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1.
Int J Biol Macromol ; 235: 123782, 2023 Apr 30.
Artigo em Inglês | MEDLINE | ID: mdl-36822294

RESUMO

Bio-based hydrophobic coating modified cotton fabrics with durable flame retardancy are of high interest in the application of oil-water separation for not only avoiding the use of hazardous substances but also improving the fire safety during use. Herein, phytic acid@Polyurushiol­titanium complex coated cotton fabric was developed using the facile dip-coating method involving the sequential immersion in the solution of poly(ethyleneimine), phytic acid, titanium oxide, and urushiol. The underlying coating accommodated abundance of phytic acid, which imparted excellent flame retardancy to cotton fabric, and the top coating composed of the polyurushiol­titanium complex endowed cotton fabric with high hydrophobicity that the water contact angle (WCA) was up to 149.8°. The hydrophobicity also guaranteed effective protection of the underlying phytic acid against chemical solvents and abrasion. Besides, the hydrophobic coating allowed cotton fabric for good self-cleaning and effective oil-water separation. Therefore, the preparation of phytic acid@polyurushiol­titanium complex coated cotton fabric offers a promising approach to construct durable biomass-coated cellulose-based fabric with multifunctionality.


Assuntos
Fibra de Algodão , Ácido Fítico , Titânio , Têxteis , Água/química
2.
J Nanobiotechnology ; 19(1): 454, 2021 Dec 28.
Artigo em Inglês | MEDLINE | ID: mdl-34963479

RESUMO

Gold nanorods (GNRs) have a broad application prospect in biomedical fields because of their unique properties and controllable surface modification. The element aurum (Au) with high atomic number (high-Z) render GNRs ideal radiosensitive materials for radiation therapy and computed tomography (CT) imaging. Besides, GNRs have the capability of efficiently converting light energy to heat in the near-infrared (NIR) region for photothermal therapy. Although there are more and more researches on GNRs for radiation therapy, how to improve their biocompatibility and how to efficiently utilize them for radiation therapy should be further studied. This review will focuse on the research progress regarding the preparation and toxicity reduction of GNRs, as well as GNRs-mediated radiation therapy.


Assuntos
Ouro/química , Nanotubos/química , Fármacos Fotossensibilizantes/química , Fármacos Fotossensibilizantes/uso terapêutico , Radioterapia , Animais , Ouro/uso terapêutico , Ouro/toxicidade , Humanos , Hipertermia Induzida , Nanotubos/toxicidade , Fármacos Fotossensibilizantes/toxicidade , Terapia Fototérmica
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