OOIR: Observatory of International Research

Papers

(The H4-Index of Journal of Chromatography A is 38. 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 2022-06-01 to 2026-06-01.)

Article	Citations
Pseudophase-to-solvent microextraction for in-line sample concentration of anionic analytes in capillary zone electrophoresis	219
Editorial Board	102
Editorial Board	91
Editorial Board	86
Chromatography-like propagation of water along raw material bed in supercritical fluid extraction	71
Changes in the cis-trans isomer selectivity of a reversed-phase liquid chromatography column during use with acidic mobile phase conditions	61
Chemical isotope labeling assisted liquid chromatography-mass spectrometry method for simultaneous analysis of central carbon metabolism intermediates	61
The use of multiple liquid chromatography methods augmented by phosphorus-31 nuclear magnetic resonance to characterize the diastereomer composition in synthetic oligonucleotides	61
Analysis of chemical constituents of Sabia parviflora by ultrahigh performance liquid chromatography quadrupole time of flight tandem mass spectrometry	60
Structural characterization of mushroom polysaccharides by cyclic ion mobility-mass spectrometry	60
Exploring the utility of complementary separations in liquid chromatography	59
Tandem high resolution mass spectrometry based phytochemical composition of Sauromatum guttatum tubers and its enzyme inhibitory potential with molecular docking	59
Simultaneous determination of quaternary phosphonium compounds and phosphine oxides in environmental water and solid samples by ultrahigh performance liquid chromatography–tandem mass spectrometry	51
Untargeted region of interest selection for gas chromatography – mass spectrometry data using a pseudo F-ratio moving window	50
Enantiomer fraction evaluation of the four stereoisomers of second-generation anticoagulant rodenticides in biological matrices with polysaccharide-based chiral selectors and liquid chromatography tan	47
Use graphene coated silica core shell particles to provide rapid, precise, and equivalent chemical composition distribution analysis for polyolefin materials by high temperature thermal gradient inter	47
Resin structure impacts two-component protein adsorption and separation in anion exchange chromatography	47
A green and rapid analytical method for determination of kitasamycin in animal feedstuffs by ultra-high performance liquid chromatography tandem mass spectrometry	46
Accurate quantification of quinolones in marine sediment by UPLC-MS/MS after ultrasonic extraction and automated SPE clean-up	45
Impregnation of preparative high‐performance solid phase extraction chromatography columns by organophosphorus acid compounds	45
Magnetic multi-enzyme cascade combined with liquid chromatography tandem mass spectrometry for fast DNA digestion and quantitative analysis of 5-hydroxymethylcytosine in genome of human bladder cancer	45
Impurity profiling of synthetic cyclic peptides based on orthogonality between hydrophilic-interaction and reversed-phase liquid chromatography	44
Evaluation of analytical columns suitable for high-temperature liquid-chromatography-isotope-ratio-mass-spectrometry analysis of anabolic steroids	44
Integrative lipidomics profiles and explainable machine learning for species-specific identification of meat and bone meal	44
Comparison of olefin/paraffin separation by ionic liquid and polymeric ionic liquid stationary phases containing silver(I) ion using one-dimensional and multidimensional gas chromatography	43

Combined chiral–achiral supercritical fluid chromatography method for the impurity analysis of dapoxetine reveals insights in entropy-driven retention and acid-modulated selectivity	42
A portable liquid chromatography system based on a separation/detection chip module consisting of a replaceable ultraviolet-visible absorbance or contactless conductivity detection unit	42
Determination of lipophilic marine biotoxins (azaspiracids, brevetoxins, and okadaic acid group) and domoic acid in mussels by solid-phase extraction and reversed-phase liquid chromatography with tand	41
Advances on cyclodextrin-based supramolecular imprinted polymers and their extraction applications	41
Fabrication of porous cobalt oxide/carbon nanopolks on electrospun hollow carbon nanofibers for microextraction by packed sorbent of parabens from human blood	41
Relation between characteristic temperature and elution temperature in temperature programmed gas chromatography - part I: Influence of initial temperature and heating rate	40
Supercritical fluid CO2 extraction followed by polystyrene/divinylbenzene stationary phase complementary supercritical fluid chromatography and reversed-phase liquid chromatography separation of unsat	39
Fast and efficient size exclusion chromatography of adeno associated viral vectors with 2.5 micrometer particle low adsorption columns	39
Applications of two-dimensional ion chromatography for analytes determination in environmental matrix: A review	39
Fabrication of fluorinated triazine-based covalent organic frameworks for selective extraction of fluoroquinolone in milk	39
Development and performance optimization of a portable Gas Chromatography - Photoionization Detection system for trace electrolyte leakage detection in lithium batteries	39
Sweeping-micellar electrokinetic chromatography with tandem mass spectrometry as an alternative methodology to determine neonicotinoid and boscalid residues in pollen and honeybee samples	39
Needle extraction device for rapid and quantitative gas chromatographic determination of volatile chlorinated hydrocarbons and benzene in soil	38