Atomic Force Microscopy Study of E99P69E99 Triblock Copolymer Chains on Silicon Surface

淡江大學機構典藏 > 理學院 > 化學學系暨研究所 > 期刊論文 > Item 987654321/25563

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题名:	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.
贡献者:	淡江大學化學學系
日期:	2000-01-25
上传时间:	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
显示于类别:	[化學學系暨研究所] 期刊論文

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