Engineering and Technology

Barnacle cement protein as an efficient bioinspired corrosion inhibitor

M. H. Bui, S. H. Hiew, et al.

This study, conducted by My Hanh Bui and colleagues, explores the remarkable anti-corrosion capabilities of the recombinant protein rMrCP20, sourced from the barnacle *Megabalanus rosa*. This innovative research reveals how rMrCP20 offers exceptional protection to mild steel in high-salt marine environments, potentially leading to green corrosion inhibitors and sustainable solutions.

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Abstract

This study investigates the anti-corrosion properties of recombinant protein rMrCP20, derived from the adhesive cement of the barnacle *Megabalanus rosa*. The research demonstrates that rMrCP20 effectively protects mild steel against corrosion under high-salt conditions, mimicking the marine environment. This protection is attributed to the protein's strong adsorption to surfaces and its interaction with Fe ions released from the steel, forming a stable protective layer. The findings highlight the potential of rMrCP20 as a green corrosion inhibitor and offer molecular-level insights for developing environmentally friendly alternatives.

Publisher

Communications Materials

Published On

Feb 23, 2024

Authors

My Hanh Bui, Shu Hui Hiew, Teddy Salim, Wan Geok Saw, Richard D. Webster, Gerhard Grüber, Yuguang Mu, Ali Miserez

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