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 2022-01-01 to 2026-01-01.)

Article	Citations
Editorial Board	197
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	161
3D DNA walkers integrated with self-reporting MOFs: Pioneering ratiometric electrochemical sensing for Staphylococcus aureus	145
Portable fizzy extraction ion-mobility spectrometry system	145
Outside Front Cover	131
Outside Front Cover	130
Dual-catalytic hairpin amplification strategy as a highly efficient signal amplifier cooperative with COF@Au for ultrasensitive SERS detection of miRNA-21	128
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	124
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	123
Label-free and highly-sensitive detection of calcium ions using a silicon-on-sapphire light-addressable potentiometric sensor	113
Method development and validation for the quantitative determination of total flavonoids through the complexation of iron (III) and its application in real sample	112
Supramolecular DNA sensor based on the integration of host-guest immobilization strategy and WP5-Ag/PEHA supramolecular aggregates	111
DNAzyme-assisted the detection of rps27l mRNA in protein nanopores	111
Modeling the effect of temperature on solid-phase microextraction of volatile organic compounds from air by polydimethylsiloxane coating using finite element analysis	108
Selection of essential spectra to improve the multivariate curve resolution of minor compounds in complex pharmaceutical formulations	107
Stable and sensitive sensor for alkaline phosphatase based on target-triggered wavelength tuning of fluorescent copper nanoclusters	102
The sensing of circRNA with tetrahedral DNA nanostructure modified microfluidic chip	95
Portable light detectors for bioluminescence biosensing applications: A comprehensive review from the analytical chemist's perspective	93
Screening metabolic features of stroke in atrial fibrillation	93
A renewable platform based on the entropy-driven catalytic amplification and element labeling inductively coupled plasma mass spectrometry for microRNA analysis	82
High-precision K isotopic analysis of cerebrospinal fluid and blood serum microsamples via multicollector inductively coupled plasma-mass spectrometry equipped with 1013 Ω faraday cup amplifier resist	81
Identification the fine structure of triacylglycerol regioisomers from localization of acyl chains by electron activated dissociation tandem mass spectrometry	78
Editorial Board	76
Precise tumor delineation in clinical tissues using a novel acidic tumor microenvironment activatable near-infrared fluorescent contrast agent	75
Editorial Board	75

Mass spectrometric monitoring of ligand-bridged hot electron transfer and anaerobic oxidization on auto renewable droplet-based plasmonic nanoreactors under visible light illumination	75
Probe-labeled electrochemical approach for highly selective detection of 5-carboxycytosine in DNA	74
Editorial Board	74
Implementing multiblock techniques in a full-scale plant scenario: On-line prediction of quality parameters in a continuous process for different acrylonitrile butadiene styrene (ABS) products	73
Microwave-induced self-ignition: An efficient approach for high purity graphite digestion and multitechnique halogen determination	72
A bootstrap-assisted methodology for the estimation of prediction uncertainty in multilayer perceptron-based calibration	72
Long-term repeatability improvement using beam intensity distribution for laser-induced breakdown spectroscopy	71
Exploring new dimensions: Single and multi-block analysis of essential oils using DBDI-MS and FT-IR for enhanced authenticity control	70
Development of CadR-based cadmium whole cell biosensor for visual detection of environmental Cd2+	69
Photoelectrochemical immunoassay for thyroglobulin on nanogold-functionalized BiVO4 photoanode coupling with enzymatic biocatalytic precipitation	68
Deactivated fused silica tubing: A solution for flexible time weighted averaging needle trap sampling	68
Optimization of oxygen and hydrogen analysis in salts by inert gas fusion	67
A review of aptamer-conjugated nanomaterials for analytical sample preparation: Classification according to the utilized nanomaterials	67
Comparison of CIC and HR GFMAS for the measurements of extractable organofluorines (EOF) in different biological tissues of pilot whales	65
Critical review on recent trends in cannabinoid determination on cannabis herbal samples: From chromatographic to vibrational spectroscopic techniques	65
Boosting photoelectric performance of BiVO4 photoanode by tailoring ultrathin CoSx-Bi2S3 nanolayer for self-powered aptasensing of 17α-ethinylestradiol	65
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	65
Triple acquisition mass spectrometry (TRAM) combining targeted and non-targeted metabolomics in a single run	65
Detachable acoustofluidic droplet-sorter	64
A novel type of planar reference electrodes based on ionic liquids	64
Outside Front Cover	64
Unraveling the in vivo biological fate of mPEG2000-PDLLA2500-COOH diblock copolymers by LC-MS/MS based on CID in source technique	63
Adsorption of fluoroquinolones on hollow Co3S4 polyhedron sulfidated from ZIF-67 and its application of dispersed solid phase extraction prior to HPLC-UV	63
Outside Front Cover	63
Upconverting nano-paste in 3D-printed phone camera setup for soil phyto-iron sensing	61
Carbon fiber paper spray ionization mass spectrometry	61
A versatile AIE probe with mitochondria targeting for dual-channel detection of superoxide anion and viscosity	60
Mutual information map as a new way for exploring the independence of chemically meaningful solutions in two-component analytical data	60
Modeling power-based variable selection for rigorous one-class classification with SIMCA	60
Label-free hairpin probe for the rapid detection of Hg(II) based on T-Hg(II)-T	59
Accurate construction of cell membrane biomimetic magnetic fluorescent carbon nanoplatform via layer-by-layer assembly for targeted capture of drug leads	59
The chiral proteomic analysis applied to aging collagens by LC-MS: Amino acid racemization, post-translational modifications, and sequence degradations during the aging process	59
A supramolecular fluorescence probe that simultaneously responds to viscosity and G-quadruplex for autophagy detection	59
Highly selective monoclonal antibody-based fluorescence immunochromatographic assay for the detection of fenpropathrin in vegetable and fruit samples	59
Assess heavy metals-induced oxidative stress of microalgae by Electro-Raman combined technique	59
Electrochemistry sensing of ascorbic acid based on conductive metal-organic framework (Cu3(benzenehexathiol)) nanosheets modified electrode	59
Intrinsic fluorescence of calixarenes: the origin and applications	59
Voltage-electrolyte engineered graphene electrodes for simultaneous detection of nM-level Ponceau 4R and Rhodamine B	59