Diode-array UV spectrometric evidence for a concentration dependent phase transition in dilute aqueous solutions of pluronic F87 (poloxamer 237)

S. Gaisford, A. Beezer, J. Mitchell, W. Loh, J. Finnie, Stuart J. Williams
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引用次数: 18

Abstract

Incubation of dilute polymer solutions with a KI–I2 standard shows the presence of a concentration dependent phase transition for the poly(oxyethylene)+ poly(oxypropylene)+ poly(oxyethylene) block copolymer F87 (P237) using diode-array UV spectrometry; the transition is shown to be reversible and reproducible and is in agreement with previous data obtained via high-sensitivity differential scanning microcalorimetry (HSDSC).
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pluronic F87 (poloxam237)稀水溶液中浓度依赖性相变的二极管阵列紫外光谱证据
用KI-I2标准品对稀释聚合物溶液进行孵育,显示聚(氧乙烯)+聚(氧丙烯)+聚(氧乙烯)嵌段共聚物F87 (P237)存在浓度依赖的相变,使用二极管阵列紫外光谱法;这种转变是可逆的和可重复的,并且与以前通过高灵敏度差示扫描微量热法(HSDSC)获得的数据一致。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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