Abstract
Nitrogen-doped, PEGylated carbon dots (C-dots) have been synthesized for the detection of mercury ions (Hg(2+)). The detection limit was found to be 6.8 nM. However, upon functionalization with dithiothreitol (DTT), it reached to as low as 18 pM. The C-dots-Hg(2+) system was also able to efficiently detect biothiols.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Carbon / chemistry
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Dithiothreitol / chemistry
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Ions / chemistry
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Limit of Detection
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Mercury / analysis*
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Microscopy, Atomic Force
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Nitrogen / chemistry*
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Polyethylene Glycols / chemistry
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Quantum Dots / chemistry*
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Spectrometry, Fluorescence*
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Sulfhydryl Compounds / chemistry*
Substances
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Ions
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Sulfhydryl Compounds
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Polyethylene Glycols
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Carbon
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Mercury
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Nitrogen
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Dithiothreitol