OOIR: Observatory of International Research

Papers

(The H4-Index of Analytical Chemistry is 82. 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 2021-05-01 to 2025-05-01.)

Article	Citations
Addressing Acid-Catalyzed Deamidation and the Solubility of Hydrophobic Peptides in Multi-Attribute Method Workflows	324
Issue Publication Information	304
Hygroscopic Tendencies of Substances Used as Calibrants for Quantitative Nuclear Magnetic Resonance Spectroscopy	269
Issue Publication Information	264
From Detection to Remediation: Analytical Science at the Forefront of Environmental Research	251
Issue Editorial Masthead	238
Sample-Treatment with the Virucidal β-Propiolactone Does Not Preclude Analysis by Large Panel Affinity Proteomics, Including the Discovery of Biomarker Candidates	208
Signal2signal: Pushing the Spatiotemporal Resolution to the Limit by Single Chemical Hyperspectral Imaging	192
Issue Publication Information	189
Issue Publication Information	186
Fast Chemical Contrast by X-ray Fluorescence Intensity Ratio Detection	163
Issue Publication Information	157
Issue Publication Information	156
Issue Publication Information	156
In Situ SERS Monitoring and Heterogeneous Catalysis Verification of Pd-Catalyzed Suzuki–Miyaura Reaction via Bifunctional “Black Raspberry-like” Plasmonic Nanoreactors	152
Issue Publication Information	152
Artificial Intelligence-Aided Multiple Tumor Detection Method Based on Immunohistochemistry-Enhanced Dark-Field Imaging	151
Amplified Biosensors Powered by Endogenous Molecules for Intracellular Fluorescence Imaging	149
Issue Publication Information	147
Issue Publication Information	143
Issue Editorial Masthead	143
Cyclic Olefin Copolymer-Based Fixed-Target Sample Delivery Device for Protein X-ray Crystallography	138
Quantitative Assessment of Retention Mechanisms for Ionized Compounds in Hydrophilic Interaction Chromatography (HILIC)	137
Real-Time Analysis of CO₂ Reduction Product Distribution by Synchrotron Vacuum Ultraviolet Photoionization Mass Spectrometry	132
Issue Editorial Masthead	130

Quartz Crystal Microbalance Frequency Response to Discrete Adsorbates in Liquids	128
Issue Editorial Masthead	125
Self-Illuminating Copper-Luminol Coordination Polymers for Bioluminescence Imaging of Oxidative Damage	124
Rapid Preparation of a Self-Luminous Cd-Based Metal–Organic Framework Using AIEgen Ligands for High-Performance Electrochemiluminescence	124
Raman Spectroscopy-Based 3D Analysis of Odontogenic Differentiation of Human Dental Pulp Stem Cell Spheroids	120
Improving the Accuracy, Robustness, and Dynamic Range of Digital Bead Assays	120
Analysis of Host Cell Proteins in AAV Products with ProteoMiner Protein Enrichment Technology	119
Toward Hyphenated In Situ Infrared and Raman Spectroscopies in Interfacial Electrochemistry	117
Calixarene-Based Magnetic Nanosponge Decorating AgNPs for Rapid and Selective Surface-Enhanced Raman Scattering Analysis in Complex Samples	117
A Dual-Structured Chromogenic Enzyme Platform for a Rapid, Sensitive, Durable, and Precise Gene Expression Analysis	117
Detection of Exchangeable Protons in NMR Metabolomic Analysis Using AI-Designed Water Irradiation Devoid Pulses	116
Visualization of Mechanical Force Regulation of Exosome Secretion Using High Time-Spatial Resolution Imaging	116
A Bacteria-Responsive Multifunctional Nanohydrogel for Recognition of Bacterial Infections and Activable Four-in-One Antibacterial Therapy	110
Issue Publication Information	110
Comprehensive Coverage of Glycolysis and Pentose Phosphate Metabolic Pathways by Isomer-Selective Accurate Targeted Hydrophilic Interaction Liquid Chromatography-Tandem Mass Spectrometry Assay	108
Maximizing Electrochemical Information: A Perspective on Background-Inclusive Fast Voltammetry	106
Tracking the Differentiation Status of Human Neural Stem Cells through Label-Free Raman Spectroscopy and Machine Learning-Based Analysis	106
Construction of Genetically Encoded Biosensors to Monitor Subcellular Compartment-Specific Glutathione Response to Chemotherapeutic Drugs in Acute Myeloid Leukemia Cells	104
Combined Morphological and Spectroscopic Diagnostic of HER2 Expression in Breast Cancer Tissues Based on Label-Free Surface-Enhanced Raman Scattering	104
Metal-Mediated Polydopamine Nanoparticles–DNA Nanomachine Coupling Electrochemical Conversion of Metal–Organic Frameworks for Ultrasensitive MicroRNA Sensing	104
Time-Dependent Chemiluminescence Fingerprint for Ultrasensitive Trap State Identification in Zinc Gallates	103
CRISPR-Cas12a/Cas13a Multiplex Bioassay for ctDNA and miRNA by Mass Spectrometry	102
Endogenous Free-Electron-Involved Coreactant-Free Electrochemiluminescence from Nanoclusters and Its Immunoassay Application	101
Increased Sensitivity in VOC Detection by Using a Novel Photoinduced Multiple Ionization Mass Spectrometry	99
Endogenous Messenger RNA-Stimulative Self-Enhanced Orthogonal Catalytic DNA Nanomachine under Near-Infrared Light Mediation for High-Performance Imaging in Living Biosamples	99
Systematic Evaluation of Chromatographic Peak Quality for Targeted Mass Spectrometry via Variational Autoencoder	98
Single Cell Phenotypic Analysis for Cancer Stem Cell Identification by Dual-Isotope ICP-QMS	98
A Current Averaging Strategy for Maximizing Analyte and Minimizing Redox Interference Signals with Square Wave Voltammetry	97
Miniaturized Laser Probe for Exosome-Based Cancer Liquid Biopsy	96
Acidic Extracellular pH-Activated Allosteric DNA Nanodevice for Fluorescence Imaging of APE1 Activity in Tumor Cells	96
Mass Spectrometry Imaging of Amino Acids Enabled by Quaternized Pyridinium Salt MALDI Probe	95
Analysis of Peptides and Proteins by Native and SDS Capillary Gel Electrophoresis Coupled to Electrospray Ionization Mass Spectrometry via a Closed-Circuit Coaxial Sheath Flow Reactor Interface	95
Poly(glycidyl methacrylate-co-ethylene glycol dimethacrylate) Monolith with Dual Porosity for Size Exclusion Chromatography	95
Data-Driven Version of Multiway Soft Independent Modeling of Class Analogy (N-Way DD-SIMCA): Theory and Application	95
Multiple Ion Charge Extraction (MICE) for High-Throughput Charge Detection Mass Spectrometry	93
Enantiomeric Separation of Triacylglycerols Consisting of Three Different Fatty Acyls and Their Chiral Chromatographic Elution Behavior	91
Ultrasensitive Electrochemiluminescence Imaging Detection of Multiple miRNAs in Single Cells with a Closed Bipolar Electrode Array Chip	90
Image Sensing of Gaseous Acetone Using Secondary Alcohol Dehydrogenase-Immobilized Mesh for Exhaled Air	90
Dependence of Nonlinear Electrophoresis on Particle Size and Electrical Charge	89
Sensitive Cancer Hypoxia Detection via a Dual-Locking Fluorescence Response System Using Two Hypoxia Indicators	89
Chloramine-T-Enabled Mass Spectrometric Analysis of C═C Isomers of Unsaturated Fatty Acids and Phosphatidylcholines in Human Thyroids	88
Enalomics: A Mass Spectrometry-Based Approach for Profiling, Identifying, and Semiquantifying Enals in Biological Samples	88
Cancer Serum Atlas-Supported Precise Pan-Targeted Proteomics Enable Multicancer Detection	88
Construction and Preliminary Evaluation of Two ¹⁸F-Labeled Radiopharmaceuticals for Myocardial Perfusion Imaging	88
Investigating the Metabolic Heterogeneity of Cancer Cells Using Functional Single-Cell Selection and nLC Combined with Multinozzle Emitter Mass Spectrometry	87
Upregulation of Formaldehyde in Parkinson’s Disease Found by a Near-Infrared Lysosome-Targeted Fluorescent Probe	87
A Lateral Flow Biosensor Based on Isothermal Amplification for Visual Identification of Species and Sex from Bloodstain	87
Lewis Acidic Metal–Organic Framework Assisted Ambient Liquid Extraction Mass Spectrometry Imaging for Enhancing the Coverage of Poorly Ionizable Lipids in Brain Tissue	86
Monitoring Bipolar Electrochemistry and Hydrogen Evolution Reaction of a Single Gold Microparticle under Sub-Micropipette Confinement	86
Fluorescence-On Imaging of Reticulophagy Enabled by an Acidity-Reporting Solvatochromic Probe	86

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	85
Characterization of Higher Order Structural Changes of a Thermally Stressed Monoclonal Antibody via Mass Spectrometry Footprinting and Other Biophysical Approaches	84
Visualization of the Ferroptosis in Atherosclerotic Plaques with Nanoprobe Engineered by Macrophage Cell Membranes	84
Personalized Medical Devices Connect Monitoring and Assistance: Emerging Wearable Soft Robotics	84
Dynamic Monitoring of Biomolecular Hydrodynamic Dimensions by Magnetization Motion on Quartz Crystal Microbalance	83
Performance Evaluation of Extraction Coatings with Different Sorbent Particles and Binder Composition	82
Do Anti-tuberculosis Drugs Reach Their Target?─High-Resolution Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry Imaging Provides Information on Drug Penetration into Necrotic Granulomas	82
Step Change in Improving the Accuracy of Nitrous Oxide Reference Materials for Underpinning Atmospheric Composition Measurements	82