OOIR: Observatory of International Research

Papers

(The H4-Index of Analytical Methods is 28. 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 2022-06-01 to 2026-06-01.)

Article	Citations
Contents list	85
An immunochromatographic strip sensor for rapid and sensitive detection of candesartan, olmesartan medoxomil, and irbesartan in herbal beverages	82
Front cover	78
UPLC-QTOF-MS-based metabolomics and chemometrics studies of geographically diverse C. torulosa needles	71
Contents list	67
An effective method for detecting nitrous oxide using alkaline washing and GC-MS	59
Recent progress in gold-derived nanomaterials for tumor theranostics	58
Screening and detection of multivalent human papillomavirus antibodies using a high-throughput liquid chip fluoroimmunoassay system	50
A high resolution Fourier transform ion trap enabled by image current splicing: a theoretical study	43
Back cover	41
Back cover	40
Contents list	38
Contents list	38
Contents list	37
Back cover	36
Front cover	36
Electrochemical aptasensor based on DNA-templated copper nanoparticles and RecJf exonuclease-assisted target recycling for lipopolysaccharide detection	34
Metal nanoprobe-decorated all-inorganic perovskite nanocrystal-based fluorescence-linked immunosorbent assay for the detection of tumor-derived exosomes	33
A visual ratiometric fluorescence sensor for glutathione response based on MnO₂ nanowires as an oxidant, quencher and recognition unit	33
Optimization of micro-QuEChERS extraction coupled with gas chromatography-mass spectrometry for the fast determination of phthalic acid esters in mussel samples	33
A fluorescence sensor array for biothiol detection and disease identification based on a CoOOH nanoflake triggered dual-color fluorescence system	32
Improved estimates of expanded measurement uncertainty	31
Rational design to improve the detection sensitivity of sandwich-type lateral flow immunoassays	31
Effects of targeted lung cancer drugs on cardiomyocytes studied by atomic force microscopy	31
Contents list	30

Amplified electrochemical detection of sulfadiazine based on Cu-BTC-encapsulated FeNi dual-atom catalysts with improved catalytic efficiency	30
Design and application of potentiometric sensors for the determination of mefenamic and phenylanthranilic acids	29
Multiply charged ion profiles in the UHPLC-HRMS analysis of palytoxin analogues from Ostreopsis cf. ovata blooms	28
DLD-based on-chip sample handling for label-free single-cell MS cytometry	28