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    題名: Atomic Force Microscopy Study of E99P69E99 Triblock Copolymer Chains on Silicon Surface
    作者: 吳俊弘;Wu, Chunhung;Liu, T.;White, H.;Chu, B.
    貢獻者: 淡江大學化學學系
    日期: 2000-01-25
    上傳時間: 2009-12-01 09:00:44 (UTC+8)
    出版者: American Chemical Society (ACS)
    摘要: Atomic force microscopy (AFM) was employed to study the formation of Pluronic Polyol F127 oxyethylene99−oxypropylene69−oxyethylene99 (E99P69E99) triblock copolymer micelles on surface-treated silicon substrates. The micellar size determined by dynamic light scattering and small-angle X-ray scattering techniques was 20−30 nm. The two-dimensional micelle size measured by ambient AFM on the modified silicon surfaces was somewhat distorted (20−50 nm in the xy dimension and ∼7 nm in the z dimension) under the environmental conditions present during scanning (i.e., copolymer chain collapsing in air and AFM tip distortion during scanning). Surface treatment was more important than solution concentration for micelle formation on the silicon surfaces. The results could be correlated with the effect of inner capillary surface coating on the resolution of double-stranded DNA capillary electrophoresis by using E99P69E99/1X TBE buffer as the separation medium.
    關聯: Langmuir 16(2), pp.656-661
    DOI: 10.1021/la990729p
    顯示於類別:[化學學系暨研究所] 期刊論文

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