OOIR: Observatory of International Research

Papers

(The H4-Index of Analytica Chimica Acta is 56. 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
Assess heavy metals-induced oxidative stress of microalgae by Electro-Raman combined technique	189
Editorial Board	152
Editorial Board	136
Editorial Board	130
Chemometric approaches for calibrating high-throughput spectral imaging setups to support digital plant phenotyping by calibrating and transferring spectral models from a point spectrometer	126
Editorial Board	117
Analytical strategies to profile the internal chemical exposome and the metabolome of human placenta	109
A renewable platform based on the entropy-driven catalytic amplification and element labeling inductively coupled plasma mass spectrometry for microRNA analysis	105
Photoelectrochemical immunoassay for thyroglobulin on nanogold-functionalized BiVO4 photoanode coupling with enzymatic biocatalytic precipitation	105
Modeling the effect of temperature on solid-phase microextraction of volatile organic compounds from air by polydimethylsiloxane coating using finite element analysis	103
A near-infrared emitting “off-on” fluorescent probe for bioimaging of Pd(Ⅱ) ions in living cells and mice	102
Portable fizzy extraction ion-mobility spectrometry system	100
Supramolecular DNA sensor based on the integration of host-guest immobilization strategy and WP5-Ag/PEHA supramolecular aggregates	99
Label-free and highly-sensitive detection of calcium ions using a silicon-on-sapphire light-addressable potentiometric sensor	98
Triple acquisition mass spectrometry (TRAM) combining targeted and non-targeted metabolomics in a single run	93
Portable high-throughput multimodal immunoassay platform for rapid on-site COVID-19 diagnostics	93
Development of a two-in-one integrated bioassay for simultaneous and rapid on-site detection of Pb2+ and Hg2+ in water	91
Mass spectrometric monitoring of ligand-bridged hot electron transfer and anaerobic oxidization on auto renewable droplet-based plasmonic nanoreactors under visible light illumination	90
In situ monitoring PUVA therapy by using a cell-array chip-based SERS platform	88
A colorimetric assay and MCR-ALS analysis of the peroxidase-like activity of poly (N-phenylglycine) functionalized with polyethylene glycol (PNPG-PEG) nanozyme for the determination of dopamine	88
Light-driven ion extraction of polymeric membranes for on-demand Cu(II) sensing	87
Electrochemistry sensing of ascorbic acid based on conductive metal-organic framework (Cu3(benzenehexathiol)) nanosheets modified electrode	87
Mutual information map as a new way for exploring the independence of chemically meaningful solutions in two-component analytical data	84
A supramolecular fluorescence probe that simultaneously responds to viscosity and G-quadruplex for autophagy detection	82
A bootstrap-assisted methodology for the estimation of prediction uncertainty in multilayer perceptron-based calibration	80

Deactivated fused silica tubing: A solution for flexible time weighted averaging needle trap sampling	78
Ultrasensitive lateral flow biosensor based on PtAu@CNTs nanocomposite catalytic chromogenic signal amplification strategy for the detection of nucleic acid	77
Comparison of CIC and HR GFMAS for the measurements of extractable organofluorines (EOF) in different biological tissues of pilot whales	71
A flexible and wearable PET-based chemiresistive H2S gas sensor modified with MoS2–AgCl@AgNPs nanocomposite for the dynamic monitoring of egg spoilage	69
Dual-mode colorimetric determination of As(III) based on negatively-charged aptamer-mediated aggregation of positively-charged AuNPs	69
An entropy-driven three-dimensional multipedal-DNA walker for ultrasensitive detection of cancer cells	68
Analytical methods for the characterization and diagnosis of infection with Pseudomonas aeruginosa: A critical review	68
Boosting photoelectric performance of BiVO4 photoanode by tailoring ultrathin CoSx-Bi2S3 nanolayer for self-powered aptasensing of 17α-ethinylestradiol	68
An antioxidation-responsive SERS-active microneedle for detecting the antioxidant capacity in living organisms	67
Outside Front Cover	67
Expanding the DD-SIMCA concept: A case study of precision medicine	67
Outside Front Cover	67
Self-assembled TMB-CuO2 nanosheets for dual-mode colorimetric and NIR-II photothermal detection of uranyl ion	64
Molecular engineering of fluorescence probe for real-time non-destructive visual screening of meat freshness	63
A sensitive biosensor for ochratoxin A detection based on triple-helix aptaswitch and bioorthogonal capture enabled signal amplification	62
Utilisation of molecularly imprinting technology for the detection of glucocorticoids for a point of care surface plasmon resonance (SPR) device	62
DNAzyme-assisted the detection of rps27l mRNA in protein nanopores	62
A novel type of planar reference electrodes based on ionic liquids	62
Sensory analysis of hepatitis B virus DNA for medicinal clinical diagnostics based on molybdenum doped ZnO nanowires field effect transistor biosensor; a comparative study to PCR test results	61
Microwave-induced self-ignition: An efficient approach for high purity graphite digestion and multitechnique halogen determination	60
Carbon fiber paper spray ionization mass spectrometry	59
Long-term repeatability improvement using beam intensity distribution for laser-induced breakdown spectroscopy	59
Review: 3D cell models for organ-on-a-chip applications	59
Differentiating ether phosphatidylcholines with a collision energy-optimized MRM method by RPLC-MS/MS and its application to studying ischemia-neuronal injury	59
Stable and sensitive sensor for alkaline phosphatase based on target-triggered wavelength tuning of fluorescent copper nanoclusters	57
A mitochondrial-targeted near-infrared fluorescent probe for visualizing the fluctuation of hypochlorite acid in idiopathic pulmonary fibrosis mice	57
Review on atmospheric pressure ionization sources for gas chromatography-mass spectrometry. Part II: Current applications	57
An all-in-one enzymatic DNA network based on catalytic hairpin assembly for label-free and highly sensitive detection of APE1	57
One-step, multiplex, dual-function oligonucleotide of loop-mediated isothermal amplification assay for the detection of pathogenic Burkholderia pseudomallei	56
Development of CadR-based cadmium whole cell biosensor for visual detection of environmental Cd2+	56
High spatial resolution imaging of cisplatin and Texas Red cisplatin in tumour spheroids using laser ablation isotope dilution inductively coupled plasma mass spectrometry and confocal fluorescence mi	56
Detachable acoustofluidic droplet-sorter	56
In vivo profiling of phytocannabinoids in Cannabis spp. varieties via SPME-LC-MS analysis	56
A novel ratiometric and colorimetric probe for rapid and ultrasensitive detection of nitrite in water based on an Acenaphtho[1,2-d] imidazole derivative	56
The sensing of circRNA with tetrahedral DNA nanostructure modified microfluidic chip	56
Highly selective monoclonal antibody-based fluorescence immunochromatographic assay for the detection of fenpropathrin in vegetable and fruit samples	56