A New Type of Self-Assembled Fluorescent Chemosensor

Zhi Zhang; Xiao Jun Hu; Jing Feng; Li Bin Niu

doi:10.4028/www.scientific.net/AMR.800.27

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Determination of the Competitive Ion Exchange Isotherms of Taurine and Glycine on D290 Resin by Inverse Method
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A New Type of Self-Assembled Fluorescent Chemosensor
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 800A New Type of Self-Assembled Fluorescent...

A New Type of Self-Assembled Fluorescent Chemosensor

Abstract:

According to the principle of dynamic quenching a new ON-OFF fluorescent chemosensor for Cu2+ ions was designed, this chemosensor was composed of sodium dodecyl benzene sulfonate (SDBS), p-tert-butylthiacalix[4]arene (TCA) and perylene through the form of self-assembly in aqueous solution. Addition of Cu2+ ions could result in a quenching of the fluorescence emission of perylene inside micelles, which is ascribed to intramicellar complex-fluorophore electron-transfer or energy-transfer effects induced by the complexation of TCA with the Cu2+ ions.The results of the experiment indicated that: With the condition of TCA/perylene = 1000/1, SDBS concentration was 50mmol/L and pH value above 7, concentration of Cu2+ ion can be linearly determined according to the fluorescence quenching in a certain range.

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Periodical:

Advanced Materials Research (Volume 800)

Pages:

27-30

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.800.27

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Online since:

September 2013

Authors:

Zhi Zhang, Xiao Jun Hu, Jing Feng, Li Bin Niu

Keywords:

Cu²⁺ Ions, Fluorescent Chemosensor, Self-Assembly, Thiacalixarene

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