Bill & Melinda Gates Foundation Announces $800k Micronutrient Assays Grant Call

Developing high-precision, low-cost diagnostic infrastructure is crucial for tracking population-level nutritional status and guiding public health interventions across sub-Saharan Africa. The Gates Micronutrient Assays Grants call provides substantial non-dilutive funding to resolve known failure modes in current multiplex immunological testing—including standard heterogeneity, batch-to-batch inconsistency, and narrow analytical ranges.

Gates Micronutrient Assays Grants Call Overview

Grand Challenges: Multiplex Platforms to Assess Indicators of Micronutrient Status, Infection and Inflammation

• Funding Body: Bill & Melinda Gates Foundation (Grand Challenges).

• Target Applicants: Academic institutions, national reference laboratories, non-profit organizations, for-profit entities, government agencies, and diagnostics manufacturers applying as legally recognized entities. Multi-institutional consortia involving low- and middle-income country (LMIC) partners and women-led initiatives are explicitly prioritized.

• Grant Scope: Funding under the Gates Micronutrient Assays Grants targets improved multiplex immunological assays measuring core micronutrient biomarkers (iron, vitamin A, iodine, folate, B12, B1, B2) alongside key infection/inflammation indicators (CRP and AGP) for routine public health surveillance. Assays must achieve a cost of $20 USD or less per sample in duplicate testing and utilize small sample volumes (5–10 µL of plasma/serum).

• Funding Tiers & Specifications:

  • Alternative A (Minimum Scope): Up to $200,000 USD over 12 months. Requires measuring sTfR, ferritin, RBP4, thyroglobulin, plasma methyl-THF, holo-transcobalamin, CRP, and AGP with <20% coefficient of variation (CV), ≤10% bias, and ≥90% concordance with gold standards at sample volumes ≤10 µL.

  • Alternative B (Optimistic Scope): Up to $800,000 USD over 24 months. Adds B1/B2 metabolites, thyroid hormones, or RBC folate vitamers, achieving <10% CV, ≤5% bias, and ≥95% concordance at sample volumes ≤5 µL.

• Deadline: Tuesday, 8 September 2026 at 11:30 AM PDT (Closing in 4 days).

• How to Apply:

  • Apply directly through the official Grand Challenges Challenge Page.

  • Application Tip: Choose between Alternative A and B based strictly on existing feasibility data. Applications must show strong multi-institutional collaboration across human metabolism, immunology, and assay manufacturing. Include a detailed LMIC reference lab implementation plan and a concrete technical assistance/equipment maintenance strategy.

Strategic Research Insights and Gates Micronutrient Assays Grants Impact

National fortification strategies and targeted supplementation policies across Africa depend on accurate, timely surveillance data. By leveraging the Gates Micronutrient Assays Grants to design affordable, audit-ready multiplex panels, regional immunology and reference laboratories can establish real-time diagnostic baselines that replace outdated data and directly demonstrate the impact of national nutrition programs.

Frequently Asked Questions

Are dried blood spot (DBS) applications eligible for this grant?

No. Dried blood spot application development is explicitly outside the core scope of both Alternative A and Alternative B under the Gates Micronutrient Assays Grants call.

Can a single individual or single-investigator lab apply without partners?

No. Individual applicants without a legal entity do not qualify. Furthermore, because the initiative requires expertise spanning biomolecule characterization, human metabolism, and assay manufacturing, collaborative consortia are strongly expected.