OOIR: Observatory of International Research

Papers

(The TQCC of Rapid Communications in Mass Spectrometry is 4. 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 2021-12-01 to 2025-12-01.)

Article	Citations
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	38
Assessing the preservation of biogenic strontium isotope ratios ( ⁸⁷ Sr/ ⁸⁶ Sr) in the pars petros	27
Miniature mass spectrometer signal processing based on ensemble empirical mode decomposition feature enhancement	24
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Assessing the performance of international laboratories analysing the stable isotope composition ( δ ¹⁵ N,	18
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Issue Information	18
APCI‐Multistage Mass Spectrometry Following Liquid Chromatography for Selected 4‐Desmethyl‐Sterols and Their Deuterium‐Labelled Analogues Unveils Characteristic Fragmentation Routes for Cholesterol an	16
Establishment of high‐performance liquid chromatography‐photodiode array method for 43 weight loss agents and effect of basic environment on bisacodyl degradation	15
Identification of multiple plasma lipids as diagnostic biomarkers of hypercholesterolemia and the underlying mechanisms based on pseudo‐targeted lipidomics	15
4‐Mercaptobenzoic acid‐assisted laser desorption/ionization mass spectrometry for sensitive quantification of cesium and strontium in drinking water	15
Unusual modifications of protein biomarkers expressed by plasmid, prophage, and bacterial host of pathogenic Escherichia coli	15
Identification of degradation products of brivaracetam using liquid chromatography quadrupole time‐of‐flight tandem mass spectrometry: Degradation pathway elucidation	14
A simple CO ₂ equilibration method for measuring blood oxygen isotope compositions	14
A novel protocol for in‐depth analysis of recombinant adeno‐associated virus capsid proteins using UHPLC–MS/MS	13
A new method for phosphate purification for oxygen isotope ratio analysis in freshwater and soil extracts using solid‐phase extraction with zirconium‐loaded resin	13
Automated multi‐attribute method sample preparation using high‐throughput buffer exchange tips	13
Atmospheric pressure chemical ionization mass spectrometry of retro ‐carotenoids	13
Hydrophilic, dual amino acid–functionalized zinc sulfide quantum dot for specific identification of N ‐glycopeptides from biological samples	12
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A new phosphate purification method for igneous weathering profiles	11
Gas chromatography/mass spectrometry analysis of reaction products of Chemical Weapons Convention–related 2‐( N , N	11
Matrix‐free laser desorption/ionization mass spectrometry imaging for rapid evaluation of wood biomass conversion	11
Investigation of the laser fluence and wavelength dependence in surface‐assisted laser desorption/ionization mass spectrometry using gold nanoparticles	11

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Identification of active ingredients in Naomaitai capsules using high‐resolution mass spectrometry unite molecular network analysis and prediction of their action mechanisms	11
The influence of biopsy site and pregnancy on stable isotope ratios in humpback whale skin	11
Method optimization of the simultaneous detection of B ₁₂ congeners leading to the detection of a novel isomer of hydroxycobalamin in seawater	11
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Identification of metabolites in plasma related to different biological activities of Panax ginseng	11
Hybrid complex anions of ginsenosides resulted from direct infusion–tandem mass spectrometry	10
Native mass spectrometry interrogation of complexes formed during targeted protein degradation	10
Evaluation of acquisition modes for semi‐quantitative analysis by targeted and untargeted mass spectrometry	10
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	10
Guided analysis of ambient ionization mass spectrometry data with the MQ Assistant	10
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¹⁷ O‐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	10
Covalent organic framework film–based laser desorption/ionization mass spectrometry for rapid and sensitive quantification of homocysteine in human serum	10
An Efficient Solid Phase Extraction Method for Purification and Analysis of Compound‐Specific Plant Sugar Stable Hydrogen Isotope Values	10
Dissection of schistosome tissues under LC–MS compatible preservative conditions for quantitative proteomics	10
Determination and gas‐phase stability evaluation of metal complexes by nanoelectrospray ionization and collision‐induced dissociation tandem mass spectrometry	10
Fully resolved high‐precision measurement of ³⁶ S for sulfur reference materials	10
Transcriptomic and Metabolomic Mechanism of Ibuprofen, Chondroitin Sulfate, and Vitamins With Minerals Tablets (21) for Kashin–Beck Disease Treatment	9
Analytical method development, identification, and characterization of stress degradation products of idelalisib by ultrahigh‐performance liquid chromatography with photodiode array and ultrahigh‐perf	9
LC‐IRMS Persulfate Oxidation: Case Study on Neonicotinoid‐Related Structures	9
Chemical composition analysis of Qingyan dropping pills using ultra‐high‐performance liquid chromatography‐quadrupole time‐of‐flight mass spectrometry	9
Modification and validation of the simultaneous detection of 38 pesticide residues method by ultra‐high‐performance liquid chromatography/tandem mass spectrometry with QuEChERS extraction in different	9
An extensive screening method for the identification and quantitation of ecdysteroids in equine urine and plasma using liquid chromatography coupled with mass spectrometry	9
Ecological Insights Into the Extinct Korean Sea Lion ( Zalophus japonicus ) in Korea Based on Stab	9
Fast pesticide analysis using low‐pressure gas chromatography paired with a triple quadrupole mass spectrometer equipped with short collision cell technology	9
Multi‐Plug Filtration Purification Combined With Gas Chromatography–Tandem Mass Spectrometry for the Detection of 107 Pesticides in Livestock and Poultry Meat	9
Development of nanomaterial enabling highly sensitive surface‐assisted laser desorption/ionization mass spectrometry peptide analysis	9
Tandem mass tagging combined with liquid chromatography–tandem mass spectrometry technique to detect protein markers in gastroesophageal junction adenocarcinoma	9
A modified laser ablation‐isotope ratio mass spectrometry method for in situ analysis of sulfur isotope composition of sulfides	9
Identification of the Chemical Constituents in Viticis Fructus From Different Regions by UPLC‐QTOF‐MS Combined With Multivariate Statistical Analyses	9
Effect of formic acid treatment on carbon and nitrogen stable isotope ratios in sperm whale teeth dentine	9
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Precision Chemotherapy: Optimizing Calibration for Rapid Determination of Blood Methotrexate by Tandem Mass Spectrometry ± Liquid Chromatography	9
No evidence for effects of mill‐grinding on δ ¹³ C, δ ¹⁵ N and δ ³⁴	9
Examination of amino acid hydrogen isotope measurements of scalp hair for region‐of‐origin studies	9
Carbon allocation in cassava is affected by water deficit and potassium application – A ¹³ C‐CO ₂	9
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A Green Analytical Method for Differentiating Fresh and Stored Green Teas via Determining Their Tricarboxylic Acid Organic Acids	8
Mathematical lipid correction of δ ¹³ C and effect of lipid extraction on δ ¹⁵ N of European eel (	8
Discovery of metabolic markers for the discrimination of Helwingia species based on bioactivity evaluation, plant metabolomics, and network pharmacology	8
Examination of electronically mismatched Diels–Alder reaction by on‐line mass spectrometry	8
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Probing for factors influencing exhaled breath drug testing in sports— Pilot studies focusing on the tested individual's tobacco smoking habit and sex	8
Colicin Immunity Proteins of Pathogenic Bacteria Detected by Antibiotic‐Induced SOS Response, Plasmid Sequencing, MALDI‐TOF‐TOF Mass Spectrometry, and Top‐Down Proteomic Analysis	8
δ ¹³ C and δ ¹⁸ O heterogeneities in carbonates: Nonlinear mixing in the application of dual‐carbo	8
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Different reactivities of H ₃ O ⁺ (H ₂ O)	8
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Glutathione conjugation of nitrogen mustards: In vitro study	8
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Comparing Dual Water Equilibration Methods for Hydrogen Stable Isotope Analysis of Plant Carbohydrates and Proteinaceous Animal Samples	8
Test method for vapor collection and ion mobility detection of explosives with low vapor pressure	8
Development of a rapid, in‐situ analysis method using sheath‐flow probe electrospray ionisation‐mass spectrometry for the direct identification of cocaine metabolites in dried blood spots	8
Almost perfect sequence modulated multiplexing ion mobility spectrometry	8
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Profiling polysorbate 80 components using comprehensive liquid chromatography–tandem mass spectrometry analysis	8
Use of group IIB metal ions as charge carriers for collision‐induced dissociation of glycopeptide and glycan	8
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Analysis of N ‐nitrosodimethylamine in metformin hydrochloride products by high‐resolution accurate mass gas chromatography mass spectrometry	7
Novel method for monitoring of carcinogenic impurity of N‐nitrosamine in nizatidine pharmaceutical products using ultra high‐pressure liquid chromatography triple quadrupole mass spectrometry	7
LC/Q‐TOF‐MS‐based structural characterization of enasidenib degradation products and establishment of a stability‐indicating assay method: Insights into chemical stability	7
Identification of the metabolite of ophiopogonanone A by liquid chromatography/quadrupole time‐of‐flight mass spectrometry	7
Establishment of a Mass Spectrometric Fingerprint of the Most Common Phytocannabinoids in Electrospray Ionization in Positive Ion Mode	7
Carbon and Nitrogen Isotopic Composition of Duplicate Diet of the Japanese	7
Discovery and Characterization of Unusual O‐Linked Glycosylation of IgG4 Antibody Using LC‐MS	7
Data‐independent acquisition combined with liquid chromatography mass spectrometry technique to detect prognostic protein markers in type I gastric neuroendocrine neoplasm	7
Improving quality control procedures for the measurement of total daily energy expenditure using the two‐point doubly labeled water method	7
Identification and Characterization of Impurities in Fipronil Insecticide by LC–MS/MS and NMR	7
Effects of ginseng on short‐chain fatty acids and intestinal microbiota in rats with spleen‐qi deficiency based on gas chromatography–mass spectrometry and 16s rRNA technology	7
Development of a high‐throughput dual‐stream liquid chromatography–tandem mass spectrometry method to screen for inhibitors of glutamate carboxypeptidase II	7
Integration of high‐resolution mass spectrometry technology with molecular network analysis and systems biology techniques to elucidate the active ingredients and mechanisms of Shiduqing capsules	7
Stable Nitrogen Isotope Analysis of Amino Acids by Orbitrap Mass Spectrometry: Application for Extraterrestrial Samples	7
Multireflecting gas chromatography‐multireflecting time‐of‐flight mass spectrometer with high dynamic range	7
Challenges in measuring nitrogen isotope signatures in inorganic nitrogen forms: An interlaboratory comparison of three common measurement approaches	7
Affordable event and monthly rain samplers: Improving isotopic datasets to understand meteorological processes	7
Two‐step particle swarm optimization algorithm for effective deconvolution and resolution enhancement of various overlapping peaks	7
Oxygen Isotope Analysis for Silicate Minerals Using a High‐Temperature Conversion/Elemental Analyzer‐Isotope Ratio Mass Spectrometer	7
Unveiling Flavonoid Reactivity: A High‐Resolution Mass Spectrometry Journey Through the Silylation of Quercetin	7
Expanding the calibration range of compound‐specific chlorine isotope analysis by the preparation of a ³⁷ Cl‐enriched tetrachloroethylene	7
C/H/O stable isotope of rape honey and its components combined with machine learning algorithms to identify geographical origin	7
Multiclass Steroid Profiling in Short‐Finned Pilot Whale Blubber Using Liquid Chromatography–Tandem Mass Spectrometry (LC‐MS/MS)	7
Optimisation of Heated Electrospray Ionisation Parameters to Minimise In‐Source Generated Impurities in the Analysis of Oligonucleotide Therapeutics	7
Review of fragmentation of synthetic single‐stranded oligonucleotides by tandem mass spectrometry from 2014 to 2022	7
New insights into pathogenesis of congenital pseudarthrosis of tibia in children using periosteum proteomics analysis	7
A new sampling method with zirconium‐loaded resin for phosphate oxygen isotope analysis in oligotrophic freshwater systems	7
Improving the routine analysis of siderite for δ ¹³ C and δ ¹⁸ O in environmental change research	7
Characterization of the fragmentation mechanisms in electrospray ionization tandem mass spectrometry of chloroquinoline derivatives with larvicidal activity against	6
Isotope effects accompanying δ ² H, δ ¹⁸ O a	6
A high‐specificity aniline‐based mass tag for aldehyde detection	6
Rapid Determination of Isotopic Purity of Stable Isotope (D, ¹⁵ N, or ¹³ C)‐Labeled Organic Compou	6
Structure–fragmentation study of pentacyclic triterpenoids using electrospray ionization quadrupole time‐of‐flight tandem mass spectrometry (ESI‐QTOFMS/MS)	6
Analysis of mutation‐originated gain‐of‐glycosylation using mass spectrometry‐based N‐glycoproteomics	6
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Resonance‐Enhanced Multiphoton Ionization Spectroscopy of Monocyclic and Polycyclic Aromatic Hydrocarbons in the Gas Phase	6
A Doped Surface Ionization Method for Ion Mobility Spectrometry	6
Spatial analysis of the ancient proteome of archeological teeth using mass spectrometry imaging	6
Identification and Characterisation of UV Inactive Acid Degradation Impurities of Rebaudioside A Using LC‐HRMS/MS, Greenness Evaluation and In Silico Toxicity Studies	6
User‐friendly relative quantification procedure for gas chromatography/mass spectrometry–based plasma metabolome analysis	6
Metabolic Profiling of Sitravatinib in Rat and Human Liver Microsomes Using LC–MS/MS and LC–Orbitrap–HRMS	6
Separation of mycolic acid isomers by cyclic ion mobility‐mass spectrometry	6
Characterization of Larvicidal Diterpene Resin Acids in Melipona quadrifasciata Geopropolis via LC	6
Proteomics analysis of an individual formalin‐fixed paraffin‐embedded tissue section using isobaric‐tag amplification	6
Quality evaluation of natural monomer flavors for Chinese tobacco industry based on dual mode combined Fourier transform ion cyclotron resonance mass spectrometry and isotopic fine structures	6
A fixed‐charge model of the N ‐protomer of 4‐aminobenzoic acid to facilitate the study of the unimolecular and bimolecular chemistry of its “neutral” car	6
An integration of UPLC‐Q‐TOF/MS and chemometrics analysis for the holistic quality evaluation of different geographical Paederia scandens	6
Sequential analysis of δ ¹⁵ N in guard hair suggests late gestation is the most critical period for muskox calf recruitment	6
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An experimental laboratory reactor for quantitative kinetic studies of disinfection byproduct formation using membrane inlet mass spectrometry	6
Comprehensive Two‐Dimensional Gas Chromatography–Mass Spectrometry for the Analysis of Atmospheric Particulate Matter	6
Analysis of fragmentation pathways of fentanyl derivatives by electrospray ionisation high‐resolution mass spectrometry	6
Covalent Organic Framework Nanofilm‐Assisted Laser Desorption Ionization Mass Spectrometry for Rapid Screening of Parabens in Personal Care Products	6
The use of pseudo‐MRM for a sensitive and selective detection and quantification of polycyclic aromatic compounds by tandem mass spectrometry	6
Deconvolution of overlapping peaks in ion mobility spectrometry based on a multiobjective dynamic teaching‐learning‐based optimization	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
Simulation study of three new quadrupole ion funnels to improve low‐mass ion transmission	6
A statistical approach to system suitability testing for mass spectrometry imaging	6
Imaging and quantification of neuropeptides in mouse pituitary tissue by atmospheric pressure matrix‐assisted laser desorption/ionization mass spectrometry	6
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Rapid identification of bear bile powder from other bile sources using chip‐based nano‐electrospray ionization tandem mass spectrometry	6
A new large‐volume equilibration method for high‐precision measurements of dissolved noble gas stable isotopes	6
The Site of Protonation Affects the Dissociation of Protonated α‐ and β‐Pinene Ions	6
Mass spectrometry based fragmentation patterns of nitrosamine compounds	5
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	5
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Editorial—In Memory of Jean‐François Muller	5
Bias estimation in the certification of steroid reference materials for carbon isotope delta measurements via elemental analyser and gas chromatography‐combustion‐isotope ratio mass spectrometry	5
From MS1 to Structure: A Van Krevelen–DBE–Aromaticity‐Based Framework for Annotating Specialized Metabolites via High‐Resolution Mass Spectrometry	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
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An Innovative Inter‐Spectral Distance‐Based Approach to Analyzing MALDI‐TOF Mass Spectra of Closely Related Microbial Species	5
Native mass spectrometry interrogation of complexes formed during targeted protein degradation	5
Mass Spectrometry Imaging in Archaeobotany: An Illustration Through Analytical Characterisation of Sesame Lignans	5
Matrix‐assisted laser desorption/ionization matrix incorporation evaluation algorithm for improved peak coverage and signal‐to‐noise ratio in mass spectrometry imaging	5
RCM protocols: improving reproducibility in the field of mass spectrometry	5
Progress of proteomics‐driven precision medicine: From a glycosylation view	5
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Blood Collection Tube has Minimal Interference on the Carbon and Nitrogen Isotope Composition of Plasma, Red Blood Cells, and Serum in Cow Blood	5
Three combustion reactions in a single elemental analysis and isotope ratio mass spectrometry acquisition as a strategy to save helium and energy	5
Testing Assumptions for Stable Isotope Analysis of Marine Mammal Dentin Growth Layer Groups	5
Advanced Computational Approaches for Multimodal Fusion in Mass Spectrometry Imaging	5
Development of a Matrix‐Assisted Laser Desorption Ionization High Resolution Mass Spectrometry Method for the Quantification of Camalexin and Scopoletin in Arabidopsis thaliana<	5
Same, but different: Variations in fragment ions among stereoisomers of a 17α‐methyl steroid in gas chromatography/electron ionization mass spectrometry	5
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Desorption electrospray ionization mass spectrometry imaging of latent fingerprints revealed by Oil Red O	5
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	5
Dissection of potential anti‐osteoporosis mechanism of isopsoralen – a quality control marker in Psoraleae Fructus – by metabolite profiling and network pharmacology	5
On‐line chloride removal from ion chromatography for trace‐level analyses of phosphite and other anions by coupled ion chromatography–inductively coupled plasma mass spectrometry	5
Revisiting In‐Gas Transformations of Quinate Conjugates Through the LC‐qTOF‐MS and Molecular Networking Topology	5
Identification and characterization of the metabolites of sinomenine using liquid chromatography combined with benchtop Orbitrap mass spectrometry and nuclear magnetic resonance spectroscopy	5
Selective molecular characterization of organic aerosols using in situ laser desorption ionization mass spectrometry	5
Method of micro‐sampling human dentine collagen for stable isotope analysis	5
Trace detection of styphnate from pre‐ and post‐blast samples by hydrophilic interaction chromatography with tandem mass spectrometry	5
Ion–shift reagent binding energy and the mass–mobility shift correlation in ion mobility spectrometry	5
Molecular Organ Lysate Imprinting: For Precision Recognition and Analysis of Organ‐Derived Proteins	5
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Metabolomics Analysis Using Chromatography–Mass Spectrometry to Investigate the Mechanism of Cyclosporine in the Treatment of Aplastic Anemia	5
Single‐filament imaging mass spectrometry lipidomics in Arthrospira platensis	5
Study of protonated dimers of cytosine, cytidine, and deoxycytidine using survival yield method and quantum mechanics calculations	5
Measurement of tigecycline in dried blood spots by LC–MS/MS and comparison tigecycline concentrations between whole blood and plasma	4
Intercomparison study of fragmentation pathways and fragment ion structures for screening of illegal drugs and their novel analogues used to adulterate dietary supplements using liquid chromatography/	4
Development and validation of an ultrafast method of quantification of rivaroxaban in human serum using laser diode thermal desorption coupled to triple quadrupole mass spectrometry	4
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Determination of 115 Pesticide Residues in Textiles by Liquid Chromatography–Tandem Mass Spectrometry	4
Direct Identification and Quantification of Flavonoids and Their Structural Isomers Using Ambient Ionization Tandem Mass Spectrometry	4
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Infrared pulsed fiber laser‐produced gold and silver‐109 nanoparticles for laser desorption/ionization mass spectrometry of steroid hormones	4
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High‐resolution accurate mass approach to characterization of SCO‐267 metabolites using liquid chromatography hybrid quadrupole Orbitrap mass spectrometry	4
Combining the ¹⁵ N Gas Flux Method and N ₂ O Isotopocule Data for the Determination of Soil Microb	4
Mass spectrometric characterization of aminophospholipids containing N ‐(2‐hydroxyethyl)glycine in kombu algae extracts	4
Evaluating the optimal tissue thickness for mass spectrometry imaging using infrared matrix‐assisted laser desorption electrospray ionization	4
Full collision energy ramp‐MS ² spectral features of natural esters: Salvianolic acid A as a case	4
Gas‐phase ion mobility of protonated aldehydes in helium measured using a selected ion flow‐drift tube	4
Identifying drug targets with thermal proteome profiling using IBT‐16plex	4
Determination of nut varieties and their detection in festive cookies by MALDI‐TOF mass spectrometry	4
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Clumped isotope analysis of (bio)apatite using a Kiel IV device in long‐integration dual‐inlet mode	4
Matrix‐independent boron isotope analysis of silicate and carbonate reference materials by ultraviolet femtosecond laser ablation multi‐collector inductively coupled plasma mass spectrometry with appl	4
Identification and quantification of both isomers of hexahydrocannabinol, (9 R )‐hexahydrocannabinol and (9 S	4
Fentanyl and Fentanyl Analog Screening Using ASAP‐MS With LiveID Confirmation	4
Structural confirmation of position isomers 2‐(2‐methylaminoprolyl)benzofuran and 5‐(2‐methylaminopropyl)benzofuran: a combined mass spectrometric and computational study	4
A rapid method for the determination of stable hydrogen isotope ratios of acetic acid in vinegar	4
A high‐throughput LC–MS/MS method for simultaneous determination of isoniazid, ethambutol and pyrazinamide in human plasma	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
MALDI versus DESI mass spectrometry imaging of lipids in atherosclerotic plaque	4
Direct Metabolic Profiling of Biofluids via Wimshurst Machine–Nanoelectrospray Ionization Mass Spectrometry	4
Isotope analysis of human dental calculus δ ¹³ CO ₃ ²⁻ : Investigat	4
Thin‐section‐ and matrix‐free mass spectrometry imaging: Reproducible sample transfer using novel platinum‐coated porous plate formed of glass beads	4
Tracing Migration Routes of Sepia esculenta in the East China Sea Using ICP‐MS and ICP‐OES Analysi	4
Collision cross‐section measurements of small molecules via transient decay profiles observed in Orbitrap mass analyzers	4
Kinetics of reactions of NH ₄ ⁺ with some biogenic organic molecules and monoterpenes in helium and nitrogen carrier g	4
Identification of lignans and quality assessment in Dendrobium officinale under different cultivation modes	4
New type of filaments for improved accuracy of multiple sulfur isotope analyses by electron‐impact gas‐source mass spectrometry	4
Matrix‐assisted laser desorption/ionization mass spectrometry imaging sample preparation using wet‐interface matrix deposition for lipid analysis	4
Structural elucidation of 14‐membered ring macrolide antibiotics using electrospray ionization tandem mass spectrometry and density functional theory calculations	4
Suzetrigine in Equestrian Sports: Optimized Extraction and LC‐HRMS Detection Strategies	4
Serum and urine metabolomics analyses reveal metabolic pathways and biomarkers in relation to nasopharyngeal carcinoma	4
Separation and characterization of the polymerized impurities in oxacillin sodium by 2D HPSEC and HPLC IT‐TOF MS	4
Peak structure with a quadrupole mass filter operated in the first stability region	4
Development of a new SPE UPLC–MS/MS method for extraction and quantitation of toluene diamine on gloves following toluene diisocyanate exposure	4
Comparison of δ ¹³ C analyses of individual foraminifer ( Orbulina universa	4
Ultra‐low current electrospray ionization of chloroform solution for the analysis of perfluorinated sulfonic acids	4
Dissection of the antitumor mechanism of tetrandrine based on metabolite profiling and network pharmacology	4
A fast method for the determination of personal care product chemicals in human urine using dispersive liquid–liquid extraction and ultra high‐performance liquid chromatography–tandem mass spectrometr	4
Rapid, sensitive analysis method for determining the nitrogen stable isotope ratio of total free amino acids in soil	4
Method of Confirmation and Predictive Metabolomics: A Novel Multidimensional Analytical Framework for Characterizing New Psychoactive Substances	4
Reference‐free thio‐succinimide isomerization characterization by electron‐activated dissociation	4
Rapid and simple identification of trace amounts of sodium azide in beverages and bodily fluids followed by derivatization and liquid chromatography–electrospray ionization tandem mass spectrometry	4
On‐column trace‐level formation of N ‐nitrosamine in a liquid chromatography–mass spectrometry analytical system	4
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Chemical analysis of additives included in fully formulated oils using high‐performance liquid chromatography–tandem mass spectrometry	4
Phytochemical Analysis of Semen Hoveniae and Its Potential Mechanism Against Alcoholic Liver Disease via an Integrated Approach Combining UHPLC‐Q‐TOF MS, Network Pharmacology, and Molecular Docking	4
Qualitative and quantitative characterization of elastin‐like polypeptides combining low‐PH/low‐temperature bottom‐up and intact protein liquid chromatography mass spectrometric analysis	4
Identification and characterization of alkaline hydrolytic degradation products of ivacaftor by UPLC‐PDA and UPLC‐ESI‐QTOF‐MS techniques	4
Pharmacodynamic and Metabolomic Mechanism of Shexiang Baoxin Pill Based on db/db Mice on Treating Type 2 Diabetes Mellitus	4
Micro‐punches versus micro‐slices for serial sampling of human dentine: Striking a balance between improved temporal resolution and measuring additional isotope systems	4
Effect of Diet and Metamorphosis on the Stable Isotopes of Ectropis grisescens (Lepidoptera: Geometridae)	4
Discovery proteomics of human placental tissue	4
Advancing structural elucidation of conjugation drug metabolites in metabolite profiling with novel electron‐activated dissociation	4
Characteristics of ionization behaviors of aminonitrotoluene isomers produced by atmospheric pressure chemical ionization	4
Lipid A double bond position determination using ozone and laser‐induced dissociation	4