OOIR: Observatory of International Research

Papers

(The H4-Index of Analytical Methods is 30. 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
Contents list	99
Nanoparticle-aptamer based cytosensing for the detection of human non-small cell lung cancer cells	83
An immunochromatographic strip sensor for rapid and sensitive detection of candesartan, olmesartan medoxomil, and irbesartan in herbal beverages	77
Front cover	75
UPLC-QTOF-MS-based metabolomics and chemometrics studies of geographically diverse C. torulosa needles	60
Contents list	57
Quantitative analysis of multiple breast cancer biomarkers using DNA-PAINT	56
A rhodamine coumarin-derived fluorescence probe that selectively detects Fe³⁺ and measures radiation doses	53
Recent progress in gold-derived nanomaterials for tumor theranostics	52
An effective method for detecting nitrous oxide using alkaline washing and GC-MS	52
Development of a new paper-based voltage step electrocoagulation technique and application to wine classification	51
A high resolution Fourier transform ion trap enabled by image current splicing: a theoretical study	46
Screening and detection of multivalent human papillomavirus antibodies using a high-throughput liquid chip fluoroimmunoassay system	46
An angled-shape tip-based strategy for highly sensitive proteomic profiling of a low number of cells	44
Back cover	41
Back cover	39
Recent advances in small-molecule fluorescent probes with the function of targeting cancer receptors	38
Contents list	37
Back cover	37
Contents list	37
Contents list	37
Back cover	36
Improved estimates of expanded measurement uncertainty	35
Retraction: NiFe₂O₄ nanoparticles decorated with MWCNTs as a selective and sensitive electrochemical sensor for the determination of epinephrine using differential pulse voltamme	35
Contents list	35

Alternative digestion strategy for Ti, Zr and Hf oxides: eliminating hydrofluoric acid	32
Caffeine quantification in dietary supplements using high-throughput on-line solid phase extraction coupled to Venturi easy ambient sonic-spray ionization mass spectrometry	31
A pyrolysis gas chromatography high resolution mass spectrometry (Py-GC-MS) method for analysis of phthalic acid esters and its application for screening e-waste materials	30
A review of organic small-molecule fluorescent probes for the gallium(iii) ion	30
Amplified electrochemical detection of sulfadiazine based on Cu-BTC-encapsulated FeNi dual-atom catalysts with improved catalytic efficiency	30