bi-crnkovic-2024-bio-leather-sustainable-clothing-fabrics-made-from-simple-media-ingredients-and-slime-mold-physarum

Abstract

  • The textile industry contributes to global warming, especially leather production.

  • Current efforts focus on alternative non-toxic chemicals and recycling fabrics.

  • This study uses slime mold Physarum polycephalum to create sustainable leather-like fabrics from simple media.

Introduction

Environmental Concerns

  • The textile industry significantly impacts human health and the environment through toxic chemicals and high water usage.

  • Leather production further exacerbates these issues with livestock rearing and toxic tanning processes.

Current Solutions and Innovations

  • Environmentally friendly dyeing processes are being employed.

  • Biological materials (e.g., mushroom mycelium, algae) are explored as alternatives for fabric production.

  • Genetically engineered microorganisms can synthesize biomolecules for fabrics, although their use is limited by required equipment and biocontainment.

Research Focus

  • This research investigates Physarum polycephalum for fabric production due to its problem-solving abilities and ease of growth in non-sterile conditions.

  • The study aims to develop fabrics that are environmentally friendly, easy to manufacture, and exhibit unique properties.

Methodology

Sourcing and Growing Physarum Polycephalum

  • P. polycephalum was sourced and cultivated using various nutritious media including agar, gelatin, and glycerol.

  • The growth viability of P. polycephalum was tested in contaminated environments.

Media Composition Experiments

  • Several gelling agents and compositions were tested to determine optimal media for the plasmodium growth.

  • Successful media compositions were characterized by sturdiness and flexibility post air-drying.

Fabric Production

  • The plasmodium-infused media were processed to form flexible fabric sheets suitable for clothing and footwear.

  • Garment manufacturing involved standard sewing techniques with the newly developed bio-leather.

Results and Discussion

Growth Viability

  • Physarum polycephalum successfully grew in non-sterile lab conditions and even in the presence of competing microorganisms.

  • Oatmeal was effectively used as a food source to enhance plasmodium growth, demonstrating its nutritional preferences.

Nutritional Versatility

  • Plasmodium could utilize various nutrients, such as oatmeal and mushrooms, but avoided raw beef, indicating selective feeding abilities that impact growth morphology.

Maze Experiment

  • Conducted maze experiments show that P. polycephalum can navigate through complex pathways to find food, demonstrating memory and route optimization capabilities.

Fabric Testing

  • Plasmodium growth was successfully demonstrated on several fabrics.

  • The study confirms that agar-based media can sustain growth and contribute to fabric production while minimizing reliance on traditional textile materials.

Conclusion

  • This study outlines the potential of P. polycephalum in sustainable fabric production through the development of bio-leather.

  • Future applications could see integration of living materials in clothing for novel functionalities such as biosensing and self-repair.

Acknowledgments

  • Acknowledgment of collaborators and contributors involved in research and development.

References

  • Comprehensive citations of studies and reports supporting the research claims.