OOIR: Observatory of International Research

Papers

(The H4-Index of TRAC-Trends in Analytical Chemistry is 76. 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 2021-09-01 to 2025-09-01.)

Article	Citations
Editorial Board	728
Editorial	485
Editorial Board	302
Applications of thread-based microfluidics: Approaches and options for detection	221
3D printed microfluidics for cell biological applications	186
Design strategies and applications of responsive metal-based luminescence probes in the bioanalysis	166
Unique role of molecular imaging probes for viral infection	152
On the road to automation: a comparative review on chemometric strategies for GC-MS data analysis	151
Single-molecule detection-based super-resolution imaging in single-cell analysis: Inspiring progress and future prospects	149
Multidimensional single-cell analysis: Diverse strategies and emerging applications in the life sciences	145
Analytical and biomedical applications of microfluidics in traditional Chinese medicine research	137
Hydroxyapatite-based composites as efficient sorbents: Fabrication and application in sample preparation techniques	137
Micro- and nanoscale sensing of volatile organic compounds for early-stage cancer diagnosis	136
Concomitant presence of nanosized plastics and metal(loid)s: is there cause for alarm? State-of-the-art and recommendations for future studies	136
From exogenous to endogenous: Advances in in vivo sampling in living systems	134
High-end ion mobility mass spectrometry: A current review of analytical capacity in omics applications and structural investigations	129
Microscale thermophoresis (MST) and spectral shift (SpS) in drug discovery	128
Advancements in magnetic aptasensors: Recent progress and future trends in biosensor technology	127
Novel developments in capillary electrophoresis miniaturization, sampling, detection and portability: An overview of the last decade	125
Advances in interferometric sensors for the detection of food contaminants	123
Single-cell spatial (scs) omics: Recent developments in data analysis	120
Greenness of analytical methods for the study of metal-containing nanoparticles in biomedical samples, personal care products and food	120
Optical biosensors utilising viral receptors ACE2 and ACE2 mimics	118
Mapping micro(nano)plastics in various organ systems: Their emerging links to human diseases?	117
Toxicity mechanisms and alleviation strategies of micro/nanoplastics to animals: A review	115

Advancements in detection techniques for per- and polyfluoroalkyl substances: A comprehensive review	115
Recent advances in flexible sensors: From sensing materials to detection modes	113
Advance on the sample preparation and analytical methods for water disinfection byproducts	110
Galectins detection for the diagnosis of chronic diseases: An emerging biosensor approach	108
Advances and challenges in the selective extraction of low molecular weight carbohydrates using ionic liquids and deep eutectic solvents	105
High-throughput optical assays for sensing serine hydrolases in living systems and their applications	105
Electrochemical sensing of human hormones	104
Recent developments and future perspectives of chiral liquid chromatography for food safety and quality	104
Recent advances in metal–organic frameworks as emerging platforms for immunoassays	104
Nanofibers prepared from synthetic polymers and biopolymers as advanced extraction materials for sample preparation prior to liquid chromatography	103
CRISPR-Cas assisted diagnostics: A broad application biosensing approach	103
Molecularly imprinted polymer-modified carbon paste electrodes (MIP-CPE): A review on sensitive electrochemical sensors for pharmaceutical determinations	100
Current issues and perspectives in nanosensors-based artificial olfactory systems for breath diagnostics and environmental exposure monitoring	100
On-line supercritical fluid extraction-supercritical fluid chromatography (SFE-SFC) at a glance: A coupling story	100
Recent advancements in biosensors for diagnosis of ovarian cancer: Analytical approaches	100
Mass spectrometry based metabolomics of volume-restricted in-vivo brain samples: Actual status and the way forward	99
Applications of nanomaterial-based chemiluminescence sensors in environmental analysis	99
Playing with biological selectivity: Antimicrobial peptides and bacteriophages-based optical biosensors for pathogenic bacteria detection	97
Advances in optical devices for the detection of contaminants in food and water	95
Recent advances in cell membrane-coated technology for drug discovery from natural products	95
Microneedle wearables in advanced microsystems: Unlocking next-generation biosensing with AI	94
A comprehensive review on ecological effects of microplastic pollution: An interaction with pollutants in the ecosystems and future perspectives	93
Advances in imaging techniques for real-time microbial visualization in wastewater treatment reactors: Challenges, applications, and process optimization	92
Deciphering the research of Micro(nano)plastics: An in-depth bibliometric expedition into ecotoxicological impacts and research trends	91
High-throughput mass spectrometry imaging of biological systems: Current approaches and future directions	91
Novel sorptive extraction techniques in bioanalysis evaluated by Blue Applicability Grade Index: The paradigm of fabric phase sorptive extraction and capsule phase microextraction	90
Ion mobility Mass Spectrometry for Glycomics: Challenges and Opportunities When Met with Artificial Intelligence	90
Cellulose immobilization strategies for paper-based immunoassays	90
Applications of metal organic frameworks in point of care testing	89
A critical review of acrylamide green extraction and determination in food matrices: Current insights and future perspectives	89
Emerging single-cell microfluidic technology for microbiology	89
Analytical performance of electrochemical surface-enhanced Raman spectroscopy: A critical review	88
Synergizing Machine Learning and fluorescent biomolecules: A new era in sensing platforms	88
Innovative nanozyme-based detection methods for biomarkers in interstitial fluid	87
Editorial Board	87
Tracing per- and polyfluoroalkyl substances (PFASs) in the aquatic environment: Target analysis and beyond	85
Optical microscopic and spectroscopic detection of exosomes	84
Neonatal point-of-care testing	84
Recent advancements in polyaniline-based biosensors for diagnosis of cancers: A comprehensive review	83
Evolution in understandings of the design, optimization, and application of sorbent-based extraction devices	83
Nanomaterial-based chemiluminescence systems for tracing of reactive oxygen species in biosensors	82
Bio-inspired approaches for explosives detection	81
Machine learning-assisted carbon dots synthesis and analysis: State of the art and future directions	80
Fluorescent nanozymes: Emerging versatile materials advancing analytical chemistry	79
Advancement in exosome isolation and label-free detection towards clinical diagnosis	79
Fluorogenic toolbox for visualizing protein aggregation: From designing principles to biological application	79
Recent chemical mixing devices for time-resolved serial femtosecond crystallography	78
Liquid crystal-based biosensors as lab-on-chip tools: Promising for future on-site detection test kits	78
Analytical methods for biomonitoring organic chemical hazards in saliva: A systematic review	77
Probing protein higher-order structures by native capillary electrophoresis-mass spectrometry	77

Advances in analytical technologies detecting and characterizing noncovalent interactions for fragment-based drug discovery	77
Merging microfluidics with luminescence immunoassays for urgent point-of-care diagnostics of COVID-19	76