The National Institutes of Health (NIH) intends to award a sole-source, firm-fixed-price contract to Banner Sun Health for NULISA protein analysis services to support Alzheimer’s disease and related dementia biomarker research. The required services include longitudinal analytical consistency, drift correction, data normalization, and harmonization with future datasets, which only Banner Sun Health can provide immediately using its existing, validated QC bridging cohort. The period of performance includes a 12-month base period (August 1, 2026 – July 31, 2027) and two 12-month option periods. Services will be performed in Bethesda, MD. No budget amount is specified.