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  • Title: Selective Determination of Atropine Using poly Dopamine-Coated Molecularly Imprinted Mn-Doped ZnS Quantum Dots.
    Author: Abbasifar J, Samadi-Maybodi A.
    Journal: J Fluoresc; 2016 Sep; 26(5):1645-52. PubMed ID: 27325114.
    Abstract:
    In this study, a selective method for the determination of atropine in pharmaceutical formulations was proposed. L-cysteine capped Mn-doped ZnS quantum dots (QDs) were prepared in an in-situ method using sodium thiosulfate precursor and characterized by spectrofluorometer, Fourier transform infrared spectroscopy (FT-IR), transmission electron microscope (TEM) and X-ray diffractometer (XRD). Dopamine hydrochloride was used as a precursor for preparation of poly dopamine-coated molecularly imprinted Mn-doped ZnS quantum dots. Finally, these prepared molecularly imprinted Mn-doped ZnS quantum dots were used for determination of atropine in pharmaceutical formulations. The obtained linear range for determination of atropine was in the range of 2 × 10(-8) - 7 × 10(-6) M, with a correlation coefficient (R(2)) of 0.9889; and the detection limit (S/N = 3) was 3.2 nM.
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