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 2021-05-01 to 2025-05-01.)

Article	Citations
Stable and sensitive sensor for alkaline phosphatase based on target-triggered wavelength tuning of fluorescent copper nanoclusters	187
A novel ratiometric and colorimetric probe for rapid and ultrasensitive detection of nitrite in water based on an Acenaphtho[1,2-d] imidazole derivative	150
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	133
Assess heavy metals-induced oxidative stress of microalgae by Electro-Raman combined technique	126
Screening of imidazoles in atmospheric aerosol particles using a hybrid targeted and untargeted method based on ultra-performance liquid chromatography-quadrupole time-of-flight mass spectrometry	124
Editorial Board	121
Editorial Board	114
Editorial Board	104
Review: 3D cell models for organ-on-a-chip applications	103
Chemometric approaches for calibrating high-throughput spectral imaging setups to support digital plant phenotyping by calibrating and transferring spectral models from a point spectrometer	101
Detachable acoustofluidic droplet-sorter	101
Editorial Board	99
One-step, multiplex, dual-function oligonucleotide of loop-mediated isothermal amplification assay for the detection of pathogenic Burkholderia pseudomallei	98
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	96
Exploring new dimensions: Single and multi-block analysis of essential oils using DBDI-MS and FT-IR for enhanced authenticity control	95
Analytical strategies to profile the internal chemical exposome and the metabolome of human placenta	93
An integrated CBLA-Net with fractional discrete wavelet transform and frequency-based CARS to predict heavy metal elements by XRF	92
The chiral proteomic analysis applied to aging collagens by LC-MS: Amino acid racemization, post-translational modifications, and sequence degradations during the aging process	90
Photoelectrochemical immunoassay for thyroglobulin on nanogold-functionalized BiVO4 photoanode coupling with enzymatic biocatalytic precipitation	89
A renewable platform based on the entropy-driven catalytic amplification and element labeling inductively coupled plasma mass spectrometry for microRNA analysis	86
Modeling the effect of temperature on solid-phase microextraction of volatile organic compounds from air by polydimethylsiloxane coating using finite element analysis	85
A near-infrared emitting “off-on” fluorescent probe for bioimaging of Pd(Ⅱ) ions in living cells and mice	84
In-situ elemental quantitative imaging in plant leaves by LA-ICP-MS with matrix-matching external calibration	84
Portable fizzy extraction ion-mobility spectrometry system	84
Supramolecular DNA sensor based on the integration of host-guest immobilization strategy and WP5-Ag/PEHA supramolecular aggregates	82

Label-free and highly-sensitive detection of calcium ions using a silicon-on-sapphire light-addressable potentiometric sensor	80
Portable high-throughput multimodal immunoassay platform for rapid on-site COVID-19 diagnostics	80
A dual-functional magnetic microsphere for ICP-MS quantification and fluorescence imaging of matrix metalloproteinase 2 in cell secretion	79
Unraveling the in vivo biological fate of mPEG2000-PDLLA2500-COOH diblock copolymers by LC-MS/MS based on CID in source technique	79
Triple acquisition mass spectrometry (TRAM) combining targeted and non-targeted metabolomics in a single run	76
An all-in-one enzymatic DNA network based on catalytic hairpin assembly for label-free and highly sensitive detection of APE1	75
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	70
Mass spectrometric monitoring of ligand-bridged hot electron transfer and anaerobic oxidization on auto renewable droplet-based plasmonic nanoreactors under visible light illumination	70
Development of CadR-based cadmium whole cell biosensor for visual detection of environmental Cd2+	70
Development of a two-in-one integrated bioassay for simultaneous and rapid on-site detection of Pb2+ and Hg2+ in water	70
In situ monitoring PUVA therapy by using a cell-array chip-based SERS platform	69
Light-driven ion extraction of polymeric membranes for on-demand Cu(II) sensing	67
Review on atmospheric pressure ionization sources for gas chromatography-mass spectrometry. Part II: Current applications	67
Precise tumor delineation in clinical tissues using a novel acidic tumor microenvironment activatable near-infrared fluorescent contrast agent	66
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	65
Cluster-Partial Least Squares (c-PLS) regression analysis: Application to miRNA and metabolomic data	65
In vivo profiling of phytocannabinoids in Cannabis spp. varieties via SPME-LC-MS analysis	65
Mutual information map as a new way for exploring the independence of chemically meaningful solutions in two-component analytical data	64
Probe-labeled electrochemical approach for highly selective detection of 5-carboxycytosine in DNA	64
Deactivated fused silica tubing: A solution for flexible time weighted averaging needle trap sampling	63
A supramolecular fluorescence probe that simultaneously responds to viscosity and G-quadruplex for autophagy detection	63
Ultrasensitive lateral flow biosensor based on PtAu@CNTs nanocomposite catalytic chromogenic signal amplification strategy for the detection of nucleic acid	62
A review of aptamer-conjugated nanomaterials for analytical sample preparation: Classification according to the utilized nanomaterials	60
Ultrasmall iron oxide nanoparticles cisplatin (IV) prodrug nanoconjugate: ICP-MS based strategies to evaluate the formation and drug delivery capabilities in single cells	60
3D DNA walkers integrated with self-reporting MOFs: Pioneering ratiometric electrochemical sensing for Staphylococcus aureus	60
Comparison of CIC and HR GFMAS for the measurements of extractable organofluorines (EOF) in different biological tissues of pilot whales	59
Dual-mode colorimetric determination of As(III) based on negatively-charged aptamer-mediated aggregation of positively-charged AuNPs	58
Analytical methods for the characterization and diagnosis of infection with Pseudomonas aeruginosa: A critical review	58
A flexible and wearable PET-based chemiresistive H2S gas sensor modified with MoS2–AgCl@AgNPs nanocomposite for the dynamic monitoring of egg spoilage	58
Critical review on recent trends in cannabinoid determination on cannabis herbal samples: From chromatographic to vibrational spectroscopic techniques	58
An entropy-driven three-dimensional multipedal-DNA walker for ultrasensitive detection of cancer cells	57
A novel type of planar reference electrodes based on ionic liquids	56
Magnetic relaxation switching immunoassay based on “limited-magnitude” particles for sensitive quantification of aflatoxin B1	56
Differentiating ether phosphatidylcholines with a collision energy-optimized MRM method by RPLC-MS/MS and its application to studying ischemia-neuronal injury	56
Boosting photoelectric performance of BiVO4 photoanode by tailoring ultrathin CoSx-Bi2S3 nanolayer for self-powered aptasensing of 17α-ethinylestradiol	56
DNAzyme-assisted the detection of rps27l mRNA in protein nanopores	56
Upconversion nanoparticles/carbon dots (UCNPs@CDs) composite for simultaneous detection and speciation of divalent and trivalent iron ions	56
Highly sensitive gas sensing platforms based on field effect Transistor-A review	56