OOIR: Observatory of International Research

Papers

(The H4-Index of Sensors and Actuators B-Chemical is 81. 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
High-performance amperometric carbon monoxide sensor based on a xerogel-modified PtCr/C microelectrode	272
Sensing multiplex microRNAs using dual-functional fork-type-track DNA nanomachine on optical fiber	213
Label-free detection of hemoglobin using GSH-AuAg NPs as fluorescent probe by dual quenching mechanism	202
Cu2+–diethylaminosalicylaldehyde self-dimer for regulation of DNA amplification with changes in fluorescence	198
Hierarchical porous Fe2O3 derived from willow branch slices biotemplate with fast response and excellent selectivity for acetone	182
A simple approach for effectively improving the resolution of scanning electrochemical cell microscopy	174
Quantitative microfluidic assay to measure neutralizing and total antibodies for SARS-CoV-2	169
The effect of electroactive length and intrinsic conductivity on the actuation behaviour of conducting polymer-based yarn actuators for textile muscles	168
Protonic conduction induced selective room temperature hydrogen response in ZnO/NiO heterojunction surfaces	163
Bioorthogonal imaging probe for STING protein in live cell and fixed tissue	159
Aluminium-copper-mesoporous silica molecular sieve-enabled dual-signal point-of-care aptasensor with integrated temperature and multicolor readout	153
Dual-responsive ratiometric fluorescence detection of Ce4+ and ascorbic acid by regulating oxidase-mimicking activity of Ce4+-based nanocomplex	150
Selectivity toward H2S against various gaseous disease markers in exhaled breath of flame-produced CuOx-loaded SnO2 nanosensors	146
Photoacoustic trace-analysis of breath isoprene and acetone via interband- and Quantum Cascade Lasers	134
Flower sphere-like Cu2O/CuO heterostructure derived from Cu-coordination polymer for enhancing Cl2 sensing at low-power consumption	128
Self-assembled dipeptide grafted nanohybrid material strips for reliable spectroscopic and electrochemical recognition of tryptamine	127
CRISPR-Cas12a accessory cleavage activity triggering electrochemiluminescence biosensor for adenosine triphosphate detection	124
Ultrasensitive miRNA-135a-5p biochip for early Alzheimer's disease detection utilizing magneto-optical faraday effect and magnetoplasmonic nanoparticles	122
Quantitative principal component analysis of multiple metal ions with lanthanide coordination polymer networks	121
Investigating the thermally induced p-n transition in reduced graphene oxide layers exposed to hydrogen sulfide	120
Calcium-driven DNA artificial muscle inspired by natural muscle contraction	120
Construction of a ratiometric two-photon ER-targeting fluorescent probe for the imaging of peroxynitrite in living systems	120
SPR biosensor chip based on mannan isolated from Candida dubliniensis yeasts applied in immunization effectiveness testing	120
Real-time monitoring of CO2 gas using inverse opal photonic gel containing Poly(2-(dimethylamino)ethylmethacrylate	119
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	118

Confinement of gold nanoclusters on hydroxy double salt for versatile fluorescent sensing of bio-enzymes	118
“On-off” SERS sensor triggered by IDO for non-interference and ultrasensitive quantitative detection of IDO	116
Triphenylamine-based silsesquioxane derivatives for multiple anion recognition via anion effect and solvent effect	112
Materials for optical oxygen sensing under high hydrostatic pressure	111
Regenerable bead-based microfluidic device with integrated thin-film photodiodes for real-time monitoring of DNA detection	110
A simple and efficient approach to sensitize the fluorescence detection to microwell plate	109
Screening and comparative studies of conducting polymers for developing effective molecular imprinted sensors for copper, zinc superoxide dismutase	109
The Ohm-azing custom-made Transendothelial Electrical Resistance measuring device (and why is it a current sensation?)	108
Click reaction-based single-particle dark-field microscopy: A visual platform for the highly sensitive and selective detection of pyrophosphatase	107
A flexible SALDI-MS substrate for no background interference detection	107
From fundamental materials chemistry to sensing applications: Unravelling the water adsorption mechanism of a luminescent optical fibre sensor membrane	106
Multifunctional chemosensor for tracing Ga(III), hypochlorite and pH change with bioimaging in living cells, Pseudomonas aeruginosa and Zebrafish	105
Ultrasensitive label-free electrochemical immunosensors for detecting marine medaka (Oryzias melastigma) vitellogenin based on novel Cu2O–BSA nanoparticles and anti-lipovitellin monoclonal antibody	104
Antibody-powered lighting-up fluorescence immunosensor based on hemin/G-quadruplex-quenched DNA-hosted dual silver nanoclusters as emitters	103
Dual-channel microfluidic paper-based fluorescent immunosensor for simultaneous detection of aflatoxin B1 and capsaicin in edible oils	99
Influence of microheater patterns: MoSi2-SnO2 as energy-saving chemiresistors for gas sensing applications	99
Silicate marine electrochemical sensor	99
Design of a triple-functional polyA-probe: Toward a facile electrochemical aptasensor for vanillin detection	96
High-valence Mo(VI) derived from in-situ oxidized MoS2 nanosheets enables enhanced electrochemical responses for nitrite measurements	96
Cross-Halbach magnetic levitation configuration for density-based measurement, separation and detection	93
Dual-label vertical flow-based electrochemical immunosensor for rapid and simultaneous detection of hepatitis B surface and e virus antigens	93
On-site enrichment and detection of live Salmonella typhimurium using a bioluminescence sensor coupled with a hyperbranched aptamer probe-labelled stir-bars array	93
Interfacial oxygen vacancies and energy-level engineering on CeO2-PPy-rGO nanocomposites towards boosted NO2 sensor performance	93
A large-dynamic range conductivity-modulated PANI online analysis and sensing platform for ammonia gas detection using coupled optical probing mode	93
Plasmon-assisted fast colorimetric detection of bacterial nucleases in food samples	92
Editorial Board	90
Evaluation of the performance characteristics of a new chemical sensor, device, or method	90
A solid-phase porphyrin and boron-dipyrromethene sensing platform for the infestation detection of two main hidden pests in rice	89
Editorial Board	89
Continuous centrifugal microfluidics identifies the marker and size heterogeneity of circulating trophoblasts for accurate non-invasive prenatal diagnosis	89
Editorial Board	89
Multiple signal amplification and selective recognition reactions-assisted homogeneous binary visual aptasensor of tuberculosis interferon γ in clinical samples	88
An alkaline phosphatase-induced immunosensor for SARS-CoV-2 N protein and cardiac troponin I based on the in situ fluorogenic self-assembly between N-heterocyclic boronic acids and alizarin red S	87
Editorial Board	87
2D/2D {001}TiO2-/Ti3C2T composite with ultra-high sensing performance for NO2 at room temperature	86
Preface to the virtual special issue in the honor of Prof. Ernő Pretsch	85
Potentiometric enzymatic aptasensing of paralytic shellfish toxins using graphene-wrapped magnetic nanospheres and an all-solid-state cadmium-selective microelectrode	85
Respirometric sensor vials for rapid and selective detection of coliforms in raw milk	85
Portable, facile microfluidic platform using a low-cost vacuum pump for multiplex biomarker detection in human samples	84
Synthesis of Er(III)-based porphyrin metal-organic frameworks for rapid detection of sulfide ions with triple-signal output	84
Temperature/pH dual response hydrogel functionalized U-shaped optical fiber sensor for Pb2+ detection	84
High resolution, large height interdigital electrodes fabricated by non-contact electric-field-driven micro-3D printing	84
Dual mid-infrared wavelength Faraday rotation spectroscopy NOx sensor based on NdFeB ring magnet array	84
Hierarchical CaTiO3 microspheres for acetone sensing	84
A fluorescent aptasensor based on ZIF-8 @PdNCs and DNA-AgNCs for tobramycin detection in milk	84
Synergistic effect of NiFe2O4 and MWCNTs for ppb-level acetone detection at 150 °C	84
Enhanced sensitivity of zinc phthalocyanine-based microporous humidity sensors by varying size of electrode gaps	83
Reduction of non-specific adsorption in label-free assays via reversible surface blocking with amphiphilic sugars	83
A novel fluorescence sensor for sensitive detection of zearalenone using a polyvinylpyrrolidone-modified Zr(IV)-based metal-organic framework	83
Narrow-band multi-component gas analysis based on photothermal spectroscopy and partial least squares regression method	83

Nanoscale crack generation of Au/Ag nanopillars by in situ galvanic replacement for sensitive, label-free, and rapid SERS detection of toxic substances	83
Bacterial concentration and detection using an ultrasonic nanosieve within a microfluidic device	82
Experimental investigation on the physical parameters of ionic polymer metal composites sensors for humidity perception	82
Photothermal multi-species detection in a hollow-core fiber with frequency-division multiplexing	82
Sensitively humidity-driven actuator and sensor derived from natural skin system	82
V2CTx MXene/Ni-metal organic framework-derived V2O5/NiO nanohybrid methane sensors for fault detection of lithium-ion battery	82
Synthesis of highly selective molecularly imprinted nanoparticles by a solid-phase imprinting strategy for fluorescence turn-on recognition of phospholipid	81
Atmospheric pressure difference centrifuge for stable and consistent plasma separation	81
A NIR fluorescent probe for rapid turn-on detection and bioimaging of hypochlorite anion	81