OOIR: Observatory of International Research

Papers

(The TQCC of Rapid Communications in Mass Spectrometry is 3. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-01-01 to 2025-01-01.)

Article	Citations
Native mass spectrometry interrogation of complexes formed during targeted protein degradation	49
RCM protocols: improving reproducibility in the field of mass spectrometry	34
A new method for phosphate purification for oxygen isotope ratio analysis in freshwater and soil extracts using solid‐phase extraction with zirconium‐loaded resin	31
Single‐filament imaging mass spectrometry lipidomics in Arthrospira platensis	25
Vaporization and thermodynamic properties of the SrO‐Al₂O₃ system studied by Knudsen effusion mass spectrometry	23
Meet the Editors ‐ Roland Bol	22
Characterization of spironolactone and metabolites derivatized using Girard's reagent P using mass spectrometry and ion mobility spectrometry	21
Ion confinement and separation using asymmetric electrodynamic fields in structures for lossless ion manipulations	21
Thermal electron attachment to halogenated silanes in the gas phase	21
Method of micro‐sampling human dentine collagen for stable isotope analysis	20
Metabolipidomic changes induced by dermal nickel penetration determined in an ex vivo porcine ear skin model	20
An optimised method to isotopically label pure synthetic peptides ‘in‐house’ for absolute quantification in bottom‐up proteomics	20
High‐resolution mass spectrometry exhalome profiling with a modified direct analysis in real time ion source	19
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Rapid detection and structural characterization of methysticin metabolites generated from rat and human liver microsomes and hepatocytes using ultra‐high‐performance liquid chromatography coupled with	18
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Cover Image	17
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The European Bioinformatics Community for Mass Spectrometry (EuBIC‐MS): an open community for bioinformatics training and research	16
Study of protonated dimers of cytosine, cytidine, and deoxycytidine using survival yield method and quantum mechanics calculations	16
A general procedure for rounding m/z values in low‐resolution mass spectra	15
Rationalising the retro‐Diels‐Alder fragmentation pattern of viscutins using electrospray interface‐tandem mass spectrometry coupled to theoretical modelling	15
Physicochemical property evaluation of modified oligonucleotides by traveling‐wave ion mobility mass spectrometry	15

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Matrix‐assisted laser desorption/ionization matrix incorporation evaluation algorithm for improved peak coverage and signal‐to‐noise ratio in mass spectrometry imaging	14
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A unique sequential C–S or N–S inductive cleavage and retro‐Diels‐Alder fragmentation mechanism for alkylsulfonyl piperidine‐ and piperazine‐containing compounds	14
Investigations of β‐carotene radical cation formation in infrared matrix‐assisted laser desorption electrospray ionization (IR‐MALDESI)	14
A mass defect–based approach for the automatic construction of peak lists for databases of mass spectra with limited resolution: Application to time‐of‐flight secondary ion mass spectrometry data	13
Rapid determination of 111 anti‐infective drugs possibly added in cosmetics using high‐performance liquid chromatography–tandem mass spectrometry with scheduled multiple reaction monitoring	13
Hollow electrode capillary plasma ionization source for rapid online detection of gaseous samples	13
Identification of multiple plasma lipids as diagnostic biomarkers of hypercholesterolemia and the underlying mechanisms based on pseudo‐targeted lipidomics	12
A simple CO₂ equilibration method for measuring blood oxygen isotope compositions	12
Rapid detection of sulfur mustard hydrolysis products based on microextraction by packed sorbent combined with nano‐electrospray ionization mass spectrometry	11
Atmospheric pressure chemical ionization mass spectrometry of retro‐carotenoids	11
Extensive generation and characterization of ion clusters by silicopolyoxometalate anions under matrix‐assisted laser desorption/ionization conditions in the gas phase	11
Spectrally accurate quantitative analysis of isotope‐labeled compounds	11
Fred Warren McLafferty (1923–2021), pioneer of mass spectrometry and its application to proteomic analysis	11
Comprehensive metabolite identification study of arterolane using hydrophilic interaction liquid chromatography with quadrupole‐time‐of‐flight mass spectrometry	11
Direct analysis in real‐time mass spectrometry: Observations of helium, nitrogen and argon as ionisation gas for the detection of small molecules using a single quadrupole instrument	11
Meet the editors – G. John Langley	11
Investigating the exceptional adducts of alkoxides with Ru(II)–arene cations in alkyl alcohol solution using electrospray ionization mass spectrometry	11
Identification of degradation products of brivaracetam using liquid chromatography quadrupole time‐of‐flight tandem mass spectrometry: Degradation pathway elucidation	10
Comprehensive multicomponent characterization and quality assessment of Shuang‐Huang‐Lian powder injection using ultra‐high‐performance liquid chromatography‐quadrupole time‐of‐flight‐mass spectrometr	10
Tandem mass tag‐based quantitative proteomics analyses of the spermatogenesis‐ameliorating effect of Youjing granule on rats	10
Glow flow ionization mass spectrometry of small molecules. A comparison of a glow flow ionization source (‘GlowFlow’) with electrospray ionization and atmospheric pressure chemical ionization	10
4‐Mercaptobenzoic acid‐assisted laser desorption/ionization mass spectrometry for sensitive quantification of cesium and strontium in drinking water	10
A high‐specificity aniline‐based mass tag for aldehyde detection	10
Integrated data analysis making use of the total information from gas chromatography and high‐resolution time‐of‐flight mass spectrometry to identify qualitative differences between two whisky samples	9
Impurity profile and spectrum characteristics of the isomers in cefamandole nafate using high‐ performance liquid chromatography/high‐performance size exclusion chromatography tandem ion trap/time‐of‐	9
Dissection of the potential anti‐diabetes mechanism of salvianolic acid B by metabolite profiling and network pharmacology	9
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Direct analysis in real‐time tandem mass spectrometry method for the rapid screening of 11 new psychoactive substances in blood and urine	9
Deconvolution of overlapping peaks in ion mobility spectrometry based on a multiobjective dynamic teaching‐learning‐based optimization	9
Pharmacokinetics and tissue distribution study of 18 bioactive components in healthy and chronic heart failure rats after oral administration of Qi‐Shen‐Ke‐Li formula using ultra‐high‐performance liqu	9
Improved plasma stoichiometry recorded by laser ablation ionization mass spectrometry using a double‐pulse femtosecond laser ablation ion source	9
Analysis of electrochemical and liver microsomal transformation products of lasalocid by LC/HRMS	9
LC‐HRMS‐based metabolomics workflow: An alternative strategy for metabolite identification in the antidoping field	9
Analysis of nicotine in plasma, brain, and hair samples with the same liquid chromatography–tandem mass spectrometry method	9
Characterization of Fritillariae cirrhosae bulbus from multiple sources by potential Q‐marker based on metabolomics and network pharmacology	9
Performance of low‐cost stainless‐steel beverage kegs for long‐term storage integrity and easy dispensing of water isotope (δ¹⁸O, δ²H) reference materials	9
Are benzoylium and nitrilium ions produced from substituted 2‐arene‐2‐oxazolines during mass spectrometry? A study based on density functional theory calculations, quantum theory of atoms in molecules	8
Double‐valence photoionization of SUVA134a molecule (CFH₂CF₃)	8
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The influence of biopsy site and pregnancy on stable isotope ratios in humpback whale skin	8
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Unusual modifications of protein biomarkers expressed by plasmid, prophage, and bacterial host of pathogenic Escherichia coli identified using top‐down proteomic analysis	8
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Identification of metabolites in plasma related to different biological activities of Panax ginseng and American ginseng	8
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Development and validation of high‐performance liquid chromatography‐Orbitrap mass spectrometric method for quantification of NDMA in ranitidine drug products and evaluation of antioxidants as inhibit	8
Electrospray ionization mass spectrometry adduct formation by mobile phase additives: A case study using nitrile functional groups containing selective androgen receptor modulators	8
Rapid and direct detection of artificially aged papers employing easy ambient sonic‐spray ionization mass spectrometry	8

Comparison of isotope ratio mass spectrometry and cavity ring‐down spectroscopy procedures and precision of the doubly labeled water method in different physiological specimens	8
A hydrolyzed N‐propionylthiosuccinimide linker is cleaved by metastable fragmentation, increasing reliability of conjugation site identification in conjugate vaccines	8
Accelerated synthesis of phthalimide derivatives: Intrinsic reactivity of diamines towards phthalic anhydride evaluated by paper spray ionization mass spectrometry	8
High‐resolution multi‐reflection time‐of‐flight mass spectrometer with atmospheric pressure interface	8
A preliminary investigation into the feasibility of laser ablation U–Pb isotope ratio measurement via all‐faraday cup detection with 10¹¹‐ and 10¹³‐Ω amplifiers on the Neoma mult	8
Establishment of high‐performance liquid chromatography‐photodiode array method for 43 weight loss agents and effect of basic environment on bisacodyl degradation	8
Rapid and flexible online desalting using Nafion‐coated melamine sponge for mass spectrometry analysis	7
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Pre‐treatment methods for stable oxygen and carbon isotope analyses of structural carbonates of bones in marine teleost fishes	7
Automated multi‐attribute method sample preparation using high‐throughput buffer exchange tips	7
New developments in low‐impact mass spectrometry	7
MS Amanda 2.0: Advancements in the standalone implementation	7
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Metabolomics profiling for diagnosis of acute renal failure after cardiopulmonary bypass	7
Gas chromatography–mass spectrometry of some homolycorine‐type Amaryllidaceae alkaloids	7
High‐precision measurement of phenylalanine and glutamic acid δ¹⁵N by coupling ion‐exchange chromatography and purge‐and‐trap continuous‐flow isotope ratio mass spectrometry	7
Miniature mass spectrometer signal processing based on ensemble empirical mode decomposition feature enhancement	7
CO₂ scrubbing, zero gases, Keeling plots, and a mathematical approach to ameliorate the deleterious effects of ambient CO₂ during ¹³C breath testing in humans and anim	7
Gas‐phase F‐atom migration reaction of deprotonated N‐fluoroarenesulfonamides	7
Mass spectrometric‐based investigation of differentially protected azatryptophan derivatives using Orbitrap mass spectrometry: Differentiation of positional isomers under protonation and alkali‐cation	7
Rapid screening procedures for a variety of complex forensic samples using laser diode thermal desorption (LDTD) coupled to different mass spectrometers	7
Developing CHCA/PPD as a novel matrix for enhanced matrix‐assisted laser desorption/ionization‐mass spectrometry imaging for analysis of antibiotics in grass carp tissues	7
Daporinad in vitro metabolite profiling via rat, dog, monkey and human liver microsomes by liquid chromatography/quadrupole‐orbitrap mass spectrometry	7
Assessing the performance of international laboratories analysing the stable isotope composition (δ¹⁵N, δ¹⁸O, δ¹⁷O) of nitrate in environmental wa	7
High‐accuracy measurement of ³⁶SF₅⁺ signal using an ultrahigh‐resolution isotope ratio mass spectrometer	6
Investigation of the laser fluence and wavelength dependence in surface‐assisted laser desorption/ionization mass spectrometry using gold nanoparticles	6
Low‐energy electron interactions with chlorotrimethylsilane (Si(CH₃)₃Cl), dichlorodimethylsilane (Si(CH₃)₂Cl₂) and chloromethyldimethylsilane (Si	6
Profiling and analysis of multiple constituents in Crataegi Fructus before and after processing by ultrahigh‐performance liquid chromatography quadrupole time‐of‐flight mass spectrometry	6
An advanced automation platform coupled with mass spectrometry for investigating in vitro human skin permeation of UV filters and excipients in sunscreen products	6
Determination of the δ²H values of high molecular weight lipids by high‐temperature gas chromatography coupled to isotope ratio mass spectrometry	6
Gas chromatography/mass spectrometry analysis of organic acid profiles in human serum: A protocol of direct ultrasound‐assisted derivatization	6
Identification of three types of O‐glycosylated flavonoids in Dendrobium loddigesii, Dendrobium primulinum, Dendrobium crepidatum, Dendrobium porphyrochilum, and	6
On‐site analysis and rapid identification of citrus herbs by miniature mass spectrometry and machine learning	6
Three combustion reactions in a single elemental analysis and isotope ratio mass spectrometry acquisition as a strategy to save helium and energy	6
Ion–shift reagent binding energy and the mass–mobility shift correlation in ion mobility spectrometry	6
Software‐assisted automated detection and identification of “unknown” analogues of benzodiazepines in liquid chromatography mass spectrometry analysis	6
Characterisation of new reference materials IAEA‐610, IAEA‐611 and IAEA‐612 aimed at the VPDB δ¹³C scale realisation with small uncertainty	6
Rapid discrimination of geographical origin of garlic (Allium sativum L.): A metabolomic approach applied to paper spray mass spectrometry data	6
A passive method for sampling water in the soil–plant–atmosphere continuum for stable hydrogen and oxygen isotope analyses	6
A sealed‐tube method for offline δ¹³C analysis of CO₂ via a Gas Bench II continuous‐flow isotope ratio mass spectrometer	6
Identifying migratory pathways of Nathusius' pipistrelles (Pipistrellus nathusii) using stable hydrogen and strontium isotopes	6
Reagent and analyte ion hydrates in secondary electrospray ionization mass spectrometry (SESI‐MS), their equilibrium distributions and dehydration in an ion transfer capillary: Modelling and experimen	6
A novel protocol for in‐depth analysis of recombinant adeno‐associated virus capsid proteins using UHPLC–MS/MS	6
Applications of direct analysis in real time mass spectrometry in food analysis: A review	6
Determination of N7‐glycidamide guanine adducts in human blood DNA following exposure to dietary acrylamide using liquid chromatography/tandem mass spectrometry	6
Assessing the preservation of biogenic strontium isotope ratios (⁸⁷Sr/⁸⁶Sr) in the pars petrosa ossis temporalis of unburnt human skeletal remains: A case study from Saba	6
Development and validation of an analytical method for trace‐level quantification of genotoxic nitrosamine impurities in losartan and hydrochlorothiazide fixed‐dose combination tablets using ultra per	6
Benzylic rearrangement for urinary analysis of guanidino and ureido compounds in cardiac surgery–associated acute kidney injury using high‐performance liquid chromatography–tandem mass spectrometry	6
Integrating ultra‐high‐performance liquid chromatography tandem mass spectrometry and imaged capillary isoelectric focusing for in‐depth characterization of complex fusion proteins	6
Development of a Matrix‐Assisted Laser Desorption Ionization High Resolution Mass Spectrometry Method for the Quantification of Camalexin and Scopoletin in Arabidopsis thaliana	6
Characterization of potential degradation products of brexpiprazole by liquid chromatography/quadrupole–time‐of‐flight mass spectrometry and nuclear magnetic resonance, and prediction of their physico	6
The maximum carbonyl ratio (MCR) as a new index for the structural classification of secondary organic aerosol components	6
Formation of positive product ions from substances with low proton affinity in high kinetic energy ion mobility spectrometry	6
Matrix‐free laser desorption/ionization mass spectrometry imaging for rapid evaluation of wood biomass conversion	6
Serum phosphopeptide profiling for colorectal cancer diagnosis using liquid chromatography–mass spectrometry	6
Determination of estrogens in human serum using a novel chemical derivatization–assisted liquid chromatography‐electrospray ionization‐tandem mass spectrometry method	6
Assessment of Serum Metabolism and Eicosanoid Profiling in Pediatric Asthma and Bronchiolitis via Liquid Chromatography‐Mass Spectrometry	6
Simultaneous quantification of endogenous biomarkers and detection of testosterone esters in human serum using gas chromatography–high‐resolution mass spectrometry	6
Trace detection of styphnate from pre‐ and post‐blast samples by hydrophilic interaction chromatography with tandem mass spectrometry	6
Application of predicted fragmentation pathways and fragment ion structures for detecting steroids and selective androgen receptor modulators in dietary supplements using liquid chromatography–quadrup	5
Low‐energy electron ionization optimization for steroidomics analysis using high‐resolution mass spectrometry	5
Inadequate definition of the limit of quantification used for the analysis of perfluoroalkyl substances in food by liquid chromatography–tandem mass spectrometry may compromise the reliability of the	5
Native mass spectrometry interrogation of complexes formed during targeted protein degradation	5
Desorption electrospray ionization mass spectrometry imaging of latent fingerprints revealed by Oil Red O	5
Characteristics of ionization behaviors of aminonitrotoluene isomers produced by atmospheric pressure chemical ionization	5
Strategies to overcome interferences in elemental and isotopic geochemical analysis by quadrupole inductively coupled plasma mass spectrometry: A critical evaluation of the recent developments	5
A simple and cost‐effective sample preparation and storage method for stable isotope analysis of atmospheric CO₂ for GasBench II/continuous flow isotope ratio mass spectrometry	5
A fragmentation study of disaccharide flavonoid C‐glycosides using triple quadrupole mass spectrometry and its application for identification of flavonoid C‐glycosides in Odontosoria chinensis	5
Machine learning approach for the prediction of the number of sulphur atoms in peptides using the theoretical aggregated isotope distribution	5
Isotopically characterised N₂O reference materials for use as community standards	5
Hydrophilic, dual amino acid–functionalized zinc sulfide quantum dot for specific identification of N‐glycopeptides from biological samples	5
Tandem‐trapped ion mobility spectrometry/mass spectrometry coupled with ultraviolet photodissociation	5
Study of atmospheric pressure chemical ionization of phthalates in air by ion mobility spectrometry/mass spectrometry	5
Dissection of potential anti‐osteoporosis mechanism of isopsoralen – a quality control marker in Psoraleae Fructus – by metabolite profiling and network pharmacology	5
Simultaneously improving the resolving power and sensitivity for planar high‐field asymmetric waveform ion mobility spectrometry using a mixed gas inlet mode at two ends	5
Determination and gas‐phase stability evaluation of metal complexes by nanoelectrospray ionization and collision‐induced dissociation tandem mass spectrometry	5
Progress of proteomics‐driven precision medicine: From a glycosylation view	5
Comprehensive analysis of phospholipids and glycerol glycolipids in green pepper by ultra‐performance liquid chromatography/quadrupole time‐of‐flight mass spectrometry	5
Equine metabolic investigation of the phosphodiesterase‐4 inhibitor ibudilast as a potential performance enhancer	5

Where have all the ions gone, long time passing? Tandem quadrupole mass spectrometers with atmospheric pressure ionization sensitivity gains since the mid‐1970s. A perspective	5
Development of native mass spectrometry with nanoelectrospray ionization coupled to size exclusion chromatography for proteins	5
Adaptive Multicore Dual‐Path Fusion Multimodel Extraction of Heterogeneous Features for FAIMS Spectral Analysis	5
The use of pseudo‐MRM for a sensitive and selective detection and quantification of polycyclic aromatic compounds by tandem mass spectrometry	5
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Simultaneous determination of poly‐ and perfluoroalkyl substances and organophosphorus flame retardants in serum by ultra‐performance liquid chromatography/tandem mass spectrometry	5
The characterization and quantification of structures of Cajanus scarabaeoides phytochemicals and their seasonal variation analysis using ultra‐performance liquid chromatography–tand	5
Creation of Gas‐Phase Organo‐Uranium Species by Removal of “yl” Oxo Ligands From UO₂²⁺ Carboxylate Precursor Ions	5
Optimized liquid chromatography–tandem mass spectrometry protocol for enhanced detection of 45 pesticides in water and soil samples	5
Analysis of protein expression changes in patients with prediabetes using proteomics approaches	5
Hydrophobic microporous extraction on polyurethane sponges for convenient and sensitive analysis of organic molecules in water	5
From mass to structure: Modified van Krevelen diagram and adjusted indexes for high‐resolution mass data of organic matter	5
Same, but different: Variations in fragment ions among stereoisomers of a 17α‐methyl steroid in gas chromatography/electron ionization mass spectrometry	5
EDITORIAL	5
Mass spectral characterisation of cyclic oligoesters in a biodegradable mulch film	5
Ultrahigh‐performance liquid chromatography coupled to ion mobility quadrupole time‐of‐flight mass spectrometry profiling and unveiling the transformation of ginsenosides by the dual conditions of cit	5
Ultra‐high‐performance liquid chromatography combined with electrospray ionization quadrupole time‐of‐flight mass spectrometry and molecular networking analysis to investigate the chemodiversity of bi	5
Gas‐phase formation of Grignard‐type organolanthanide (III) ions RLnCl₃⁻: The influences of lanthanide center and hydrocarbyl group	5
Guidance for characterization of in‐house reference materials for light element stable isotope analysis	5
Evaluation of the reliability of MS1‐based approach to profile naturally occurring peptides with clinical relevance in urine samples	5
Separation of mycolic acid isomers by cyclic ion mobility‐mass spectrometry	5
How searching against multiple libraries can lead to biased results in GC/MS‐based metabolomics	5
Use of in‐sample calibration curve approach for quantification of peptides with high‐resolution mass spectrometry	4
Cover Image	4
Overlapping peak separation algorithm for ion mobility spectra based on multistrategy JAYA	4
Dereplication of tropane alkaloids from four Erythroxylum species using liquid chromatography coupled with ESI‐MSⁿ and HRESIMS	4
Tandem mass spectrometry using continuous‐wave infrared multiphoton dissociation in an electrostatic linear ion trap	4
Influence of sample volume on nitrate N and O isotope ratio analyses with the denitrifier method	4
Dual roles of [CHCA + Na/K/Cs]⁺ as a cation adduct or a protonated salt for analyte ionization in matrix‐assisted laser desorption/ionization mass spectrometry	4
Fully resolved high‐precision measurement of ³⁶S for sulfur reference materials	4
New type of filaments for improved accuracy of multiple sulfur isotope analyses by electron‐impact gas‐source mass spectrometry	4
Electron ionization mass spectrometric fragmentation and multiple reaction monitoring quantification of ferulic and p‐coumaric acid trimethylsilyl derivatives in deposited atmospheric particles	4
High‐temperature mass spectrometric study of thermodynamic properties in the TiO₂–Al₂O₃–SiO₂ system and modeling	4
Method optimization of the simultaneous detection of B₁₂ congeners leading to the detection of a novel isomer of hydroxycobalamin in seawater	4
Electrospray mass spectrometry method to prevent the reduction of hexavalent to pentavalent chromium	4
Gas chromatography–mass spectrometric determination of organic acids in fruit juices by multiwalled carbon nanotube–based ion‐pair dispersive solid‐phase extraction and in situ butylation	4
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Gas chromatography–mass spectrometry of eight aminoindanes: 2‐Aminoindane, N‐methyl‐2‐, 5‐methoxy‐, 5‐methoxy‐6‐methyl‐, 4,5‐methylenedioxy‐, 5,6‐methylenedioxy‐ and 5‐iodo‐2‐aminoindane, and r	4
Manual mass spectrometry de novo sequencing of the anionic host defense peptides of the Cuban Treefrog Osteopilus septentrionalis	4
A biomarker panel of secondary hypertension is simultaneously quantified by coupling of magnetic solid‐phase extraction and liquid chromatography–tandem mass spectrometry	4
Formation of sodium cluster ions complicates liquid chromatography–mass spectrometry metabolomics analyses	4
Novel sample treatment method for the determination of free (E)‐4‐hydroxy‐2‐nonenal in meat products by liquid chromatography/tandem mass spectrometry using 4‐hydroxy‐2‐nonenal‐d₃	4
An ultra‐performance liquid chromatography–quadrupole time‐of‐flight tandem mass spectrometry method based on a four‐step analysis strategy to investigate metabolites of Qi‐Yu‐San‐Long decoction in ra	4
Carbon allocation in cassava is affected by water deficit and potassium application – A ¹³C‐CO₂ pulse labelling assessment	4
A high‐resolution mass spectrometric approach to a qualitative and quantitative comparative metabolism of the humantenine‐type alkaloid rankinidine	4
Identification of the metabolites of methylophiopogonanone A by ultra‐high‐performance liquid chromatography combined with high‐resolution mass spectrometry	4
A new phosphate purification method for igneous weathering profiles	4
A rapid method for the determination of stable hydrogen isotope ratios of acetic acid in vinegar	4
Dissection of schistosome tissues under LC–MS compatible preservative conditions for quantitative proteomics	4
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Preliminary stable isotope analyses for propellant discrimination in shotshells	4
Isotopic analysis of otolith carbonates using laser heating: A fast method for obtaining high‐resolution climate signal	4
An automated streamlined method for the therapeutic drug monitoring of digoxin based on the online‐solid‐phase extraction liquid chromatography tandem high‐resolution mass spectrometry	4
Structural elucidation of bisphenol E and bisphenol S photoinduced by‐products by high‐resolution electrospray ionisation mass spectrometry and tandem mass spectrometry	4
Optimizing sulfate pyrolysis triple oxygen isotope analysis for samples from desert environments	4
Ultra‐low current electrospray ionization of chloroform solution for the analysis of perfluorinated sulfonic acids	4
Mass spectrometry based fragmentation patterns of nitrosamine compounds	4
Mass spectral and theoretical investigations of N–C^αbond cleavages in the disulfide‐containing peptide TTCPYCKK and its analogues	4
Effective collisional cross‐section of small ions in the gas phase: Application to ion mobility spectrometry	4
Free N‐heterocyclic carbenes from Brønsted acidic ionic liquids: Direct detection by electrospray ionization mass spectrometry	4
Structural characterization of Chemical Weapons Convention‐related phosphonoselenoates by electron ionization and electrospray ionization mass spectrometry	4
Adapting an elemental analyser to perform high‐temperature catalytic oxidation for dissolved organic carbon measurements in water	4
The carbon stable isotope compositions of glyphosate and aminomethylphosphonic acid (AMPA): Improved analytical sensitivity and first application to environmental water matrices	4
An extensive screening method for the identification and quantitation of ecdysteroids in equine urine and plasma using liquid chromatography coupled with mass spectrometry	4
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Covalent organic framework film–based laser desorption/ionization mass spectrometry for rapid and sensitive quantification of homocysteine in human serum	4
Electron ionization fragmentation studies for a series of 4‐methoxymethylene benzoate esters	4
Rapid characterization of isotopic purity of deuterium‐labeled organic compounds and monitoring of hydrogen–deuterium exchange reaction using electrospray ionization‐high‐resolution mass spectrometry	4
Discovery proteomics of human placental tissue	4
Determination of elemental impurities in lomefloxacin hydrochloride ear drops by inductively coupled plasma‐mass spectrometry using oxygen reaction mode and study of their catalytic effect on photodeg	4
Uncovering the interference from lipid fragments on the qualification and quantification of serum metabolites in matrix‐assisted laser desorption/ionization time‐of‐flight mass spectrometric analysis	4
Boroxine benzaldehyde complex for pharmaceutical applications probed by electron interactions	4
Evaluating the accuracy and reliability of compound‐specific carbon isotopic analysis using gas chromatography‐combustion‐isotope ratio mass spectrometry with the addition of a reduction furnace	4
High‐precision zinc isotope measurement of chemically different geostandards by multicollector inductively coupled plasma mass spectrometry	4
Diet‐tissue discrimination and turnover of δ¹³C and δ¹⁵N in muscle tissue of a penaeid prawn	4
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¹⁷O‐excess and d‐excess of atmospheric water vapor measured by cavity ring‐down spectrometry: Evidence of a matrix effect and implication for the calibration procedure	4
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Application of a porous graphitic carbon column to carbon and nitrogen isotope analysis of underivatized individual amino acids using high‐performance liquid chromatography coupled with elemental anal	4
Investigation of pharmacodynamic material basis of Anemarrhenae Rhizoma and its processed products based on plant metabolomics and molecular docking technology	4
Guided analysis of ambient ionization mass spectrometry data with the MQ Assistant	4
INFERYS rescoring: Boosting peptide identifications and scoring confidence of database search results	4
Hydroxy levamisole and its phase II conjugates as potential indicators of levamisole doping in thoroughbred horses	3
Chemometric approaches to resolving base oil mixtures	3
Identification of active ingredients in Naomaitai capsules using high‐resolution mass spectrometry unite molecular network analysis and prediction of their action mechanisms	3
Detection of abused drugs in human exhaled breath using mass spectrometry: A review	3
Proof of concept evidence that stable isotopes of carbon, nitrogen and sulphur may identify individual kittiwakes breeding in different colonies	3
Development of three chalcopyrites and one copper metal as potential reference materials for copper isotopic analysis by LA‐MC‐ICP‐MS	3
Selective molecular characterization of organic aerosols using in situ laser desorption ionization mass spectrometry	3
Machine learning methods for compound annotation in non‐targeted mass spectrometry—A brief overview of fingerprinting, in silico fragmentation and de novo methods	3
Online LC‐Orbitrap MS method for the rapid molecular characterization of dissolved organic matter	3
Spectral libraries from nucleobases and deoxyribonucleosides facilitate the identification of ribonucleosides by nano‐flow liquid chromatography–tandem mass spectrometry	3
Accurate measurement of K/Ca in low‐[K] carbonate samples using laser‐ablation sector‐field inductively coupled plasma mass spectrometry	3
Nitrogen stable isotope turnover and discrimination in lizards	3
Determination of three ephedrine psychoactive substances in sewage using solid‐phase extraction–ultra‐performance liquid chromatography–tandem mass spectrometry	3