Themed collection JAAS HOT Articles 2022
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A tutorial review on methods of agricultural product sample pretreatment and target analysis by laser-induced breakdown spectroscopy
LIBS in agricultural product sample preparation methods and agricultural product quality and safety analysis applications are reviewed. The advantages as well as challenges of LIBS in agricultural applications are discussed.
J. Anal. At. Spectrom., 2022,37, 1948-1960
https://doi.org/10.1039/D2JA00149G
In situ measurements using hand-held XRF spectrometers: a tutorial review
Hand-held XRF is described from a tutorial viewpoint suitable for users without extensive training in XRF methodology in order to raise awareness of issues in using the technique and improve the interpretation of hand-held XRF measurement results.
J. Anal. At. Spectrom., 2022,37, 1928-1947
https://doi.org/10.1039/D2JA00171C
Detection of PTFE microparticles by ICP-qMS operated in single-particle mode
In this study, we examine the possibility of detecting PTFE microparticles by ICP-qMS equipped with O2 dynamic reaction cell (DRC) and operated in single-particle mode.
J. Anal. At. Spectrom., 2022,37, 2282-2285
https://doi.org/10.1039/D2JA00215A
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Doppler-free ablation fluorescence spectroscopy of Ca for high-resolution remote isotopic analysis
We observed Doppler-free fluorescence spectra using ablation plumes. From the lineshape analyses the detailed collisional process in the ablation plume was revealed and the isotopic analysis for nuclides with small isotope shifts was demonstrated.
J. Anal. At. Spectrom., 2023,38, 347-358
https://doi.org/10.1039/D2JA00304J
High-resolution continuum source graphite furnace molecular absorption spectrometry for the monitoring of Sr isotopes via SrF formation: a case study
A new approach for monitoring Sr isotopes via HR CS GFMAS is described.
J. Anal. At. Spectrom., 2022,37, 2517-2528
https://doi.org/10.1039/D2JA00245K
A hybrid wavelength selection strategy-based quantitative analysis model for LIBS data from standard ground samples of the Curiosity rover on Mars
Component prediction models for laser induced breakdown spectroscopy data of ChemCam are created using a hybrid variable selection strategy.
J. Anal. At. Spectrom., 2022,37, 2362-2376
https://doi.org/10.1039/D2JA00216G
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Separation and isotope ratio measurements of actinides and lanthanides in spent nuclear fuel samples by CE-MC-ICP-MS
CE was hyphenated to MC-ICP-MS in a glove box to measure isotope ratios of actinides and lanthanides in spent nuclear fuel.
J. Anal. At. Spectrom., 2022,37, 2340-2350
https://doi.org/10.1039/D2JA00265E
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High resolution off resonant spectroscopy as a probe of the oxidation state
The direct conversion between HEROS-XES and XANES edge position (E0) without need of measuring absorption spectra.
J. Anal. At. Spectrom., 2022,37, 2383-2391
https://doi.org/10.1039/D2JA00232A
High-precision EPMA measurement of trace elements in ilmenite and reference material development
A natural ilmenite (PZH12-09) is homogeneous and thus suitable for use as a reference material for in situ microanalysis. An EPMA method was developed to determine the trace elements of ilmenite, with high precision and low detection limits.
J. Anal. At. Spectrom., 2022,37, 2351-2361
https://doi.org/10.1039/D2JA00238H
Rapid recognition and quantitative analysis of niobium minerals by scanning electron microscopy/energy dispersive X-ray spectroscopy
Rapid recognition and quantitative analysis of niobium minerals by multi-stage filtration techniques based on SEM-EDS.
J. Anal. At. Spectrom., 2022,37, 2392-2400
https://doi.org/10.1039/D2JA00274D
Ultra-sensitive determination of mercury by atmospheric pressure glow discharge atomic emission spectrometry coupled with cold vapor generation
In this work, DC glow discharge atomic emission spectrometry coupled with cold vapor generation was used to achieve the ultra-sensitive analysis of mercury, with good anti-interference ability.
J. Anal. At. Spectrom., 2022,37, 2377-2382
https://doi.org/10.1039/D2JA00257D
Investigation of the secondary breakdown of double-pulse laser-induced breakdown spectroscopy with different focusing geometries and positions
The influences of the focusing geometry and axial focusing position of the second laser pulse on orthogonal double-pulse LIBS were investigated.
J. Anal. At. Spectrom., 2022,37, 2320-2329
https://doi.org/10.1039/D2JA00285J
Direct determination of lanthanides by LIBS in REE-rich ores: comparison between univariate and DoE based multivariate calibrations with respect to spectral resolution
The problem of natural lanthanide correlation in ores combined with strong line overlapping is addressed via a DoE based on LHS and multivariate regression. The comparison of the analytical performance of high- and low-resolution spectrometers is presented.
J. Anal. At. Spectrom., 2022,37, 2330-2339
https://doi.org/10.1039/D2JA00188H
Research on a LIBS-based detection method of medium-and-low alloy steel hardness
Objective: medium and low alloy steel have good mechanical properties and are widely used in the manufacture of key parts such as high-speed rail, automobiles, and aircrafts.
J. Anal. At. Spectrom., 2022,37, 2309-2319
https://doi.org/10.1039/D2JA00255H
Tianyu-Py pyrite: a new natural reference material for micro-beam determination of iron isotopic ratios
Tianyu-Py pyrite is investigated as the natural reference material for in situ iron isotopic ratios microanalysis.
J. Anal. At. Spectrom., 2022,37, 2300-2308
https://doi.org/10.1039/D2JA00002D
A transferred multitask regularization convolutional neural network (TrMR-CNN) for laser-induced breakdown spectroscopy quantitative analysis
A quantification method combining transfer learning, a convolutional neural network and multitask regularization to improve prediction accuracy and model robustness on limited data.
J. Anal. At. Spectrom., 2022,37, 2059-2068
https://doi.org/10.1039/D2JA00182A
Modified iterative wavelets for background removal in laser-induced breakdown spectroscopy based on fiber laser ablation
A modified method for removing the strong background in FL-LIBS.
J. Anal. At. Spectrom., 2022,37, 2082-2088
https://doi.org/10.1039/D2JA00200K
Improved mineralogical analysis in copper ores by laser-induced breakdown spectroscopy
Laser-induced breakdown spectroscopy (LIBS) is expanded for rapid determination of key mineral species in copper ores.
J. Anal. At. Spectrom., 2022,37, 1994-2004
https://doi.org/10.1039/D2JA00145D
Enhanced elemental and mineralogical imaging of Cu-mineralized rocks by coupling μ-LIBS and HSI
Coupling HSI and μ-LIBS for elemental and mineralogical imaging in rocks. Elemental and mineral distribution with micrometric spatial resolution. μ-LIBS was expanded to a new field of molecular imaging.
J. Anal. At. Spectrom., 2022,37, 1981-1993
https://doi.org/10.1039/D2JA00147K
High-accuracy quantitative analysis of coal by small sample modelling algorithm based laser induced breakdown spectroscopy
A new quantitative analysis algorithm based on data extraction and representative data selection in the LIBS field to establish the prediction model with a small sample size is proposed.
J. Anal. At. Spectrom., 2022,37, 2022-2032
https://doi.org/10.1039/D2JA00204C
Improving laser-induced breakdown spectroscopy regression models via transfer learning
Calibration datasets can be extended by using artificial neural networks to transform data collected on different LIBS systems. Hence, regression performance can be improved.
J. Anal. At. Spectrom., 2022,37, 1883-1893
https://doi.org/10.1039/D2JA00180B
High-precision iron isotopic measurements in low resolution using collision cell (CC)-MC-ICP-MS
Fe isotopic measurements in low resolution mode, using Nu Sapphire CC-MC-ICP-MS.
J. Anal. At. Spectrom., 2022,37, 1869-1875
https://doi.org/10.1039/D2JA00084A
Sensitive determination of chromium by inductively coupled plasma mass spectrometry using chelate-enhanced nebulized film dielectric barrier discharge vapor generation
A sensitive procedure was developed for trace Cr determination by ICP MS with a DDTC enhanced nebulized film dielectric barrier discharge (NFDBD) vapor generation sampling system.
J. Anal. At. Spectrom., 2022,37, 1876-1882
https://doi.org/10.1039/D2JA00235C
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Impact of ablation cell design in LA-ICP-MS quantification
The correlation between non-uniform gas flow patterns in large ablation cells and the resulting elemental fractionation is investigated and compared to two-volume ablation cells.
J. Anal. At. Spectrom., 2022,37, 1846-1854
https://doi.org/10.1039/D2JA00167E
In situ quantitative analysis of beryllium by EPMA: analytical conditions and further insights into beryllium geochemistry
Accurate in situ analysis of beryllium (Be) is still a technical bottleneck in the fields of geoscience and materials science.
J. Anal. At. Spectrom., 2022,37, 1824-1834
https://doi.org/10.1039/D2JA00103A
A polynomial interactive reconstruction method based on spectral morphological features for the classification of gem minerals using portable LIBS
The principle and process of the PIC method.
J. Anal. At. Spectrom., 2022,37, 1862-1868
https://doi.org/10.1039/D2JA00010E
ANN-LIBS analysis of mixture plasmas: detection of xenon
We developed an artificial neural network method for characterising crucial physical plasma parameters (i.e., temperature, electron density) in a fast and precise manner that mitigates common issues arising in evaluation of LIBS spectra.
J. Anal. At. Spectrom., 2022,37, 1815-1823
https://doi.org/10.1039/D2JA00132B
Determination of elements in sandstone using laser-induced breakdown spectroscopy assisted by the laser fusion method
Glass beads with improved physical properties were obtained by high-frequency pulse laser fusion of sandstone samples, which improved the stability of the LIBS signal.
J. Anal. At. Spectrom., 2022,37, 1855-1861
https://doi.org/10.1039/D2JA00071G
Analytical feasibility of a new reference material (IRMM-524A Fe metal) for the in situ Fe isotopic analysis of pyrite and ilmenite without matrix effects by femtosecond LA-MC-ICP-MS
Evaluation of the IRMM-524A Fe metal as a primary reference material and natural samples of pyrite and ilmenite as secondary reference materials is presented for the Fe isotopic analysis using femtosecond LA-MC-ICP-MS.
J. Anal. At. Spectrom., 2022,37, 1835-1845
https://doi.org/10.1039/D2JA00151A
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Quantification routines for full 3D elemental distributions of homogeneous and layered samples obtained with laboratory confocal micro XRF spectrometers
Confocal micro-X-ray fluorescence spectroscopy can be performed with laboratory spectrometers for elemental imaging and quantification with 3D resolution.
J. Anal. At. Spectrom., 2022,37, 1687-1695
https://doi.org/10.1039/D2JA00119E
Correction of moisture interference in laser-induced breakdown spectroscopy detection of coal by combining neural networks and random spectral attenuation
Increased humidity causes terrible accuracy in laser-induced breakdown spectroscopy analysis of coal. The moisture interference was reduced using artificial neural networks (ANN) combined with random spectral attenuation in this study.
J. Anal. At. Spectrom., 2022,37, 1658-1664
https://doi.org/10.1039/D2JA00138A
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Concurrent determination of U, Np, Pu, Am, and Cm in clay systems at ultra-trace levels with accelerator mass spectrometry
The present study demonstrates the analytical capability of AMS in clay matrices by the concurrent determination of the actinide nuclides 233U, 237Np, 244Pu, 243Am, and 248Cm down to ≈0.07 fg per sample.
J. Anal. At. Spectrom., 2022,37, 1696-1705
https://doi.org/10.1039/D2JA00107A
Approach to using 3D laser-induced breakdown spectroscopy (LIBS) data to explore the interaction of FLiNaK and FLiBe molten salts with nuclear-grade graphite
3D LIBS analysis provides insight into interaction of molten salts with nuclear grade graphites, including fluorine and other low-Z elements, through principal component and emission correlation analysis, as well as emission mapping/profiling.
J. Anal. At. Spectrom., 2022,37, 1629-1641
https://doi.org/10.1039/D2JA00168C
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Speciation of copper in human serum using conjoint liquid chromatography on short-bed monolithic disks with UV and post column ID-ICP-MS detection
A new method based on conjoint liquid chromatography with post-column ID-ICP-MS detection was developed for the speciation of Cu in human serum. Cu ceruloplasmin (Cu-Cp) is suggested as a potential biomarker in cancer diagnosis.
J. Anal. At. Spectrom., 2022,37, 1675-1686
https://doi.org/10.1039/D2JA00161F
High-precision magnesium isotope analysis of carbonates by laser ablation MC-ICP-MS using wet and dry conditions
In situ magnesium isotope compositions of carbonates play an important role in tracing geological and biological processes.
J. Anal. At. Spectrom., 2022,37, 1665-1674
https://doi.org/10.1039/D2JA00163B
Ultra-sensitive speciation analysis of inorganic platinum-chloride complexes in platinum-based drugs by HPLC-ICP-MS
This work establishes a hyphenated methodology coupling HPLC with ICP-MS for the determination of platinum chloride complexes as synthetic impurities of platinum-based drugs for the first time.
J. Anal. At. Spectrom., 2022,37, 1652-1657
https://doi.org/10.1039/D2JA00126H
An approach to estimate the contribution of signal noise to the diameter uncertainty of individual silver nanoparticles and resolution of spICP-MS analysis
The factors influencing the signal noise and its contribution to the uncertainty of a single AgNP size in spICP-MS were investigated.
J. Anal. At. Spectrom., 2022,37, 1484-1500
https://doi.org/10.1039/D2JA00039C
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Size determination of nanoparticles by ICP-ToF-MS using isotope dilution in microdroplets
Combination of microdroplet generator and ICP-ToF-MS for nanoparticle sizing via on-line ID (on-line ID-MDG-sp-ICP-ToF-MS). 194Pt/195Pt ratio was used for sizing of the particles, while 182W/183W ratio used simultaneously for mass bias correction.
J. Anal. At. Spectrom., 2022,37, 1203-1207
https://doi.org/10.1039/D2JA00072E
Simultaneous measurement of lithium isotope and lithium/beryllium ratios in FLiBe salts using MC-ICP-MS
FLiBe has favorable properties for use in molten salt nuclear reactors, and constraints on the thermochemical properties of the salt rely on accurate and precise analysis of the Li/Be ratio.
J. Anal. At. Spectrom., 2022,37, 1193-1202
https://doi.org/10.1039/D2JA00097K
Determination of ultra-trace level 241Am in soil by triple-quadrupole inductively coupled plasma-mass spectrometry with mass-shift mode combined with chemical separation
ICP-MS/MS measurement with mass-shift mode using O2/He–He collision gas can effectively suppress the interference of polyatomic ions from interfering elements (Pb, Hg, Tl, etc.) in analysis of ultra-trace level 241Am in environmental samples.
J. Anal. At. Spectrom., 2022,37, 1044-1052
https://doi.org/10.1039/D1JA00403D
Mass spectrometry insights into interactions of selenoprotein P with auranofin and cisplatin
The reactivity of selenoprotein P (a serum selenoprotein containing 10 selenocysteine (SeCys), 17 cysteine (Cys) and 14 histidine (His) residues) with two metallodrugs (auranofin and cisplatin) was investigated.
J. Anal. At. Spectrom., 2022,37, 1010-1022
https://doi.org/10.1039/D2JA00090C
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
New methods for determination of the mass-independent and mass-dependent platinum isotope compositions of iron meteorites by MC-ICP-MS
We have developed methods to accurately determine the platinum isotope compositions of iron meteorites. These can be used to investigate processes of planetary formation and evolution, including accretion and core crystallisation.
J. Anal. At. Spectrom., 2022,37, 783-794
https://doi.org/10.1039/D1JA00468A
Laser ablation-ICP-mass spectrometry for determination of the concentrations and spatial distributions of bromine and iodine in human hair
Laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) was applied for the determination of Br and I in hair strands of human individuals under treatment with synthetic thyroid hormones.
J. Anal. At. Spectrom., 2022,37, 775-782
https://doi.org/10.1039/D1JA00441G
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Resolution enhancement in micro-XRF using image restoration techniques
The spatial resolution of micro-XRF can be improved by oversampling and image restoration techniques.
J. Anal. At. Spectrom., 2022,37, 750-758
https://doi.org/10.1039/D1JA00425E
Simultaneous determination of lithology and major elements in rocks using laser-induced breakdown spectroscopy (LIBS) coupled with a deep convolutional neural network
By combining a convolutional neural network (CNN) and laser induced breakdown spectroscopy, this study reports a multi-task analysis method to simultaneously solve the problems of lithological recognition and the quantitative analysis of seven major chemical elements in rock analysis.
J. Anal. At. Spectrom., 2022,37, 508-516
https://doi.org/10.1039/D1JA00406A
“Non-invasive” portable laser ablation sampling for lead isotope analysis of archaeological silver: a comparison with bulk and in situ laser ablation techniques
Portable laser ablation is tested for Pb isotope analysis of silver, yielding results comparable to bulk analyses. This low impact method removes the need for invasive sampling, opening the way for analysis of archaeological silver worldwide.
J. Anal. At. Spectrom., 2022,37, 148-156
https://doi.org/10.1039/D1JA00342A
![Open Access](https://www.rsc-cdn.org/pubs-core/2022.0.147/content/NewImages/open-access-icon-orange.png)
Development of the 3He mass spectrometric low-level tritium analytical facility at the IAEA
This work will describe a system to quantify ultra-low-level tritium concentrations in ∼100 mL water samples. Tritium decays into 3He, thus we can take advantage of high sensitivity noble gas mass spectrometry.
J. Anal. At. Spectrom., 2022,37, 2502-2509
https://doi.org/10.1039/D2JA00173J
Sanidine in obsidian and its applicability in neutron flux monitor development for 40Ar/39Ar dating
The neutron flux monitor is a critical part of the process of 40Ar/39Ar dating. We report a new protocol to prepare a neutron flux monitor from the sanidine contained within obsidian, a rock which has undergone rapid eruption and cooling on the surface.
J. Anal. At. Spectrom., 2022,37, 2286-2293
https://doi.org/10.1039/D2JA00266C
In situ measurement of Sm–Nd isotopic ratios in geological materials with Nd < 100 μg g−1 by LA-MC-ICP-MS
In this study, we developed a method for measuring Sm–Nd isotopic ratios in samples with low Nd contents (<100 μg g−1) by LA-MC-ICP-MS.
J. Anal. At. Spectrom., 2022,37, 1776-1786
https://doi.org/10.1039/D2JA00181K
Novel nickel trap coupled with electrothermal vaporization for the direct solid-sampling analysis of cadmium in soil
In this study, a foamed nickel trap (NT) was first utilized as a gas-phase enrichment (GPE) material to preconcentrate Cd under ambient temperature and then release it by heating.
J. Anal. At. Spectrom., 2022,37, 1611-1617
https://doi.org/10.1039/D2JA00106C
Laser ablation of ‘diamonds-in-water’ for trace element and isotopic composition analysis
A new laser ablation technique combined with mass spectrometry measurements was applied for trace elements and radiogenic isotopic analyses of high-density fluid (HDF) microinclusion-bearing diamonds.
J. Anal. At. Spectrom., 2022,37, 1431-1441
https://doi.org/10.1039/D2JA00088A
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.