OOIR: Observatory of International Research

Papers

(The H4-Index of Sensors and Actuators B-Chemical is 78. 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 2022-06-01 to 2026-06-01.)

Article	Citations
Bioorthogonal imaging probe for STING protein in live cell and fixed tissue	324
Continuous centrifugal microfluidics identifies the marker and size heterogeneity of circulating trophoblasts for accurate non-invasive prenatal diagnosis	170
Reversible pyrene-based fluorescent silica-polymeric hybrid materials: Utilization from selective probing of dopamine in cancer cells and zebrafish to cancer theranostic agents	170
Empirical enhancement factors for trace moisture in nitrogen and argon: Bridging measurement principles	158
Switchable operating modes enable low power consumption and improved gas sensing efficiency in MoS2/BP heterojunction	154
Multi-interfacial bio-hybrid hydrogel engineering of Alg-Cys polymer coupled with Au nanoparticles as hierarchical excellent electrocatalyst for the detection of prostate cancer drug in human biologic	153
Peptide self-assembly (PSA) nanoparticle-based nanoscale organic framework (PSAOF): A smart photochemical assays for pyrethroid	146
Dual-label vertical flow-based electrochemical immunosensor for rapid and simultaneous detection of hepatitis B surface and e virus antigens	143
Hierarchical porous Fe2O3 derived from willow branch slices biotemplate with fast response and excellent selectivity for acetone	139
Sensitively humidity-driven actuator and sensor derived from natural skin system	137
Editorial Board	129
Scandium-mediated photosensitization oxidation: A new strategy for fast and neutral pH colorimetric detection of cocaine by coupling split aptamer	129
Editorial Board	128
A simple approach for effectively improving the resolution of scanning electrochemical cell microscopy	126
Cu2+–diethylaminosalicylaldehyde self-dimer for regulation of DNA amplification with changes in fluorescence	126
Respirometric sensor vials for rapid and selective detection of coliforms in raw milk	123
The Ohm-azing custom-made Transendothelial Electrical Resistance measuring device (and why is it a current sensation?)	122
Editorial Board	119
Discovery of the correlation between the suspended membrane capacitance and adherent morphology of single cells enriching from clinical pleural effusion revealed by a microfluidic impedance flow cytom	117
Concentration recognition of gas sensor with organic field-effect transistor assisted by artificial intelligence	116
Solution-processable quinoidal compounds containing heterocycle for air-stable n‑type organic field-effect transistors and gas sensors	113
Photoacoustic trace-analysis of breath isoprene and acetone via interband- and Quantum Cascade Lasers	113
Automated Papanicolaou staining system (PapDisc) based on centrifugal microfluidics using cut-off valves	112
From fundamental materials chemistry to sensing applications: Unravelling the water adsorption mechanism of a luminescent optical fibre sensor membrane	111
Development of folding-based and signal-amplified fluorescence aptasensors using G-quadruplex quinclorac aptamer variants engineered via exonuclease digestion and circular dichroism spectroscopy	110

Nitrogen-doped carbon dot and DNA tetrahedron nanostructure based electrochemiluminescence aptasensor for AFB1 detection	109
Highly sensitive electrochemiluminescence biosensor based on novel TiO2-porphyrin organic framework with self-enhanced luminescent property	108
Ni-Co-P hollow nanobricks enabled humidity sensor for respiratory analysis and human-machine interfacing	108
Cross-Halbach magnetic levitation configuration for density-based measurement, separation and detection	106
Bacteriophage-IgG dual recognition system: An antibody-free platform for highly-efficient S. aureus capture and detection	105
Self-assembly monolayer fluorescent probe on alumina substrate enabling highly sensitive detection of arsenite ions in groundwater	105
Synergistic effect of Pd and Fe2O3 nanoparticles embedded in porous NiO nanofibers on hydrogen gas detection: Fabrication, characterization, and sensing mechanism exploration	104
Hierarchically In2S3@In2O3 nanorods heterojunctions for enhanced NO2 sensing at lower operating temperature	103
Construction of a ratiometric two-photon ER-targeting fluorescent probe for the imaging of peroxynitrite in living systems	103
An intelligent portable point-of-care testing (POCT) device for on-site quantitative detection of TNT explosive in environmental samples	101
Screening and diagnosis of colorectal cancer using nucleic acid aptamers targeting Solobacterium moorei: Development of electrochemical sensors for clinical application	101
An ultra-sensitive and highly selective fluorescent probe for nickel ions and its environmental and biological applications	100
Novel highly sensitive conductometric biosensor based on arginine deiminase from Mycoplasma hominis for determination of arginine	99
Click reaction-based single-particle dark-field microscopy: A visual platform for the highly sensitive and selective detection of pyrophosphatase	98
Quantitative microfluidic assay to measure neutralizing and total antibodies for SARS-CoV-2	97
Study of a palladium nanoparticle/ In-Zn-O thin film-based hydrogen gas sensor	97
Enzymatic ablation of bimetallic Au@Ag nanocomposites enabling the smartphone-based colorimetric visualization of S1 nuclease	97
Potentiometric enzymatic aptasensing of paralytic shellfish toxins using graphene-wrapped magnetic nanospheres and an all-solid-state cadmium-selective microelectrode	95
Preface to the virtual special issue in the honor of Prof. Ernő Pretsch	95
Evaluation of the performance characteristics of a new chemical sensor, device, or method	90
Electronic structure modulation via Ce-doped polyoxometalates derived WO3 nanosheets for ultrasensitive hydrogen detection	89
Targeted conversion from mitochondria to lipid droplets of nitrostyrylindolium by inserting only a styryl group	88
Highly sensitive detection of epithelial markers on single tumor cell surface by an endonuclease-assisted assay on superwettable droplet microarrays (EASDM)	88
Highly sensitive and visual dual-mode quinine sensor based on small molecule-templated split aptamer click ligation reaction	88
Rapid identification of sulfur defect levels in MoS₂ and MoSe₂ nanomaterials and their reaction with thiol molecules through defect-induced dimerization of 5-thio-2-nitrobenzoic acid	88
Feasibility of using spiral MWCNT-COOH@DBSA-PANI to measure ammonia concentration and non-contact gap	88
A novel liquid crystal aptasensor via DNA aptamer conformational change for on-site detection of cocaine in sewage	88
Target-induced photoelectrochemistry and colorimetric dual-mode platform for HIgG based on Ag2S/SnO2 composites and CoOOH nanoflakes	87
Defect-engineered WO3-X pollen-like architectures for highly sensitive and selective detection of Listeria biomarkers	87
Long-lasting chemiluminescence sensor based on mesoporous CoNiMn trimetallic nanozyme and target conversion-triggered cyclic enzymatic signal amplification for precise exosome detection	87
The effect of electroactive length and intrinsic conductivity on the actuation behaviour of conducting polymer-based yarn actuators for textile muscles	87
Hollow-core-fiber photothermal spectroscopy based on Mach-Zehnder white-light demodulator	86
Machine learning-enhanced dual-mode 3D-printed sensing platform for ultrasensitive detection and prediction of kanamycin bioaccumulation in fish tissues	86
A fluorescent aptasensor based on ZIF-8 @PdNCs and DNA-AgNCs for tobramycin detection in milk	86
Editorial Board	85
Revisiting camera-based calibration of oxygen optodes: Error sources, empirical alternatives, and practical guidelines for end-users	85
Biomolecule-friendly conducting PEDOT interface for long-term bioelectronic devices	84
Screening and comparative studies of conducting polymers for developing effective molecular imprinted sensors for copper, zinc superoxide dismutase	84
Lab-in-a-fiber for ultrasensitive Hg2+ detection	84
Tin oxide nanoparticles anchored on ordered mesoporous carbon for efficient acetone sensing	83
An electrospun sensing label based on poly (vinyl alcohol)-Ag-grape seed anthocyanidin nanofibers for smart, real-time meat freshness monitoring	82
High resolution, large height interdigital electrodes fabricated by non-contact electric-field-driven micro-3D printing	82
Programmable 3D DNA nanotweezers combined with frozen gold probes for the detection of ochratoxin A	82
A smartphone-controlled portable multiplexed photoelectrochemical sensor based on dual UV intelligent response system-assisted signal resolution strategy	82
Controllable synthesis and crystal facet, composition and temperature dependent gas sensing properties of Sn1−xS-CdS superlattice nanowires with ultrafast response	82
Single-enzymatic (AChE/ChOx) colorimetric detection of organophosphorus pesticides based on controllable nanoparticles supported by FeCoCu flower-like structure with peroxidase-like activity	81
Multiple signal amplification and selective recognition reactions-assisted homogeneous binary visual aptasensor of tuberculosis interferon γ in clinical samples	81
Selectivity toward H2S against various gaseous disease markers in exhaled breath of flame-produced CuOx-loaded SnO2 nanosensors	80
Pd@Pt nanoparticles: Trienzyme catalytic mechanisms, surface-interface effect with DNA and application in biosensing	79
High performance bimetal decorated PtNix-WO3 sensors and the cross-sensitivity investigation	79

CRISPR-mediated 3D nanostructured surface plasmon resonance imaging biosensor for highly sensitive microRNA detection	78
Biocompatible salt-enhanced thin porous humidity sensor for human interaction sensing	78
Facile and cost-effective PDMS double-casting method based on curing temperature and ratio for solvent detecting applications	78
Self-assembled dipeptide grafted nanohybrid material strips for reliable spectroscopic and electrochemical recognition of tryptamine	78
Integrated multi-channel microfluidic biosensing chip based on chain amplified enhanced fluorescence for determination of SEs	78
Bacterial concentration and detection using an ultrasonic nanosieve within a microfluidic device	78