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Scientists grow stronger materials with the help of cyanobacteria

  • November 29, 2024
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Researchers have grown bacteria in sand-based materials, combining biology and architecture to create sustainable construction methods. Cyanobacteria strengthen materials and help fix CO2 through innovative manufacturing methods that


Researchers have grown bacteria in sand-based materials, combining biology and architecture to create sustainable construction methods. Cyanobacteria strengthen materials and help fix CO2 through innovative manufacturing methods that combine robotic and biological processes.


Innovative biodesign for sustainable construction

Researchers have successfully grown bacterial cells in sand-based building materials. Research Directions: Biotechnology Design A new journal from Cambridge University Press.

This breakthrough represents a major advance in the field of biodesign, which combines biological and architectural innovations to create more sustainable building materials. This approach, which integrates living organisms into construction, aims to change the way structures are designed and built.

Cyanobacteria, known for their unique biological properties, have the potential to solidify inorganic substances such as CO2.2. Their ability to impact the environment highlights the tremendous value of incorporating living systems into industrial processes, particularly in the construction industry.

Innovative technologies of additive manufacturing

Covering this latest research into potential sand-based materials, the article describes the new development of the additive co-manufacturing process. Specifically, the research process involves the biodeposition of bacteria (e.g., cyanobacterial deposition of calcium carbonate) and its integration with robotic deposition in the architectural biofabrication workflow, i.e., sand-based biomix.

Fortification of sand-based components using photosynthesis

Following the successful cultivation of two bacterial strains in potential sand-based construction materials, the researchers used microbiological protocols such as optical density and fluorescence measurements to monitor bacterial growth and activity. This was done with the broader goal of harvesting light through photosynthesis and using it to break down CO2.2 and calcium carbonate precipitation to strengthen sand-based structural components.

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Ultimately, the researchers succeeded in creating a robotic system for depositing sand-based mixtures. The paper was co-authored by researchers at the Israel Technion Institute of Technology, Faculty of Architecture and Urban Planning, and Faculty of Biotechnology and Food Engineering in Haifa, Israel.

Towards sustainable construction in the future

“The experiments presented in our study offer a new approach to create bio-based architectural components that can potentially sequester carbon dioxide during the additive co-fabrication process,” they explained.

“Society needs pathways to more sustainable building materials, and we hope to develop one of those pathways.”

“We hope that the results of our research will contribute to greater collaboration between architects and biologists, in the creation and improvement of building materials and therefore in supporting greener construction. By working together across disciplines, we are able to come up with innovative, unexpected solutions, and this is something to be appreciated.”

Source: Port Altele

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