OOIR: Observatory of International Research

Papers

(The H4-Index of Analytical Chemistry is 84. 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 2022-08-01 to 2026-08-01.)

Article	Citations
A Dual-Structured Chromogenic Enzyme Platform for a Rapid, Sensitive, Durable, and Precise Gene Expression Analysis	365
Dynamic Monitoring of Biomolecular Hydrodynamic Dimensions by Magnetization Motion on Quartz Crystal Microbalance	225
Cancer Serum Atlas-Supported Precise Pan-Targeted Proteomics Enable Multicancer Detection	220
Hybrid Mn Atomic Clusters/Single-Dispersed Atoms with Dual Antioxidant Activities for a Chemiluminescent Immunoassay	220
Issue Publication Information	214
Issue Publication Information	213
Issue Publication Information	211
Issue Editorial Masthead	198
Issue Publication Information	190
Issue Publication Information	185
Issue Publication Information	169
Issue Editorial Masthead	163
Issue Publication Information	156
Issue Editorial Masthead	147
Issue Editorial Masthead	147
Automated Chronological Sequence Analysis of Intersecting Lines between Laser Printing and Seals via Pattern Selection-Based DESI-MS Imaging	141
Enantiomeric Separation of Triacylglycerols Consisting of Three Different Fatty Acyls and Their Chiral Chromatographic Elution Behavior	139
Using Digestion by IdeS Protease to Improve Quantification of Degradants in Monoclonal Antibodies by Non-Reducing Capillary Gel Electrophoresis	135
Melamine-Modified Metal–Organic Framework as Novel Electrochemiluminescence Enhancer for Single-Electrode Multiplex cTnI Immunosensor	134
Monitoring Bipolar Electrochemistry and Hydrogen Evolution Reaction of a Single Gold Microparticle under Sub-Micropipette Confinement	133
Poly(glycidyl methacrylate-co-ethylene glycol dimethacrylate) Monolith with Dual Porosity for Size Exclusion Chromatography	132
Systematic Evaluation of Chromatographic Peak Quality for Targeted Mass Spectrometry via Variational Autoencoder	132
DiffN Selection of Tandem Mass Spectrometry Precursors	130
A One-Dimensional Phase-Modulated (PM) NMR Experiment for Differentiating Spin Systems in Small Molecules Mixtures: With Application to Chiral Discrimination and Bicomponent Organic Systems	130
Infrared Spectroscopy with Variable Decomposition Level Dual-Tree Complex Wavelet Transform for Quantification of Air Pollutants	129

Calixarene-Based Magnetic Nanosponge Decorating AgNPs for Rapid and Selective Surface-Enhanced Raman Scattering Analysis in Complex Samples	128
Dynamic Resilience Assessment of Single Cells under Cyclic Mechanical Loading Reveals Chemotherapy-Induced Cytoskeletal Microdamage	128
High-Sensitivity Detection of Oxygen Impurities in Glow Discharge Polymers through Non-Rutherford Resonance Backscattering	127
Continuous Inline Magnetic Resonance Relaxometry Measurements on Moving Fluids	124
Fast Chemical Contrast by X-ray Fluorescence Intensity Ratio Detection	120
Isolation of Underivatized Amino Acids for Radiocarbon Analysis Using a Porous Graphite Column	116
Exploring the Aggregation Propensity of PHF6 Peptide Segments of the Tau Protein Using Ion Mobility Mass Spectrometry Techniques	115
Automated Platform for Mass-Spectrometry-Based Multiomics Analysis from Small Volumes of Biofluids	115
EXAGO: An Argonaute-Based Primer-Free Exponential Amplification Strategy for Ultrasensitive Zero-Background Detection of Point Mutation	113
Covalent Organic Frameworks: A Novel Class of Metal-Free Catalysts for Efficient Photochemical Vapor Generation	112
Quantitative Analysis and 2D/3D Elemental Imaging of Cocoa Beans Using X-ray Fluorescence Techniques	111
Fourier Deconvolution Multiplexing Boosts Ion Throughput in Pinhole-Interfaced GC-IMS/MS for Synchronous Peak Identification	111
Compact Luminol Chemiluminophores for In Vivo Detection and Imaging of β-Sheet Protein Aggregates	110
Dual Targeting and Cascaded Aggregation of Luminogen for Washing-Free and Enhanced Fluorescence Imaging of Intracellular Bacteria	108
An Off–On Fluorescent Probe Reveals Spatiotemporal Signaling of Opioid Receptors In Vivo for Pain Control	107
Electrochemical Genosensing of Overexpressed GAPDH Transcripts in Breast Cancer Exosomes	106
Construction of a Three-Dimensional-Printed Immunosensing Platform Based on Smartphone Photothermal Signal Integration	105
Amplified Biosensors Powered by Endogenous Molecules for Intracellular Fluorescence Imaging	105
Novel Near-Infrared Cyanine Dyes for DNA Sequencing	105
High-Field Asymmetric Waveform Ion Mobility Spectrometry Interface Enhances Parallel Reaction Monitoring on an Orbitrap Mass Spectrometer	104
Macrophage-Inspired Degradation-Activation System Enables Ultrasensitive Multicolor Detection of Haloacetic Acids via Janus Perovskite Halide Exchange	103
Covalent Organic Framework with Acid Precipitation Enhances Microprotein Enrichment and Discovery of Ferroptosis-Associated Microproteins	100
Novel Isotope-Labeled Derivatization Strategy for the Simultaneous Analysis of Fatty Acids and Fatty Alcohols and Its Application in Idiopathic Inflammatory Myopathies and Pancreatic Cancer	99
Identification of Recombinant Adeno-Associated Virus Serotypes by Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry	99
Microfluidic-Derived Detection of Protein-Facilitated Copper Flux Across Lipid Membranes	98
Visualization of the Ferroptosis in Atherosclerotic Plaques with Nanoprobe Engineered by Macrophage Cell Membranes	98
Ultrasensitive MicroRNA Photoelectric Assay Based on a Mimosa-like CdS-NiS/Au Schottky Junction	98
Thiolate DNAzymes on Gold Nanoparticles for Isothermal Amplification and Detection of Mesothelioma-derived Exosomal PD-L1 mRNA	98
Carbon Nitride-Based Heterojunction Photoelectrodes with Modulable Charge-Transfer Pathways toward Selective Biosensing	97
Issue Editorial Masthead	96
O -Position Electronegativity Dependent Activity for Specific-Rapid Response to Superoxide Anion and Its Imaging for Epilepsy Mediated by Ferroptosis Pathway	94
Parallel Sequencing of the Two Arms on a Bispecific Antibody by Electron Capture Dissociation on a timsOmni Platform Reveals Several By-products in the Controlled Fab-arm Exchange Process	93
96-Well Agarose-Gel Electromembrane Extraction	92
Drone- and Paper-Based Analytical Devices: A Powerful Combination for the Colorimetric Detection of Tropospheric Ozone	92
AnnoTCM: An Annotation Tool for Multimodal Metabolite–Phenotype Integration in Decoding Bioactive Compounds of Traditional Chinese Medicine	92
Quartz Crystal Microbalance Frequency Response to Discrete Adsorbates in Liquids	90
Three-Electrode, 3D-Printed NMR Cells for Electrooxidation Studies	90
Time-Resolved “Barbecue” Förster Resonance Energy Transfer for Sensitive and Homogenous Detection of Alginate	90
Single Cell Phenotypic Analysis for Cancer Stem Cell Identification by Dual-Isotope ICP-QMS	89
Ultrasensitive Electrochemiluminescence Imaging Detection of Multiple miRNAs in Single Cells with a Closed Bipolar Electrode Array Chip	89
CRISPR-Driven Portable Piezoresistive Biosensor with Cascaded Signal Amplification for Ultrasensitive Osteocalcin Detection	89
Segment Scan Mass Spectral Acquisition for Increasing the Metabolite Detectability in Chemical Isotope Labeling Liquid Chromatography–Mass Spectrometry Metabolome Analysis	88
Sensitive Cancer Hypoxia Detection via a Dual-Locking Fluorescence Response System Using Two Hypoxia Indicators	88
Pattern Recognition and Visual Detection of Aldehydes Using a Single ESIPT Dye	87
Quantitatively Tracking the Speciation and Dynamics of Selenium Nanoparticles in Rice Plants	87
pyMS-Vis, an Open-Source Python Application for Visualizing and Investigating Deconvoluted Top-Down Mass Spectrometric Experiments: A Histone Proteoform Case Study	87
Mass Spectrometry Imaging of Amino Acids Enabled by Quaternized Pyridinium Salt MALDI Probe	86
Droplet Surface Immunoassay by Relocation (D-SIRe) for High-Throughput Analysis of Cytosolic Proteins at the Single-Cell Level	86
Femtomolar Electrochemical Detection of 4 nm Diameter Citrate-Stabilized Gold Nanoparticles by Electrophoretic and Electrochemical Amplification	86
Constructing an Ultra-Rapid Nanoconfinement-Enhanced Fluorescence Clinical Detection Platform by Using Machine Learning and Tunable DNA Xerogel “Probe”	86

CLCtips: An Integrated Pipette-Tip Platform for High-Efficiency Extracellular Vesicle Proteomics via Aptamer-Mediated Capture and On-Tip Digestion	85
Improving the Accuracy, Robustness, and Dynamic Range of Digital Bead Assays	85
Ultrasensitive Paper-Based Photoelectrochemical Biosensor for Acetamiprid Detection Enabled by Spin-State Manipulation and Polarity-Switching	85
Step Change in Improving the Accuracy of Nitrous Oxide Reference Materials for Underpinning Atmospheric Composition Measurements	85
Endoplasmic Reticulum Peroxynitrite Fluctuations in Hypoxia-Induced Endothelial Injury and Sepsis with a Two-Photon Fluorescence Probe	85
Three-Dimensional Visualization of the Inhomogeneous Cold Crystallization of Polymers	85
Sample-Treatment with the Virucidal β-Propiolactone Does Not Preclude Analysis by Large Panel Affinity Proteomics, Including the Discovery of Biomarker Candidates	85
Rapid Electrochemical Detection of Bacterial Sepsis in Cirrhotic Patients: A Microscaffold-Based Approach for Early Intervention	84
From Detection to Remediation: Analytical Science at the Forefront of Environmental Research	84