OOIR: Observatory of International Research

Papers

(The H4-Index of Journal of Separation Science is 27. 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 2021-09-01 to 2025-09-01.)

Article	Citations
	102
Polydimethylsiloxane/graphene oxide/β‐cyclodextrin sponge as a solid‐phase extraction sorbent coupled with gas chromatography‐mass spectrometry for rapid adsorption and sensitive determination	89
Content: J. Sep. Science 21'22	89
	88
A novel sensitive analytical method for the simultaneous analysis of vancomycin and teicoplanin in human urine via single high‐performance liquid chromatography coupled with photodiode array and mass	85
Facile synthesis of a novel magnetic covalent organic frameworks for extraction and determination of five fungicides in Chinese herbal medicines	62
Development of a multivariate model with desirability‐based optimization for determination of atenolol and hydrochlorothiazide by eco‐friendly HPLC method with fluorescence detection	53
Enhanced capillary zone electrophoresis in cyclic olefin copolymer microchannels using the combination of dynamic and static coatings for rapid analysis of carnosine and niacinamide in cosmetics	52
Liquid extraction surface analysis‐mass spectrometry: An advanced and environment‐friendly analytical tool in modern analysis	49
Magnetic phenolic resin core‐shell structure derived carbon microspheres for ultrafast magnetic solid‐phase extraction of triazine herbicides	47
A rapid and environmentally friendly method for determination of parabens preservatives in flavors by supercritical fluid chromatography‐tandem mass spectrometry	43
Supercritical fluid chromatography for the analysis of natural dyes: From carotenoids to flavonoids	42
Isolating and Purification Technologies for Glycyrrhizic Acid	42
Comprehensive pseudotargeted metabolomics analysis based on two‐phase liquid extraction‐UHPLC‐MS/MS for the investigation of depressive rats	37
Chemical Characterization of the Traditional Chinese Medicine Zishui Qingxin Yin by Ultra‐High Performance Liquid Chromatography and Q Exactive Orbitrap Mass Spectrometers Combined With Molecular Netw	37
The generally useful estimate of solvent systems method facilitates off‐line two‐dimensional countercurrent chromatography for isolating compositions from Siraitia grosvenorii roots	36
Preparation of spherical silica hydroxyl‐functionalized covalent organic polymer composites for mixed‐mode liquid chromatography	36
Front Cover: Comparison of the separation of proteins of wide‐ranging molecular weight via trilobal polypropylene capillary‐channeled polymer fiber, commercial superficiously porous, and commercial si	34
Front Cover: Characterization and determination of benvitimod, an unknown risk substance in cosmetics, using nuclear magnetic resonance spectroscopy and HPLC‒MS/MS	34
A simple and easy non‐derivatization gas chromatography‐mass spectrometry method for simultaneous quantification of valproic acid, gabapentin, pregabalin, and vigabatrin in human plasma	33
Effect of water and protic solvents on polysaccharide‐based column efficiency	32
A novel method for evaluating pseudoallergy based on β‐hexosaminidase and its application for traditional Chinese medicine injections	31
Exploring the effect of Wuzhi capsule on the pharmacokinetics of regorafenib and its main metabolites in rat plasma using liquid chromatography‐tandem mass spectrometry	30
Alien species water hyacinth realizes waste into treasure: The preparation of biomass sorbent to determine benzoylurea insecticides in tea products	30
Rapid screening and evaluation of natural antioxidants from leaf, stem, and root of Artemisia argyi by online liquid microextraction combined with HPLC‐based antioxidant assay system coupled wi	29

Issue Information	29
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Issue Information	27