نتایج جستجو برای: responsive polymer

تعداد نتایج: 151027  

2016
Richard Hoogenboom Helmut Schlaad

Natural systems are governed by adaptive and responsive behavior to survive, which is mostly driven by conformational changes and catalytic actions of proteins. These perfectly defined polyamide structures take on defined folded structures to get very sophisticated response behavior. Inspired by such systems, polymer scientists have developed a wide range of synthetic responsive polymer materia...

2010
Marco Bernabò Andrea Pucci Hasina Harimino Ramanitra Giacomo Ruggeri

Polymer/metal nanocomposite containing intrinsically anisotropic metal nanostructures such as metal nanorods and nanowires appeared extremely more sensitive and responsive to mechanical stimuli than nanocomposites containing spherical nanoparticles. After uniaxial stretching of the supporting polymer matrix (poly(vinyl alcohol)), the elongated silver nanostructures embedded at low concentration...

Journal: :BMC chemistry 2021

Abstract Background The distribution of drugs could not be controlled in the conventional delivery systems. This has led to developing a specific nanoparticle-based system, called smart drug In cancer therapy, innovative biocompatible nanocarriers have received much attention for various ranges anti-cancer drugs. this work, effect an interesting and novel copolymer named "dimethyl acrylamide-tr...

Journal: :Advanced healthcare materials 2015
Sebastian Hackelbusch Torsten Rossow Dirk Steinhilber David A Weitz Sebastian Seiffert

Stimuli-responsive hydrogels are able to change their physical properties such as their elastic moduli in response to changes in their environment. If biocompatible polymers are used to prepare such materials and if living cells are encapsulated within these networks, their switchability allows the cell-matrix interactions to be investigated with unprecedented consistency. In this paper, thermo...

Journal: :Molecular Systems Design and Engineering 2023

Metal coordinating comonomers influence the transition metal complex, polymer–metal ion binding, and subsequently material properties in magnetic responsive poly(ionic liquid)s.

2016
Ana Sanchez-Sanchez Jean Marie Lehn

The added-value behind reversible bonds is the possibility to develop responsive structurally dynamic materials which can adapt their constitution and, hence, properties to external stimuli. In recent years, much effort has been devoted to the design and synthesis of single-chain polymer nanoparticles (SCNPs) that can be reversibly assembled / disassembled in response to external environmental ...

2018
Monali Moirangthem Albertus P H J Schenning

A blue reflective photonic polymer coating which can be patterned in full color, from blue to red, by printing with an aqueous calcium nitrate solution has been fabricated. Color change in the cholesteric liquid-crystalline polymer network over the entire visible spectrum is obtained by the use of nonreactive mesogen. The pattern in the coating is hidden in the blue color dry state and appears ...

Journal: :Biomacromolecules 2009
Yiquan Wu J Andrew MacKay Jonathan R McDaniel Ashutosh Chilkoti Robert L Clark

The development of environmentally responsive drug carriers requires new methods for assembling stimuli-responsive nanoparticulates. This communication describes a novel application of electrospray to construct bioresponsive peptide-based particulates, which can encapsulate drugs. These particles are composed from genetically engineered elastin-like polypeptides (ELPs), a biodegradable, biocomp...

Journal: :Chemical communications 2013
Ruijiao Dong Yue Su Songrui Yu Yongfeng Zhou Yunfeng Lu Xinyuan Zhu

A novel class of redox-responsive cationic supramolecular polymer with effective DNA condensation ability and H2O2-induced DNA release behavior has been successfully constructed from small molecules. This supramolecular polymer can be used in vitro as a promising nonviral vector for gene therapy.

2014
Molla R. Islam Andrews Ahiabu Xue Li Michael J. Serpe

Responsive polymer-based materials have found numerous applications due to their ease of synthesis and the variety of stimuli that they can be made responsive to. In this review, we highlight the group's efforts utilizing thermoresponsive poly (N-isopropylacrylamide) (pNIPAm) microgel-based optical devices for various sensing and biosensing applications.

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