نتایج جستجو برای: nanofiber composite
تعداد نتایج: 125188 فیلتر نتایج به سال:
In this study, Silk Fibroin (SF)/Polycaprolactone (PCL) composite nanofiber mats were fabricated using an electrostatic spinning technology employing different drum rotation speeds. The morphology and tensile performance of the resulting nanofiber mats were characterized using thermal field emission scanning electron microscopy, multi-layer image fusion technology, pore size distribution analys...
Background and Objective: Lawsonia inermis (henna) has unique properties and has been used as a medicine since the past. In this project, a polymeric nanofiber composite from Chitosan/Polyethylene oxide/Henna extract was produced as a wound’s cover by electrospinning method. Materials and Methods: Polymeric nanofibers were prepared by electrospinning method. In order to study the effect of h...
Background and Aim: Electrospun nanofibers can be used to produce filter media in personal protective equipment for the military. The present study aimed to optimize the electrospinning process used to create polyurethane nanofiber substrates and compare the optimum substrate filtration performance with a typical commercial substrate used in the structure of N95 respirators. Methods: In this ex...
The aim of this study was to develop novel biomedicated nanofiber electrospun mats for controlled drug release, especially drug release directly to an injury site to accelerate wound healing. Nanofibers of poly(vinyl alcohol) (PVA), poly(vinyl acetate) (PVAc), and a 50:50 composite blend, loaded with ciprofloxacin HCl (CipHCl), were successfully prepared by an electrospinning technique for the ...
Electrically conductive nanofiber is well known as an excellent nanostructured material for its outstanding performances. In this work, poly(3,4-ethylenedioxythiophene) (PEDOT)-coated polyvinyl alcohol-graphene oxide (PVA-GO)-conducting nanofibers were fabricated via a combined method using electrospinning and electropolymerization techniques. During electrospinning, the concentration of PVA-GO...
Molecularly imprinted nanoparticles were encapsulated into polymer nanofibers with a simple electrospinning method. The composite nanofibers form non-woven mats that can be used as affinity membrane to greatly simplify solid phase extraction of drug residues in analytical samples. Upward 100% of propranolol-imprinted nanoparticles can be easily encapsulated into poly(ethylene terephthalate) nan...
INTRODUCTION: Soft tissue losses from aging, trauma, or congenital malformation affect millions of people each year. Injectable fillers are effective in providing soft tissue volumization for facial rejuvenation and reconstruction. The majority of dermal fillers are based on hyaluronic acid (HA) and rely on high concentrations of HA to provide adequate viscosity and temporary persistence. This ...
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