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Bioreactor Controls-III01:22

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Strain improvement is a foundational strategy in industrial microbiology aimed at maximizing microbial productivity, particularly because natural isolates typically yield commercially valuable products in very low concentrations. Although optimizing the culture medium and environmental conditions can improve yields, these adjustments are inherently limited by the organism’s genetic potential. As a result, the focus shifts toward genetic modifications to enhance biosynthetic capacity. The...
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Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...

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Related Experiment Video

Updated: Jun 28, 2026

Manufacturing Of Robust Natural Fiber Preforms Utilizing Bacterial Cellulose as Binder
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High-Performance Engineered Composites Biofabrication Using Fungi.

Mingchang Zhang1, Xiaoqi Zhao1, Mingyang Bai1,2

  • 1MOE Key Laboratory of Wooden Material Science and Application, College of Material Science and Technology, Beijing Forestry University, Beijing, 100083, P. R. China.

Small (Weinheim an Der Bergstrasse, Germany)
|January 10, 2024
PubMed
Summary
This summary is machine-generated.

Fungi create sustainable, high-performance composites using chemical adhesion and mechanical interlocking. This biofabrication method offers healing, recyclability, and scalable manufacturing for engineered materials.

Keywords:
engineered materialshealingmyceliumrecyclabilityscalable manufacturing

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Area of Science:

  • Materials Science
  • Biotechnology
  • Polymer Science

Background:

  • Natural polymers present sustainable alternatives to petroleum-based adhesives for engineered materials.
  • Current methods often require chemical modifications and complex manufacturing processes.

Purpose of the Study:

  • To demonstrate a sustainable, high-performance engineered composite using fungal biofabrication.
  • To explore fungal bonding strategies involving chemical adhesion and mechanical interlocking for enhanced material properties.

Main Methods:

  • Utilized a fungal platform for composite fabrication, leveraging extracellular polymeric substrates and glycosylated proteins for chemical adhesion.
  • Incorporated mycelial networks and fungal cell wall components (chitin, β-glucan) for mechanical interlocking and structural stability.
  • Investigated dynamic non-covalent interactions, such as hydrogen bonding, for material properties like self-healing and recyclability.

Main Results:

  • Achieved chemical adhesion via fungal extracellular polymers and glycosylated proteins.
  • Established mechanical interlocking through mycelial networks (elastic modulus 2.8 GPa) and fungal cell walls.
  • Demonstrated unique properties including self-healing, recyclability, and scalable manufacturing due to dynamic non-covalent interactions.
  • Characterized composite physicochemical properties (modulus of elasticity 1455.3 MPa, bond strength 0.55 MPa, hardness 82.8, contact angle 110.2°) comparable or superior to conventional materials.

Conclusions:

  • Fungal biofabrication offers a sustainable route to high-performance engineered composites.
  • The demonstrated bonding mechanisms provide excellent material properties and functionalities.
  • This approach may inspire the development of novel sustainable materials using biological systems.