| B-藻红蛋白多层复合薄膜的静电组装及其光谱特性 |
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| 引用本文： | 周林,胡金梅,郭祀远. B-藻红蛋白多层复合薄膜的静电组装及其光谱特性[J]. 感光科学与光化学, 2009, 0(1) |
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| 作者姓名： | 周林 胡金梅 郭祀远 |
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| 作者单位： | 广东药学院生命科学与生物制药学院;华南师范大学激光生命科学研究所;华南理工大学轻工与食品学院; |
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| 摘 要： | B-藻红蛋白是一种理想的生物光电材料.利用静电组装技术制备了聚二甲基二烯丙基氯化铵(PDDA)与B-藻红蛋白组装的多层复合薄膜.对薄膜的可见吸收光谱和荧光光谱进行了分析,结果表明:与B-藻红蛋白在溶液中的光谱特征相比,B-藻红蛋白在薄膜上的最大吸收峰由545 nm红移至553 nm,并在573 nm处产生了延迟荧光现象,且薄膜的最大吸光度和光致发射强度均与组装层数呈线性递增关系.随着薄膜组装层数的增加,倒置荧光显微镜能很好地观察到B-藻红蛋白在薄膜上出现明显的聚集体.
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| 关 键 词： | B-藻红蛋白 光谱特性 薄膜 静电自组装 |
Electrostatic Self-Assembly Multilayer Films of B-PE and Its Spectrum Characteristic |
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| ZHOU Lin,HU Jin-mei,,GUO Si-yuan. Electrostatic Self-Assembly Multilayer Films of B-PE and Its Spectrum Characteristic[J]. Photographic Science and Photochemistry, 2009, 0(1) |
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| Authors: | ZHOU Lin HU Jin-mei GUO Si-yuan |
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| Affiliation: | 1.College of Life Science and Biological Pharmacy;Guangdong Pharmaceutical University;Guangzhou 510006;Guangdong;P.R.China;2.Institute of Laser Life Science;South China Normal University;Guangzhou 510631;3.College of Light Industry and Food Science;South China University of Technology;Guangzhou 510640;P.R.China |
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| Abstract: | B-Phycoerythrin was an novel bio-photoelectronic material.Multilayer films formed of PDAA and B-PE were prepared by electrostatic self-assembly method.Visible absorption spectrum and fluorescent spectrum of the multilayer films were studied.The result showed the maximum absorption peak occurred red shift from 545 nm to 553 nm,and a delayed fluorescence peak at 573 nm was observed,the maximum absorption and photoluminescence intensity increases in proportion to the assembled layers.With the increase of the s... |
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| Keywords: | B-Phycoerythrin spectrum characteristic thin film electrostatic self-assembly |
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