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Related Experiment Video

Updated: Nov 2, 2025

TAPE: A Biodegradable Hemostatic Glue Inspired by a Ubiquitous Compound in Plants for Surgical Application

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Published on: June 8, 2016

Ultra-strong bio-glue from genetically engineered polypeptides.

Chao Ma^1,2,3, Jing Sun^3,4, Bo Li⁴

¹Department of Chemistry, Tsinghua University, Beijing, China.

Nature Communications

|June 15, 2021

Summary

This summary is machine-generated.

Researchers developed a strong, biocompatible protein-based adhesive. This new biomedical glue offers high adhesion for tissue repair and outperforms existing protein-based options.

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Area of Science:

Biomaterials Science
Adhesive Technology
Tissue Engineering

Background:

Developing effective biomedical glues requires balancing strong adhesion with tissue adaptability.
Existing protein-based adhesives often lack the necessary strength for demanding applications.

Purpose of the Study:

To create a biocompatible and biodegradable protein-based adhesive with superior adhesion properties.
To investigate the supramolecular mechanisms underlying the adhesive's performance.
To evaluate the in vitro and in vivo efficacy of the adhesive for various medical applications.

Main Methods:

Formulation of a complex from cationic polypeptides and anionic aromatic surfactants.
Characterization of adhesion strength on hard and soft substrates.
Assessment of mechanical properties without covalent bond formation.
In vitro and in vivo testing for cosmetic, hemostasis, and wound healing applications.

Main Results:

Achieved maximum adhesion strength of 16.5 ± 2.2 MPa on hard substrates, comparable to cyanoacrylate superglue.
Demonstrated significantly higher adhesion than existing protein-based adhesives.
Exhibited strong adhesion on soft tissues, outperforming some commercial biomedical glues.
Confirmed robust performance in vitro and in vivo, showing accelerated wound healing.

Conclusions:

A novel biocompatible and biodegradable protein-based adhesive has been developed.
The adhesive utilizes supramolecular interactions for robust mechanical properties and strong adhesion.
The material shows significant potential for applications in cosmetics, hemostasis, and accelerated wound healing.