Supramolecular Side-Chain Functionalized 
Polymers: Synthesis and Self-Assembly Behavior of Polynorbornenes 
Bearing PdII SCS Pincer Complexes

A self-consistent field theory based on the wormlike chain model is implemented in the investigation of the self-assembly behavior of bottlebrush block polymers in the formation of a lamellar phase.

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Self-Assembly Behavior of Triphenylene-Based Side-Chain Discotic Liquid Crystalline Polymers

Macromolecules ◽

10.1021/acs.macromol.7b00655 ◽

2017 ◽

Vol 50 (14) ◽

pp. 5556-5564 ◽

Cited By ~ 16

Author(s):

Minqing Gong ◽

Qiuyan Yu ◽

Shiying Ma ◽

Fang Luo ◽

Rong Wang ◽

...

Keyword(s):

Self Assembly ◽

Liquid Crystalline ◽

Liquid Crystalline Polymers ◽

Side Chain ◽

Crystalline Polymers ◽

Assembly Behavior

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Effects of side chains of oxatub[4]arene on its conformational interconversion, molecular recognition and macroscopic self-assembly

Chemical Communications ◽

10.1039/c7cc07630d ◽

2017 ◽

Vol 53 (93) ◽

pp. 12572-12575 ◽

Cited By ~ 5

Author(s):

Liu-Pan Yang ◽

Fei Jia ◽

Fangfang Pan ◽

Zhi-Sheng Pan ◽

Kari Rissanen ◽

...

Keyword(s):

Molecular Recognition ◽

Chain Length ◽

Self Assembly ◽

Side Chain ◽

Side Chains ◽

Side Chain Length ◽

Conformational Interconversion ◽

Assembly Behavior

The side-chain length of oxatub[4]arenes was shown to affect its conformational interconversion, molecular recognition and macroscopic self-assembly behavior.

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Synthesis of 2-hydroxy-3-isopropoxypropyl guar gum and its thermo-responsive property for controlled release

BioResources ◽

10.15376/biores.15.4.7615-7627 ◽

2020 ◽

Vol 15 (4) ◽

pp. 7615-7627

Author(s):

Ye Tian ◽

Yue Shang ◽

He Ma ◽

Ying Liu

Keyword(s):

Controlled Release ◽

Self Assembly ◽

Guar Gum ◽

Glycidyl Ether ◽

Nile Red ◽

Solution Temperature ◽

Side Chain ◽

Hydrophobic Region ◽

Transmission Electron ◽

Assembly Behavior

2-Hydroxy-3-isopropoxypropyl guar gum (HIPGG), which is a novel polysaccharide-based thermo-responsive polymer, was synthesized via grafting a hydrophobic reagent (isopropyl glycidyl ether (IPGE)) onto a hydrophilic main backbone (guar gum (GG)). The HIPGG exhibited reversible and tunable thermo-responsive properties. Changing the molar substitution (MS) of the hydrophobic side chain enabled the lower critical solution temperature (LCST) to be adjusted within the range of 29.6 °C to 43.7 °C. Fluorescence spectrometry, dynamic light scattering (DLS), and transmission electron microscopy (TEM) were used to investigate the self-assembly behavior of HIPGG and the thermo-dependent size of its aggregates. It was demonstrated that HIPGG formed stable aggregates in aqueous solution, and the diameters of the aggregates increased as temperature increased. Subsequently, Nile red was used as a model to investigate the encapsulation and temperature-controlled release behaviors in HIPGG aggregates. The results indicated that Nile red was easily encapsulated in the hydrophobic region of HIPGG aggregates, and its release at 36 °C, 38 °C, and 42 °C revealed that temperature had a remarkable impact on release behavior.

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Tracking self-assembly morphology of cationic peptide analogues using turbidimetric- potentiometric titration

International Journal of Engineering & Technology ◽

10.14419/ijet.v7i3.11403 ◽

2018 ◽

Vol 7 (3) ◽

pp. 1067 ◽

Cited By ~ 1

Author(s):

Huey Ling Tan ◽

Ying Pei Lim ◽

Mohomad Sufian So’aib

Keyword(s):

Self Assembly ◽

Side Chain ◽

Net Charge ◽

Structural Conformation ◽

Turbidity Level ◽

Spherical Structures ◽

Ordered Nanostructures ◽

Assembly Behavior ◽

Order Structures ◽

Peptide Analogues

Peptide amphiphiles are promising molecular materials for drug delivery systems and regenerative medicine through formation of well-ordered nanostructures. Rationally designed self-associating synthetic peptide analogues containing arginine (FEFEFRFR) and lysine (FEFEFKFK) were studied to understand the effect of pH and side chain interactions and its influence on the resulting nanostructure formation. Changes in structural conformation in bulk were followed by turbidimetric-potentiometric titrations with pH ranges from 4 to 11 and 4 to 12.6 for FEFEFKFK and FEFEFRFR respectively. Fourier Transform Infrared Spectroscopy (FTIR) was used to determine the secondary structure of the peptides while Field Emission Scanning Electron Microscopy (FE-SEM) was employed to study the morphology and dimension of higher order structures at various pH. Turbidity results showed that both FEFEFKFK and FEFEFRFR displayed higher turbidity level when their side chains were neutralized, in which FEFEFRFR showed higher turbidity level when arginine was neutralized. Both peptides exhibited similar self-assembly behavior in solution which mainly adopted antiparallel β-sheets conformation with spherical structures of different micro-metre size when there is a net charge of +2 or -2. FEFEFKFK was also found to form concaved disks and beads-on-a-string arrangement at pH 4. Both the peptide analogues were capable of forming smaller aggregates in a network of spherical structure at nanoscale when the net charge was near zero. This study ultimately provides a better understanding of predicting morphology and size of surface functional modification of self-assembled polypeptides.

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Synthesis of aminated polystyrene and its self-assembly with nanoparticles at oil/water interface

e-Polymers ◽

10.1515/epoly-2020-0038 ◽

2020 ◽

Vol 20 (1) ◽

pp. 317-327

Author(s):

Chenliang Shi ◽

Ling Lin ◽

Yukun Yang ◽

Wenjia Luo ◽

Maoqing Deng ◽

...

Keyword(s):

Interfacial Tension ◽

Self Assembly ◽

Carbon Dots ◽

Chain Transfer ◽

Functionalized Polymers ◽

Amino Groups ◽

One Dimensional ◽

Reversible Addition ◽

Oil Water ◽

Chain Transfer Polymerization

AbstractThe influence of density of amino groups, nanoparticles dimension and pH on the interaction between end-functionalized polymers and nanoparticles was extensively investigated in this study. PS–NH2 and H2N–PS–NH2 were prepared using reversible addition–fragmentation chain transfer polymerization and atom transfer radical polymerization. Zero-dimensional carbon dots with sulfonate groups, one-dimensional cellulose nanocrystals with sulfate groups and two-dimensional graphene with sulfonate groups in the aqueous phase were added into the toluene phase containing the aminated PS. The results indicate that aminated PS exhibited the strongest interfacial activity after compounding with sulfonated nanoparticles at a pH of 3. PS ended with two amino groups performed better in reducing the water/toluene interfacial tension than PS ended with only one amino group. The dimension of sulfonated nanoparticles also contributed significantly to the reduction in the water/toluene interfacial tension. The minimal interfacial tension was 4.49 mN/m after compounding PS–NH2 with sulfonated zero-dimensional carbon dots.

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Self-Assembly of Single Chain Janus Nanoparticles from Azobenzene-Containing Block Copolymers and Reversible Photoinduced Morphology Transition

Polymer Chemistry ◽

10.1039/d1py00223f ◽

2021 ◽

Author(s):

Wei Wen ◽

Aihua Chen

Keyword(s):

Block Copolymers ◽

Experimental Research ◽

Self Assembly ◽

The Self ◽

Single Chain ◽

Morphology Transition ◽

Janus Nanoparticles ◽

Assembly Behavior

Self-assembly of amphiphilic single chain Janus nanoparticles (SCJNPs) is a novel and promising approach to fabricate assemblies with diversified morphologies. However, the experimental research of the self-assembly behavior of SCJNPs...

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