| Why | Category | Biotech |
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| Level | Hard |
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| Use | Replace costly Protein A resin, the biggest consumable in antibody manufacturing |
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| What | Atoms | Antibody binding patch 1–3k + ligand 20–60 + water. C H O N S |
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| How | Contact us for the design specs and build plan → |
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| Demo | Ligand grips the antibody’s stem, then lets go when pH drops |
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| Competition | Protein A resins (Cytiva MabSelect, Repligen), mimetic ligands (MEP HyperCel) |
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| Business | Buyers | Cytiva, Repligen, Merck, antibody makers |
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| Revenue | Very high License to resin makers. ~$5–20M/yr if adopted |
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