Nanomaterials and Tissue Engineering

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Physics General".

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 2061

Special Issue Editors


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Guest Editor
Research School of Chemistry & Applied Biomedical Sciences, Tomsk Polytechnic University, Lenin Avenue 43, 63400 Tomsk, Russia
Interests: biomaterials; tissue engineering; drug delivery; hydrogels; wound dressing
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Guest Editor
Centre of Polymer Systems, Tomas Bata University in Zlin, 760 01 Zlin, Czech Republic
Interests: biomaterials; tissue engineering; drug delivery; hydrogels; wound dressing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Tissue engineering is a multidisciplinary field integrating chemistry, engineering, biology, and medicine. To achieve successful tissue regeneration, collaborative studies on the synthesis, characterization, and application of many tissue engineering strategies are yet to be completed. Nanomaterials are used in tissue engineering to accomplish the structural and functional restoration of defective body parts by developing constructs that are as similar as possible to the native tissue. Despite the successful advances already made in this field, the development of scaffold that provides a proper extracellular environment for regenerating tissue, including biophysical (topography) and biochemical (delivery of bioactive molecules) cues, is still an unmet need in tissue engineering. Physicochemical interaction between cells and materials represents the major determinant in the success or failure of tissue engineering. Cells interact with the surrounding environment by nanoscale extracellular signals. The purpose of nanoscale tissue engineering is to channel these interactions through nanostructured biomaterials and to guide cellular behaviors towards regeneration.

This Special Issue focuses on three main topics: (i) fabrication of nanomaterials for tissue engineering application; (ii) nanomaterial applications in soft tissue engineering, including cardiac, neural, and cartilage tissue engineering; and (iii) nanomaterial applications in hard tissue engineering, including bone, dental, and craniofacial tissue engineering. Contributions dealing with biopolymers such as polysaccharides and proteins are encouraged.

Dr. Antonio Di Martino
Dr. Kadir Ozaltin
Guest Editors

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Keywords

  • biomaterials
  • nanomaterials
  • regenerative medicine
  • tissue engineering
  • biopolymers

Published Papers (1 paper)

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14 pages, 2060 KiB  
Article
Multiresponsive Hybrid Microparticles for Stimuli-Responsive Delivery of Bioactive Compounds
by Sergei S. Vlasov, Pavel S. Postnikov, Mikhail V. Belousov, Sergei V. Krivoshchekov, Mekhman S. Yusubov, Artem M. Guryev and Antonio Di Martino
Appl. Sci. 2020, 10(12), 4324; https://0-doi-org.brum.beds.ac.uk/10.3390/app10124324 - 24 Jun 2020
Cited by 2 | Viewed by 1636
Abstract
Hybrid microparticles based on an iron core and an amphiphilic polymeric shell have been prepared to respond simultaneously to magnetic and ultrasonic fields and variation in the surrounding pH to trigger and modulate the delivery of doxorubicin. The microparticles have been developed in [...] Read more.
Hybrid microparticles based on an iron core and an amphiphilic polymeric shell have been prepared to respond simultaneously to magnetic and ultrasonic fields and variation in the surrounding pH to trigger and modulate the delivery of doxorubicin. The microparticles have been developed in four steps: (i) synthesis of the iron core; (ii) surface modification of the core; (iii) conjugation with the amphiphilic poly(lactic acid)-grafted chitosan; and (iv) doxorubicin loading. The particles demonstrate spherical shape, a size in the range of 1–3 µm and surface charge that is tuneable by changing the pH of the environment. The microparticles demonstrate good stability in simulated physiological solutions and are able to hold up to 400 µg of doxorubicin per mg of dried particles. The response to ultrasound and the changes in the shell structure during exposure to different pH levels allows the control of the burst intensity and release rate of the payload. Additionally, the magnetic response of the iron core is preserved despite the polymer coat. In vitro cytotoxicity tests performed on fibroblast NIH/3T3 demonstrate a reduction in the cell viability after administration of doxorubicin-loaded microparticles compared to the administration of free doxorubicin. The application of ultrasound causes a burst in the release of the doxorubicin from the carrier, causing a decrease in cell viability. The microparticles demonstrate in vitro cytocompatibility and hemocompatibility at concentrations of up to 50 and 60 µg/mL, respectively. Full article
(This article belongs to the Special Issue Nanomaterials and Tissue Engineering)
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