نتایج جستجو برای: thermo responsive material

تعداد نتایج: 434237  

Journal: :Chemical communications 2015
Ayumi Ozawa Ai Shimizu Ryuhei Nishiyabu Yuji Kubo

Boronate nanoparticles with built-in tetraphenylethylene (TPE) have been prepared. Their emissive color tuning by altering the amount of rhodamine B grafted onto the surface gave white-light emissive nanoparticles. They showed reversible and thermo-responsive emission in the temperature range of 5-65 °C in water, which enabled them to serve as a bright nanothermometer.

Journal: :Fibers 2022

We have developed a prototype of breathable thermochromic textile ideal for sensor applications, e.g., medical thermography. The was woven/knitted from polyester filaments pre-coated with liquid crystal (TLC) ink, in lieu coating the TLC ink on textile. This process brings us closer to achieving textiles while enhancing versatility A combination precoated yarns can be preselected according desi...

Journal: :Chemical communications 2015
Shuo Chen Fengjuan Jiang Ziquan Cao Guojie Wang Zhi-Min Dang

A spiropyran-based amphiphilic random copolymer was synthesized and self-assembled into photo-, pH-, and thermo-responsive micellar nanoparticles. The triple-stimuli triggered morphological changes of the nanoparticles were revealed by TEM and DLS. Highly efficient controlled release of encapsulated molecules, coumarin 102, from the nanoparticles under stimulation of UV light, acid and the comb...

Journal: :Chemical communications 2012
Yu Zeng Zhiyong Fu Hengjun Chen Changchun Liu Shijun Liao Jingcao Dai

A new type of electron transfer (ET) system was built via the combination of a highly stable MOF host framework and methyl viologen guest molecule. The π-stacking arrangements adjust the distance between the D-A components, contributing to the formation of an ultra long-lived charge separated state in the photo/thermo dual stimuli-responsive complex.

Journal: :Nanoscale 2016
Chih-Chia Cheng Feng-Chih Chang Jui-Hsu Wang Jem-Kun Chen Ying-Chieh Yen Duu-Jong Lee

A novel urea-cytosine end-capped polypropylene glycol (UrCy-PPG) can self-assemble into a long-range ordered lamellar microstructure on the surface of graphene, due to the strong specific interactions between UrCy-PPG and graphene. In addition, the graphene composite produced exhibits a high conductivity (∼1093 S m(-1)) with a dramatic thermo-responsive ON/OFF resistance-switching behavior (10 ...

Journal: :Nanoscale 2014
Yang Qu Jianbo Li Jie Ren Junzhao Leng Chao Lin Donglu Shi

A magnetothermally-responsive nanocarrier was developed for efficient thermo-chemotherapy by combining efficient magnetic hyperthermia (MH) and magnetothermally-facilitated drug release. The effective magnetothermal-response contributed to high enhancement of tumor cell killing by an operating mechanism involving MH-facilitated cellular uptake and Heat Shock Protein over-expression.

Journal: :Chemical communications 2011
Tomohiro Shiraki Arnab Dawn Thi Ngoc Lien Le Youichi Tsuchiya Shun-ichi Tamaru Seiji Shinkai

A thermo- and light-responsive system consisting of single-walled carbon nanotube and helical polysaccharide modified with poly(N-isopropylacrylamide) side-chains has been developed through supramolecular polymer wrapping. Coagulation of the complex can be induced by the external stimuli, which leads to a catch-and-release action of a porphyrin derivative.

Journal: :Chemical communications 2015
Fangyingkai Wang Jianzhong Du

The apparent size increase of poly(N-isopropyl acrylamide) (PNIPAM)-based polymeric micelles upon heating was usually ascribed to their volume growth or aggregation in aqueous solution. Herein we designed a photo-cross-linkable PNIPAM-based copolymer and proposed another thermo-responsive behaviour - fusion, which is disclosed by transmission electron microscopy (TEM) after in situ fixing morph...

Journal: :Chemical communications 2013
Lang Fan Hang Lu Kaidian Zou Jing Chen Jianzhong Du

We report an unusual homopolymer vesicle, which has a soft bilayer membrane composed of oligo(ethyleneoxy) side chains (OEs) with a gradually decreased packing density from the centre of the membrane to both margins, exhibiting thermo-responsive zeta potential and dispersibility and showing potential applications for anti-cancer drug delivery.

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