OOIR: Observatory of International Research

Papers

(The TQCC of Journal of 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 2021-06-01 to 2025-06-01.)

Article	Citations
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Fragmentation efficiency of phenethylamines in electrospray ionization source estimated by theoretical chemistry calculation	16
Identification of Mitapivat's In Vivo Metabolites in the Rat Model by Quadrupole‐Time‐of‐Flight (Q‐TOF) Mass Spectrometry	16
Modelling some rod set imperfections of a quadrupole mass filter	14
Metabolism of Du Zhong Formula in rats using UPLC‐Q‐TOF/MS	14
LC–MS/MS analysis of coccidiostats in meat supply chain safety	13
Dissociation Chemistry of Protonated α‐, β‐ and Other Amino Acids Using Multiple Stage Tandem Mass Spectrometry	13
Intercropping with maize and sorghum‐induced saikosaponin accumulation in Bupleurum chinense DC. by liquid chromatography‐mass spectrometry‐based metabolomics	13
Clinical glycoprotein mass spectrometry: The future of disease detection and monitoring	12
Issue Information	12
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Exploring and modeling the ion mobility spectrometry of perindopril: Example of protonation‐dissociation reactions in large molecules	11
Pharmacokinetic Analysis of Gatifloxacin and Dexamethasone in Rabbit Ocular Biofluid Using a Sensitive and Selective LC–MS/MS Method	11
The influence of matrix concentration and solvent composition on the results of MALDI MSI, with the aid of wet‐interface matrix deposition	11
SMART: A data reporting standard for mass spectrometry imaging	11
On‐tissue chemical derivatization reagents for matrix‐assisted laser desorption/ionization mass spectrometry imaging	10
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Discerning the stability behaviour of mavacamten availing liquid chromatography‐mass spectrometry and nuclear magnetic resonance spectroscopy: In silico toxicity and mutagenicity prediction of	10
Authenticity study of commercial samples of St. John's wort by paper spray ionization mass spectrometry and chemometric tools	10
Fast saliva analysis by GC–MS with Cold EI and Open Probe Fast GC–MS with Cold EI for the detection of cannabis usage	10
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Correction to “On the importance of color in mass spectrometry imaging”	9
Probing the pyrolysis of methyl formate in the dilute gas phase by synchrotron radiation and theory	8

New bioactive compounds characterized by liquid chromatography–mass spectrometry and gas chromatography–mass spectrometry in hydro‐methanol and petroleum ether extracts of Prosopis farcta<	8
Neutral loss scan in complement with high‐resolution MS/MS: Combination of detection methods for flavonoid and limonoid glycosides analysis	8
Dear friends and colleagues	8
Analyzing noncovalent interactions between notoginseng saponins and lysozyme by deposition scanning intensity fading MALDI‐TOF mass spectrometry	8
Quantitative mass spectrometry imaging (qMSI): A tutorial	8
q value and parent energy optimization using a low‐voltage ionization approach increases resolution in linear ion trap mass spectrometry	8
Quantitative analysis of phthalates using a pyrolyzer gas chromatography/mass spectrometry method	8
Gas‐phase fragmentation reactions of a₇ ions containing a glutamine residue	8
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Determination of the Metabolic Mechanism of the Principal Components From Moringa oleifera (Lam) Seed by MALDI‐IMS	7
In‐Electrospray source Hydrogen/Deuterium exchange coupled to multistage fragmentation for the investigation of the protonation and fragmentation pathways of gas phase ions	7
Sodiation of Enhanced Green Fluorescent Protein (EGFP) in Basic Solution Studied by Electrospray Mass Spectrometry	7
Quantitative mass spectrometry imaging (qMSI): A tutorial By Russell R. Kibbe and David C. Muddiman	7
Multi‐Omic Evaluation of PLK1 Inhibitor—Onvansertib—In Colorectal Cancer Spheroids	6
The path forward for protein footprinting, covalent labeling, and mass spectrometry‐based protein conformational analyses	6
Tentative identification of phytochelatins, their derivatives, and Cd‐phytochelatin complexes in Ocimum basilicum L. roots by Paper Spray Mass Spectrometry	6
Development of electrostatic‐induced charge detector for multiturn time‐of‐flight mass spectrometer By Ken‐ichi Bajo, Jun Aoki, Morio Ishihara, Shizuho Furuya, Masahiro Nishimura, Miwa Yoshitake and H	6
Rapid and simultaneous determination of curcuminoids and gingerols in food products containing turmeric and ginger using paper spray mass spectrometry	6
Hardware and software solutions for implementing nanospray desorption electrospray ionization (nano‐DESI) sources on commercial mass spectrometers	6
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Experimental techniques and terminology in gas‐phase ion spectroscopy By Aleksandr Y. Pereverzev and Jana Roithová	5
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What a difference a chlorine makes: The remarkable unimolecular ion chemistry of phenyl formate and phenyl chloroformate	5
Correction to “Time of acquisition and high spatial resolution mass spectrometry imaging”	5
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Studies of pure and nitrogen gas mixed xenon ECR plasma: Signature of abundance dependent unusual trends in isotope anomaly	5
Probing the pyrolysis of ethyl formate in the dilute gas phase by synchrotron radiation and theory	5
Design considerations for a cycloidal mass analyzer using a focal plane array detector	5
Direct sub‐atmospheric pressure ionization mass spectrometry: Evaporation/sublimation‐driven ionization is amazing, fundamentally, and practically	5
Issue Information	5
Whole blood analysis for medical diagnostics by GC‐MS with Cold EI By Benny Neumark, Oneg Elkabets, Gabi Shefer, Assaf Buch, Naftali Stern and Aviv Amirav	5
From electrospray ionization to cold‐spray ionization: How to evaluate the cooling effect on the gaseous ions?	5
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A precise self‐built secondary mass database for identifying red dyes and dyeing techniques with UPLC‐MS/MS	5
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Application of 7N In as secondary cathode for the direct current‐glow discharge mass spectrometry analysis of solid, fused high‐purity quartz	5
Experimental techniques and terminology in gas‐phase ion spectroscopy	5
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On the relationships between resolution, dimensionless stability, pseudopotential well depth, acceptance, and transmission in mass filters	5
Ion mobility–tandem mass spectrometry of bulky tert‐butyl thiol ligated gold nanoparticles	5
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An analytical approach for on‐site analysis of breath samples for Δ9‐tetrahydrocannabinol (THC)	5
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Unbiased and biased chemometric analysis of LC‐MS data from human urine following coffee intake	5
Characteristic response of formulation ingredients revealed by ultra high performance liquid chromatography‐electrospray ionization‐high resolution mass spectrometry‐based untargeted screening of pest	4

Ready Biodegradability study and insights with ultra‐high‐performance liquid chromatograph coupled to a quadrupole time of flight of a Metformin‐based drug and of Metarecod, a natural substance‐based	4
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Optimization of reversed‐phase solid‐phase extraction for shotgun proteomics analysis By Fanni Bugyi, Lilla Turiák, László Drahos and Gábor Tóth	4
Comprehensive investigation on metabolites of Panax quinquefolium L. in two main producing areas of China based on ultra‐high‐performance liquid chromatography‐quadrupole time‐of‐flight mass sp	4
Experimental and theoretical study on the photoionization of styrene	4
Development of a cyclic ion mobility spectrometry‐mass spectrometry‐based collision cross‐section database of permethylated human milk oligosaccharides	4
Discriminating alkylbenzene isomers with tandem mass spectrometry using a dielectric barrier discharge ionization source	4
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Ultra‐High Performance Liquid Chromatography–Tandem Mass Spectrometry Method Development and Validation to Quantify Simultaneously Six Urinary DIALKYL Phosphate Metabolites of Organophosphorus Pestici	4
Glycomics by ion mobility tandem mass spectrometry of chondroitin sulfate disaccharide domain in biglycan	4
Handling considerations for the mass spectrometry of reactive organometallic compounds	4
Proceedings of the 39th Informal Meeting on Mass Spectrometry	4
Issue Information	4
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Advancing Native Mass Spectrometry Toward Cellular Biology	3
A robust method for simultaneous measurement of serum 25(OH)D, 1,25(OH)₂D, and 24,25(OH)₂D by liquid chromatography‐tandem mass spectrometry with efficient separation of 3‐epi an	3
A comprehensive gas chromatography electron ionization high resolution mass spectrometry study of a new steroidal selective androgen receptor modulator (SARM) compound S42	3
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Antioxidant capacity and fragmentation features of C‐glycoside isoflavones by high‐resolution electrospray ionization tandem mass spectrometry using collision‐induced and high‐energy collisiona	3
A Top Solvent‐Additive‐Ionization Technique Combination for Pesticides Direct Infusion MS Analysis	3
Ionization behaviors of nitrotoluenes and dinitrotoluenes by reactions with acetone‐related reactant ion	3
Mass spectrometry‐based gas phase intramolecular benzyl migration in sparsentan, a novel endothelin and angiotensin II receptor antagonist	3
Sulfuric/Sulfurous Acids Induce Self‐Protection of Phospholipids Against Air–Water Interfacial Ozonolysis	3
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Absolute Quantification of Glutathione Using Top‐Hat Optics for IR‐MALDESI Mass Spectrometry Imaging	3
Tracking the disulfide rearrangement of heated lactoglobulin by matrix‐assisted laser desorption/ionization‐in‐source decay top‐down analysis	3
Overcoming Analytical Challenges in Proximity Labeling Proteomics	3
One‐step functionalization of paper and simplified antibody immobilization for on‐the‐spot immunocapture from dried serum in liquid chromatography‐tandem mass spectrometry based targeted protein deter	3
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Fragmentation behavior of EDTA complexes under different activation conditions	3
Issue Information	3
“Touch&Play” Wood Typification by the MasSpec Pen	3
Complex formation of lactic acid by atmospheric pressure chemical ionization	3
Microanalysis using secondary ion emission	3
B₄C‐Assisted Paper Spray Ionization Mass Spectrometry	3
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In Vitro and In Vivo Assessment of Antidiabetic Activity of Cupressus torulosa D. Don Needles, Their LCQTOFMS Assisted Metabolite Profiling, and Implications for Diabetes Management	3
Quantitative proteomics I.: Concept, design, and planning of quantitative proteomics experiments	3
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Identification of Botanicals Based on Their Mass Spectrum Fingerprints Using Ultra‐Performance Liquid Chromatography‐Mass Spectrometry	3
EDTA‐Assisted MPT‐MS for Trace Analysis of Heavy Metals in Fireworks	3
Simplified processing and rapid quantification of buprenorphine, norbuprenorphine, and their conjugated metabolites in human plasma using UPLC–MS/MS: Assessment of buprenorphine exposure during opioid	3
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Design of experiment‐based LC‐MS/MS method development for simultaneous estimation of nateglinide and metformin hydrochloride in rat plasma	3
Nontargeted mass spectrometry of dried blood spots for interrogation of the human circulating metabolome	3
Qualitative and Comparative Analysis of Chemical Constituents in Epimedii Folium From Four Species Based on UPLC‐ZenoTOF‐MS/MS	3
Removal of isobaric interference using pseudo‐multiple reaction monitoring and energy‐resolved mass spectrometry for the isotope dilution quantification of a tryptic peptide	3