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    1,3-Bis(cyanomethoxy)calix[4]arene capped CdSe quantum dots for the fluorogenic sensing of fluorene

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    Date
    2017
    Author
    Kumar, Rabindra
    Arora, Meenu
    Jain, A.K.
    Babu, J. Nagendra
    Metadata
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    Abstract
    Capping of 1,3-bis(cyanomethoxy)-tert-butylcalix[4]arene (CAD) onto CdSe quantum dots (QDs) was characterized by a fluorescence enhancement of the QDs (?em = 580 nm) upon surface interaction with the phenolic moiety of CAD. CAD@QD showed selective and sensitive 1.67 fold fluorescence enhancement in the presence of fluorene among fifteen PAHs. The fluorescence enhancement was characterized by monolayer adsorption of fluorene on to the surface of CAD@QD. The limit of detection for fluorene was observed to be 0.8 nM. This method was used and compared with detection of fluorene in spiked respirable dust (PM10) samples collected during an open biomass (stubble) burning event. ? The Royal Society of Chemistry.
    Journal
    RSC Advances
    URI
    http://210.212.34.21/handle/32116/579
    URL
    http://pubs.rsc.org/en/Content/ArticleLanding/2017/RA/C7RA00596B#!divAbstract
    DOI
    10.1039/c7ra00596b
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    • Environmental Science and Technology-Research Publications [168]

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