Elongation flow-triggered morphology transitions of dendritic polyethylene amphiphilic assemblies: host–guest implications

Jieqing Zhu; Minghao Tan; Ling Zhang; Qihe Yin

doi:10.1039/C4SM01012D

Elongation flow-triggered morphology transitions of dendritic polyethylene amphiphilic assemblies: host–guest implications

Jieqing Zhu,^a Minghao Tan,^a Ling Zhang*^a and Qihe Yin^a

Author affiliations

* Corresponding authors

^a DSAPM Lab, PCFM Lab, OFCM Institute, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China
E-mail: ceszl@mail.sysu.edu.cn

Abstract

The assemblies and transformations of dendritic polyethylene (DPE)–poly(oligo(ethyleneglycol) methacrylate) (POEGMA) amphiphilic micelles have been demonstrated by cryo-TEM and DLS techniques under elongation flow stimuli. The flow rate-dependence of the dissymmetry ratio suggests the possibility that a combination of shear and elongation could also be responsible for the transitions of DPE–POEGMAs, but it is obvious that the exposure of elongation flow is essential and plays a key role in the assembly and fusion of the DPE–POEGMA micelles. Fluorescence resonance energy transfer (FRET) is used to provide insight into the assembly and fusion of DPE–POEGMA under elongation flow. The FRET results show that a shorter separation distance of DiO–DiI with higher elongation rate can result in higher FRET efficiency. Furthermore, DPE–POEGMAs can display the responsive switching ability of the elongation flow-triggered FRET.

Supplementary files

Publication details

The article was received on 09 May 2014, accepted on 20 Jun 2014 and first published on 23 Jun 2014

Article type: Paper

DOI: 10.1039/C4SM01012D

Citation: Soft Matter, 2014,10, 6506-6513

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Elongation flow-triggered morphology transitions of dendritic polyethylene amphiphilic assemblies: host–guest implications

J. Zhu, M. Tan, L. Zhang and Q. Yin, Soft Matter, 2014, 10, 6506
DOI: 10.1039/C4SM01012D
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Soft Matter

Elongation flow-triggered morphology transitions of dendritic polyethylene amphiphilic assemblies: host–guest implications

Abstract

Supplementary files

Publication details

Elongation flow-triggered morphology transitions of dendritic polyethylene amphiphilic assemblies: host–guest implications

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