OOIR: Observatory of International Research

Papers

(The H4-Index of TRAC-Trends in Analytical Chemistry is 86. 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
Editorial Board	485
Editorial Board	308
Unique role of molecular imaging probes for viral infection	214
Toxicity mechanisms and alleviation strategies of micro/nanoplastics to animals: A review	211
High resolution single-cell transcriptomics towards precision profiling across multi-omics and spatial dimensions	202
Advancing cancer diagnosis through surface plasmon resonance detection of extracellular vesicles	198
Next-generation point-of-care diagnostics for cervical cancer: Integrating programmable biorecognition, nanomaterials, and artificial intelligence	197
Micro- and nanoscale sensing of volatile organic compounds for early-stage cancer diagnosis	193
Advances and challenges in the selective extraction of low molecular weight carbohydrates using ionic liquids and deep eutectic solvents	187
From exogenous to endogenous: Advances in in vivo sampling in living systems	182
Compositions, sensing mechanisms, and analytical development of infinite coordination polymers in monitoring trace-level pollutants	175
On the road to automation: a comparative review on chemometric strategies for GC-MS data analysis	173
3D printed microfluidics for cell biological applications	172
Multidimensional single-cell analysis: Diverse strategies and emerging applications in the life sciences	169
Design strategies and applications of responsive metal-based luminescence probes in the bioanalysis	162
CRISPR/Cas system for real-time water quality monitoring: Advances and challenges	151
Single-molecule detection-based super-resolution imaging in single-cell analysis: Inspiring progress and future prospects	150
Greenness of analytical methods for the study of metal-containing nanoparticles in biomedical samples, personal care products and food	145
Preface to the special issue: Chemometrics	145
Technical constraints in translating paper-based CRISPR/Cas assays to wearable formats	142
Galectins detection for the diagnosis of chronic diseases: An emerging biosensor approach	141
Empowering Traditional Chinese Medicine with artificial intelligence: Innovations in quality control, therapeutic applications, and industrialization	139
Recent advances in ion mobility instrumentation for targeted analysis	138
Mapping micro(nano)plastics in various organ systems: Their emerging links to human diseases?	137
Genetically encoded fluorescent neurotransmitter sensors: A new frontier in molecular diagnostics and real-time brain imaging	134

Concomitant presence of nanosized plastics and metal(loid)s: is there cause for alarm? State-of-the-art and recommendations for future studies	131
Playing with biological selectivity: Antimicrobial peptides and bacteriophages-based optical biosensors for pathogenic bacteria detection	131
Optical biosensors utilising viral receptors ACE2 and ACE2 mimics	126
Single-cell spatial (scs) omics: Recent developments in data analysis	124
Microscale thermophoresis (MST) and spectral shift (SpS) in drug discovery	123
High-end ion mobility mass spectrometry: A current review of analytical capacity in omics applications and structural investigations	123
Advances in optical devices for the detection of contaminants in food and water	122
Field-effect transistor biosensors for monitoring cellular physiological activities: A comprehensive review	121
Electrochemical sensing of human hormones	121
High-resolution mass spectrometry strategies for profiling fluorinated pesticides and their transformation products in environmental matrices	119
Advances in interferometric sensors for the detection of food contaminants	117
Current issues and perspectives in nanosensors-based artificial olfactory systems for breath diagnostics and environmental exposure monitoring	113
Synthesis strategies to bring molecularly imprinted polymers closer to applications	112
Emergent analytical strategies and tools to track functional inorganic nanomaterials applied for sustainable agriculture	112
Novel developments in capillary electrophoresis miniaturization, sampling, detection and portability: An overview of the last decade	112
Applications of thread-based microfluidics: Approaches and options for detection	110
Molecularly imprinted polymer-modified carbon paste electrodes (MIP-CPE): A review on sensitive electrochemical sensors for pharmaceutical determinations	109
Recent advances in metal–organic frameworks as emerging platforms for immunoassays	109
Application of machine learning to improve the accuracy of electrochemical sensors: A review	109
Recent advances in flexible sensors: From sensing materials to detection modes	108
CRISPR-Cas assisted diagnostics: A broad application biosensing approach	105
Recent developments and future perspectives of chiral liquid chromatography for food safety and quality	104
Sustainable sorbents for dispersive solid-phase extraction in environmental analysis	104
Detection and impact assessment of polylactic acid microplastics in aquatic and sediment systems: Advances in analytical techniques	103
Overview of recent advances of Raman spectroscopy in molecular medicine	102
A comprehensive review on ecological effects of microplastic pollution: An interaction with pollutants in the ecosystems and future perspectives	102
Nanofibers prepared from synthetic polymers and biopolymers as advanced extraction materials for sample preparation prior to liquid chromatography	102
High-throughput mass spectrometry imaging of biological systems: Current approaches and future directions	101
Advance on the sample preparation and analytical methods for water disinfection byproducts	100
Recent advancements in biosensors for diagnosis of ovarian cancer: Analytical approaches	100
Advancements in detection techniques for per- and polyfluoroalkyl substances: A comprehensive review	100
Hydroxyapatite-based composites as efficient sorbents: Fabrication and application in sample preparation techniques	99
Advancements in magnetic aptasensors: Recent progress and future trends in biosensor technology	99
Advances in imaging techniques for real-time microbial visualization in wastewater treatment reactors: Challenges, applications, and process optimization	98
Microneedle wearables in advanced microsystems: Unlocking next-generation biosensing with AI	98
Applications of nanomaterial-based chemiluminescence sensors in environmental analysis	97
Analytical and biomedical applications of microfluidics in traditional Chinese medicine research	97
Optical microscopic and spectroscopic detection of exosomes	96
Smart materials as modifiers of capillary electromigration methods in bioanalysis	95
Flow-based automated systems coupled with luminescence detection for non-metal determination: A comprehensive review from 2000 till present	94
Fluorogenic toolbox for visualizing protein aggregation: From designing principles to biological application	94
Hydrogel sorbent-based sample preparation processes as green alternatives for the extraction of organic contaminants followed by chromatographic analysis	94
Novel sorptive extraction techniques in bioanalysis evaluated by Blue Applicability Grade Index: The paradigm of fabric phase sorptive extraction and capsule phase microextraction	94
Single-molecule microscopy for precision medicine and diagnostics	93
Analytical methods for biomonitoring organic chemical hazards in saliva: A systematic review	92
Recent advances towards the use of deep eutectic solvents and cyclodextrins in the extraction of food contaminants: From traditional sample pretreatment techniques to green microextraction and beyond	92
Covalent organic frameworks for next-generation biomedicine: from rational design to multimodal theranostics	91
Recent chemical mixing devices for time-resolved serial femtosecond crystallography	91
Fluorescent sensors for anthelmintic drug detection: Advances in materials, mechanisms, and analytical applications	90
Synergizing Machine Learning and fluorescent biomolecules: A new era in sensing platforms	90

Potential applications and challenges of novel ambient ionization mass spectrometric techniques in the emergency care for acute poisoning	89
Rediscovering similarity analysis of analytical signal: A not well-known mainstay of chemometrics	89
Nanomaterial-based chemiluminescence systems for tracing of reactive oxygen species in biosensors	88
A critical review of acrylamide green extraction and determination in food matrices: Current insights and future perspectives	88
Probing protein higher-order structures by native capillary electrophoresis-mass spectrometry	87
Recent advances in electrochemical sensing of cocaine: A review	87
Tracing per- and polyfluoroalkyl substances (PFASs) in the aquatic environment: Target analysis and beyond	87
Exhaled volatile organic compounds and respiratory disease: Recent progress and future outlook	86
Deciphering the research of Micro(nano)plastics: An in-depth bibliometric expedition into ecotoxicological impacts and research trends	86
Advances in protein sequencing: Techniques, challenges and prospects	86
Neonatal point-of-care testing	86
Evolution in understandings of the design, optimization, and application of sorbent-based extraction devices	86