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Freeze-fracture transmission electron microscopy studies on the self-assemblies of amphiphilic solutions |
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| Authors: | Jingcheng?Hao mailto:jhao@sd.edu.cn" title=" jhao@sd.edu.cn" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author,Jianbin?Huang,Guiying?Xu,Liqiang?Zheng,Weimin?Liu,H.?Hoffmann |
| Affiliation: | 1. Key Laboratory for Colloid and Interface Chemistry, Shandong University, Ministry of Education, Jinan 250100, China; Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China 2. College of Chemistry, Peking University, Beijing 100871, China 3. Key Laboratory for Colloid and Interface Chemistry, Shandong University, Ministry of Education, Jinan 250100, China 4. Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China 5. Physical Chemistry I, Bayreuth University, Bayreuth 95440, Germany |
| Abstract: | Self-assemblies of amphiphiles in solutions were investigated by using freeze-fracture transmission electron microscopy (FF-TEM). Especially, vesicles were characterized by FF-TEM and the transition of self-assemblies was determined. The stacked lamellar La-phase was prepared without shear forces by a chemical reaction. The stacked lamellar La-phase can be transformed into multilamellar vesicles by the shearing forces that occur when the stacked lamellar La-phase sample is turned upside down a few times. The multilamellar vesicles can also be transformed into unilamellar vesicles by high shearing forces. These transitions were demonstrated by FF-TEM measurements. 2n2+-induced vesicle formation in the single-chain surfactant solutions was first achieved. |
| Keywords: | freeze-fracture transmission electron microscopy amphiphiles vesicles shear force. |
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