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Biomimetics
Special Issues
Adhesives Inspired by Nature: When Bionics Boost Adhesive Innovation
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Adhesives Inspired by Nature: When Bionics Boost Adhesive Innovation

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

Deadline for manuscript submissions: closed (10 February 2025) | Viewed by 844

Special Issue Editor

Dr. Haytam Kasem

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Azrieli College of Engineering Jerusalem, Jerusalem 9103501, Israel
Interests: tribology; bio-tribology; wear; friction; adhesion; biomimetic surfaces; tribology of composite materials: tribology of polymers; surface texturing; coatings

Special Issue Information

Dear Colleagues,

Elements of nature, including plants, insects, and marine animals, exhibit distinct surface properties in their various components, including the leaves, wings, eyes, legs, and skin. These include water repellency, anti-adhesion, and anti-reflection. However, some natural surface properties serve as adhesive pads that allow insects and certain animals to adhere to and run on a variety of uneven surfaces in nature. These multifunctional surface properties are a result of complex three-dimensional and hierarchical surface structures with controlled surface chemistry and mechanical flexibility. In recent decades, there has been significant progress in understanding the fundamental aspects of surface and interfacial phenomena related to such adhesive multifunctional surfaces. This progress has also extended to the design, fabrication, and applications of adhesive surfaces and materials inspired by nature. The new Special Issue, entitled "Adhesives Inspired by Nature: When Bionics Boost Adhesive Innovation", in the open access journal Biomimetics will allow researchers in the field to publish their latest progress in nature-inspired adhesive surfaces, covering areas such as physics, chemistry, biology, material science, and various engineering disciplines

Dr. Haytam Kasem
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

  • biomimetics
  • adhesive mechanisms
  • textured surfaces
  • tribological performances
  • bio-materials

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Published Papers (1 paper)

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Review

17 pages, 7656 KiB  
Review
Supramolecular Adhesives Inspired by Nature: Concept and Applications
by Abhishek Baral and Kingshuk Basu
Biomimetics 2025, 10(2), 87; https://doi.org/10.3390/biomimetics10020087 - 1 Feb 2025
Viewed by 486
Abstract
Supramolecular chemistry, a relatively newly grown field, has emerged as a useful tool to fabricate novel smart materials with multiple uses. Adhesives find numerous uses, from heavy engineering to biomedical science. Adhesives are available in nature; inspired by them and their mechanism of [...] Read more.
Supramolecular chemistry, a relatively newly grown field, has emerged as a useful tool to fabricate novel smart materials with multiple uses. Adhesives find numerous uses, from heavy engineering to biomedical science. Adhesives are available in nature; inspired by them and their mechanism of adhesion, several supramolecular adhesives have been developed. In this review, supramolecular chemistry for the design and fabrication of novel adhesives is discussed. The discussion is divided into two segments. The first one deals with key supramolecular forces, and their implication is designing novel adhesives. In the second part, key applications of supramolecular adhesives have been discussed with suitable examples. This type of review casts light on the current advancements in the field along with the prospects of development. Full article
(This article belongs to the Special Issue Adhesives Inspired by Nature: When Bionics Boost Adhesive Innovation)
►▼ Show Figures

Figure 1

Figure 1
<p>(<b>a</b>) Catechol-based molecular robust adhesives inspired by nature. Catechol forms a bidentate H-bonding network to form adhesion. H-bonding interaction and hydrophobicity make catechol groups protected from oxidation [<a href="#B28-biomimetics-10-00087" class="html-bibr">28</a>]. (Reproduced with permission from the American Chemical Society). (<b>b</b>) β-cyclodextrin (CD)- and 2,2’-bipyridyl (bpy)-based adhesive. The host–guest interaction provides stable adhesion, whereas the metal ion coordination site makes the adhesion dynamic. The dynamic nature also endows the gels with stimuli responsiveness (adapted from [<a href="#B29-biomimetics-10-00087" class="html-bibr">29</a>]).</p> Full article ">Figure 2
<p>(<b>a</b>) Appending ionic liquid-like motifs can provide significant electrostatic interaction sites for an adhesive. PMBT, (poly(1–[2–methacryloylethyl]–3–methylimidazolium bis(trifluoromethane)-sulfonamide)), is a nice example of such a moiety where H-bond is hampered at the cost of electrostatic gain. The adhesion is stable at a higher temperature range (adapted from [<a href="#B35-biomimetics-10-00087" class="html-bibr">35</a>]). (<b>b</b>) Incorporating positive or negative charges into PHEMA-based adhesive on quartz (PEI to blue quartz; PAA to red quartz), and the molecular self-assembly produces a strong adhesion in the adhered solids [<a href="#B36-biomimetics-10-00087" class="html-bibr">36</a>]. (reproduced with permission from the American Chemical Society) (<b>c</b>) π–π stacking interaction between graphene and polydopamine provides adhesion in conductive composite hydrogels [<a href="#B37-biomimetics-10-00087" class="html-bibr">37</a>] (reproduced with permission from the American Chemical Society).</p> Full article ">Figure 3
<p>Underwater adhesive hydrogels. (<b>a</b>) Schematic illustration of the fabrication of the underwater adhesive hydrogels. The hydrogel (PAM-C-M) created from MBAA-crosslinked poly(acrylamideco-C18) was immersed in an aqueous Fe<sup>3+</sup> solution followed by a water-washing process to obtain a hydrogel (Fe-PAM-C-M) with a hydrophobic surface. DI water was used, and MBAA is N,N′-methylenebisacrylamide. (<b>b</b>) Schematic illustration of the self-hydrophobization process for the formation of firm underwater adhesion between the hydrogel and substrate. When the hydrogel is compressed to achieve contact with the substrate underwater, the hydrophobic interactions form and grow at the interface and repel water away from the interface. (<b>c</b>) Demonstration of underwater adhesion. The as-prepared hydrophilic PAM-C-M hydrogel was nonadhesive and slipped away from the metal block surface underwater, while the hydrophobic Fe-PAM-C-M hydrogel firmly adhered to the metal block surface and was able to lift the block (200 g) up underwater. (<b>d</b>) Photograph showing that the adhesion between the hydrogel and substrate is strong enough to resist water blasting for 10 s (adapted from reference [<a href="#B40-biomimetics-10-00087" class="html-bibr">40</a>]). (<b>e</b>) Crown ether-appended hydrophobic moisture-proof adhesive, formation of glassy appearance upon heating and cooling with moldable shape formation properties (right side upper panel), and macroscopic adhesion with different substances with strong adhesion value (right lower panel) [<a href="#B41-biomimetics-10-00087" class="html-bibr">41</a>] (reproduced with permission from the American Chemical Society).</p> Full article ">Figure 4
<p>Modification of the carboxylic acid end with the acylhydrazine group increases the H-bonding interaction in thioctic acid, branched bonding interaction (lower left panel); (<b>A</b>–<b>C</b>) show the mechanism of robust adhesion (adapted from [<a href="#B43-biomimetics-10-00087" class="html-bibr">43</a>]).</p> Full article ">Figure 5
<p>Photopolymerization of a Fe<sup>3+</sup>-coordinated catechol-based dynamic hydrogel. Healing of the stretched hydrogel holds potential promise for bioadhesion (right panel) [<a href="#B47-biomimetics-10-00087" class="html-bibr">47</a>] (reproduced with permission from the American Chemical Society).</p> Full article ">Figure 6
<p>(<b>a</b>) PDMAPS-co-PMA-Ade/chitosan hydrogel as a wound dressing in a full-thickness skin defect. The left panel shows molecular structures and the right panel shows photographs of wounds treated by the control, gauze, PDMAPS-co-PMA-Ade (Gel 1), and PDMAPS-co-PMA-Ade/chitosan (Gel 2) hydrogel samples on days 0, 3, 7, 10, and 14 [<a href="#B39-biomimetics-10-00087" class="html-bibr">39</a>] (reproduced with permission from the American Chemical Society). (<b>b</b>) Illustration of preparing HA-PG hydrogel patches incorporated with inorganic particles (HAP, WKT) and BMP-2 and intermolecular complex formation through the coordination of oxidized PG moieties with ions released from HAP and WKT particles [<a href="#B55-biomimetics-10-00087" class="html-bibr">55</a>] (reproduced with permission from Elsevier).</p> Full article ">
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