OOIR: Observatory of International Research

Papers

(The H4-Index of Sensors and Actuators B-Chemical is 80. 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 2020-04-01 to 2024-04-01.)

Article	Citations
Ultrasensitive supersandwich-type electrochemical sensor for SARS-CoV-2 from the infected COVID-19 patients using a smartphone	288
Evolution of breath analysis based on humidity and gas sensors: Potential and challenges	221
Flexible resistive NO2 gas sensor of three-dimensional crumpled MXene Ti3C2Tx/ZnO spheres for room temperature application	199
Paper-based microfluidics: Simplified fabrication and assay methods	196
Development of a SERS-based lateral flow immunoassay for rapid and ultra-sensitive detection of anti-SARS-CoV-2 IgM/IgG in clinical samples	186
A chemically modified laser-induced porous graphene based flexible and ultrasensitive electrochemical biosensor for sweat glucose detection	178
Triethylamine gas sensor based on Pt-functionalized hierarchical ZnO microspheres	177
A robust cluster-based Eu-MOF as multi-functional fluorescence sensor for detection of antibiotics and pesticides in water	159
Halloysite nanotubes: Natural, environmental-friendly and low-cost nanomaterials for high-performance humidity sensor	158
MXene/SnO2 heterojunction based chemical gas sensors	157
Perovskite-structured LaCoO3 modified ZnO gas sensor and investigation on its gas sensing mechanism by first principle	141
Metal-Organic frameworks-derived bamboo-like CuO/In2O3 Heterostructure for high-performance H2S gas sensor with Low operating temperature	140
Smart colorimetric sensing films with high mechanical strength and hydrophobic properties for visual monitoring of shrimp and pork freshness	138
A room-temperature NO2 gas sensor based on CuO nanoflakes modified with rGO nanosheets	136
A ratiometric electrochemical sensor for simultaneous detection of multiple heavy metal ions based on ferrocene-functionalized metal-organic framework	133
Gas sensor towards n-butanol at low temperature detection: Hierarchical flower-like Ni-doped Co3O4 based on solvent-dependent synthesis	133
MIPs for commercial application in low-cost sensors and assays – An overview of the current status quo	132
Toward agricultural ammonia volatilization monitoring: A flexible polyaniline/Ti3C2T hybrid sensitive films based gas sensor	129
MXene/Co3O4 composite based formaldehyde sensor driven by ZnO/MXene nanowire arrays piezoelectric nanogenerator	127
Ultrasensitive flexible NH3 gas sensor based on polyaniline/SrGe4O9 nanocomposite with ppt-level detection ability at room temperature	127
High-performance acetone gas sensor based on Ru-doped SnO2 nanofibers	124
Ultra-sensitive molecularly imprinted electrochemical sensor for patulin detection based on a novel assembling strategy using Au@Cu-MOF/N-GQDs	123
Flexible MXene/rGO/CuO hybrid aerogels for high performance acetone sensing at room temperature	118
Simultaneous determination of ascorbic acid, dopamine, and uric acid using graphene quantum dots/ionic liquid modified screen-printed carbon electrode	115
Daily writing carbon ink: Novel application on humidity sensor with wide detection range, low detection limit and high detection resolution	114

Recent progress, challenges, and opportunities for wearable biochemical sensors for sweat analysis	114
Hierarchical porous MXene/amino carbon nanotubes-based molecular imprinting sensor for highly sensitive and selective sensing of fisetin	110
Sn doping effect on NiO hollow nanofibers based gas sensors about the humidity dependence for triethylamine detection	110
FET-type gas sensors: A review	109
PANI nanofibers-supported Nb2CTx nanosheets-enabled selective NH3 detection driven by TENG at room temperature	109
The gas sensor utilizing polyaniline/ MoS2 nanosheets/ SnO2 nanotubes for the room temperature detection of ammonia	108
Smartphone-based portable electrochemical biosensing system for detection of circulating microRNA-21 in saliva as a proof-of-concept	108
Identification of gas mixtures via sensor array combining with neural networks	107
Highly sensitive and selective NO2 sensor of alkalized V2CT MXene driven by interlayer swelling	106
Recent advances in SnO2 nanostructure based gas sensors	105
A high-performance room temperature benzene gas sensor based on CoTiO3 covered TiO2 nanospheres decorated with Pd nanoparticles	103
Biodegradable and photostable Nb2C MXene quantum dots as promising nanofluorophores for metal ions sensing and fluorescence imaging	102
Atomic layer deposition of ZnO on SnO2 nanospheres for enhanced formaldehyde detection	101
A conducting polymer PEDOT:PSS hydrogel based wearable sensor for accurate uric acid detection in human sweat	101
Metal oxide gas sensors for detecting NO2 in industrial exhaust gas: Recent developments	100
Wearable electrochemical biosensor based on molecularly imprinted Ag nanowires for noninvasive monitoring lactate in human sweat	99
Chemiresistive sensors based on core-shell ZnO@TiO2 nanorods designed by atomic layer deposition for n-butanol detection	99
An electrochemical aptasensor based on gold-modified MoS2/rGO nanocomposite and gold-palladium-modified Fe-MOFs for sensitive detection of lead ions	98
Development of a low-cost e-nose to assess aroma profiles: An artificial intelligence application to assess beer quality	98
Molecularly imprinted polymer based electrochemical sensor for quantitative detection of SARS-CoV-2 spike protein	97
Ultrathin two-dimensional metal-organic framework nanosheets decorated with tetra-pyridyl calix[4]arene: Design, synthesis and application in pesticide detection	97
Ultrathin Nb2CT nanosheets-supported polyaniline nanocomposite: Enabling ultrasensitive NH3 detection	96
Visible light assisted room-temperature NO2 gas sensor based on hollow SnO2@SnS2 nanostructures	95
Fe3O4@Au SERS tags-based lateral flow assay for simultaneous detection of serum amyloid A and C-reactive protein in unprocessed blood sample	95
Crystal engineering of MOF@COF core-shell composites for ultra-sensitively electrochemical detection	94
Structural hybridization of bimetallic zeolitic imidazolate framework (ZIF) nanosheets and carbon nanofibers for efficiently sensing α-synuclein oligomers	94
Acetone sensors with high stability to humidity changes based on Ru-doped NiO flower-like microspheres	94
Influence of major parameters on the sensing mechanism of semiconductor metal oxide based chemiresistive gas sensors: A review focused on personalized healthcare	92
One-step electrosynthesized molecularly imprinted polymer on laser scribed graphene bisphenol a sensor	91
High sensitive and fast response humidity sensor based on polymer composite nanofibers for breath monitoring and non-contact sensing	90
Selective ppb-level ozone gas sensor based on hierarchical branch-like In2O3 nanostructure	89
A wearable microfluidics-integrated impedimetric immunosensor based on Ti3C2T MXene incorporated laser-burned graphene for noninvasive sweat cortisol detection	89
A formaldehyde gas sensor with improved gas response and sub-ppm level detection limit based on NiO/NiFe2O4 composite nanotetrahedrons	89
Enhanced NO2 sensing performance of ZnO nanowires functionalized with ultra-fine In2O3 nanoparticles	89
NOx gas sensors based on layer-transferred n-MoS2/p-GaN heterojunction at room temperature: Study of UV light illuminations and humidity	88
Electrochemical paper-based analytical device for multiplexed, point-of-care detection of cardiovascular disease biomarkers	88
Flexible, biocompatible and highly conductive MXene-graphene oxide film for smart actuator and humidity sensor	87
Sn3O4/rGO heterostructure as a material for formaldehyde gas sensor with a wide detecting range and low operating temperature	86
Selective ppb-level NO2 gas sensor based on SnO2-boron nitride nanotubes	86
MXene (Ti3C2T )-Ag nanocomplex as efficient and quantitative SERS biosensor platform by in-situ PDDA electrostatic self-assembly synthesis strategy	84
Copper doped carbon dots as the multi-functional fluorescent sensing platform for tetracyclines and pH	84
A label-free fluorescence biosensor based on a bifunctional MIL-101(Fe) nanozyme for sensitive detection of choline and acetylcholine at nanomolar level	84
Thin films of tungsten oxide materials for advanced gas sensors	83
Flexible humidity sensor based on modified cellulose paper	83
Validated electrochemical immunosensor for ultra-sensitive procalcitonin detection: Carbon electrode modified with gold nanoparticles functionalized sulfur doped MXene as sensor platform and carboxyla	83
Improved detection of reactive oxygen species by DCFH-DA: New insight into self-amplification of fluorescence signal by light irradiation	82
Humidity activated ionic-conduction formaldehyde sensing of reduced graphene oxide decorated nitrogen-doped MXene/titanium dioxide composite film	82
A high fidelity CRISPR/Cas12a based lateral flow biosensor for the detection of HPV16 and HPV18	82
Sensitive H2 gas sensors based on SnO2 nanowires	82
Ultra-high selectivity of H2 over CO with a p-n nanojunction based gas sensors and its mechanism	82

Highly sensitive sensor based on ordered porous ZnO nanosheets for ethanol detecting application	82
Red fluorescent carbon dots for tetracycline antibiotics and pH discrimination from aggregation-induced emission mechanism	81
CRISPR-Cas12a based aptasensor for sensitive and selective ATP detection	81
Colorimetric and fluorescent sensors for detection of nerve agents and organophosphorus pesticides	80
Synergistic effects of SnO2 and Au nanoparticles decorated on WS2 nanosheets for flexible, room-temperature CO gas sensing	80
A highly sensitive upconversion nanoparticles-WS2 nanosheet sensing platform for Escherichia coli detection	80
A strategy for effective electrochemical detection of hydroquinone and catechol: Decoration of alkalization-intercalated Ti3C2 with MOF-derived N-doped porous carbon	80