OOIR: Observatory of International Research

Papers

(The H4-Index of Analytica Chimica Acta is 59. 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 2022-05-01 to 2026-05-01.)

Article	Citations
Editorial Board	152
Outside Front Cover	139
Outside Front Cover	137
DNAzyme-assisted the detection of rps27l mRNA in protein nanopores	133
Stable and sensitive sensor for alkaline phosphatase based on target-triggered wavelength tuning of fluorescent copper nanoclusters	129
Screening metabolic features of stroke in atrial fibrillation	127
Glucose detection through surface-enhanced Raman spectroscopy: A review	120
Rational design of nanozyme with multienzyme-like activities for colorimetric discrimination and detection of catechol and hydroquinone	112
Red-emitting aggregation-induced emission fluorescent probe for monitoring fluctuation of HClO in mitochondria during ferroptosis	105
A portable optical detection system for rapid quantification of two rheumatoid arthritis biomarkers	92
One-Step Detection of miRNA-21 Cancer Marker in Serum using Molecularly Imprinted Nanoparticle Recognition and Surface Plasmon Resonance	90
Live-cell imaging of β-galactosidase based on a quinoline-malononitrile-derived AIE probe	90
Label-free hairpin probe for the rapid detection of Hg(II) based on T-Hg(II)-T	89
Review: 3D cell models for organ-on-a-chip applications	85
Molecular engineering of fluorescence probe for real-time non-destructive visual screening of meat freshness	83
Coupling annealed silver nanoparticles with a porous silicon Bragg mirror SERS substrate and machine learning for rapid non-invasive disease diagnosis	82
A flexible and wearable PET-based chemiresistive H2S gas sensor modified with MoS2–AgCl@AgNPs nanocomposite for the dynamic monitoring of egg spoilage	82
Mass spectrometry imaging in the earth sciences—A tutorial to the micrometer-scale mapping of molecular fossils via MALDI FT-ICR MS	82
Accurate construction of cell membrane biomimetic magnetic fluorescent carbon nanoplatform via layer-by-layer assembly for targeted capture of drug leads	81
The chiral proteomic analysis applied to aging collagens by LC-MS: Amino acid racemization, post-translational modifications, and sequence degradations during the aging process	81
Review on atmospheric pressure ionization sources for gas chromatography-mass spectrometry. Part II: Current applications	81
Cluster-Partial Least Squares (c-PLS) regression analysis: Application to miRNA and metabolomic data	80
Identification the fine structure of triacylglycerol regioisomers from localization of acyl chains by electron activated dissociation tandem mass spectrometry	78
Editorial Board	77
Editorial Board	75

Boosting photoelectric performance of BiVO4 photoanode by tailoring ultrathin CoSx-Bi2S3 nanolayer for self-powered aptasensing of 17α-ethinylestradiol	74
Mass spectrometric monitoring of ligand-bridged hot electron transfer and anaerobic oxidization on auto renewable droplet-based plasmonic nanoreactors under visible light illumination	74
A group-targeting biosensor for sensitive and rapid detection of quinolones in water samples	73
Molecularly imprinted electrochemical sensor based on CoNi-MOF/RGO nanocomposites for sensitive detection of the hippuric acid	73
A supramolecular fluorescence probe that simultaneously responds to viscosity and G-quadruplex for autophagy detection	73
Deactivated fused silica tubing: A solution for flexible time weighted averaging needle trap sampling	71
Ion mobility spectrometer with heated sample inlet - Solution to the issue of temperature effect on resolving power	70
Outside Front Cover	70
Outside Front Cover	70
Adsorption of fluoroquinolones on hollow Co3S4 polyhedron sulfidated from ZIF-67 and its application of dispersed solid phase extraction prior to HPLC-UV	70
Method development and validation for the quantitative determination of total flavonoids through the complexation of iron (III) and its application in real sample	69
Long-term repeatability improvement using beam intensity distribution for laser-induced breakdown spectroscopy	67
A near-infrared emitting “off-on” fluorescent probe for bioimaging of Pd(Ⅱ) ions in living cells and mice	66
Enhancing the water-resistance of MOF-199 film through incorporation of microporous organic networks for solid-phase microextraction of BTEX in aqueous environments with improved efficiency	66
Dual-catalytic hairpin amplification strategy as a highly efficient signal amplifier cooperative with COF@Au for ultrasensitive SERS detection of miRNA-21	65
Nicking-controlled biosensor: Integrating DNA Walker-RCA circuit with trimetallic nanozyme for aflatoxin B1 detection	65
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	65
A novel restricted access-anion exchange organic monolithic phase for determining homocysteine and homocysteic acid in cerebrospinal fluid samples obtained from Alzheimer's disease patients by in-tube	64
Sensitive sensing of Hg(II) based on lattice B and surface F co-doped CeO2: Synergies of catalysis and adsorption brought by doping site engineering	64
The sensing of circRNA with tetrahedral DNA nanostructure modified microfluidic chip	64
Mutual information map as a new way for exploring the independence of chemically meaningful solutions in two-component analytical data	63
Direct, ultrafast, and sensitive detection of environmental pathogenic microorganisms based on a graphene biosensor	63
Probe-labeled electrochemical approach for highly selective detection of 5-carboxycytosine in DNA	63
Carbon fiber paper spray ionization mass spectrometry	62
Label-free and highly-sensitive detection of calcium ions using a silicon-on-sapphire light-addressable potentiometric sensor	62
Supramolecular DNA sensor based on the integration of host-guest immobilization strategy and WP5-Ag/PEHA supramolecular aggregates	62
Dual-mode colorimetric determination of As(III) based on negatively-charged aptamer-mediated aggregation of positively-charged AuNPs	62
Unraveling the in vivo biological fate of mPEG2000-PDLLA2500-COOH diblock copolymers by LC-MS/MS based on CID in source technique	62
Fabrication of FRET based nano sensor from biomass-derived fluorescent carbon quantum dots and naphthalimide for ratiometric detection of nitric oxide: To examine nitrite levels in meat samples	60
A transferrin-responsive fluorescent probe based on Zn-doped carbon dots for selective Fe3+ detection in serum	60
Multi-way data modelling for enhancing classification performance: Fluorescence data as a case of study	60
Iron-nickel alloy co-reaction accelerator-based electrochemiluminescence platform with non-linear HCR-CHA cascade amplification for ultrasensitive quantitation of paraquat	60
Comparison of CIC and HR GFMAS for the measurements of extractable organofluorines (EOF) in different biological tissues of pilot whales	59
Structure-switchable branched inhibitors regulate the activity of CRISPR-Cas12a for nucleic acid diagnostics	59
Label-free electrochemical immunosensor for picomolar detection of the cervical cancer biomarker MCM5	59