OOIR: Observatory of International Research

Papers

(The TQCC of Journal of Chromatographic Science 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 2022-01-01 to 2026-01-01.)

Article	Citations
Correction to: Thiazolidinediones: Recent Development in Analytical Methodologies	26
UHPLC-MS/MS Method Development and Validation for the Genotoxic Impurities Trimethyl Phosphate and Triisopropyl Phosphate of Elagolix Sodium	26
Thermodynamic Characterization of Polyetherimide/Single-Walled Carbon Nanotube Composites	20
Qualitative and Quantitative Analyses of Four Active Components in Different Organs ofSalvia DesertaSchang by High-Performance Thin-Layer Chromatography	18
Development of a Validated UPLC–MS/MS Method for Simultaneous Estimation of Neratinib and Curcumin in Human Plasma: Application to Greenness Assessment and Routine Quantification	17
A Simple and Highly Sensitive Liquid Chromatographic-Mass Spectrometric Method for the Determination of Itraconazole and Its Major Metabolite in Human Plasma and Its Application to a Bioequivalence St	16
Development of a Novel Ultrasound Vacuum-Assisted Headspace Solid-Phase Microextraction Approach for Determination of Solvent Residuals in Pharmaceuticals and Comparison with Traditional Headspace Sol	15
Correction to: Determination of Azole Fungicide Residues in Fresh Juice by Magnetic Solid Phase Extraction Based on Fe3O4@ZnAl-LDH@MIL-53(Al) Sorbent in Combination with High-Performance Liquid Chroma	15
Development and Validation of Robust, Highly Sensitive and Stability-Indicating RP-HPLC Method for Estimation of Deferasirox and its Degradation Products	15
Comparison of Plasma Concentration of Linezolid’s Detection by FICA and LC–MS/MS	14
Direct Methylation for Determination of Fatty Acids in Coffee Samples by GC-FID	14
Identification of Two Novel Hydroperoxide Impurities in Fluocinolone Acetonide Topical Solution by Liquid Chromatography Mass Spectrometry	14
Structure Elucidation and Quantitation of 11 N′-n-Acylnornicotines in Cherry-Red Tobacco	13
UPLC–MS/MS Method Development for Simultaneous Estimation of Diclofenac and Resveratrol-Loaded Liposomal Gel Formulation in Mice Skin Model: Application to Dermatokinetic Study	12
Theoretical Study of Non-Isothermal Gradient Elution Liquid Chromatography	12
Analysis of Chemical Constituents in Asarum Heterotropoides Based on High Performance Liquid Chromatography Fingerprint and Ultra Performance Liquid Chro	10
Determination of Residual Dimethyl Sulfate in Cephalosporin Using HS-SPME/GC–MS	10
Extension of an Ultra-High Performance Liquid Chromatography–MS/MS Method for the Determination of C3 Epimers of 25-Hydroxyl Derivatives of Vitamin D in Human Plasma	10
Analytical Quality Risk Assessment and Design of Experiments to Green HPTLC Method for Simultaneous Estimation of Sildenafil Citrate and Dapoxetine Hydrochloride	9
GC-MS Based Metabolomics Analysis to Evaluate Short-Term Effect of Tumor Removal on Patients with Early-Stage Breast Cancer	9
Development of Different Separation Techniques for Impurity Profiling of Neostigmine Methylsulfate: A Comparative Study	9
Analytical Methods for Estimating Metformin Hydrochloride, Pioglitazone and Teneligliptin in Diabetes Management: a Comprehensive Review	9
Development of a Thin-Layer Chromatography-Enzymatic Test Combination Method for the Isolation of α-Glucosidase Inhibitors From Thymelaea hirsuta	9
Central Composite Design Expert-Supported RP-HPLC Optimization and Quantitative Evaluation of Efonidipine Hydrochloride Ethanolate & Chlorthalidone in Tablet	8
Chromatographic Methods for the Analysis of the Antipsychotic Drug Clozapine and Its Major Metabolites: A Review	8

Oxidative Stress Biomarker Levels of Simulated Artificial Body Fluids: Comparative HPLC-PDA and LC–MS/MS Approaches: Significance of Raw PDA and MS/MS Data for Chemometric Discrimination	8
Simultaneous Quantitation of Anlotinib and Osimertinib by Isotope-Labeled UHPLC–MS/MS in Human Plasma: Application in NSCLC Patients	8
Implementation of White Analytical Chemistry–Assisted Analytical Quality by Design Approach to Green Liquid Chromatographic Method for Concomitant Analysis of Anti-Hypertensive Drugs in Human Plasma	8
Reverse Phase HPLC Methodology for the Determination of Bay K8644	8
A General Strategy to Rapid and Sensitive Determination of Five High Boiling Point Solvents in Pharmaceuticals by RP-HPLC Combined with Precipitation Method	8
A Chemometric Strategy in the Development of a RP-UPLC Method for the Quantitative Resolution of a Two-Component Syrup Formulation	7
Green TLC-Densitometric Method for Simultaneous Determination of Antazoline and Tetryzoline: Application to Pharmaceutical Formulation and Rabbit Aqueous Humor	7
A Multi-Analyte LC–MS/MS Method for Determination and Quantification of Six Nitrosamine Impurities in Sartans like Azilsartan, Valsartan, Telmisartan, Olmesartan, Losartan and Irbesartan	7
Simultaneous Determination of Thirteen Iridoid Glycosides in Crude and Processed Fructus Corni from Different Areas by UPLC–MS/MS Method	7
Development and Validation of Facile RP-HPLC Method for Simultaneous Determination of Timolol Maleate, Moxifloxacin Hydrochloride, Diclofenac Sodium and Dexamethasone in Plasma, Aqueous Humor and Phar	6
Simultaneous Bioanalytical Method Development and Validation of Navitoclax and Doxorubicin in Rat Plasma Using UHPLC-HESI-LTQ-MS	6
Simultaneous Determination of Metabolites Related to Arginine Metabolism in Rat plasma by Hydrophilic Interaction Chromatography–Tandem Mass Spectrometry	6
Development of a Sensitive and Rapid HPLC–MS Method for Dihydrocodeine and Dihydromorphine: Application to Bioequivalence Studies	6
Separation of Three Polar Compounds with Similar Polarities from Swertia mussotii by a Combination of Two Counter-Current Chromatography Modes	6
Reduction and Hydroxylation Metabolites of Mequindox in Holothurian Analysis by Ultra-Performance Liquid Chromatography–Tandem Mass Spectrometry	6
A Methodology for Quantitation of Dictamnine and Fraxinellone and its Application to Study Pharmacokinetics and Bioavailability in Rats Via Oral and Intravenous Administration	6
Method Validation for Estimation of Imidacloprid and its Metabolites in Maize and Soil by LCMS-MS	6
UPLC–PDA Approach for Simultaneous Quantification of Elvitegravir, Tenofovir, Emtricitabine and Cobicistat in Tablets: An MS–ESI Study for Degradation Products	5
Separation and Purification of Bamboo Leaf Flavones by Polyvinylpolypyrrolidone Adsorption	5
Development and Validation of the HPLC Method for Simultaneous Quantification of Glucose and Xylose in Sugar Cane Bagasse Extract	5
Correction to: AGREE and ESA for Greenness Assessment of a Novel Validated RP-HPLC Method for Simultaneous Determination of Aspirin, Warfarin and Clopidogrel in Rat Plasma: Application to Pharmacokine	5
AGREE and ESA for Greenness Assessment of a Novel Validated RP-HPLC Method for Simultaneous Determination of Aspirin, Warfarin and Clopidogrel in Rat Plasma: Application to Pharmacokinetic Study of th	5
Simultaneous Detection Method of 11 Respiratory Drug Substances Including Theobromine, Oxymetazoline, etc. in Adulterated Dietary Supplements Using Liquid Chromatography–Electrospray Ionization–Tandem	5
Characterization of Chemical Constituents and Metabolites in Rat Plasma after Oral Administration of Zhi-Zi-Hou-Po Decoction by High Performance Liquid Chromatography Coupled with Quadrupole Time-of-F	5
Expeditive Chromatographic Methods for Quantification of Solifenacin Succinate along with its Official Impurity as the Possible Acid Degradation Product	5
A Novel Stability Indicating RP-HPLC Method for Simultaneous Quantification of Serdexmethylphenidate and Dexmethylphenidate in Fixed Dosage Form	5
Immunopurification Reagents and Their Application in Biologics and Biomarker Quantitation Using LC–MS/MS in Drug Discovery	5
Bioanalysis of Endogenous Isotretinoin in Altered and Unaltered Human Plasma by Liquid Chromatography–Tandem Mass Spectrometry Coupled with Electrospray Ionization	5
Simultaneous Measurement of Mycophenolic Acid with Other Immunosuppressants in Whole Blood and Plasma by Using Liquid Chromatography–Tandem Mass Spectrometry	5
Green Chromatographic Assay of Toxic Impurities of Cyproheptadine: In Silico Toxicity Profiling	5
Rapid Isolation and Hypoglycemic Activity of Secondary Metabolites of Eurotium cristatum by High-Speed Countercurrent Chromatography	5
Evaluation on the Metabolic Activity of Two Carboxylesterase Isozymes in Mouse Liver Microsomes by a LC–MS/MS Method	5
An Eco-Friendly RP-HPLC Method Development and Validation for Quantification of Favipiravir in Bulk and Tablet Dosage Form Followed by Forced Degradation Study	5
RP-LC Method Development and Validation for Dasatinib Forced Degradation Study: Isolation and Structural Characterization by NMR and HRMS	5
High-Performance Liquid Chromatography Using Ultraviolet Detection for Separation of Terephthalic Acid and Associated Impurities from Recycled Materials	5
Development of Relatively Simple Sample Pretreatment Strategies to Selectively Remove Chromatographic Interfering Peaks of Polysorbate 80 from Liquid Oral Finished Drug Product	4
LC–MS/MS Method Assay for Simultaneous Determination of the Apixaban and Metformin in Rat Plasma: Assessment of Pharmacokinetic Drug–Drug Interaction Study	4
Validated LC/MS/MS Method for the Determination of Rivastigmine in Human Plasma: Application to a Pharmacokinetic Study in Egyptian Volunteers to Determine the Effect of Gender and Body Mass Index	4
Simultaneous Estimation of Berberine and Piperine in a Novel Nanoformulation for Epilepsy Control via HPLC	4
Optimization of Extraction of Four Components from Radix Scrophulariae with Natural Deep Eutectic Solvents and Evaluation of Extract’s Antioxidant Activity	4
Quality Evaluation of Volatile Oil in Yanyangke Mixture (YM) Based on GC–MS Fingerprint, GC Multicomponent Quantitative Analysis and Chemical Pattern Recognition Analysis	4
Plasticizers Analysis in Extractables and Leachables by Gas Chromatography–Mass Spectrometry with Parallel Polyarc®/Flame Ionization Detector	4
Quantification and Standardization of Andrographolide inAndrographis PaniculataSamples by Validated RP-HPLC and HPTLC Methods	4
Determination of Venetoclax Concentration in Plasma Using High-Performance Liquid Chromatography	4
A Novel HPLC Method for Quality Inspection of NRK Biosynthesized β-Nicotinamide Mononucleotide	4
Bioanalytical HPLC Method for Quantification of Benidipine in Rat Plasma: Stability and Application to Pharmacokinetic Study	4
Comprehensive Identification of Chemical Fingerprint and Screening of Potential Quality Markers of Aloe vera (L.) Burm. f. from Different Geographical Origins via Ultra-High-Performance Liquid	4
Problems in Commercial Kits of 25-Hydroxy Vitamin D and the Development of Simple, Robust and Faster HPLC Method	4
Green Multiplex Chromatographic Determination of Nine Penicillin Antibiotics Residues in Industrial Air Dust and Wastewater Environmental Samples	4
A Gadolinium-Based Magnetic Ionic Liquid for Dispersive Liquid–Liquid Microextraction of Ivermectin from Environmental Water	4

Structural Elucidation of Novel Degradation Impurities of Ibrutinib in Ibrutinib Tablets Using Preparative Chromatography, LCMS, HRMS and 2D NMR Techniques	4
Development and Validation of a New High-Performance Liquid Chromatography-Ultraviolet Assay for Quantification of Mitoxantrone in Plasma of BALB/c-nu Mice	4
Design and Optimization of the Extraction Process for Eclipta alba Linn. Using Response Surface Methodology	4
Study on the Correlation Between the Appearance Traits and Intrinsic Chemical Quality of Bitter Almonds Based on Fingerprint-Chemometrics	3
A Novel Validated GC–MS/MS Method for the Estimation of N-Nitroso Dimethyl Amine and N-Nitroso Diethyl Amine in Zidovudine	3
Simultaneous Determination of Esafoxolaner, Eprinomectin, Praziquantel, BHT and Their Related Substances in a Topical Finished Product by a Single Reversed-Phase High-Performance Liquid Chromatography	3
Preparation and Evaluation of an Azobenzenediamide Bridged bis(β-Cyclodextrin)-Bonded Chiral Stationary Phase for HPLC	3
Application of Polydopamine-Based Magnetic Solid-Phase Extraction for Highly Sensitive Determination of Aristolochic Acid I from Traditional Chinese Medicine Samples	3
Harmonized Approach of Design of Experiments with Green and White Analytical Chemistry in Unified Framework for Synchronous Chromatographic Assay of Diverse Combinations of Anti-diabetic Drugs in Phar	3
Simultaneous Determination of Montelukast Sodium and Loratadine by Eco-Friendly Densitometry and Spectrophotometric Methods	3
Ecofriendly HPLC Method for Simultaneous Determination of the Co-Prescribed Drugs in Chemotherapy Omeprazole, Ondansetron and Deflazacort in Spiked Human Plasma	3
Correction to: Solid-Phase Extraction (SPE) Technique to Quantify Cefdinir in Human Plasma Using Liquid Chromatography–Tandem Mass Spectrometry (LC–MS/MS)	3
Ionic Liquid-Based Magnetic Needle Headspace Single-Drop Microextraction Combined with HPLC/UV for the Determination of Chlorophenols in Wastewater	3
AQbD-Based Development and Validation of HPTLC Method for Simultaneous Determination of Glycopyrronium, Formoterol Fumarate and Budesonide in Rotacaps	3
Simultaneous Determination of Ten Active Components From Jinhongtang Granule in Rat Plasma by LC–MS/MS and its Application to a Comparative Pharmacokinetic Study in Normal and Sepsis Rats In Vivo	3
Validated Smart Different Chromatographic Methods for Selective Quantification of Acefylline Piperazine, Phenobarbital Sodium and Methylparaben Additive in Bulk and Pharmaceutical Dosage Form	3
Analysis of Fixed-Dose Combination of Three Antihypertensive Drugs by a Green and Quality by Design Approach	3
Pharmacokinetic Analysis of Two N-Substituted Rosmarinic Acid Analogs in Rat Plasma by Liquid Chromatography-Tandem Mass Spectrometry	3
Simultaneous Quantification of Vancomycin, Linezolid and Voriconazole in Human Plasma by UHPLC–MS/MS: Application in Therapeutic Drug Monitoring	3
Stability-Indicating HPTLC Method for Determination of Remogliflozin Etabonate and Vildagliptin in Tablets	3
Validation and Application of UPLC-MS/MS Method to Analysis of Glyphosate and its Metabolites in Water	3
Stability Indicating Assay Method and LC–MS Characterization of Forced Degradation Products of Pantoprazole and Aspirin	3
Ultra-High Performance Liquid Chromatography Method for Bioanalysis of Fampridine Using Dried Blood Spot (DBS) Methodology: Application to Pharmacokinetic Study in Albino Rats	3
Comprehensive Quality Evaluation of Danggui–Jianzhong Decoction by Fingerprint Analysis, Multi-Component Quantitation and UPLC-Q-TOF-MS	3
Analysis of Denosumab by a Validated CZE Method and Determination of Sialic Acids by the RP–HPLC Method	3
Chromatographic Enantioseparation of Chiral Sulfoximines on Polysaccharide-Based Chiral Stationary Phases	3
Structural Elucidation of Novel Degradation Impurity and Development, Validation of a Single HPLC Method for all Putative Impurities of Clobetasol Propionate in a Foam Drug Product	3
Revealing the Active Components and Therapeutic Targets of Sanao Decoction against Chronic Obstructive Pulmonary Disease Using Quantitative Analysis of Multi-Components by Single Marker and Network Ph	3
Development of a solid phase extraction-high–performance liquid chromatography–ultraviolet detector method for quality control of the rosemary–pepper tincture, a phytotherapic produced by living pharm	3
Stability Indicating RP-HPLC Method by QbD Approach and LC–MS Characterization of Degradation Products of Mifepristone	3
Using the AQbD Approach, Development and Validation of a Simple, Rapid Stability Indicating Chromatographic Method for Quantification of Related Impurities of Apixaban	3
Development and Validation of UPLC Tandem Mass Spectrometry Assay for Ceftibuten and Sulbactam in Human Plasma	3
Development and Validation of Rapid and Cost-Effective RP-HPLC/UV Method for Determination of Cetirizine/Levocetirizine in Blood Plasma of Smokers and Non Smokers: a Two Cohort Comparative Study	3
Qualitative, Quantitative Analysis and Pharmacokinetic Study of Potentially Active Components of Huangxueyishen Decoction Based on UPLC-MS/MS	3
Ayurveda Detoxification Process Reduces Plumbagin from the Roots of Plumbago zeylanica L. – A RP-UFLC Analysis	3
Determination of Related Substances in Promethazine Hydrochloride and Dextromethorphan Hydrobromide in Oral Solution by RP-HPLC Method	3