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Biomimetics
Special Issues
Bioinspired Surfaces and Functions: 2nd Edition
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Bioinspired Surfaces and Functions: 2nd Edition

A special issue of Biomimetics (ISSN 2313-7673). This special issue belongs to the section "Biomimetic Surfaces and Interfaces".

Deadline for manuscript submissions: closed (5 February 2024) | Viewed by 3039

Special Issue Editor

Prof. Dr. Yongmei Zheng

E-Mail Website
Guest Editor
Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing 100191, China
Interests: bioinspired wettability; micro- and nanostructures; bioinspired surfaces
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Biological surfaces, e.g., lotus leaves, spider silk, cactus spines, butterfly wings, beetle backs, water strider legs, Nepenthes petals, feathers, gecko feet, fish skin, and compound eyes, have unique wettability and micro- and nanostructures for functions. Inspired by biological surfaces, surfaces with the isotropic micro- and nanostructures, anisotropic structures, heterogeneous wettable patterns, gradient roughness and conical geometry, spindle-knots and humped structures, and liquid-infused interfaces can be developed via bioinspired methods and techniques, including electrochemistry, soft lithography, dip-coating, microfluidics, electrospinning, imprinting, etc., to effectively achieve bioinspired surfaces, along with functions, such as fog-water harvesting, water repellency, anti-icing, nanofluidic, droplet transport, which would be related to application realms, etc.

In this Special Issue, the goal is to reveal novel bioinspired surfaces and functions investigated and designed in recent years, and advances in developing bioinspired surfaces for their applications.

This Special Issue will be focused on the design, fabrication, and technology of bioinspired surfaces, along with development in applications, such as anti-icing, water harvesting, droplet transport, heat transfer, droplet manipulation, fluid control, etc.

Topics include, but are not limited to, the following:

  • Anti-icing;
  • Fog-water collection;
  • Atmosphere water harvesting;
  • Water/liquid repellency;
  • Energy;
  • Color;
  • Fluid transport;
  • Manipulation;
  • Wetting/Non-wetting;
  • Coating;
  • Solar evaporation;
  • Separation;
  • Flexible.

Prof. Dr. Yongmei Zheng
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. Biomimetics is an international peer-reviewed open access monthly 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 2200 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

  • bioinspired surface
  • bioinspired micro and nanostructures
  • bioinspired functions

Published Papers (3 papers)

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Research

25 pages, 5484 KiB  
Article
In Vitro Characterization of Hydroxyapatite-Based Coatings Doped with Mg or Zn Electrochemically Deposited on Nanostructured Titanium
by Diana M. Vranceanu, Elena Ungureanu, Ionut C. Ionescu, Anca C. Parau, Vasile Pruna, Irina Titorencu, Mihaela Badea, Cristina-Ștefania Gălbău, Mihaela Idomir, Mihaela Dinu, Alina Vladescu (Dragomir) and Cosmin M. Cotrut
Biomimetics 2024, 9(4), 244; https://doi.org/10.3390/biomimetics9040244 - 18 Apr 2024
Viewed by 559
Abstract
Biomaterials are an important and integrated part of modern medicine, and their development and improvement are essential. The fundamental requirement of a biomaterial is found to be in its interaction with the surrounding environment, with which it must coexist. The aim of this [...] Read more.
Biomaterials are an important and integrated part of modern medicine, and their development and improvement are essential. The fundamental requirement of a biomaterial is found to be in its interaction with the surrounding environment, with which it must coexist. The aim of this study was to assess the biological characteristics of hydroxyapatite (HAp)-based coatings doped with Mg and Zn ions obtained by the pulsed galvanostatic electrochemical method on the surface of pure titanium (cp-Ti) functionalized with titanium dioxide nanotubes (NTs TiO2) obtained by anodic oxidation. The obtained results highlighted that the addition of Zn or Mg into the HAp structure enhances the in vitro response of the cp-Ti surface functionalized with NT TiO2. The contact angle and surface free energy showed that all the developed surfaces have a hydrophilic character in comparison with the cp-Ti surface. The HAp-based coatings doped with Zn registered superior values than the ones with Mg, in terms of biomineralization, electrochemical behavior, and cell interaction. Overall, it can be said that the addition of Mg or Zn can enhance the in vitro behavior of the HAp-based coatings in accordance with clinical requirements. Antibacterial tests showed that the proposed HAp-Mg coatings had no efficiency against Escherichia coli, while the HAp-Zn coatings registered the highest antibacterial efficiency. Full article
(This article belongs to the Special Issue Bioinspired Surfaces and Functions: 2nd Edition)
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19 pages, 3462 KiB  
Article
A Study on the Radiation Cooling Characteristics of Cerambycini Latreille
by Jie Xu and Delei Liu
Biomimetics 2024, 9(1), 34; https://doi.org/10.3390/biomimetics9010034 - 04 Jan 2024
Viewed by 910
Abstract
The severe climate and energy issues require more environmentally friendly and efficient cooling methods. Radiative cooling offers a cooling solution with significant advantages. However, current radiative cooling technologies focus primarily on seeking perfect materials to achieve complete wavelength absorption. However, numerous research studies [...] Read more.
The severe climate and energy issues require more environmentally friendly and efficient cooling methods. Radiative cooling offers a cooling solution with significant advantages. However, current radiative cooling technologies focus primarily on seeking perfect materials to achieve complete wavelength absorption. However, numerous research studies have shown that achieving such a perfect scenario is not feasible. Here, inspired by the surface of the Cerambycini Latreille, the inherent mechanism of radiative cooling functionality in the unique structure of these hairs is revealed using effective medium theory and Finite Difference Time Domain (FDTD) optical simulation analysis. Through alkaline etching and template methods, a biomimetic radiative cooling film (BRCF) was successfully fabricated. The BRCF not only efficiently reflects solar radiation but also enhances absorption in the atmospheric window wavelength range. The radiative cooling mechanism proposed in this study and the BRCF presented here may inspire researchers to further explore the field of structural radiative cooling. Full article
(This article belongs to the Special Issue Bioinspired Surfaces and Functions: 2nd Edition)
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11 pages, 2800 KiB  
Article
Artificial Hair Cell Sensor Based on Nanofiber-Reinforced Thin Metal Films
by Sajad A. Moshizi, Christopher J. Pastras, Shuhua Peng, Shuying Wu and Mohsen Asadnia
Biomimetics 2024, 9(1), 18; https://doi.org/10.3390/biomimetics9010018 - 02 Jan 2024
Viewed by 1102
Abstract
Engineering artificial mechanosensory hair cells offers a promising avenue for developing diverse biosensors spanning applications from biomedicine to underwater sensing. Unfortunately, current artificial sensory hair cells do not have the ability to simultaneously achieve ultrahigh sensitivity with low-frequency threshold detection (e.g., 0.1 Hz). [...] Read more.
Engineering artificial mechanosensory hair cells offers a promising avenue for developing diverse biosensors spanning applications from biomedicine to underwater sensing. Unfortunately, current artificial sensory hair cells do not have the ability to simultaneously achieve ultrahigh sensitivity with low-frequency threshold detection (e.g., 0.1 Hz). This work aimed to solve this gap by developing an artificial sensory hair cell inspired by the vestibular sensory apparatus, which has such functional capabilities. For device characterization and response testing, the sensory unit was inserted in a 3D printed lateral semicircular canal (LSCC) mimicking the environment of the labyrinth. The sensor was fabricated based on platinum (Pt) thin film which was reinforced by carbon nanofibers (CNFs). A Pi-shaped hair cell sensor was created as the sensing element which was tested under various conditions of simulated head motion. Results reveal the hair cell sensor displayed markedly higher sensitivity compared to other reported artificial hair cell sensors (e.g., 21.47 mV Hz−1 at 60°) and low frequency detection capability, 0.1 Hz < f < 1.5 Hz. Moreover, like the LSCC hair cells in biology, the fabricated sensor was most sensitive in a given plane of rotational motion, demonstrating features of directional sensitivity. Full article
(This article belongs to the Special Issue Bioinspired Surfaces and Functions: 2nd Edition)
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