نتایج جستجو برای: electrospinning

تعداد نتایج: 3963  

2015
Paweł Nakielski Sylwia Pawłowska Filippo Pierini Wioletta Liwińska Patryk Hejduk Krzysztof Zembrzycki Ewelina Zabost Tomasz A. Kowalewski Adam J. Engler

Recent biomedical hydrogels applications require the development of nanostructures with controlled diameter and adjustable mechanical properties. Here we present a technique for the production of flexible nanofilaments to be used as drug carriers or in microfluidics, with deformability and elasticity resembling those of long DNA chains. The fabrication method is based on the core-shell electros...

2018
Indong Jun Hyung-Seop Han James R. Edwards Hojeong Jeon

Electrospinning has been used for the fabrication of extracellular matrix (ECM)-mimicking fibrous scaffolds for several decades. Electrospun fibrous scaffolds provide nanoscale/microscale fibrous structures with interconnecting pores, resembling natural ECM in tissues, and showing a high potential to facilitate the formation of artificial functional tissues. In this review, we summarize the fun...

2002
Thomas P. Russell Zhiqun Lin Erik Schäffer Ullrich Steiner

Electrospinning is emerging as a simple means of producing fibers with diameters ranging from 0.02 μm to many microns. Electrospinning, however, relies on the force generated by an electric field on the surface of a polymer solution to either enhance instabilities in a thinning jet or to rapidly elongate a jet of polymer solution form a nozzle. In this article, the fundamental physics and fluid...

Journal: :Journal of biomaterials applications 2013
D M Yunos Z Ahmad V Salih A R Boccaccini

This work focuses on designing bilayered constructs by combining electrospun poly-DL-Lactide (PDLLA) fibers and Bioglass®-derived scaffolds for development of osteochondral tissue replacement materials. Electrospinning was carried out using a solution of 5 wt/v% PDLLA in dimethyl carbonate. The PDLLA layer thickness increased from 2 to 150 µm with varying electrospinning time. Bioactivity studi...

Magnetic poly (acrylonitrile-co-acrylic acid) (PAN-co-AA) composite nanofibers with different proportions of magnetic nanoparticles (MNPs) were fabricated using electrospinning technique. Electrospinning conditions like polymeric concentration, applied voltage, feeding rate, working distance, and collector type were explored and optimized to produce ultrafine- uniform size and bead free nanofib...

Electrospinning is a simple and versatile technique that relies on the electrostatic repulsion between surface charges to continuously draw nanofibers from a viscoelastic fluid. Electrospinning can generate nanofibers with a number of secondary structures. Surface and/or interior of nanofibers can be functionalized with molecular species or nanoparticles during or after an electrospinning proce...

Journal: :Matter 2022

This opinion article wishes to highlight the thoughts that led discovery of cell electrospinning. The author will briefly advantages this technology has over its competing technologies, in particular demonstrating electrospinning living vessel architectures having all primary types found native vessels/arteries.

Journal: :Nanoscale Research Letters 2021

Abstract Electrospinning is a common and versatile process to produce nanofibers deposit them on collector as two-dimensional nanofiber mat or three-dimensional (3D) macroscopic arrangement. However, 3D electroconductive collectors with complex geometries, including protruded, curved, recessed regions, generally caused hampering of conformal deposition incomplete covering electrospun nanofibers...

ژورنال: سلامت کار ایران 2016

Background and aims: In nanofibrous filters, morphological properties, diameter of fibers and porosity percent of media are the most filtration characteristics. Therefore, the present study aimed to optimize the electrospinning parameters for reaching to the desired values of the mentioned filter characteristics. Method: For this purpose, a study design was prepared using response surface me...

Journal: :Macromolecular Materials and Engineering 2023

Electrospinning has received a lot of attention in recent years because it can create nonwoven nanofiber webs with high surface area and porosity. However, the typical needle syringe-based electrospinning systems feature poor productivity that limited their usefulness industrial field. Here, current developments creation nanofibers employing nonconventional methods, such as needleless syringele...

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