission spectroscopy elemental mapping
Implementation of image denoising algorithms are shown to improve the spatial resolution in 3D GDOES elemental mapping.
Copper and antimony isotopic analysis via multi-collector ICP-mass spectrometry for provenancing ancient glass
Isotopic analysis of Cu and Sb has been performed on glasses from 14th century BC up to 6th century AD from different locations with the aim of investigating raw material sources used for glass production in antiquity.
Isotopic analysis of antimony using multi-collector ICP-mass
spectrometry for provenance determination of Roman glass
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.
Ultrafast elemental mapping of materials combinatorial libraries and high-throughput screening samples via pulsed
glow discharge optical emission spectroscopy
Pulsed GDOES enables elemental mapping of materials combinatorial libraries at orders of magnitude faster analysis times compared to traditional techniques.
About this collection
The JAAS Emerging Investigator Lectureship is given to recognise and support an emerging scientist working in the area of atomic spectrometry in the early stages of their independent career. Researchers are nominated by the community and the winner is chosen by the JAAS Editorial Board based on the originality, quality, impact and significance of the candidate’s research, as highlighted in their nomination. This is a collection of papers authored by previous recipients.
Marta Costas Rodríguez, Ghent University, Belgium
Marta Costas Rodríguez obtained her PhD in Analytical Chemistry from the University of Vigo (Spain) in 2011, where she was awarded with the Extraordinary Doctorate Award (Sciences scope). Her work focused on the development of analytical methods for elemental analysis by spectrometric techniques. Since 2012, she is a postdoctoral researcher (currently with a postdoctoral fellowship from the Flemish Research Foundation FWO – Flanders) in the ‘Atomic & Mass Spectrometry – A&MS’ research group of Prof. Frank Vanhaecke at Ghent University (Belgium). Her research at UGent is mainly dealing with high-precision isotopic analysis in biomedicine. She has supervised 3 Master and 2 PhD students and is currently guiding another 2 PhD students in this field. She is (co)author of 50 peer-reviewed international papers and 4 book chapters and has given some 50 presentations on conferences. Her current research interests are elemental and isotopic analysis by single- and multi-collector ICP-MS and bioimaging with LA-ICP-MS.
Previous recipients include: Márcia Foster Mesko, Federal University of Pelotas, Brazil; Lara Lobo, University of Oviedo, Spain; Gerardo Gamez, Texas Tech University, USA and Sohail Mushtaq, University of Bristol, UK