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Nanostructured Textiles

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Macromolecular Chemistry".

Deadline for manuscript submissions: closed (1 June 2022) | Viewed by 2559

Special Issue Editor


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Guest Editor
Faculty of Natural Sciences and Engineering, University of Ljubljana, Aškerčeva 12, 1000 Ljubljana, Slovenia
Interests: bio-based polymers; material science; plasma modification of fibrous polymers; chemical modification of textiles and fibrous polymers; textile finishing; nanotechnology in textiles (synthesis of Ag and ZnO by chemical and “green” methods); use of natural phytochemicals in textiles; dyeing with natural dyes; extraction of dyes and pigments from waste plant material
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Special Issue Information

Dear Colleagues,

Nanostructured textiles are specifically designed for certain uses in daily and professional life. They can provide protection against UV radiation, microbial attack, cold, heat, fire and liquids; can be conductive; release fragrances; serve as flexible sensors; have a specially designed surface for better adhesion; and more. Improved performance and new functionalities of textiles are achieved through their nanotechnological modification, such as the application of nanocoatings and nanostructures and the development of nanofibres and textile nanocomposites, as well as the plasma nanomodification of the textile surface.

The aim of the Special Issue "Nanostructured Textiles" is to collect and disseminate the latest nanotechnology research and developments in the textile field. The researchers working in this field are invited to contribute original papers or reviews to this Special Issue of Molecules.

Dr. Marija Gorjanc
Guest Editor

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Keywords

  • nanoparticles
  • nanocoatings
  • nanofibers
  • nanostructures
  • nanospheres
  • nanostructured surface
  • nanocomposites
  • nano 3D printing

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Published Papers (1 paper)

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Research

17 pages, 2921 KiB  
Article
Nano-Structured Ridged Micro-Filaments (≥100 µm Diameter) Produced Using a Single Step Strategy for Improved Bone Cell Adhesion and Proliferation in Textile Scaffolds
by Nemeshwaree Behary, Sandy Eap, Aurélie Cayla, Feng Chai, Nadia Benkirane-Jessel and Christine Campagne
Molecules 2022, 27(12), 3790; https://doi.org/10.3390/molecules27123790 - 13 Jun 2022
Cited by 3 | Viewed by 2192
Abstract
Textile scaffolds that are either 2D or 3D with tunable shapes and pore sizes can be made through textile processing (weaving, knitting, braiding, nonwovens) using microfilaments. However, these filaments lack nano-topographical features to improve bone cell adhesion and proliferation. Moreover, the diameter of [...] Read more.
Textile scaffolds that are either 2D or 3D with tunable shapes and pore sizes can be made through textile processing (weaving, knitting, braiding, nonwovens) using microfilaments. However, these filaments lack nano-topographical features to improve bone cell adhesion and proliferation. Moreover, the diameter of such filaments should be higher than that used for classical textiles (10–30 µm) to enable adhesion and the efficient spreading of the osteoblast cell (>30 µm diameter). We report, for the first time, the fabrication of biodegradable nanostructured cylindrical PLLA (poly-L-Lactic acid) microfilaments of diameters 100 µm and 230 µm, using a single step melt-spinning process for straightforward integration of nano-scale ridge-like structures oriented in the fiber length direction. Appropriate drawing speed and temperature used during the filament spinning allowed for the creation of instabilities giving rise to nanofibrillar ridges, as observed by AFM (Atomic Force Microscopy). These micro-filaments were hydrophobic, and had reduced crystallinity and mechanical strength, but could still be processed into 2D/3D textile scaffolds of various shapes. Biological tests carried out on the woven scaffolds made from these nano-structured micro filaments showed excellent human bone cell MG 63 adhesion and proliferation, better than on smooth 30 µm- diameter fibers. Elongated filopodia of the osteoblast, intimately anchored to the nano-structured filaments, was observed. The filaments also induced in vitro osteogenic expression, as shown by the expression of osteocalcin and bone sialoprotein after 21 days of culture. This work deals with the fabrication of a new generation of nano-structured micro-filament for use as scaffolds of different shapes suited for bone cell engineering. Full article
(This article belongs to the Special Issue Nanostructured Textiles)
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