نتایج جستجو برای: responsive polymer
تعداد نتایج: 151027 فیلتر نتایج به سال:
The grafting of poly(hydroxyethylmethacrylate) on polymeric porous membranes via atom transfer radical polymerization (ATRP) and subsequent modification with a photo-responsive spiropyran derivative is described. This method leads to photo-responsive membranes with desirable properties such as light-controlled permeability changes, exceptional photo-stability and repeatability of the photo-resp...
abstract- the syndrome of diabetes mellitus, sensorineural deafness and megaloblastic anemia dose not result from thiamine deficiency. the previous reported patients had no sign of beriberi, had normal nutrition, and had no evidence of malabsorption. the features of this syndrome with apparent inheritance of autosomal recessive trait may define this puzzling syndrome as a true thiamine dependen...
We review recent progress in polymer-drug conjugate for cancer nanomedicine. Polymer-drug conjugates, including the nanoparticle prepared from these conjugates, are designed to release drug in tumor tissues or cells in order to improve drugs' therapeutic efficacy. We summarize general design principles for the polymer-drug conjugate, including the synthetic strategies, the design of the chemica...
Dynamic diblock polymer PS-r-PEG formed via reversible acylhydrazone connection can be used to construct a pH-responsive self-assembled encapsulation system with high stability and sustained-release property, which shows potential in drug delivery.
A facile, general, and highly efficient approach to obtain narrowly dispersed molecularly imprinted polymer microspheres with multiple stimuli-responsive template binding properties in aqueous media by successive RAFT polymerization is described.
Fluoride and acetate-responsive polymer gels were prepared by incorporation of p-nitrophenylthiourea into poly(octadecyl acrylate) gels, and the colours and volumes were changed selectively in the presence of these ions by complexation in THF.
A field effect transistor (FET) whose gate surface has been modified with a stimuli-responsive "smart" polymer gel can visualize the kinetics of the chemo-mechanical signal transduction as a mode of its altered electrical characteristics without any labels.
pH-responsive surfaces, reversibly switching between superhydrophilicity and superhydrophobicity/water repellency, are developed by "grafting from" a pH-sensitive polymer onto a hierarchically micro/nano-structured substrate. We quantify the water repellency by investigating the restitution coefficient of water droplets bouncing off the surfaces. The water repellent state requires appropriate h...
A new strategy that centers on the incorporation of stimuli-responsive cleavable linkages in dual or multiple locations as in both micellar cores and at polymer/solution interfaces leading to synergistically enhanced release of encapsulated anticancer drugs in cancer cells.
We report a systematic study of a modular approach to create multi-component supramolecular nanostructures that can be tailored to be both enzyme and temperature responsive. Using a straightforward synthetic approach we functionalised a thermal responsive polymer, poly(2-isopropyl-2-oxazoline), with fluorenylmethoxycarbonyl-amino acids that drive the self-assembly. Depending on the properties o...
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