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In this work, a novel, rapid and ultrasensitive chemiluminescence (CL) method is established for sensing the fluorescent dye calcein in water, which is composed of peroxynitrous acid (ONOOH), calcein and modified kaolin. This is the first time that the modified kaolin is applied to CL analysis and used as catalyst and adsorbent in the ONOOH-calcein-modified kaolin CL system to enhance the signals...
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