OOIR: Observatory of International Research

Papers

(The H4-Index of Journal of Chromatography A is 37. 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 2022-05-01 to 2026-05-01.)

Article	Citations
Pseudophase-to-solvent microextraction for in-line sample concentration of anionic analytes in capillary zone electrophoresis	211
Editorial Board	102
Editorial Board	89
Editorial Board	86
Chromatography-like propagation of water along raw material bed in supercritical fluid extraction	70
Chemical isotope labeling assisted liquid chromatography-mass spectrometry method for simultaneous analysis of central carbon metabolism intermediates	61
Changes in the cis-trans isomer selectivity of a reversed-phase liquid chromatography column during use with acidic mobile phase conditions	60
High-performance liquid chromatographic enantioseparation of azole analogs of monoterpene lactones and amides focusing on the separation characteristics of polysaccharide-based chiral stationary phase	60
The use of multiple liquid chromatography methods augmented by phosphorus-31 nuclear magnetic resonance to characterize the diastereomer composition in synthetic oligonucleotides	59
Preparation and application of polystyrene-divinylbenzene sorbent with weak cation-exchange character for the selective extraction of illicit drugs in environmental water	59
Structural characterization of mushroom polysaccharides by cyclic ion mobility-mass spectrometry	57
Comprehensive IC-ICP-MS analysis of polyphosphonates and their transformation products	57
An active derivatization detection method for inline monitoring the isolation of carbohydrates by preparative liquid chromatography	50
Purification of monoclonal antibodies using novel 3D printed ordered stationary phases	50
Tandem high resolution mass spectrometry based phytochemical composition of Sauromatum guttatum tubers and its enzyme inhibitory potential with molecular docking	47
Analysis of chemical constituents of Sabia parviflora by ultrahigh performance liquid chromatography quadrupole time of flight tandem mass spectrometry	47
Exploring the utility of complementary separations in liquid chromatography	46
Simultaneous determination of quaternary phosphonium compounds and phosphine oxides in environmental water and solid samples by ultrahigh performance liquid chromatography–tandem mass spectrometry	46
Simultaneous solvent extraction and quantification of eleven amine compounds related to Chemical Weapon Convention in soils via hydrophilic interaction liquid chromatography-tandem mass spectrometry	45
Untargeted region of interest selection for gas chromatography – mass spectrometry data using a pseudo F-ratio moving window	43
Systematic analysis of post-blast organic traces in soil, application of color tests, TLC, GC–MS, and ITMS	43
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	42
Stream broadening in free flow affinity electrophoresis	42
Recent progress in high-performance sample preparation strategies	42
Resin structure impacts two-component protein adsorption and separation in anion exchange chromatography	41

A green and rapid analytical method for determination of kitasamycin in animal feedstuffs by ultra-high performance liquid chromatography tandem mass spectrometry	41
Enantiomer fraction evaluation of the four stereoisomers of second-generation anticoagulant rodenticides in biological matrices with polysaccharide-based chiral selectors and liquid chromatography tan	41
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	40
Accurate quantification of quinolones in marine sediment by UPLC-MS/MS after ultrasonic extraction and automated SPE clean-up	40
A portable liquid chromatography system based on a separation/detection chip module consisting of a replaceable ultraviolet-visible absorbance or contactless conductivity detection unit	39
Evaluation of analytical columns suitable for high-temperature liquid-chromatography-isotope-ratio-mass-spectrometry analysis of anabolic steroids	39
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	39
Integrative lipidomics profiles and explainable machine learning for species-specific identification of meat and bone meal	39
Impurity profiling of synthetic cyclic peptides based on orthogonality between hydrophilic-interaction and reversed-phase liquid chromatography	39
Impregnation of preparative high‐performance solid phase extraction chromatography columns by organophosphorus acid compounds	39
Advances on cyclodextrin-based supramolecular imprinted polymers and their extraction applications	38
Combined chiral–achiral supercritical fluid chromatography method for the impurity analysis of dapoxetine reveals insights in entropy-driven retention and acid-modulated selectivity	38
A new chromatographic response function with automatically adapting weight factor for automated method development	37