Plasma amino acids Plasma amino acid concentrations were measured by ultra-high performance liquid chromatography (ACQUITY H-Class System, Waters Corporation, MA, USA) using pre-column derivatization with 6-aminoquinolyl-N-hydroxysuccinimidyl carbamate (Waters AccQ Tag assay kit, MA, USA) and norvaline (Sigma Aldrich, MO, USA) as internal standard as previously described 11
Murray, [email protected] Tremblay, [email protected] This article was submitted to Cellular and Molecular Mechanisms of Brain-aging, a section of the journal Frontiers in Aging Neuroscience Disclaimer All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers
Better emotional stability
Objective biomarkers (telomere length, immune markers, melatonin levels) require specialized testing and may not show clear changes