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TechCrunch · October 13, 2026 · On the brief until October 27, 2026

Giraffe Bio aims its bespoke biomolecules at the looming copper shortage

Materials ScienceChemical EngineeringEnvironmental Science
THE AI ANGLE
Driving copper demand through data center expansion

Giraffe Bio raised 6.4 million dollars to produce custom biomolecules for mineral flotation. The company grows engineered microbes in bioreactors to make reagents that target specific ores. This approach replaces toxic separation chemicals and can increase copper recovery without maintaining live bacteria in mine environments.

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Engineers can weigh the costs and separation performance of purified biomolecules against traditional toxic reagents and live microbial leaching.

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