OOIR: Observatory of International Research

Papers

(The H4-Index of Analytical Chemistry is 81. 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 2021-06-01 to 2025-06-01.)

Article	Citations
Issue Publication Information	309
Issue Publication Information	276
Issue Editorial Masthead	257
Signal2signal: Pushing the Spatiotemporal Resolution to the Limit by Single Chemical Hyperspectral Imaging	248
Issue Publication Information	214
Issue Publication Information	193
Issue Publication Information	193
Issue Publication Information	192
Issue Publication Information	170
Issue Publication Information	162
In Situ SERS Monitoring and Heterogeneous Catalysis Verification of Pd-Catalyzed Suzuki–Miyaura Reaction via Bifunctional “Black Raspberry-like” Plasmonic Nanoreactors	159
Issue Publication Information	157
Issue Editorial Masthead	155
Issue Publication Information	152
Cyclic Olefin Copolymer-Based Fixed-Target Sample Delivery Device for Protein X-ray Crystallography	149
Real-Time Analysis of CO₂ Reduction Product Distribution by Synchrotron Vacuum Ultraviolet Photoionization Mass Spectrometry	148
Quantitative Assessment of Retention Mechanisms for Ionized Compounds in Hydrophilic Interaction Chromatography (HILIC)	148
Issue Editorial Masthead	143
Issue Editorial Masthead	137
Rapid Preparation of a Self-Luminous Cd-Based Metal–Organic Framework Using AIEgen Ligands for High-Performance Electrochemiluminescence	135
A Dual-Structured Chromogenic Enzyme Platform for a Rapid, Sensitive, Durable, and Precise Gene Expression Analysis	133
Calixarene-Based Magnetic Nanosponge Decorating AgNPs for Rapid and Selective Surface-Enhanced Raman Scattering Analysis in Complex Samples	129
Detection of Exchangeable Protons in NMR Metabolomic Analysis Using AI-Designed Water Irradiation Devoid Pulses	129
A Bacteria-Responsive Multifunctional Nanohydrogel for Recognition of Bacterial Infections and Activable Four-in-One Antibacterial Therapy	124
Issue Publication Information	124

Comprehensive Coverage of Glycolysis and Pentose Phosphate Metabolic Pathways by Isomer-Selective Accurate Targeted Hydrophilic Interaction Liquid Chromatography-Tandem Mass Spectrometry Assay	123
Maximizing Electrochemical Information: A Perspective on Background-Inclusive Fast Voltammetry	122
Metal-Mediated Polydopamine Nanoparticles–DNA Nanomachine Coupling Electrochemical Conversion of Metal–Organic Frameworks for Ultrasensitive MicroRNA Sensing	119
Time-Dependent Chemiluminescence Fingerprint for Ultrasensitive Trap State Identification in Zinc Gallates	118
Endogenous Free-Electron-Involved Coreactant-Free Electrochemiluminescence from Nanoclusters and Its Immunoassay Application	117
Increased Sensitivity in VOC Detection by Using a Novel Photoinduced Multiple Ionization Mass Spectrometry	115
Endogenous Messenger RNA-Stimulative Self-Enhanced Orthogonal Catalytic DNA Nanomachine under Near-Infrared Light Mediation for High-Performance Imaging in Living Biosamples	113
A Current Averaging Strategy for Maximizing Analyte and Minimizing Redox Interference Signals with Square Wave Voltammetry	111
Systematic Evaluation of Chromatographic Peak Quality for Targeted Mass Spectrometry via Variational Autoencoder	111
Acidic Extracellular pH-Activated Allosteric DNA Nanodevice for Fluorescence Imaging of APE1 Activity in Tumor Cells	111
Mass Spectrometry Imaging of Amino Acids Enabled by Quaternized Pyridinium Salt MALDI Probe	109
Poly(glycidyl methacrylate-co-ethylene glycol dimethacrylate) Monolith with Dual Porosity for Size Exclusion Chromatography	108
Sensitive Cancer Hypoxia Detection via a Dual-Locking Fluorescence Response System Using Two Hypoxia Indicators	107
Enantiomeric Separation of Triacylglycerols Consisting of Three Different Fatty Acyls and Their Chiral Chromatographic Elution Behavior	107
Chloramine-T-Enabled Mass Spectrometric Analysis of C═C Isomers of Unsaturated Fatty Acids and Phosphatidylcholines in Human Thyroids	104
Cancer Serum Atlas-Supported Precise Pan-Targeted Proteomics Enable Multicancer Detection	104
Construction and Preliminary Evaluation of Two ¹⁸F-Labeled Radiopharmaceuticals for Myocardial Perfusion Imaging	103
Investigating the Metabolic Heterogeneity of Cancer Cells Using Functional Single-Cell Selection and nLC Combined with Multinozzle Emitter Mass Spectrometry	102
Fluorescence-On Imaging of Reticulophagy Enabled by an Acidity-Reporting Solvatochromic Probe	101
A Lateral Flow Biosensor Based on Isothermal Amplification for Visual Identification of Species and Sex from Bloodstain	101
Visualization of the Ferroptosis in Atherosclerotic Plaques with Nanoprobe Engineered by Macrophage Cell Membranes	99
Monitoring Bipolar Electrochemistry and Hydrogen Evolution Reaction of a Single Gold Microparticle under Sub-Micropipette Confinement	99
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	99
Lewis Acidic Metal–Organic Framework Assisted Ambient Liquid Extraction Mass Spectrometry Imaging for Enhancing the Coverage of Poorly Ionizable Lipids in Brain Tissue	99
Characterization of Higher Order Structural Changes of a Thermally Stressed Monoclonal Antibody via Mass Spectrometry Footprinting and Other Biophysical Approaches	97
Dynamic Monitoring of Biomolecular Hydrodynamic Dimensions by Magnetization Motion on Quartz Crystal Microbalance	95
Step Change in Improving the Accuracy of Nitrous Oxide Reference Materials for Underpinning Atmospheric Composition Measurements	95
CRISPR/Cas12a Collateral Cleavage-Driven Transcription Amplification for Direct Nucleic Acid Detection	93
Performance Evaluation of Extraction Coatings with Different Sorbent Particles and Binder Composition	93
Droplet Surface Immunoassay by Relocation (D-SIRe) for High-Throughput Analysis of Cytosolic Proteins at the Single-Cell Level	91
Insights into the Main Protease of SARS-CoV-2: Thermodynamic Analysis, Structural Characterization, and the Impact of Inhibitors	91
Reconstruction of Glutathione Metabolism in the Neuronal Model of Rotenone-Induced Neurodegeneration Using Mass Isotopologue Analysis with Hydrophilic Interaction Liquid Chromatography-Zeno High-Resol	90
Macrophage-Inspired Degradation-Activation System Enables Ultrasensitive Multicolor Detection of Haloacetic Acids via Janus Perovskite Halide Exchange	90
Hybrid Mn Atomic Clusters/Single-Dispersed Atoms with Dual Antioxidant Activities for a Chemiluminescent Immunoassay	90
Evaluation of a Novel Femtosecond Laser Ablation System for In Situ Analysis Based on Two-Dimensional Galvanometer Scanners	90
Thiolate DNAzymes on Gold Nanoparticles for Isothermal Amplification and Detection of Mesothelioma-derived Exosomal PD-L1 mRNA	89
Metal Organic Framework Nanomaterial-Based Extraction and Proteome Analysis of Membrane and Membrane-Associated Proteins	89
Sensitive Microscale Thermophoresis Assay Using Aptamer Thermal Switch	89
Facile Method for Specifically Sensing Sphingomyelinase in Cells and Human Urine Based on a Ratiometric Fluorescent Nanoliposome Probe	89
Linear Cryogel Arrays: On the Fast Track for Borreliosis Detection	88
Fast Liquid Chromatography Coupled with Tandem Mass Spectrometry for the Analysis of Vanillic and Syringic Acids in Ice Cores	88
Molecular Design of Monochromophore-Based Bifunctional Photosensitizers for Simultaneous Ratiometric Oxygen Reporting and Photodynamic Cancer Therapy	88
Tile-Based Pairwise Analysis of GC × GC-TOFMS Data to Facilitate Analyte Discovery and Mass Spectrum Purification	88
Low-Frequency Raman Spectroscopy as an Avenue to Determine the Transition Temperature of β- and γ-Relaxation in Pharmaceutical Glasses	88
Acyl-CoA Identification in Mouse Liver Samples Using the In Silico CoA-Blast Tandem Mass Spectral Library	86
Deep-Learning-Assisted Single-Molecule Tracking on a Live Cell Membrane	86
Rapid and Noninvasive Quantification of Capsid Gene Filling Level Using Water Proton Nuclear Magnetic Resonance	84
Triboionization in Discontinuous Atmospheric Pressure Inlet for a Miniature Ion Trap Mass Spectrometer	84
Topography Mapping with Scanning Electrochemical Cell Microscopy	83
Development and Preclinical Study of Free Radical Imaging Using Field-Cycling Dynamic Nuclear Polarization MRI	83

Real-Time Evaluation of Adhesion Processes and Glucose Response of Cancer Cells onto Phenylboronic Acid-Functionalized Films Monitored by Quartz Crystal Microbalance with Dissipation	83
Development of a Recombinase-Aided Amplification Assay for the Rapid Detection of Candida auris	83
A Bio-inspired Extended-Gate Metal-Oxide-Semiconductor Field-Effect-Transistor for Highly Sensitive Amino Acid Enantiodiscrimination	82
Integrated Top-Down and Bottom-Up Mass Spectrometry for Characterization of Diselenide Bridging Patterns of Synthetic Selenoproteins	82
Femtomolar Electrochemical Detection of 4 nm Diameter Citrate-Stabilized Gold Nanoparticles by Electrophoretic and Electrochemical Amplification	82
In Situ Transformable Pro-nanotheranostic Platform for Activable Photoacoustic Imaging and Synergistic Photothermal/Chemodynamic Cancer Therapy	82
Combining Ultraviolet Photodissociation and Two-Dimensional Mass Spectrometry: A Contemporary Approach for Characterizing Singly Charged Agrochemicals	81