OOIR: Observatory of International Research

Papers

(The H4-Index of Analytica Chimica Acta is 58. 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 2021-11-01 to 2025-11-01.)

Article	Citations
Editorial Board	183
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	153
A portable optical detection system for rapid quantification of two rheumatoid arthritis biomarkers	141
Portable fizzy extraction ion-mobility spectrometry system	136
Boosting photoelectric performance of BiVO4 photoanode by tailoring ultrathin CoSx-Bi2S3 nanolayer for self-powered aptasensing of 17α-ethinylestradiol	130
Modeling power-based variable selection for rigorous one-class classification with SIMCA	125
Screening metabolic features of stroke in atrial fibrillation	124
Triple acquisition mass spectrometry (TRAM) combining targeted and non-targeted metabolomics in a single run	121
A renewable platform based on the entropy-driven catalytic amplification and element labeling inductively coupled plasma mass spectrometry for microRNA analysis	121
Electrochemistry sensing of ascorbic acid based on conductive metal-organic framework (Cu3(benzenehexathiol)) nanosheets modified electrode	119
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	109
Deactivated fused silica tubing: A solution for flexible time weighted averaging needle trap sampling	107
An integrated CBLA-Net with fractional discrete wavelet transform and frequency-based CARS to predict heavy metal elements by XRF	107
Integrating Ti3C2/MgIn2S4 heterojunction with a controlled release strategy for split-type photoelectrochemical sensing of miRNA-21	106
Mutual information map as a new way for exploring the independence of chemically meaningful solutions in two-component analytical data	100
A sensitive biosensor for ochratoxin A detection based on triple-helix aptaswitch and bioorthogonal capture enabled signal amplification	98
The chiral proteomic analysis applied to aging collagens by LC-MS: Amino acid racemization, post-translational modifications, and sequence degradations during the aging process	95
Label-free electrochemical immunosensor for picomolar detection of the cervical cancer biomarker MCM5	92
A supramolecular fluorescence probe that simultaneously responds to viscosity and G-quadruplex for autophagy detection	91
Utilisation of molecularly imprinting technology for the detection of glucocorticoids for a point of care surface plasmon resonance (SPR) device	84
Label-free and highly-sensitive detection of calcium ions using a silicon-on-sapphire light-addressable potentiometric sensor	81
Fabrication of fluorescence sensor based on molecularly imprinted polymer on amine-modified carbon quantum dots for fast and highly sensitive and selective detection of tannic acid in food samples	77
Coupling annealed silver nanoparticles with a porous silicon Bragg mirror SERS substrate and machine learning for rapid non-invasive disease diagnosis	76
Molecular engineering of fluorescence probe for real-time non-destructive visual screening of meat freshness	75
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	73

Structure-switchable branched inhibitors regulate the activity of CRISPR-Cas12a for nucleic acid diagnostics	71
An all-in-one enzymatic DNA network based on catalytic hairpin assembly for label-free and highly sensitive detection of APE1	70
Electrochemical biosensing for E.coli detection based on triple helix DNA inhibition of CRISPR/Cas12a cleavage activity	70
3D printed enzymatic microchip for multiplexed electrochemical biosensing	69
Applied tutorial for the design and fabrication of biomicrofluidic devices by resin 3D printing	69
Multi-pass cavity-enhanced Raman spectroscopy of complex natural gas components	69
A review of SERS coupled microfluidic platforms: From configurations to applications	69
Anti-CD44 antibodies grafted immunoaffinity Fe3O4@MnO2 nanozymes with highly oxidase-like catalytic activity for specific detection of triple-negative breast cancer MDA-MB-231 cells	69
Glucose detection through surface-enhanced Raman spectroscopy: A review	68
In-situ deposition of POMA/ZnO nanorods array film by vapor phase polymerization for detection of trace ammonia in human exhaled breath at room temperature	67
Analytical methods for the characterization and diagnosis of infection with Pseudomonas aeruginosa: A critical review	67
Critical review on recent trends in cannabinoid determination on cannabis herbal samples: From chromatographic to vibrational spectroscopic techniques	65
Live-cell imaging of β-galactosidase based on a quinoline-malononitrile-derived AIE probe	65
Upconverting nano-paste in 3D-printed phone camera setup for soil phyto-iron sensing	64
Mitochondria-targeted NIR fluorescent probe for detection of hydrogen sulfide and its application in monitoring food freshness and bioimaging	64
Identification the fine structure of triacylglycerol regioisomers from localization of acyl chains by electron activated dissociation tandem mass spectrometry	63
Editorial Board	63
A review of aptamer-conjugated nanomaterials for analytical sample preparation: Classification according to the utilized nanomaterials	63
Modeling the effect of temperature on solid-phase microextraction of volatile organic compounds from air by polydimethylsiloxane coating using finite element analysis	63
Precise tumor delineation in clinical tissues using a novel acidic tumor microenvironment activatable near-infrared fluorescent contrast agent	62
Exploring new dimensions: Single and multi-block analysis of essential oils using DBDI-MS and FT-IR for enhanced authenticity control	62
Editorial Board	62
Method development and validation for the quantitative determination of total flavonoids through the complexation of iron (III) and its application in real sample	61
Mass spectrometric monitoring of ligand-bridged hot electron transfer and anaerobic oxidization on auto renewable droplet-based plasmonic nanoreactors under visible light illumination	60
Probe-labeled electrochemical approach for highly selective detection of 5-carboxycytosine in DNA	59
Editorial Board	59
Analytical strategies to profile the internal chemical exposome and the metabolome of human placenta	58
A bootstrap-assisted methodology for the estimation of prediction uncertainty in multilayer perceptron-based calibration	58
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	58
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	58
Differentiating ether phosphatidylcholines with a collision energy-optimized MRM method by RPLC-MS/MS and its application to studying ischemia-neuronal injury	58
An entropy-driven three-dimensional multipedal-DNA walker for ultrasensitive detection of cancer cells	58
Aptamers targeting a tumor-associated extracellular matrix component: The human mature collagen XIα1	58
Microwave-induced self-ignition: An efficient approach for high purity graphite digestion and multitechnique halogen determination	58