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Fang et al. have employed two colloidal gold chromatography paper assays for detecting anti-SARS-CoV-2 IgG and IgM directed towards S and N proteins. This assay involved anti-IgG and anti-IgM as the capturing reagents.
Under optimal conditions evaluated by naked eyes, the gold enhancement (LOD = 0.5 ng/mL) and double-sample inlet (LOD = 2 ng/mL) devices exhibited 20-fold and fivefold higher sensitivity ...
Leveraging the benefits of colloid gold from nanoComposix allows developers of lateral flow tests to increase their target analyte's specificity, sensitivity, and detection limit.
Herein, we report the successful synthesis of assembled colloidal gold superparticles (GSPs) and demonstrate their potential as an improved absorption-dominated labeling probe for the sensitive and quantitative detection of disease biomarkers on the sandwich LFIA platform (Figure Figure1 1). The synthetic strategy involved the self-assembly of ...
Colloidal Gold for Lateral Flow. At Fortis Life Sciences, we offer a range of point-of-care diagnostic tests, commonly referred to as lateral flow tests, incorporating colloidal gold for sensitivity and specificity.
In this study, for the first time, we propose a sensitive colloidal gold-based lateral flow immunoassay (LFIA) that can be used to detect carbendazim residues in functional foods. The adoption of inline cleanup LFIA strips effectively improved background interference to reduce misjudgment of results.
Among these labels, colloidal gold nanoparticles (AuNPs) have acceptable biocompatibility. They possess unique optical properties in the presence of different analytes, along with ease of production, conjugation and detection.