scholarly journals Functionalization and metathesis polymerization induced self-assembly of an alternating copolymer into giant vesicles

RSC Advances ◽  
2021 ◽  
Vol 11 (25) ◽  
pp. 15153-15159
Author(s):  
Wei Song ◽  
Jiamin Shen ◽  
Xiang Li
Keyword(s):  
Self Assembly ◽  
Perylene Diimide ◽  
Giant Vesicles ◽  
Metathesis Polymerization ◽  
Alternating Copolymers ◽  
Alternating Copolymer ◽  
Spherical Vesicles

Fluorine (FL) and perylene diimide-based (PDI) α,ω-dienes and α,ω-diacrylates were used to synthesise a series of homopolymers and alternating copolymers and provide spherical vesicles and micelles by metathesis polymerization.

Photocontrolled iodine-mediated reversible-deactivation radical polymerization with a semifluorinated alternating copolymer as the macroinitiator

2020 ◽  
Vol 11 (47) ◽  
pp. 7497-7505
Author(s):  
Jiannan Cheng ◽  
Kai Tu ◽  
Enjie He ◽  
Jinying Wang ◽  
Lifen Zhang ◽  
...  
Keyword(s):  
Block Copolymers ◽  
Radical Polymerization ◽  
Room Temperature ◽  
Blue Led ◽  
Led Light ◽  
Alternating Copolymers ◽  
Alternating Copolymer ◽  
Reversible Deactivation ◽  
Novel Strategy ◽  
Reversible Deactivation Radical Polymerization

A novel strategy for preparing block copolymers with semifluorinated alternating copolymers as macroinitiators was established by photocontrolled iodine-mediated RDRP under irradiation with blue LED light at room temperature.

Synthesis, Self-assembly, and Crystal Structure of a Shape-Persistent Polyhedral-Oligosilsesquioxane-Nanoparticle-Tethered Perylene Diimide

2010 ◽  
Vol 114 (14) ◽  
pp. 4802-4810 ◽  
Author(s):  
Xiangkui Ren ◽  
Bin Sun ◽  
Chi-Chun Tsai ◽  
Yingfeng Tu ◽  
Siwei Leng ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Self Assembly ◽  
Perylene Diimide ◽  
Polyhedral Oligosilsesquioxane

Hydrogen-Bonding Mediated Self-Assembly of Amphiphilic ABA Triblock Copolymers into Well-Defined Giant Vesicles

2021 ◽  
Author(s):  
Huiying Wang ◽  
Qiang Chen ◽  
Zhen Geng ◽  
Jingyi Rao ◽  
Bijin Xiong ◽  
...  
Keyword(s):  
Hydrogen Bonding ◽  
Self Assembly ◽  
Triblock Copolymers ◽  
Giant Vesicles

Giant vesicles represent an extremely useful system to mimick biomembranes; however, available methodologies towards easy and direct vesicles construction are still scarce. By designing a hydrogen-bonding (H-bonding) amphiphilic ABA triblock...

scholarly journals Toward Experimental Evolution with Giant Vesicles

Life ◽  
2018 ◽  
Vol 8 (4) ◽  
pp. 53 ◽  
Author(s):  
Hironori Sugiyama ◽  
Taro Toyota
Keyword(s):  
Chemical Evolution ◽  
Self Assembly ◽  
Experimental Evolution ◽  
Microfluidic Devices ◽  
Future Perspective ◽  
Cell Models ◽  
Giant Vesicles ◽  
Chemical Models ◽  
Recent Developments ◽  
Oil Emulsions

Experimental evolution in chemical models of cells could reveal the fundamental mechanisms of cells today. Various chemical cell models, water-in-oil emulsions, oil-on-water droplets, and vesicles have been constructed in order to conduct research on experimental evolution. In this review, firstly, recent studies with these candidate models are introduced and discussed with regards to the two hierarchical directions of experimental evolution (chemical evolution and evolution of a molecular self-assembly). Secondly, we suggest giant vesicles (GVs), which have diameters larger than 1 µm, as promising chemical cell models for studying experimental evolution. Thirdly, since technical difficulties still exist in conventional GV experiments, recent developments of microfluidic devices to deal with GVs are reviewed with regards to the realization of open-ended evolution in GVs. Finally, as a future perspective, we link the concept of messy chemistry to the promising, unexplored direction of experimental evolution in GVs.

scholarly journals Macromolecular Brushes by Combination of Ring-Opening and Ring-Opening Metathesis Polymerization. Synthesis, Self-Assembly, Thermodynamics, and Dynamics

2018 ◽  
Vol 51 (21) ◽  
pp. 8940-8955 ◽  
Author(s):  
Christiana Nikovia ◽  
Lazaros Theodoridis ◽  
Stelios Alexandris ◽  
Panayiotis Bilalis ◽  
Nikos Hadjichristidis ◽  
...  
Keyword(s):  
Self Assembly ◽  
Ring Opening ◽  
Ring Opening Metathesis Polymerization ◽  
Metathesis Polymerization ◽  
Thermodynamics And Dynamics

scholarly journals Tubular Assembly Formation Induced by Leucine Alignment along the Hydrophobic Helix of Amphiphilic Polypeptides

2021 ◽  
Vol 22 (21) ◽  
pp. 12075
Author(s):  
Mohammed A. Abosheasha ◽  
Toru Itagaki ◽  
Yoshihiro Ito ◽  
Motoki Ueda
Keyword(s):  
Double Layer ◽  
Self Assembly ◽  
Helical Structure ◽  
Tube Formation ◽  
Rolled Sheet ◽  
Α Helix ◽  
Necessary And Sufficient ◽  
Hydrophobic Helix ◽  
Nanotube Dispersion ◽  
Spherical Vesicles

The introduction of α-helical structure with a specific helix–helix interaction into an amphipathic molecule enables the determination of the molecular packing in the assembly and the morphological control of peptide assemblies. We previously reported that the amphiphilic polypeptide SL12 with a polysarcosine (PSar) hydrophilic chain and hydrophobic α-helix (l-Leu-Aib)6 involving the LxxxLxxxL sequence, which induces homo-dimerization due to the concave–convex interaction, formed a nanotube with a uniform 80 nm diameter. In this study, we investigated the importance of the LxxxLxxxL sequence for tube formation by comparing amphiphilic polypeptide SL4A4L4 with hydrophobic α-helix (l-Leu-Aib)2-(l-Ala-Aib)2-(l-Leu-Aib)2 and SL12. SL4A4L4 formed spherical vesicles and micelles. The effect of the LxxxLxxxL sequence elongation on tube formation was demonstrated by studying assemblies of PSar-b-(l-Ala-Aib)-(l-Leu-Aib)6-(l-Ala-Aib) (SA2L12A2) and PSar-b-(l-Leu-Aib)8 (SL16). SA2L12A2 formed nanotubes with a uniform 123 nm diameter, while SL16 assembled into vesicles. These results showed that LxxxLxxxL is a necessary and sufficient sequence for the self-assembly of nanotubes. Furthermore, we fabricated a double-layer nanotube by combining two kinds of nanotubes with 80 and 120 nm diameters—SL12 and SA2L12A2. When SA2L12A2 self-assembled in SL12 nanotube dispersion, SA2L12A2 initially formed a rolled sheet, the sheet then wrapped the SL12 nanotube, and a double-layer nanotube was obtained.

Dual thermo-responsive amphiphilic alternating copolymers: one-pot synthesis and the temperature-induced self-assembly

2020 ◽  
Vol 55 (24) ◽  
pp. 10910-10921
Author(s):  
Zi-Kun Rao ◽  
Hai-liang Ni ◽  
Yu Liu ◽  
Yang Li ◽  
Hong-Yu Zhu ◽  
...  
Keyword(s):  
Self Assembly ◽  
One Pot ◽  
Alternating Copolymers ◽  
One Pot Synthesis
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