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Three types of hydrophobic surfactants with one, two and three C18-alkyl chains, including octadecyltrimethylammonium bromide (OTMA), dioctadecyldimethylammonium bromide (DODMA) and trioctadecylmethylammonium bromide (TOMA), were used to construct sensing films for tetrabromobisphenol A (TBBPA). In pH 4.6 acetate buffer, an oxidation peak with low height is observed for TBBPA on the surface of glassy...
It is very challenging to develop highly-sensitive analytical platforms for toxic synthetic colourants that widely added in food samples. Herein, a series of porous carbon (PC) was prepared using CaCO3 nanoparticles (nano-CaCO3) as the hard template and starch as the carbon precursor. Characterizations of scanning electron microscopy and transmission electron microscopy indicated that the morphology...
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