Self-Assembly Behavior of a Stimuli-Responsive Water-Soluble [60]Fullerene-Containing Polymer

Langmuir ◽  
2004 ◽  
Vol 20 (20) ◽  
pp. 8569-8575 ◽  
Author(s):  
S. Dai ◽  
P. Ravi ◽  
C. H. Tan ◽  
K. C. Tam
Keyword(s):  
Self Assembly ◽  
Water Soluble ◽  
Stimuli Responsive ◽  
Assembly Behavior

scholarly journals pH- and concentration-dependent supramolecular self-assembly of a naturally occurring octapeptide

2020 ◽  
Vol 16 ◽  
pp. 2017-2025
Author(s):  
Goutam Ghosh ◽  
Gustavo Fernández
Keyword(s):  
Self Assembly ◽  
Ph Value ◽  
Secondary Structures ◽  
Random Coil ◽  
Conformational Transformation ◽  
Stimuli Responsive ◽  
Responsive Materials ◽  
Force Microscopy ◽  
Assembly Behavior ◽  
Novel Drug

Peptide-based biopolymers represent highly promising biocompatible materials with multiple applications, such as tailored drug delivery, tissue engineering and regeneration, and as stimuli-responsive materials. Herein, we report the pH- and concentration-dependent self-assembly and conformational transformation of the newly synthesized octapeptide PEP-1. At pH 7.4, PEP-1 forms β-sheet-rich secondary structures into fractal-like morphologies, as verified by circular dichroism (CD), Fourier-transform infrared (FTIR) spectroscopy, thioflavin T (ThT) fluorescence spectroscopy assay, and atomic force microscopy (AFM). Upon changing the pH value (using pH 5.5 and 13.0), PEP-1 forms different types of secondary structures and resulting morphologies due to electrostatic repulsion between charged amino acids. PEP-1 can also form helical or random-coil secondary structures at a relatively low concentration. The obtained pH-sensitive self-assembly behavior of the target octapeptide is expected to contribute to the development of novel drug nanocarrier assemblies.

Synthesis and supramolecular self-assembly of stimuli-responsive water-soluble Janus-type heteroarm star copolymers

Soft Matter ◽  
2009 ◽  
Vol 5 (20) ◽  
pp. 3932 ◽  
Author(s):  
Zhishen Ge ◽  
Jian Xu ◽  
Jinming Hu ◽  
Yanfeng Zhang ◽  
Shiyong Liu
Keyword(s):  
Self Assembly ◽  
Water Soluble ◽  
Stimuli Responsive ◽  
Star Copolymers

scholarly journals Controlling the Emission Properties of Quantum Rods via Multiscale 3D Ordered Organization

2021 ◽  
Vol 2021 ◽  
pp. 1-9
Author(s):  
Thomas Bizien ◽  
Marie Postic ◽  
Pascale Even-Hernandez ◽  
Pascal Panizza ◽  
Cristelle Mériadec ◽  
...  
Keyword(s):  
Optical Properties ◽  
Self Assembly ◽  
Optical Response ◽  
Optically Active ◽  
Water Soluble ◽  
X Ray ◽  
Quantum Rods ◽  
X Ray Scattering ◽  
Optical Electron ◽  
Assembly Behavior

A specific organization of optically active nanoscale objects can greatly affect the optical response of a system. Here, we report the controlled modification of the fluorescent emission by the assembly of water-soluble quantum rods (QRs). Our study combines optical, electron microcopy, and X-ray scattering characterizations to reveal a correlation between the self-assembly behavior of QRs into ordered 3D-arrays and the optical properties (luminescence) of formed assemblies, where the observed optical response is highly dependent on the QR aspect ratio. Specifically, shorter, 18 nm long QRs (QR18), exhibiting a well-defined smectic packing, demonstrate an enhancement of the emission intensity accompanied by a red shift and a lifetime reduction. In contrast, 40 nm long QRs (QR40), forming a columnar phase, does not show these optical properties.

scholarly journals Correction: Novel azobenzene-based amphiphilic copolymers: synthesis, self-assembly behavior and multiple-stimuli-responsive properties

RSC Advances ◽  
2018 ◽  
Vol 8 (32) ◽  
pp. 17878-17878
Author(s):  
Yiting Xu ◽  
Jie Cao ◽  
Qi Li ◽  
Jilu Li ◽  
Kaiwei He ◽  
...  
Keyword(s):  
Self Assembly ◽  
Amphiphilic Copolymers ◽  
Stimuli Responsive ◽  
Assembly Behavior

Correction for ‘Novel azobenzene-based amphiphilic copolymers: synthesis, self-assembly behavior and multiple-stimuli-responsive properties’ by Yiting Xu et al., RSC Adv., 2018, 8, 16103–16113.

Dual Stimuli-Responsive Nucleobase-Functionalized Polymeric Systems as Efficient Tools for Manipulating Micellar Self-Assembly Behavior

2018 ◽  
Vol 51 (3) ◽  
pp. 1189-1197 ◽  
Author(s):  
Belete Tewabe Gebeyehu ◽  
Shan-You Huang ◽  
Ai-Wei Lee ◽  
Jem-Kun Chen ◽  
Juin-Yih Lai ◽  
...  
Keyword(s):  
Self Assembly ◽  
Stimuli Responsive ◽  
Polymeric Systems ◽  
Assembly Behavior

scholarly journals Dual Stimuli‐Responsive Self‐Assembly Behavior of a Tailor‐Made ABC‐Type Amphiphilic Tri‐Block Copolymer

2020 ◽  
Vol 58 (6) ◽  
pp. 843-851 ◽  
Author(s):  
Sanjay Pal ◽  
Michael Kather ◽  
Sovan Lal Banerjee ◽  
Pabitra Saha ◽  
Andrij Pich ◽  
...  
Keyword(s):  
Block Copolymer ◽  
Self Assembly ◽  
Stimuli Responsive ◽  
Assembly Behavior

Bioinspired Artificial Protein Materials: Self-Assembly and Order from Nano to Macroscale

2011 ◽  
Vol 1301 ◽  
Author(s):  
Min Dai ◽  
Jennifer S. Haghpanah ◽  
Carlo Yuvienco ◽  
Jin Kim Montclare
Keyword(s):  
Self Assembly ◽  
Matrix Protein ◽  
Coiled Coil ◽  
Supramolecular Assembly ◽  
Stimuli Responsive ◽  
Block Polymers ◽  
Self Assembling ◽  
Assembly Behavior ◽  
Protein Block

ABSTRACTWe describe the biosynthesis and characterization of protein materials comprised of two distinct self-assembling domains (SADs): elastin (E) found in tissue for its elastic properties and cartilage oligomeric matrix protein coiled-coil (COMPcc, C) predominantly locatedin joint and in bones. Based on earlier studies on protein block polymers comprised these two SADs, orientation and number of blocks play a crucial role in the overall stimuli-responsive supramolecular assembly behavior. Here we fabricate a range of EnC and CEn block polymers in which the E domain is systematically truncated to explore the effects of the E domain on the overall physicochemical behavior.

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