Plasma amyloid-β (Aβ) peptides, alone or in ratio with p-tau217, show strong potential as Alzheimer’s disease biomarkers. While immunoprecipitation-mass spectrometry (IP-MS) is the preferred method for plasma Aβ quantification, current assays are resource- and time-intensive. Investigators from Pitt Psychiatry including Yijun Chen, PhD (prior graduate student, Karikari Lab); Chaeryon Kang, PhD (Associate Professor...