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Biomimetics
Special Issues
Biological Adhesives: From Biology to Biomimetics 2.0
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Biological Adhesives: From Biology to Biomimetics 2.0

A special issue of Biomimetics (ISSN 2313-7673). This special issue belongs to the section "Biomimetics of Materials and Structures".

Deadline for manuscript submissions: closed (31 January 2024) | Viewed by 4467

Special Issue Editors

Dr. Zhouyi Wang

E-Mail Website
Guest Editor
Institute of Bio-inspired Structure and Surface Engineering, Nanjing University of Aeronautics and Astronautics, 29 Yudao Street, Nanjing 210016, China
Interests: locomotion behavior; zoology; morphology; gecko; reaction force; biomechanics; adhesion; soft climbing robots; trajectory planning; friction
Special Issues, Collections and Topics in MDPI journals
Dr. Xuan Wu

E-Mail Website
Guest Editor
China Nanhu Academy of Electronics and Information Technology, 111 Qixing Street, Jiaxing 314002, China
Interests: adhesion mechanism; cross-scale regulatory structure; climbing robots; legged locomotion; surface roughness; stability analysis; real-time systems; control in adhesion locomotion
Special Issues, Collections and Topics in MDPI journals
Dr. Saihua Jiang

E-Mail Website
Guest Editor
School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou, China
Interests: bionic adhesion robot; application of adhesion robot; functionalization; chemical synthesis; photocatalysis; heterojunction
Special Issues, Collections and Topics in MDPI journals
Dr. Yang Li

E-Mail Website
Guest Editor
College of Mechanical & Electrical Engineering, Nanjing University of Aeronautics and Astronautics, 29 Yudao Street, Nanjing 210016, China
Interests: nanomaterials synthesis; material characterization; chemical vapor deposition; manufacture and application of micro/nano structure; intelligent adhesion structure; space environment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Many natural organismsshow advanced functional properties compared with modern machine. The research process from biology to biomimetics, is to study, learn and imitate the excellent functions and characteristics of organisms, and then promote the development and application of science and technology. Due to the needs of foraging and escaping, animals in nature have evolved feet with macro-micro sophisticated structures that form reliable adhesive contacting with natural surfaces, as well as the ability to regulate adhesion ability. The high-performance biomimetic adhesion system is one of the keys for intelligent robots to achieve unobstructed full-space locomotion, which promotes basic research on the origin and mechanical properties of bioadhesion, inspiring biomimetic microstructure adhesive surfaces, adhesion mechanisms, climbing robots, etc. However, it is still extremely challenging that the in-depth understanding of bioadhesion systems and their translation into biomimetic designs and implementations from mimicking biological structures or behaviors. This special issue aims to collect the latest progress in the fields of biology/biomimetic adhesion/biomimetic micro-nano structure/bio-mechanism from different academic institutions, so as to promote the development and application of biomimetic adhesion.

In order to achieve the goal of combining basic research and applications, this special issue covers the topics range from bioadhesion mechanisms to biomimetic adhesion technologies, including but not limited to the following contents: adhesion mechanisms, adhesion mechanics models, biomimetic dry adhesion materials/structures, biomimetic adhesion units/mechanisms, bioinspired adhesion motion control, etc.

Dr. Zhouyi Wang
Dr. Xuan Wu
Dr. Saihua Jiang
Dr. Yang Li
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. 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

  • bio-adhesion mechanism adhesion mechanics
  • bio-inspired design principles of adhesion system
  • bionic adhesive material/structure
  • bionic adhesion robot
  • control in adhesion locomotion
  • application of bionic adhesion robot

Published Papers (3 papers)

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Research

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20 pages, 4527 KiB  
Article
Device for Measuring Contact Reaction Forces during Animal Adhesion Landing/Takeoff from Leaf-like Compliant Substrates
by Zhouyi Wang, Yiping Feng, Bingcheng Wang, Jiwei Yuan, Baowen Zhang, Yi Song, Xuan Wu, Lei Li, Weipeng Li and Zhendong Dai
Biomimetics 2024, 9(3), 141; https://doi.org/10.3390/biomimetics9030141 - 26 Feb 2024
Viewed by 948
Abstract
A precise measurement of animal behavior and reaction forces from their surroundings can help elucidate the fundamental principle of animal locomotion, such as landing and takeoff. Compared with stiff substrates, compliant substrates, like leaves, readily yield to loads, presenting grand challenges in measuring [...] Read more.
A precise measurement of animal behavior and reaction forces from their surroundings can help elucidate the fundamental principle of animal locomotion, such as landing and takeoff. Compared with stiff substrates, compliant substrates, like leaves, readily yield to loads, presenting grand challenges in measuring the reaction forces on the substrates involving compliance. To gain insight into the kinematic mechanisms and structural–functional evolution associated with arboreal animal locomotion, this study introduces an innovative device that facilitates the quantification of the reaction forces on compliant substrates, like leaves. By utilizing the stiffness–damping characteristics of servomotors and the adjustable length of a cantilever structure, the substrate compliance of the device can be accurately controlled. The substrate was further connected to a force sensor and an acceleration sensor. With the cooperation of these sensors, the measured interaction force between the animal and the compliant substrate prevented the effects of inertial force coupling. The device was calibrated under preset conditions, and its force measurement accuracy was validated, with the error between the actual measured and theoretical values being no greater than 10%. Force curves were measured, and frictional adhesion coefficients were calculated from comparative experiments on the landing/takeoff of adherent animals (tree frogs and geckos) on this device. Analysis revealed that the adhesion force limits were significantly lower than previously reported values (0.2~0.4 times those estimated in previous research). This apparatus provides mechanical evidence for elucidating structural–functional relationships exhibited by animals during locomotion and can serve as an experimental platform for optimizing the locomotion of bioinspired robots on compliant substrates. Full article
(This article belongs to the Special Issue Biological Adhesives: From Biology to Biomimetics 2.0)
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14 pages, 4727 KiB  
Article
Bio-Inspired Self-Healing, Shear-Thinning, and Adhesive Gallic Acid-Conjugated Chitosan/Carbon Black Composite Hydrogels as Suture Support Materials
by Hyun Ho Shin and Ji Hyun Ryu
Biomimetics 2023, 8(7), 542; https://doi.org/10.3390/biomimetics8070542 - 12 Nov 2023
Cited by 1 | Viewed by 1399
Abstract
The occurrence of leakage from anastomotic sites is a significant issue given its potential undesirable complications. The management of anastomotic leakage after gastrointestinal surgery is particularly crucial because it is directly associated with mortality and morbidity in patients. If adhesive materials could be [...] Read more.
The occurrence of leakage from anastomotic sites is a significant issue given its potential undesirable complications. The management of anastomotic leakage after gastrointestinal surgery is particularly crucial because it is directly associated with mortality and morbidity in patients. If adhesive materials could be used to support suturing in surgical procedures, many complications caused by leakage from the anastomosis sites could be prevented. In this study, we have developed self-healing, shear-thinning, tissue-adhesive, carbon-black-containing, gallic acid-conjugated chitosan (CB/Chi-gallol) hydrogels as sealing materials to be used with suturing. The addition of CB into Chi-gallol solution resulted in the formation of a crosslinked hydrogel with instantaneous solidification. In addition, these CB/Chi-gallol hydrogels showed enhancement of the elastic modulus (G′) values with increased CB concentration. Furthermore, these hydrogels exhibited excellent self-healing, shear-thinning, and tissue-adhesive properties. Notably, the hydrogels successfully sealed the incision site with suturing, resulting in a significant increase in the bursting pressure. The proposed self-healing and adhesive hydrogels are potentially useful in versatile biomedical applications, particularly as suture support materials for surgical procedures. Full article
(This article belongs to the Special Issue Biological Adhesives: From Biology to Biomimetics 2.0)
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Review

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28 pages, 51497 KiB  
Review
Gecko-Inspired Controllable Adhesive: Structure, Fabrication, and Application
by Yanwei Liu, Hao Wang, Jiangchao Li, Pengyang Li and Shujuan Li
Biomimetics 2024, 9(3), 149; https://doi.org/10.3390/biomimetics9030149 - 01 Mar 2024
Viewed by 1566
Abstract
The gecko can achieve flexible climbing on various vertical walls and even ceilings, which is closely related to its unique foot adhesion system. In the past two decades, the mechanism of the gecko adhesion system has been studied in-depth, and a verity of [...] Read more.
The gecko can achieve flexible climbing on various vertical walls and even ceilings, which is closely related to its unique foot adhesion system. In the past two decades, the mechanism of the gecko adhesion system has been studied in-depth, and a verity of gecko-inspired adhesives have been proposed. In addition to its strong adhesion, its easy detachment is also the key to achieving efficient climbing locomotion for geckos. A similar controllable adhesion characteristic is also key to the research into artificial gecko-inspired adhesives. In this paper, the structures, fabrication methods, and applications of gecko-inspired controllable adhesives are summarized for future reference in adhesive development. Firstly, the controllable adhesion mechanism of geckos is introduced. Then, the control mechanism, adhesion performance, and preparation methods of gecko-inspired controllable adhesives are described. Subsequently, various successful applications of gecko-inspired controllable adhesives are presented. Finally, future challenges and opportunities to develop gecko-inspired controllable adhesive are presented. Full article
(This article belongs to the Special Issue Biological Adhesives: From Biology to Biomimetics 2.0)
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