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Special Issue "Bio- and Nano-Materials and Their Interfaces"

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: closed (30 April 2019)

Special Issue Editors

Guest Editor
Prof. Dr. Qinghua Qin

Research School of Engineering, Australian National University, Canberra, ACT 0200, Australia
Website | E-Mail
Interests: biomechanics; biomaterials; nanomaterials; computational mechanics; composite materials
Guest Editor
Dr. Jianshan Wang

Department of Mechanics, School of Mechanical Engineering, Tianjin University, Tianjin, China
Website | E-Mail
Interests: biomechanics; biomaterials; nanomaterials

Special Issue Information

Dear Colleagues,

This Special Issue entitled “Bio- and Nano-Materials and Their Interfaces” will cover various aspects of biomaterials, biological systems, nanoscale materials and structures, and their interfaces. In recent years, bio- and nano-materials and their interface have attracted intense research efforts from a wide range of areas such as material science, physics, mechanics and biomimetics and engineering. The biological materials (e.g., bone, nacre, teeth, wood, DNA) and nanomaterials (e.g., graphene and carbon nanotube) usually have desired performance and functions. Serving a source of inspiration, the structure-property-function relations of biological materials have already guided the design of novel materials with improved properties. Inspired by the biological materials, responsive materials, artificial muscles, stretchable and integratable electronics and sensors with comprehensive properties and functions have been designed and realized through the assembly of nanotube, graphene and nanowires. This Special Issue will cover some of the recent significant advances in the field of bio- and nano-materials. In particular, this issue will discuss the design, fabrication, property characterization, and modeling of bio- and nanomaterials, as well as their applications in various fields, such as mechanical and biomedical engineering. Research and review articles focusing on the above-mentioned fields are welcome.

Prof. Dr. Qinghua Qin
Dr. Jianshan Wang
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 papers will be 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. International Journal of Molecular Sciences 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 1800 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

  • biological material
  • biomimetics
  • nanomaterial
  • property characterization
  • modeling

Published Papers (3 papers)

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Research

Open AccessArticle
Relevance of Interactions between Starch-based Coatings and Plum Fruit Surfaces: A Physical-Chemical Analysis
Int. J. Mol. Sci. 2019, 20(9), 2220; https://doi.org/10.3390/ijms20092220
Received: 12 March 2019 / Revised: 22 April 2019 / Accepted: 23 April 2019 / Published: 6 May 2019
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Abstract
In order to extend the shelf life of the fruit, improve appearance, and to keep all nutrition properties of the plum from diminishing, edible coatings comprised of wheat starch and wheat starch–whey protein isolate (in ratio 80/20) were created. Stand-alone films were produced [...] Read more.
In order to extend the shelf life of the fruit, improve appearance, and to keep all nutrition properties of the plum from diminishing, edible coatings comprised of wheat starch and wheat starch–whey protein isolate (in ratio 80/20) were created. Stand-alone films were produced to assess properties which helped to understand the phenomena occurring on the surface level of coated plums. The properties of coatings based on starch are similar to starch coatings containing oil because the natural epicuticular wax layer of plums merges with coating materials. Adding oil doubled the contact angle value and the dispersive component of the surface tension. The workings of adhesion and cohesion, spreading coefficient, water absorption, water content, and solubility in water of the films decreased. Similar processes were observed on the fruits’ surface. In appearance, the coating process is similar to polishing the plum surface for removing crystalline wax. The color parameters of coated fruits did not significantly change. Newly formed bonds or interactions established between starch, whey proteins, water, glycerol, and oil are displayed by Fourier transform infrared (FTIR) analysis. This work revealed how the interactions between the epicuticular wax on the fruit’s surface and the hydrocolloid-based coatings affect the efficiency of the coatings. Full article
(This article belongs to the Special Issue Bio- and Nano-Materials and Their Interfaces)
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Figure 1

Open AccessArticle
Electrospun Water-Borne Polyurethane Nanofibrous Membrane as a Barrier for Preventing Postoperative Peritendinous Adhesion
Int. J. Mol. Sci. 2019, 20(7), 1625; https://doi.org/10.3390/ijms20071625
Received: 2 March 2019 / Revised: 26 March 2019 / Accepted: 26 March 2019 / Published: 1 April 2019
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Abstract
Peritendinous adhesion is a major complication after tendon injury and the subsequent repairs or reconstructions. The degree of adhesion can be reduced by the interposition of a membranous barrier between the traumatized tendon and the surrounding tissue. In the present study, electrospun water-borne [...] Read more.
Peritendinous adhesion is a major complication after tendon injury and the subsequent repairs or reconstructions. The degree of adhesion can be reduced by the interposition of a membranous barrier between the traumatized tendon and the surrounding tissue. In the present study, electrospun water-borne polyurethane (WPU) nanofibrous membranes (NFMs) were created for use after the reparation or reconstruction of tendons to reduce adhesion. In the electrospinning process, water was employed as the solvent for WPU, and this solvent was ecofriendly and nontoxic. The nanofibrous architecture and pore size of the WPU NFMs were analyzed. Their microporosity (0.78–1.05 µm) blocked the penetration of fibroblasts, which could result in adhesion and scarring around the tendon during healing. The release of WPU mimicked the lubrication effect of the synovial fluid produced by the synovium around the tendon. In vitro cell studies revealed that the WPU NFMs effectively reduced the number of fibroblasts that became attached and that there was no significant cytotoxicity. In vivo studies with the rabbit flexor tendon repair model revealed that WPU NFMs reduced the degree of peritendinous adhesion, as determined using a gross examination; a histological cross section evaluation; and measurements of the range of motion of interphalangeal joints (97.1 ± 14.7 and 79.0 ± 12.4 degrees in proximal and distal interphalangeal joints respectively), of the length of tendon excursion (11.6 ± 1.9 cm), and of the biomechanical properties. Full article
(This article belongs to the Special Issue Bio- and Nano-Materials and Their Interfaces)
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Figure 1

Open AccessArticle
Thermal Vibration-Induced Rotation of Nano-Wheel: A Molecular Dynamics Study
Int. J. Mol. Sci. 2018, 19(11), 3513; https://doi.org/10.3390/ijms19113513
Received: 13 October 2018 / Revised: 2 November 2018 / Accepted: 6 November 2018 / Published: 8 November 2018
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Abstract
By bending a straight carbon nanotube and bonding both ends of the nanotube, a nanoring (or nano-wheel) is produced. The nanoring system can be driven to rotate by fixed outer nanotubes at room temperature. When placing some atoms at the edge of each [...] Read more.
By bending a straight carbon nanotube and bonding both ends of the nanotube, a nanoring (or nano-wheel) is produced. The nanoring system can be driven to rotate by fixed outer nanotubes at room temperature. When placing some atoms at the edge of each outer tube (the stator here) with inwardly radial deviation (IRD), the IRD atoms will repulse the nanoring in their thermally vibration-induced collision and drive the nanoring to rotate when the repulsion due to IRD and the friction with stators induce a non-zero moment about the axis of rotational symmetry of the ring. As such, the nanoring can act as a wheel in a nanovehicle. When the repulsion is balanced with the intertubular friction, a stable rotational frequency (SRF) of the rotor is achieved. The results from the molecular dynamics simulation demonstrate that the nanowheel can work at extremely low temperature and its rotational speed can be adjusted by tuning temperature. Full article
(This article belongs to the Special Issue Bio- and Nano-Materials and Their Interfaces)
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Graphical abstract

Int. J. Mol. Sci. EISSN 1422-0067 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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