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 2021-08-01 to 2025-08-01.)

Article	Citations
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Clinical glycoprotein mass spectrometry: The future of disease detection and monitoring	16
Dissociation Chemistry of Protonated α‐, β‐ and Other Amino Acids Using Multiple Stage Tandem Mass Spectrometry	15
Metabolism of Du Zhong Formula in rats using UPLC‐Q‐TOF/MS	15
LC–MS/MS analysis of coccidiostats in meat supply chain safety	14
Fragmentation efficiency of phenethylamines in electrospray ionization source estimated by theoretical chemistry calculation	14
Intercropping with maize and sorghum‐induced saikosaponin accumulation in Bupleurum chinense DC. by liquid chromatography‐mass spectrometry‐based metabolomics	13
Identification of Mitapivat's In Vivo Metabolites in the Rat Model by Quadrupole‐Time‐of‐Flight (Q‐TOF) Mass Spectrometry	13
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Modelling some rod set imperfections of a quadrupole mass filter	13
Issue Information	13
Authenticity study of commercial samples of St. John's wort by paper spray ionization mass spectrometry and chemometric tools	12
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
Discerning the stability behaviour of mavacamten availing liquid chromatography‐mass spectrometry and nuclear magnetic resonance spectroscopy: In silico toxicity and mutagenicity prediction of	11
Exploring and modeling the ion mobility spectrometry of perindopril: Example of protonation‐dissociation reactions in large molecules	11
Fast saliva analysis by GC–MS with Cold EI and Open Probe Fast GC–MS with Cold EI for the detection of cannabis usage	11
SMART: A data reporting standard for mass spectrometry imaging	10
Neutral loss scan in complement with high‐resolution MS/MS: Combination of detection methods for flavonoid and limonoid glycosides analysis	10
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Dear friends and colleagues	10
Correction to “On the importance of color in mass spectrometry imaging”	9
New bioactive compounds characterized by liquid chromatography–mass spectrometry and gas chromatography–mass spectrometry in hydro‐methanol and petroleum ether extracts of Prosopis farcta<	9

Sodiation of Enhanced Green Fluorescent Protein (EGFP) in Basic Solution Studied by Electrospray Mass Spectrometry	8
Quantitative analysis of phthalates using a pyrolyzer gas chromatography/mass spectrometry method	8
Probing the pyrolysis of methyl formate in the dilute gas phase by synchrotron radiation and theory	8
Analyzing noncovalent interactions between notoginseng saponins and lysozyme by deposition scanning intensity fading MALDI‐TOF mass spectrometry	8
Cover Picture	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
The path forward for protein footprinting, covalent labeling, and mass spectrometry‐based protein conformational analyses	7
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Determination of the Metabolic Mechanism of the Principal Components From Moringa oleifera (Lam) Seed by MALDI‐IMS	7
Hardware and software solutions for implementing nanospray desorption electrospray ionization (nano‐DESI) sources on commercial mass spectrometers	7
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Rapid and simultaneous determination of curcuminoids and gingerols in food products containing turmeric and ginger using paper spray mass spectrometry	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
Cover Picture	7
Quantitative mass spectrometry imaging (qMSI): A tutorial By Russell R. Kibbe and David C. Muddiman	7
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Tentative identification of phytochelatins, their derivatives, and Cd‐phytochelatin complexes in Ocimum basilicum L. roots by Paper Spray Mass Spectrometry	6
Issue Information	6
Cover Picture	6
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	6
Experimental techniques and terminology in gas‐phase ion spectroscopy	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
Multi‐Omic Evaluation of PLK1 Inhibitor—Onvansertib—In Colorectal Cancer Spheroids	6
Experimental techniques and terminology in gas‐phase ion spectroscopy By Aleksandr Y. Pereverzev and Jana Roithová	6
Design considerations for a cycloidal mass analyzer using a focal plane array detector	6
What a difference a chlorine makes: The remarkable unimolecular ion chemistry of phenyl formate and phenyl chloroformate	5
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From electrospray ionization to cold‐spray ionization: How to evaluate the cooling effect on the gaseous ions?	5
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Glycomics by ion mobility tandem mass spectrometry of chondroitin sulfate disaccharide domain in biglycan	5
An analytical approach for on‐site analysis of breath samples for Δ9‐tetrahydrocannabinol (THC)	5
A precise self‐built secondary mass database for identifying red dyes and dyeing techniques with UPLC‐MS/MS	5
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Direct sub‐atmospheric pressure ionization mass spectrometry: Evaporation/sublimation‐driven ionization is amazing, fundamentally, and practically	5
Ion mobility–tandem mass spectrometry of bulky tert‐butyl thiol ligated gold nanoparticles	5
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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	5
Correction to “Time of acquisition and high spatial resolution mass spectrometry imaging”	5
Studies of pure and nitrogen gas mixed xenon ECR plasma: Signature of abundance dependent unusual trends in isotope anomaly	5
Unbiased and biased chemometric analysis of LC‐MS data from human urine following coffee intake	5
Cover Picture	5
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Discriminating alkylbenzene isomers with tandem mass spectrometry using a dielectric barrier discharge ionization source	5
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	5
Probing the pyrolysis of ethyl formate in the dilute gas phase by synchrotron radiation and theory	5
On the relationships between resolution, dimensionless stability, pseudopotential well depth, acceptance, and transmission in mass filters	5
Cover Picture	4
Development of a cyclic ion mobility spectrometry‐mass spectrometry‐based collision cross‐section database of permethylated human milk oligosaccharides	4

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	4
Tracking the disulfide rearrangement of heated lactoglobulin by matrix‐assisted laser desorption/ionization‐in‐source decay top‐down analysis	4
Issue Information	4
Identification of Botanicals Based on Their Mass Spectrum Fingerprints Using Ultra‐Performance Liquid Chromatography‐Mass Spectrometry	4
Cover Picture	4
Characteristic response of formulation ingredients revealed by ultra high performance liquid chromatography‐electrospray ionization‐high resolution mass spectrometry‐based untargeted screening of pest	4
Ultra‐High Performance Liquid Chromatography–Tandem Mass Spectrometry Method Development and Validation to Quantify Simultaneously Six Urinary DIALKYL Phosphate Metabolites of Organophosphorus Pestici	4
A comprehensive gas chromatography electron ionization high resolution mass spectrometry study of a new steroidal selective androgen receptor modulator (SARM) compound S42	4
Proceedings of the 39th Informal Meeting on Mass Spectrometry	4
Absolute Quantification of Glutathione Using Top‐Hat Optics for IR‐MALDESI Mass Spectrometry Imaging	4
Optimization of reversed‐phase solid‐phase extraction for shotgun proteomics analysis By Fanni Bugyi, Lilla Turiák, László Drahos and Gábor Tóth	4
Handling considerations for the mass spectrometry of reactive organometallic compounds	4
Experimental and theoretical study on the photoionization of styrene	4
Development and Validation of an UPLC‐MS/MS Method for Simultaneous Quantification of Bisoprolol and Hydrochlorothiazide in Human Plasma	4
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Quantitative proteomics I.: Concept, design, and planning of quantitative proteomics experiments	4
Advancing Native Mass Spectrometry Toward Cellular Biology	4
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	4
Issue Information	3
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
Complex formation of lactic acid by atmospheric pressure chemical ionization	3
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Removal of isobaric interference using pseudo‐multiple reaction monitoring and energy‐resolved mass spectrometry for the isotope dilution quantification of a tryptic peptide	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
“Touch&Play” Wood Typification by the MasSpec Pen	3
Imaging with mass spectrometry: Which ionization technique is best? By Boone M. Prentice	3
Interactions of CyMe₄‐BTBP ligand with lanthanides and actinides: Insights from ESI‐MS and DFT calculations	3
EDTA‐Assisted MPT‐MS for Trace Analysis of Heavy Metals in Fireworks	3
Cover Image	3
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Qualitative and Comparative Analysis of Chemical Constituents in Epimedii Folium From Four Species Based on UPLC‐ZenoTOF‐MS/MS	3
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Overcoming Analytical Challenges in Proximity Labeling Proteomics	3
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Metabolomic fingerprint of Hamamelis virginiana L. gallotannins by suspect screening analysis with UHPLC‐qToF and their semiquantitative evaluation	3
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Microanalysis using secondary ion emission	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
Design of experiment‐based LC‐MS/MS method development for simultaneous estimation of nateglinide and metformin hydrochloride in rat plasma	3
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B₄C‐Assisted Paper Spray Ionization Mass Spectrometry	3
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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
Ionization behaviors of nitrotoluenes and dinitrotoluenes by reactions with acetone‐related reactant ion	3
Where You Protonate Matters: Deciphering the Unimolecular Chemistry of Protonated Myrcene and Linalool	3
A Top Solvent‐Additive‐Ionization Technique Combination for Pesticides Direct Infusion MS Analysis	3