Advances in Nanocellulose-Based High-Tech Materials

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Biomacromolecules, Biobased and Biodegradable Polymers".

Deadline for manuscript submissions: closed (15 February 2023) | Viewed by 3112

Special Issue Editor


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Guest Editor
Department of Natural and Synthetic Polymers, “Gheorghe Asachi” Technical University of Iasi, Iasi, Romania
Interests: biopolymers; cellulose; hemicelluloses; lignin; chitosan; nanocelluloses; nanopaper; nanomaterials; paper technology and wet-end chemistry; deinking technology; physics of fibrous structures; paper rheology; polymer-based conservation materials; polymer-based papermaking additives; paper-based microfluidics; active and smart paper-based packaging
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Special Issue Information

Dear Colleagues,

Since the first papers that described simple techniques of acid hydrolysis of cellulose (cellulose nanocrystals—CNC) and those which reported a new form of cellulose produced by a unique physical treatment (nanofibrillated cellulose—NFC), the attention of researchers has been constantly focused on finding new high-tech applications for what we define today as nanocelluloses (NCs).

Impressive mechanical properties, reinforcing capabilities, huge specific surface area, abundance, low density and biodegradability of NCs make them ideal candidates for the development of novel versatile materials. In addition, the chemical modification of cellulose nanoparticles surfaces is also a promising strategy to improve the properties of nanocelluloses.

The development of new nanocellulose-based materials has recently grown almost exponentially, as these materials are carbon-neutral, durable, recyclable and non-toxic, with the potential to be truly green nanomaterials.

In recent years, nanocellulose-based materials have been developed and used in different areas, such as food packaging materials, filters and membranes, printing and paper industry, optically transparent flexible devices (flat displays, digital cameras, cellular telephones), light-responsive composites and other electronic components, advanced composites manufacturing, and pharmaceutical and medical applications. In biomedical applications, these are used, from wound dressings and drug delivery systems, to new types of bioactive scaffolds for tissue engineering.

Obviously, we all understand that nanocellulose-based materials will play a significant role in the future nano-era, and consequently, are under advanced development in various departments and research institutes. However, new challenges are constantly emerging in the fields of high-performance functional products, and more studies are needed to develop a strong business case.

This Special Issue will focus on the latest advances and reports on the progress of nanocellulose-based materials intended for all kinds of high-tech applications, with particular attention paid to engineering and biomedical applications, and in this regard, it is my pleasure to invite you to contribute full papers, review articles and short communications to this topic.

Dr. Florin Ciolacu
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Polymers is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • nanocellulose
  • nanofibrillated cellulose
  • cellulose nanocrystals
  • bacterial cellulose
  • nanopaper
  • nanocellulose films
  • nanofiltration membranes
  • nanocellulose-based hydrogels
  • thermally conductive
  • electrical insulating
  • optically transparency
  • barrier properties
  • food packaging
  • biomaterials
  • wound dressing
  • drug delivery systems
  • tissue engineering

Published Papers (1 paper)

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Research

17 pages, 2809 KiB  
Article
Fluorescence Labeling of Cellulose Nanocrystals—A Facile and Green Synthesis Route
by Lorenzo Donato Campora, Christoph Metzger, Stephan Dähnhardt-Pfeiffer, Roland Drexel, Florian Meier and Siegfried Fürtauer
Polymers 2022, 14(9), 1820; https://doi.org/10.3390/polym14091820 - 29 Apr 2022
Cited by 4 | Viewed by 2350
Abstract
Efficient chemical modification of cellulose nanocrystals (CNCs) by grafting commonly involves aprotic solvents, toxic reactants, harsh reaction conditions, or catalysts, which have negative effects on the particle character, reduced dispersibility and requires further purification, if products are intended for biomedical applications. This work, [...] Read more.
Efficient chemical modification of cellulose nanocrystals (CNCs) by grafting commonly involves aprotic solvents, toxic reactants, harsh reaction conditions, or catalysts, which have negative effects on the particle character, reduced dispersibility and requires further purification, if products are intended for biomedical applications. This work, in contrast, presents a robust, facile, and green synthesis protocol for the grafting of an amino-reactive fluorophore like fluorescein isothiocyanate (FITC) on aqueous CNCs, combining and modifying existent approaches in a two-step procedure. Comparably high grafting yields were achieved, which were confirmed by thermogravimetry, FTIR, and photometry. The dispersive properties were confirmed by DLS, AF4-MALS, and TEM studies. The presented route is highly suitable for the introduction of silane-bound organic groups and offers a versatile platform for further modification routes of cellulose-based substrates. Full article
(This article belongs to the Special Issue Advances in Nanocellulose-Based High-Tech Materials)
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