OOIR: Observatory of International Research

Papers

(The H4-Index of Analyst is 39. 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 2020-11-01 to 2024-11-01.)

Article	Citations
Graphene field-effect transistors as bioanalytical sensors: design, operation and performance	121
Synthesis and modification of carbon dots for advanced biosensing application	77
An electrochemical biosensor for simultaneous detection of breast cancer clinically related microRNAs based on a gold nanoparticles/graphene quantum dots/graphene oxide film	74
Colorimetric reverse transcription loop-mediated isothermal amplification (RT-LAMP) as a visual diagnostic platform for the detection of the emerging coronavirus SARS-CoV-2	70
A microscopic survey on microplastics in beverages: the case of beer, mineral water and tea	68
Overview, consequences, and strategies for overcoming matrix effects in LC-MS analysis: a critical review	67
Smartphone-based colorimetric detection systems for glucose monitoring in the diagnosis and management of diabetes	64
Chemometrics in forensic science: approaches and applications	63
A highly sensitive electrochemical microRNA-21 biosensor based on intercalating methylene blue signal amplification and a highly dispersed gold nanoparticles/graphene/polypyrrole composite	63
Ultrasensitive fluorometric biosensor based on Ti₃C₂ MXenes with Hg²⁺-triggered exonuclease III-assisted recycling amplification	63
Application of lectin-based biosensor technology in the detection of foodborne pathogenic bacteria: a review	62
Separation of distinct exosome subpopulations: isolation and characterization approaches and their associated challenges	60
Machine learning and chemometrics for electrochemical sensors: moving forward to the future of analytical chemistry	60
Rapid developments in lateral flow immunoassay for nucleic acid detection	57
Three-dimensional nitrogen-doped graphene-based metal-free electrochemical sensors for simultaneous determination of ascorbic acid, dopamine, uric acid, and acetaminophen	54
Label-free SERS detection of proteins based on machine learning classification of chemo-structural determinants	52
Multi-dimensional LC-MS: the next generation characterization of antibody-based therapeutics by unified online bottom-up, middle-up and intact approaches	52
Recent progress of organic small molecule-based fluorescent probes for intracellular pH sensing	51
Semiconductor-based surface enhanced Raman scattering (SERS): from active materials to performance improvement	51
A highly flexible Ni–Co MOF nanosheet coated Au/PDMS film based wearable electrochemical sensor for continuous human sweat glucose monitoring	51
Swellable PVA/PVP hydrogel microneedle patches for the extraction of interstitial skin fluid toward minimally invasive monitoring of blood glucose level	47
In vitromeasurement of superoxide dismutase-like nanozyme activity: a comparative study	47
Highly selective and sensitive colorimetric/fluorometric dual mode detection of relevant biogenic amines	46
Molecularly imprinted polymers for the detection of viruses: challenges and opportunities	46
Rapid molecular diagnostics of COVID-19 by RT-LAMP in a centrifugal polystyrene-toner based microdevice with end-point visual detection	46

Recent advances and applications to cultural heritage using ATR-FTIR spectroscopy and ATR-FTIR spectroscopic imaging	46
An overview of molecular biology and nanotechnology based analytical methods for the detection of SARS-CoV-2: promising biotools for the rapid diagnosis of COVID-19	45
Single-cell droplet microfluidics for biomedical applications	45
Development of spike protein-based fluorescence lateral flow assay for the simultaneous detection of SARS-CoV-2 specific IgM and IgG	45
Smartphone-based optical analysis systems	45
Highly selective simultaneous determination of Cu(ii), Co(ii), Ni(ii), Hg(ii), and Mn(ii) in water samples using microfluidic paper-based analyti	44
Biosensing based on upconversion nanoparticles for food quality and safety applications	44
Applications of upconversion nanoparticles in analytical and biomedical sciences: a review	44
Recent advances in colorimetric sensors based on nanozymes with peroxidase-like activity	43
Compositional assessment of bone by Raman spectroscopy	43
Detection of low glucose levels in sweat with colorimetric wearable biosensors	42
Microsphere mediated exosome isolation and ultra-sensitive detection on a dielectrophoresis integrated microfluidic device	42
Aggregation-induced emission enhancement of gold nanoclusters in metal–organic frameworks for highly sensitive fluorescent detection of bilirubin	41
Fe–N/C single-atom nanozyme-based colorimetric sensor array for discriminating multiple biological antioxidants	39