OOIR: Observatory of International Research

Papers

(The H4-Index of Journal of Chromatography A is 40. 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 2020-05-01 to 2024-05-01.)

Article	Citations
Modern isolation and separation techniques for extracellular vesicles	242
Selective extraction of bioactive compounds from plants using recent extraction techniques: A review	149
Deep eutectic solvents in separations: Methods of preparation, polarity, and applications in extractions and capillary electrochromatography	105
Recent developments in sample preparation techniques combined with high-performance liquid chromatography: A critical review	86
Green non-conventional techniques for the extraction of polyphenols from agricultural food by-products: A review	72
Electrospinning fabrication of covalent organic framework composite nanofibers for pipette tip solid phase extraction of tetracycline antibiotics in grass carp and duck	69
Combination of dispersive solid phase extraction with solidification organic drop–dispersive liquid–liquid microextraction based on deep eutectic solvent for extraction of organophosphorous pesticides	66
In-tube solid-phase microextraction: Current trends and future perspectives	63
Sequential extraction of carnosic acid, rosmarinic acid and pigments (carotenoids and chlorophylls) from Rosemary by online supercritical fluid extraction-supercritical fluid chromatography	62
Stir bar sorptive extraction and its application	61
A functionalized magnetic covalent organic framework for sensitive determination of trace neonicotinoid residues in vegetable samples	61
Selective solid-phase extraction of organophosphorus pesticides and their oxon-derivatives from water samples using molecularly imprinted polymer followed by high-performance liquid chromatography wit	58
Oil extraction from tiger nut (Cyperus esculentus L.) using the combination of microwave-ultrasonic assisted aqueous enzymatic method - design, optimization and quality evaluation	56
Chiral chromatography method screening strategies: Past, present and future	55
Noncovalent interactions in high-performance liquid chromatography enantioseparations on polysaccharide-based chiral selectors	54
The applicability of high-speed counter current chromatography to the separation of natural antioxidants	54
First deep eutectic solvent-based (DES) stationary phase for gas chromatography and future perspectives for DES application in separation techniques	54
Evaluation of sulfonic acid functionalized covalent triazine framework as a hydrophilic-lipophilic balance/cation-exchange mixed-mode sorbent for extraction of benzimidazole fungicides in vegetables,	53
Effective extraction of organophosphorus pesticides using sol–gel based coated stainless steel mesh as novel solid-phase extraction sorbent	52
Spherical mesoporous covalent organic framework as a solid-phase extraction adsorbent for the ultrasensitive determination of sulfonamides in food and water samples by liquid chromatography-tandem mas	52
Sustainable green solvents for microextraction techniques: Recent developments and applications	51
Microcrystalline cellulose/metal−organic framework hybrid as a sorbent for dispersive micro-solid phase extraction of chlorophenols in water samples	51
Cannabis Sativa L.: a comprehensive review on the analytical methodologies for cannabinoids and terpenes characterization	51
In-situ formation/decomposition of deep eutectic solvent during solidification of floating organic droplet-liquid-liquid microextraction method for the extraction of some antibiotics from honey prior	50
Photochemical synthesis of magnetic covalent organic framework/carbon nanotube composite and its enrichment of heterocyclic aromatic amines in food samples	49

Implementation of analytical quality by design and green chemistry principles to develop an ultra-high performance liquid chromatography method for the determination of Fluocinolone Acetonide impuriti	48
Dispersive solid phase extraction combined with solidification of floating organic drop–liquid–liquid microextraction using in situ formation of deep eutectic solvent for extraction of phytosterols fr	48
Single isomer cyclodextrins as chiral selectors in capillary electrophoresis	47
Evolution and current advances in sorbent-based microextraction configurations	46
A review of recent advances in microsampling techniques of biological fluids for therapeutic drug monitoring	45
Recent advances of ordered mesoporous silica materials for solid-phase extraction	45
A green air assisted-dispersive liquid-liquid microextraction based on solidification of a novel low viscous ternary deep eutectic solvent for the enrichment of endocrine disrupting compounds from wat	44
Capacitively coupled contactless conductivity detection for analytical techniques – Developments from 2018 to 2020	44
Facile synthesis of trifluoromethyl covalent organic framework for the efficient microextraction of per-and polyfluorinated alkyl substances from milk products	43
Solvation parameter model: Tutorial on its application to separation systems for neutral compounds	43
Combination of gel-electromembrane extraction with switchable hydrophilicity solvent-based homogeneous liquid-liquid microextraction followed by gas chromatography for the extraction and determination	43
Asymmetric-flow field-flow fractionation for measuring particle size, drug loading and (in)stability of nanopharmaceuticals. The joint view of European Union Nanomedicine Characterization Laboratory a	42
Advances in cell membrane chromatography	41
Magnetic solid-phase extraction for speciation of mercury based on thiol and thioether-functionalized magnetic covalent organic frameworks nanocomposite synthesized at room temperature	40
Hybrid Models for the simulation and prediction of chromatographic processes for protein capture	40
Hydrophobic deep eutectic solvents as extractants for the determination of bisphenols from food-contacted plastics by high performance liquid chromatography with fluorescence detection	40
Magnetic covalent organic framework as a solid-phase extraction absorbent for sensitive determination of trace organophosphorus pesticides in fatty milk	40