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 2021-11-01 to 2025-11-01.)

Article	Citations
Bioorthogonal imaging probe for STING protein in live cell and fixed tissue	282
Sensing multiplex microRNAs using dual-functional fork-type-track DNA nanomachine on optical fiber	261
Aluminium-copper-mesoporous silica molecular sieve-enabled dual-signal point-of-care aptasensor with integrated temperature and multicolor readout	191
Intraoperative pathological diagnosis for breast cancer with a polarity fluorescent probe targeting lipid droplets	179
Photoluminescence switches with ultralarge stokes shift for cellular membrane lipid order imaging	153
Magnetic field-enhanced conductometric acetone gas sensing of multiferroic Bi0.92Dy0.08FeO3	148
Introducing oxygen vacancy in TiO/R-TiO2 via non-stoichiometric engineering for chloride-resistant sensitive COD electrochemical detection	144
A luminescent sensor based on in-situ formed copper nanocluster-loading terbium coordination polymer with multicolor response for identification of antibiotics	141
Atmospheric pressure difference centrifuge for stable and consistent plasma separation	138
Selectivity toward H2S against various gaseous disease markers in exhaled breath of flame-produced CuOx-loaded SnO2 nanosensors	138
Reversible pyrene-based fluorescent silica-polymeric hybrid materials: Utilization from selective probing of dopamine in cancer cells and zebrafish to cancer theranostic agents	135
From fundamental materials chemistry to sensing applications: Unravelling the water adsorption mechanism of a luminescent optical fibre sensor membrane	133
High resolution, large height interdigital electrodes fabricated by non-contact electric-field-driven micro-3D printing	131
Potentiometric enzymatic aptasensing of paralytic shellfish toxins using graphene-wrapped magnetic nanospheres and an all-solid-state cadmium-selective microelectrode	131
Preface to the virtual special issue in the honor of Prof. Ernő Pretsch	131
Continuous centrifugal microfluidics identifies the marker and size heterogeneity of circulating trophoblasts for accurate non-invasive prenatal diagnosis	130
Respirometric sensor vials for rapid and selective detection of coliforms in raw milk	126
Enrichment-enhanced photoacoustic spectroscopy based on vertical graphene	126
Untethered multifunctional biomimetic soft actuator with programmable shape deformation capabilities and localized maneuverability	125
Concentration recognition of gas sensor with organic field-effect transistor assisted by artificial intelligence	124
Characterization of the flow rate on lab-on-a-disc by a low-powered electrolysis pump for wireless-controlled automation of bioanalytical assays	113
Hierarchical porous Fe2O3 derived from willow branch slices biotemplate with fast response and excellent selectivity for acetone	113
Superfast fuel-free tubular hydrophobic micromotors powered by ultrasound	112
Target-induced photoelectrochemistry and colorimetric dual-mode platform for HIgG based on Ag2S/SnO2 composites and CoOOH nanoflakes	111
Peptide self-assembly (PSA) nanoparticle-based nanoscale organic framework (PSAOF): A smart photochemical assays for pyrethroid	110

Programmable 3D DNA nanotweezers combined with frozen gold probes for the detection of ochratoxin A	110
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	109
Specific and sequential detection of hydrogen sulfide and hypochlorous acid based on a ring-forming reaction and self-assembly	108
Hydrophilic redox buffers for textile-based potentiometric sensors	108
Empirical enhancement factors for trace moisture in nitrogen and argon: Bridging measurement principles	108
Solution-processable quinoidal compounds containing heterocycle for air-stable n‑type organic field-effect transistors and gas sensors	108
Editorial Board	106
The Ohm-azing custom-made Transendothelial Electrical Resistance measuring device (and why is it a current sensation?)	106
Mixed potential NH3 sensor based on Ag-Doped La2NiO4+δ sensing electrode	105
Quantitative microfluidic assay to measure neutralizing and total antibodies for SARS-CoV-2	105
The high sensitive and selective detection of dopamine based on its electropolymerization by electrochemical surface plasmon resonance	104
Screening and comparative studies of conducting polymers for developing effective molecular imprinted sensors for copper, zinc superoxide dismutase	103
Towards the maximization of nanochannels blockage through antibody-antigen charge control: Application for the detection of an Alzheimer’s disease biomarker	101
Investigating the thermally induced p-n transition in reduced graphene oxide layers exposed to hydrogen sulfide	99
Materials for optical oxygen sensing under high hydrostatic pressure	98
Simulation monitoring of tetracyclines in wastewater based on fluorescence image processing and machine learning classifier	98
A fluorescent aptasensor based on ZIF-8 @PdNCs and DNA-AgNCs for tobramycin detection in milk	98
On-site enrichment and detection of live Salmonella typhimurium using a bioluminescence sensor coupled with a hyperbranched aptamer probe-labelled stir-bars array	96
Dual mid-infrared wavelength Faraday rotation spectroscopy NOx sensor based on NdFeB ring magnet array	95
Hierarchical CaTiO3 microspheres for acetone sensing	95
Sensitively humidity-driven actuator and sensor derived from natural skin system	95
A solid-phase porphyrin and boron-dipyrromethene sensing platform for the infestation detection of two main hidden pests in rice	95
Novel highly sensitive conductometric biosensor based on arginine deiminase from Mycoplasma hominis for determination of arginine	94
Chelating and pendant dual-antenna effect modulated ratiometric electrochemiluminescence system for lung cancer marker assay	94
Antibody-powered lighting-up fluorescence immunosensor based on hemin/G-quadruplex-quenched DNA-hosted dual silver nanoclusters as emitters	94
Plant-derived adhesive hydrogel with high stretchability and conductivity for wearable electronics	94
Ratiometric upconversion fluorometric turn-off nanosensor for quantification of furfural in foods	93
A mixed-potential type NH3 sensors based on spinel Zn2SnO4 sensing electrode	93
Plasmon-assisted fast colorimetric detection of bacterial nucleases in food samples	93
Influence of microheater patterns: MoSi2-SnO2 as energy-saving chemiresistors for gas sensing applications	93
Facet effect on diverse WO3 morphologies and ideal work function for ppb-level triethylamine detection	92
Biomolecule-friendly conducting PEDOT interface for long-term bioelectronic devices	92
Preparation and characterization of a mussel-inspired and programmable PDA@MXene/PNIPAM hydrogel actuator with ultrafast temperature and NIR responsiveness	90
Chemiluminescence sensor array for oxidase discrimination based on ternary transition metal sulfide	89
Acetone gas sensor based on Nb2O5 @SnO2 hybrid structure with high selectivity and ppt-level sensitivity	89
All in laser-induced graphene to fabricate the electrochemical biosensor for on-site detection of microcystin-LR	89
A dual-mode sensor based on surface molecularly imprinted Pt nanoclusters for detection of SARS-CoV-2 spike protein	89
Synergistic effect of NiFe2O4 and MWCNTs for ppb-level acetone detection at 150 °C	89
Au-mediated Z-scheme TiO2-Au-BiOI photoelectrode for sensitive and selective photoelectrochemical detection of L-cysteine	89
Thermal-sensing actuator based on conductive polymer ionogel for autonomous human-machine interaction	88
A novel liquid crystal aptasensor via DNA aptamer conformational change for on-site detection of cocaine in sewage	88
A lateral flow immunochromatographic assay based on nanobody-oriented coupling strategy for aflatoxin B1 detection	88
Multiplex chroma-response based fluorescent smartphone sensing platform for rapid and visual quantitative determination of antibiotic residues	87
Protonic conduction induced selective room temperature hydrogen response in ZnO/NiO heterojunction surfaces	87
Ultrafast NH3 gas sensor based on phthalocyanine-optimized non-covalent hybrid of carbon nanotubes with pyrrole	86
An electrochemiluminescence sensor for ultrasensitive detection of Hg2+ based on self-enhanced Ru-QDs@SiO2 luminophore and P6ICA/MoS2 as co-reaction accelerator	86
Synergistic effect of Pd and Fe2O3 nanoparticles embedded in porous NiO nanofibers on hydrogen gas detection: Fabrication, characterization, and sensing mechanism exploration	86
Scandium-mediated photosensitization oxidation: A new strategy for fast and neutral pH colorimetric detection of cocaine by coupling split aptamer	86
Natural catkins-derived single-crystal WO3 tubes rich in oxygen vacancies for high response and rapid detection of hydrazine at near room temperature	85
A multilevel fluorometric biosensor based on boric acid embedded in carbon dots to detect intracellular and serum glucose	85

Bacterial concentration and detection using an ultrasonic nanosieve within a microfluidic device	84
Pd@Pt nanoparticles: Trienzyme catalytic mechanisms, surface-interface effect with DNA and application in biosensing	84
A “three-in-one” multifunctional palladium/platinum nanoparticles-driven multimodal lateral flow immunoassays for point-of-care testing of Staphylococcus aureus	83
Fast responding and recovering of NO2 sensors based on Ni-doped In2O3 nanoparticles	82
Sn2+ doped NiO hollow nanofibers to improve triethylamine sensing characteristics through tuning oxygen defects	82
A NIR fluorescent probe for rapid turn-on detection and bioimaging of hypochlorite anion	82
Dual-mode driven Marangoni actuator with spontaneity and controllability as a soft robot	81
Photoacoustic trace-analysis of breath isoprene and acetone via interband- and Quantum Cascade Lasers	81
Development of a novel humidity sensor for breath pattern recognition using large dislocation hollow core fiber infused with nano-carbon quantum water gel microfiber	81
V2CTx MXene/Ni-metal organic framework-derived V2O5/NiO nanohybrid methane sensors for fault detection of lithium-ion battery	81
Biocompatible salt-enhanced thin porous humidity sensor for human interaction sensing	81
Study of a palladium nanoparticle/ In-Zn-O thin film-based hydrogen gas sensor	81
Design of a triple-functional polyA-probe: Toward a facile electrochemical aptasensor for vanillin detection	81
Development of folding-based and signal-amplified fluorescence aptasensors using G-quadruplex quinclorac aptamer variants engineered via exonuclease digestion and circular dichroism spectroscopy	81