Patent ID: 11913964
Assignee: ADEPTRIX CORP.
Field: Measurement (Instruments)
Classification: CPC G | IPC A  C  G

Claim 0:
1. A method for analyzing a biological sample, the method comprising the steps of:
obtaining a plurality of endogenous amyloid beta (Aβ) peptides by subjecting a biological sample containing human cerebrospinal fluid (CSF) to immunoprecipitation (IP), and
analyzing at least one of the plurality of endogenous Aβ peptides using mass spectrometry,
wherein the step of analyzing at least one of the plurality of endogenous Aβ peptides using mass spectrometry comprises obtaining a mass spectrometry signal from at least one endogenous CSF Aβ peptide selected from the group of Aβ1-6, Aβ1-7, Aβ1-8, Aβ1-9, Aβ1-10, Aβ1-21, Aβ1-22, Aβ1-23, Aβ1-24, Aβ1-25, Aβ1-26, Aβ1-31, and Aβ1-32.