Surface Mechanical Behavior of Water-Spread Poly(styrene)-Poly(ethylene glycol) Cylindrical Micelles at the Air-Water Interface

被引：0
|
作者：
Jun, Taesuk [1 ]
Fesenmeier, Daniel J. [1 ]
Won, You-Yeon [1 ,2 ]
机构：
[1] Purdue Univ, Davidson Sch Chem Engn, W Lafayette, IN 47907 USA
[2] Purdue Univ, Inst Canc Res, W Lafayette, IN 47907 USA
来源：
ACS APPLIED POLYMER MATERIALS | 2024年 / 6卷 / 04期
关键词：
Amphiphilic block copolymermicelle; micelle shape; cylindrical micelles; surface pressure-area isotherm; poly(styrene)-poly(ethyleneglycol); RESPIRATORY-DISTRESS-SYNDROME; PULMONARY SURFACTANT; DIBLOCK COPOLYMERS; MORPHOLOGIES; MONOLAYER; FILMS;
D O I：
10.1021/acsapm.4c00109
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We investigated the air-water interfacial properties of poly(styrene)-poly(ethylene glycol) (PS-PEG) micelles for potential use in treating respiratory distress syndrome (RDS). We created kinetically frozen cylindrical PS-PEG micelles through equilibration-nanoprecipitation. Similar to spherical micelles, cylindrical micelles generated high surface pressure during compression, a crucial factor for the RDS treatment. However, cylindrical micelles displayed a unique monolayer-to-bilayer transition, resulting in an additional plateau in their surface pressure-area isotherm before eventual collapse during compression, a phenomenon absent in spherical micelles. Moreover, cylindrical micelles exhibited an increased isotherm hysteresis during compression-expansion cycles. These distinct characteristics have the potential to make cylindrical nanostructures more advantageous for the intended applications.
引用
收藏
页码：2054 / 2060
页数：7
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