| Why | Category | Medicine |
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| Level | Medium |
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| Use | Test-strip or sweat-patch surface that grabs CRP or IL-6 and ignores other proteins, to track arthritis flares |
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| What | Atoms | Sensor surface 300–1k + protein patch 1–3k + water. Au C H O N S P |
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| Build | Testing | Medium Spiked serum and sweat tests |
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| Funding | Compute ~$200 · Make ~$5–15k · Test ~$20–50k · Other diagnostic approval $1M+, partner pays |
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| Time | Make 4–8 wks · Test 4–8 wks · Total ~2–4 months |
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| How | Contact us for the design specs and build plan → |
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| Demo | CRP sticks to the sensor, albumin washes past |
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| Competition | Lab blood tests, antibody strips, aptamer sensors in research |
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| Business | Buyers | Abbott, Roche, wearable makers |
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| Revenue | High License to diagnostics makers. ~$1–10M/yr |
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