نتایج جستجو برای: pcl nano fiber

تعداد نتایج: 183131  

Journal: :Journal of Lightwave Technology 2019

Journal: :Angewandte Chemie 2015
Alexander Tokarev Oleksandr Trotsenko Darya Asheghali Ian M Griffiths Howard A Stone Sergiy Minko

Reactive spinning of nano- and microfibers that involves very fast chemical reactions and ion exchange is a challenge for the common methods for nanofiber formation. Herein, we introduce the reactive magnetospinning method. This procedure is based on the magnetic-field-directed collision of ferrofluid droplets with liquid droplets that contain complementary reactants. The collision, start of th...

Journal: :Nihon Reoroji Gakkaishi 2016

Due to significant environmental advantages, biocomposites have recently received increasing attention. In the present research, strength of hat-shaped coir fiber biocomposites tubes reinforced with nano powder was evaluated experimentally under 3-point bending tests. The tubes were manufactured using hand lay-up technique and based on Taguchi design of experiment. The effects of different para...

Journal: :Frontiers in Materials 2023

Chronic and non-healing wounds show delayed incomplete healing process, which expose the patients to a high risk of infection. These types require frequent change dressing, is burden on patients. In addition, ideal dressing needs meet requirements in minimizing microbial infiltration growth while balancing moisture exchanging oxygen with outside environment. To overcome challenge design require...

Journal: :Macromolecules 2021

Carbon nanotube (CNT)-based materials allow for the direct conversion of light into heat and then mechanical force in so-called photo-mechanical effect. This effect has been observed almost solely form polymer (nano)composites, where CNTs act as active fillers. To overcome issue with heterogeneous distribution, hybrids based on multiwalled carbon nanotubes (MWCNTs) covalently modified poly(2-hy...

Journal: :The journal of physical chemistry. B 2005
Kyoungho Lee Ying Wang Guozhong Cao

Platelet- and fibrillar-structured V2O5 films have been prepared by solution methods, and their electrochemical Li+ intercalation properties have been studied. Platelet film consists of 20-30 nm sized V2O5 particles with random orientation, whereas fibrillar film is comprised of randomly oriented fibers though most of them protrude from the substrate surface. These platelet- and fibrillar-struc...

Davood Kaviani, Hosein Mardani, Mahdie Khadraei, Mohamad Javad Khodabakhshi,

Background & Aims of the Study:  Soil and water pollution to heavy metals is a serious threat for environment and human health. Finding an effective way for refining water from these metals is very important. The aim of this study was modifying electrospun polymeric nano fibers and studying its efficiency for copper ion omission in water solutions. Materials & Method...

Journal: :International Journal of Applied Glass Science 2021

Composite fibrous membranes based on poly(ɛ-caprolactone) (PCL) and mesoporous bioactive glass nanoparticles (MBGNs) were fabricated by electrospinning. MBGNs Zn-doped prepared microemulsion sol–gel method successfully incorporated inside the polymeric fibers of 240 385 nm in diameter for undoped PCL_MBGNs fibers, respectively. Thermal analysis showed that concentration reached a maximum around...

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