Nanobioremediation technologies for environmental cleanup: Principles, current advances and applications

Institute of Engineering & Management, School of University of Engineering and Management, Kolkata - 700091, India

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Published online: 29 May 2026

Abstract

Nanobioremediation is an emerging, eco-friendly technology that integrates nanotechnology with biological processes to enhance the cleanup of contaminated environments. By combining doctored nanomaterials with microbes, plants and enzymes, this strategy profoundly elevates degradation, transformation, or immobilization of pollutants that includes heavy metals, hydrocarbons, dyes, pesticides and various industrial wastes. Nanomaterials such as metal nanoparticles, nano-enzymes, and carbon-based nanostructures increase pollutant bioavailability, accelerate redox reactions and strengthen microbial metabolic activity, thereby enabling faster and more efficient remediation. Additionally, biologically synthesized nanoparticles offer reduced toxicity and better environmental compatibility compared to chemically produced alternatives. Key advancements include the use of nano-bio hybrids for targeted contaminant removal and nano-enabled biosensors that provide realtime monitoring of remediation progress. Despite its great promise, challenges such as nanoparticle toxicity, environmental persistence, high production costs and regulatory uncertainties must be addressed before large-scale deployment. Research focused on biodegradable nanomaterials, risk assessment frameworks and the optimization of nano-bio interactions will be essential for safe application. Overall, nanobioremediation provides a sustainable and highly effective strategy for environmental cleanup, with potential to transform conventional remediation practices in soil, water, and industrial ecosystems.