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Since the production of glutathione declines with age, you need to supplement it with additional sources
After expression of roGFP2 for 16 h at 20 C, as aforementioned, cells were harvested, washed in HEPES buffer (40 mM, pH 7.4) and adjusted to an OD 600 of 1.0 in HEPES buffer containing either 1 mM Aldrithriol-2 (Sigma-Aldrich, Darmstadt, Germany, CAS-2127-03-9, AT-2) (oxidation control), 10 mM Dithiothreitol (Sigma-Aldrich, Darmstadt, Germany, CAS-3483-12-3, DTT) (reduction control), or buffer
And for further information on how our top copper peptide serum picks work, we delve into each formulas star ingredients in the corresponding products dedicated section
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