光谱学与光谱分析 |
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Preparation of Lomefloxacin-Tb3+ Nanoparticles Modified by PVP via Microwave-Assistance and Its Properties of Fluorescence |
HE Hua1,2,YE Hai-ying1,LIU Xuhui3 |
1. Division of Analytical Chemistry,China Pharmaceutical University,Nanjing 210009, China 2. Key Laboratory of Drug Quality Control and Pharmacovigilance, China Pharmaceutical University, Ministry of Education,Nanjing 210009, China 3. Unite de Recherche INSERM 602,GroupeHospitalier Paul Brousse,12 Avenue Paul Vaillant Couturier,94807 Villejuif Cedex France |
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Abstract Polyvinylpyrrolidone(PVP)-modified LFLX-Tb3+ nanoparticles were prepared by microwave radiation method. The obtained products were characterized by means of SEM, FTIR and fluorescence spectra. The surface-modified LFLX-Tb3+ nanoparticles showed a narrow size distribution and enhanced luminescence property compared with that of the unmodified ones. These results were attibuted to the surface passivation of the LFLX-Tb3+ nanoparticles by the PVP molecules. It is confirmed that the addition dosage of PVP is an important factor in the preparation of the LFLX-Tb3+ nanoparticles. The reasons for luminescence enhancement were discussed.
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Received: 2006-04-04
Accepted: 2006-08-02
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Corresponding Authors:
HE Hua
E-mail: dochehua@163.com
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Cite this article: |
HE Hua,YE Hai-ying,LIU Xuhui. Preparation of Lomefloxacin-Tb3+ Nanoparticles Modified by PVP via Microwave-Assistance and Its Properties of Fluorescence [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(06): 1164-1167.
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URL: |
https://www.gpxygpfx.com/EN/Y2007/V27/I06/1164 |
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