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Related Experiment Video

Updated: Jun 10, 2025

Antimicrobial Characterization of Advanced Materials for Bioengineering Applications
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Advanced bacteria-based biomaterials for environmental applications.

Yongjun Son1, Jihye Yang1, Wonjae Kim1

  • 1Laboratory of Molecular Environmental Microbiology, Department of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea.

Bioresource Technology
|October 17, 2024
PubMed
Summary

Microbially induced calcium carbonate precipitation (MICP) offers self-healing concrete solutions, reducing cement use and environmental impact. This review explores bacterial carriers and engineered living materials (ELMs) for sustainable construction.

Keywords:
Bacterial carrierBio-concreteCaCO(3) precipitationEngineered living materialsMicrocrack healing

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Area of Science:

  • Construction Materials Science
  • Environmental Engineering
  • Synthetic Biology

Background:

  • Portland cement production is a major source of CO2 emissions, contributing to global warming and ecological imbalance.
  • High costs associated with concrete maintenance and repair necessitate innovative solutions.
  • Microbially induced calcium carbonate precipitation (MICP) is a promising technology for self-healing concrete.

Purpose of the Study:

  • To review bacterial carriers for enhancing MICP-based self-healing concrete.
  • To describe the development of engineered living materials (ELMs) using MICP as sustainable construction alternatives.
  • To highlight challenges in the commercial-scale application of MICP technology.

Main Methods:

  • Literature review of MICP applications in concrete.
  • Analysis of bacterial carrier strategies for improved microbial viability.
  • Examination of synthetic biology and material science integration for ELM development.

Main Results:

  • Bacterial carriers can significantly enhance the self-healing capacity of concrete.
  • Engineered living materials (ELMs) based on MICP show potential as sustainable alternatives to traditional materials.
  • Commercial-scale application faces economic and environmental hurdles.

Conclusions:

  • MICP technology, particularly with advanced bacterial carriers and ELMs, offers a pathway to more sustainable concrete.
  • Further research is needed to address economic viability and environmental considerations for widespread adoption.
  • This field holds promise for reducing the carbon footprint of the construction industry.