| 光谱学与光谱分析 |
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| Study on the Fluorescence of Poly(amidoamine) Dendrimers Decorated with Coumarin-3-Methyl Acyl Chloride on the Periphery |
| MO Zun-li1, 2, LIU Yan-zhi1, CHEN Hong1, SUN Wan-hong1, LI He-jun2 |
1. College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China
2. College of Material Science and Engineering, Northwestern Politechnical University, Xi’an 710072, China |
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Abstract The polyamidoamine dendrimers, PAMAM-CMAC, was synthesized by decorating PAMAM dendrimer with coumarin-3-methyl acyl chlorine on the periphery. The structures were characterized by FTIR and 1H-NMR spectra. The fluorescence analysis indicated the PAMAM-CMAC exhibits strong fluorescence emission. The fluorescence intensity of PAMAM-CMAC is much higher than that of PAMAM dendrimer. The fluorescence intensity of PAMAM-CMAC was affected by pH, concentration and solvent. At a considerably big pH value range, the fluorescence emission of PAMAM-CMAC is comparatively stable. Meanwhile, the fluorescence emission of PAMAM-CMAC shifts to longer wavelength with the increase in solvent polarity.
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Received: 2005-12-10
Accepted: 2006-03-16
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Corresponding Authors:
MO Zun-li
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| Cite this article: |
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MO Zun-li,LIU Yan-zhi,CHEN Hong, et al. Study on the Fluorescence of Poly(amidoamine) Dendrimers Decorated with Coumarin-3-Methyl Acyl Chloride on the Periphery[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(11): 2080-2084.
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https://www.gpxygpfx.com/EN/Y2006/V26/I11/2080 |
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