OOIR: Observatory of International Research

Papers

(The H4-Index of Sensors and Actuators B-Chemical 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 2021-06-01 to 2025-06-01.)

Article	Citations
High-performance amperometric carbon monoxide sensor based on a xerogel-modified PtCr/C microelectrode	278
Sensing multiplex microRNAs using dual-functional fork-type-track DNA nanomachine on optical fiber	224
Cu2+–diethylaminosalicylaldehyde self-dimer for regulation of DNA amplification with changes in fluorescence	218
A simple approach for effectively improving the resolution of scanning electrochemical cell microscopy	204
The effect of electroactive length and intrinsic conductivity on the actuation behaviour of conducting polymer-based yarn actuators for textile muscles	182
Protonic conduction induced selective room temperature hydrogen response in ZnO/NiO heterojunction surfaces	178
Bioorthogonal imaging probe for STING protein in live cell and fixed tissue	176
Aluminium-copper-mesoporous silica molecular sieve-enabled dual-signal point-of-care aptasensor with integrated temperature and multicolor readout	173
Photoacoustic trace-analysis of breath isoprene and acetone via interband- and Quantum Cascade Lasers	165
Dual-responsive ratiometric fluorescence detection of Ce4+ and ascorbic acid by regulating oxidase-mimicking activity of Ce4+-based nanocomplex	165
Self-assembled dipeptide grafted nanohybrid material strips for reliable spectroscopic and electrochemical recognition of tryptamine	155
Flower sphere-like Cu2O/CuO heterostructure derived from Cu-coordination polymer for enhancing Cl2 sensing at low-power consumption	155
CRISPR-Cas12a accessory cleavage activity triggering electrochemiluminescence biosensor for adenosine triphosphate detection	150
Ultrasensitive miRNA-135a-5p biochip for early Alzheimer's disease detection utilizing magneto-optical faraday effect and magnetoplasmonic nanoparticles	136
Quantitative principal component analysis of multiple metal ions with lanthanide coordination polymer networks	133
Investigating the thermally induced p-n transition in reduced graphene oxide layers exposed to hydrogen sulfide	131
Real-time monitoring of CO2 gas using inverse opal photonic gel containing Poly(2-(dimethylamino)ethylmethacrylate	126
Calcium-driven DNA artificial muscle inspired by natural muscle contraction	126
Confinement of gold nanoclusters on hydroxy double salt for versatile fluorescent sensing of bio-enzymes	124
“On-off” SERS sensor triggered by IDO for non-interference and ultrasensitive quantitative detection of IDO	124
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	124
Triphenylamine-based silsesquioxane derivatives for multiple anion recognition via anion effect and solvent effect	123
A simple and efficient approach to sensitize the fluorescence detection to microwell plate	122
Materials for optical oxygen sensing under high hydrostatic pressure	122
The Ohm-azing custom-made Transendothelial Electrical Resistance measuring device (and why is it a current sensation?)	121

A flexible SALDI-MS substrate for no background interference detection	121
From fundamental materials chemistry to sensing applications: Unravelling the water adsorption mechanism of a luminescent optical fibre sensor membrane	120
Ultrasensitive label-free electrochemical immunosensors for detecting marine medaka (Oryzias melastigma) vitellogenin based on novel Cu2O–BSA nanoparticles and anti-lipovitellin monoclonal antibody	117
Antibody-powered lighting-up fluorescence immunosensor based on hemin/G-quadruplex-quenched DNA-hosted dual silver nanoclusters as emitters	114
Influence of microheater patterns: MoSi2-SnO2 as energy-saving chemiresistors for gas sensing applications	113
Dual-channel microfluidic paper-based fluorescent immunosensor for simultaneous detection of aflatoxin B1 and capsaicin in edible oils	113
Cross-Halbach magnetic levitation configuration for density-based measurement, separation and detection	111
Design of a triple-functional polyA-probe: Toward a facile electrochemical aptasensor for vanillin detection	111
A large-dynamic range conductivity-modulated PANI online analysis and sensing platform for ammonia gas detection using coupled optical probing mode	110
Editorial Board	109
Evaluation of the performance characteristics of a new chemical sensor, device, or method	109
A solid-phase porphyrin and boron-dipyrromethene sensing platform for the infestation detection of two main hidden pests in rice	108
Editorial Board	108
Continuous centrifugal microfluidics identifies the marker and size heterogeneity of circulating trophoblasts for accurate non-invasive prenatal diagnosis	106
Editorial Board	102
Multiple signal amplification and selective recognition reactions-assisted homogeneous binary visual aptasensor of tuberculosis interferon γ in clinical samples	101
Editorial Board	99
2D/2D {001}TiO2-/Ti3C2T composite with ultra-high sensing performance for NO2 at room temperature	98
Preface to the virtual special issue in the honor of Prof. Ernő Pretsch	97
Potentiometric enzymatic aptasensing of paralytic shellfish toxins using graphene-wrapped magnetic nanospheres and an all-solid-state cadmium-selective microelectrode	97
Portable, facile microfluidic platform using a low-cost vacuum pump for multiplex biomarker detection in human samples	96
Respirometric sensor vials for rapid and selective detection of coliforms in raw milk	96
High resolution, large height interdigital electrodes fabricated by non-contact electric-field-driven micro-3D printing	94
Reduction of non-specific adsorption in label-free assays via reversible surface blocking with amphiphilic sugars	93
Enhanced sensitivity of zinc phthalocyanine-based microporous humidity sensors by varying size of electrode gaps	93
A fluorescent aptasensor based on ZIF-8 @PdNCs and DNA-AgNCs for tobramycin detection in milk	93
V2CTx MXene/Ni-metal organic framework-derived V2O5/NiO nanohybrid methane sensors for fault detection of lithium-ion battery	91
Sensitively humidity-driven actuator and sensor derived from natural skin system	91
Bacterial concentration and detection using an ultrasonic nanosieve within a microfluidic device	91
Photothermal multi-species detection in a hollow-core fiber with frequency-division multiplexing	90
Atmospheric pressure difference centrifuge for stable and consistent plasma separation	90
An ultra-sensitive and highly selective fluorescent probe for nickel ions and its environmental and biological applications	89
Study of a palladium nanoparticle/ In-Zn-O thin film-based hydrogen gas sensor	89
Registration of small (below 1%) changes of calcium ion concentration in aqueous solutions and in serum by the constant potential coulometric method	89
Fluorescence imaging of glutathione with aptasensor and monitoring deoxynivalenol-induced oxidative stress in living cells	89
Concentration recognition of gas sensor with organic field-effect transistor assisted by artificial intelligence	88
Enrichment-enhanced photoacoustic spectroscopy based on vertical graphene	87
Near-infrared absorption and emission probes with optimal connection bridges for live monitoring of NAD(P)H dynamics in living systems	87
A centrifugal microfluidic platform for rapid detection of pathogens based on chitosan nucleic acid extraction and RAA-T7-CRISPR/Cas13a nucleic acid detection	86
A mixed-potential type NH3 sensors based on spinel Zn2SnO4 sensing electrode	86
Peptide self-assembly (PSA) nanoparticle-based nanoscale organic framework (PSAOF): A smart photochemical assays for pyrethroid	86
Development of a novel humidity sensor for breath pattern recognition using large dislocation hollow core fiber infused with nano-carbon quantum water gel microfiber	86
Bimetal carbonaceous templates for multi-shelled NiCo2O4 hollow sphere with enhanced xylene detection	86
Development of folding-based and signal-amplified fluorescence aptasensors using G-quadruplex quinclorac aptamer variants engineered via exonuclease digestion and circular dichroism spectroscopy	86
Enzymatic ablation of bimetallic Au@Ag nanocomposites enabling the smartphone-based colorimetric visualization of S1 nuclease	86
Self-template synthesis of spherical mesoporous tin dioxide from tin-polyphenol-formaldehyde polymers for conductometric ethanol gas sensing	86
Engineering cotton fibers with zirconium metal-organic frameworks as a recyclable material for sensing and removing aflatoxins in water	86
Dual-emission samarium macrocycle as a lab-on-a-molecule enables high-throughput discrimination of anionic sulfonate surfactants	85
Characterization of the flow rate on lab-on-a-disc by a low-powered electrolysis pump for wireless-controlled automation of bioanalytical assays	85
AgNWs/Ti3C2Tx MXene-based multi-responsive actuators for programmable smart devices	84

Red emission nitrogen and zinc co-doped carbon dots as fluorescent sensor for reversible detection of peroxynitrite in living cells	84
Enhanced NO2 sensitivity of SnO2 SAW gas sensors by facet engineering	84
Sequential in situ self-assembly/dis-assembly of methylated quinoline silicon(Ⅳ) phthalocyanines: A lysosome two-photon probe and type I/II photodynamic synergistic photothermal therapeutic sensitizer	84
Single-enzymatic (AChE/ChOx) colorimetric detection of organophosphorus pesticides based on controllable nanoparticles supported by FeCoCu flower-like structure with peroxidase-like activity	84
Hydrophilic redox buffers for textile-based potentiometric sensors	83
A novel fluorescence sensor for sensitive detection of zearalenone using a polyvinylpyrrolidone-modified Zr(IV)-based metal-organic framework	83
Highly responsive and selective gas sensors utilizing ZIF-8/porous rGO/ZnO composites	83
Simulation monitoring of tetracyclines in wastewater based on fluorescence image processing and machine learning classifier	82
Construction of a ratiometric two-photon ER-targeting fluorescent probe for the imaging of peroxynitrite in living systems	82