Special Issue "Function of Polymers in Encapsulation Process II"

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Processing and Engineering".

Deadline for manuscript submissions: 15 January 2023 | Viewed by 914

Special Issue Editors

Dr. M. Ali Aboudzadeh
E-Mail Website
Guest Editor
CNRS, Institut des Sciences Analytiques et de Physico-Chimie pour l’Environnement et les Matériaux, University Pau & Pays Adour, E2S UPPA, IPREM, UMR5254, 64000 Pau, France
Interests: polymer synthesis and characterization; supramolecular assemblies; rheology; DNA nanotechnology; encapsulation via emulsion-based systems
Special Issues, Collections and Topics in MDPI journals
Dr. Shaghayegh Hamzehlou
E-Mail Website
Guest Editor
POLYMAT and Kimika Aplikatua Saila, Kimika Fakultatea, University of the Basque Country UPV-EHU, Joxe Mari Korta Zentroa, Tolosa Hiribidea 72, 20018 Donostia-San Sebastian, Spain
Interests: polymer reaction engineering; modeling and simulation of kinetics, topology, microstructure, and morphology of the complex polymerization systems; emulsion polymerization; polymer synthesis and characterization
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

After our first successful Special Issue on "Function of Polymers in Encapsulation Process" (https://www.mdpi.com/journal/polymers/special_issues/Funct_Polym_Encapsulation_Process), we have decided to create a second volume, in order to publish state-of-the-art research on this topic and its understanding.

Encapsulation technology consists of surrounding active agents within a homogeneous/heterogeneous matrix at the micro/nano scale. Using this technology, a physical barrier is developed between the inner substance and the environment which prevents its degradation and facilitates its handling and transportation. Polymers may be used to trap the material of interest inside the micro/nano-capsules. Such encapsulated systems have many applications in the fields of food industry, drug delivery, agriculture, cosmetics, coatings, adhesives and so forth. There are a number of chemical, physical or mechanical processes available for encapsulation such as emulsion-solvent evaporation/extraction methods, coacervation-phase separation, spray drying, interfacial and in situ polymerization. The choice of a particular technique depends on the attributes of the polymer and the active agent. There are still many aspects to be developed in this field, which offer new challenges and breakthrough opportunities. The main objective of this interdisciplinary Special Issue is to bring together, at an international level, a high-quality collection of reviews, original articles and short communications dealing with the importance of natural or synthetic polymers in encapsulation processes and their applications.

We review all the articles in our Special Issue, and we believe this editorial will interest the broadest possible section of readership among materials scientists and engineers.

Dr. M. Ali Aboudzadeh
Dr. Shaghayegh Hamzehlou
Guest Editors

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 2400 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

  • encapsulation technology
  • drug delivery
  • nanoparticles
  • nanocapsules
  • microcapsules
  • biodegradable polymers
  • emulsion polymerization
  • biomedical applications
  • spray-drying
  • biomaterials

Published Papers (1 paper)

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Review

Review
Silica Hydrogels as Entrapment Material for Microalgae
Polymers 2022, 14(7), 1391; https://doi.org/10.3390/polym14071391 - 29 Mar 2022
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Abstract
Despite being a promising feedstock for food, feed, chemicals, and biofuels, microalgal production processes are still uneconomical due to slow growth rates, costly media, problematic downstreaming processes, and rather low cell densities. Immobilization via entrapment constitutes a promising tool to overcome these drawbacks [...] Read more.
Despite being a promising feedstock for food, feed, chemicals, and biofuels, microalgal production processes are still uneconomical due to slow growth rates, costly media, problematic downstreaming processes, and rather low cell densities. Immobilization via entrapment constitutes a promising tool to overcome these drawbacks of microalgal production and enables continuous processes with protection against shear forces and contaminations. In contrast to biopolymer gels, inorganic silica hydrogels are highly transparent and chemically, mechanically, thermally, and biologically stable. Since the first report on entrapment of living cells in silica hydrogels in 1989, efforts were made to increase the biocompatibility by omitting organic solvents during hydrolysis, removing toxic by-products, and replacing detrimental mineral acids or bases for pH adjustment. Furthermore, methods were developed to decrease the stiffness in order to enable proliferation of entrapped cells. This review aims to provide an overview of studied entrapment methods in silica hydrogels, specifically for rather sensitive microalgae. Full article
(This article belongs to the Special Issue Function of Polymers in Encapsulation Process II)
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