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
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
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
In situ monitoring PUVA therapy by using a cell-array chip-based SERS platform	69
Review on atmospheric pressure ionization sources for gas chromatography-mass spectrometry. Part II: Current applications	67
Light-driven ion extraction of polymeric membranes for on-demand Cu(II) sensing	67
Precise tumor delineation in clinical tissues using a novel acidic tumor microenvironment activatable near-infrared fluorescent contrast agent	66
In vivo profiling of phytocannabinoids in Cannabis spp. varieties via SPME-LC-MS analysis	65
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
Probe-labeled electrochemical approach for highly selective detection of 5-carboxycytosine in DNA	64
Mutual information map as a new way for exploring the independence of chemically meaningful solutions in two-component analytical data	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
3D DNA walkers integrated with self-reporting MOFs: Pioneering ratiometric electrochemical sensing for Staphylococcus aureus	60
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
Comparison of CIC and HR GFMAS for the measurements of extractable organofluorines (EOF) in different biological tissues of pilot whales	59
Critical review on recent trends in cannabinoid determination on cannabis herbal samples: From chromatographic to vibrational spectroscopic techniques	58
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
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