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Pubmed for Handhelds

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  • Title: Quantitative screening for endocrine-disrupting bisphenol A in consumer and household products using NanoAptamer assay.
    Author: Lim HJ, Lee EH, Lee SD, Yoon Y, Son A.
    Journal: Chemosphere; 2018 Nov; 211():72-80. PubMed ID: 30071438.
    Abstract:
    The NanoAptamer assay is a bisphenol A (BPA) quantification method that uses magnetic beads, quantum dot nanoparticles, and a BPA-specific aptamer. In this study, screening of various consumer and household products for BPA was demonstrated utilizing the NanoAptamer assay. First, the experimental conditions suitable for BPA detection using the NanoAptamer assay were examined in terms of incubation time, temperature, and buffer composition. The range of BPA quantification via the NanoAptamer assay was determined to be 0.005-1000 ng/mL of BPA. The selectivity was confirmed by detecting BPA in an analog mixture containing bisphenol S and bisphenol F. Finally, a leaching experiment using 20 consumer and household products classified into 4 categories was performed to demonstrate the capability of the NanoAptamer assay for BPA detection. The experiment was validated by high-performance liquid chromatography analysis (correlation coefficient, r = 0.99).
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