Most peptide vials get used more than once, so the liquid inside has to stay clean for days or weeks
Rhea EM, Babin A, Thomas P, Omer M, Weaver R, Hansen K, et al
Compliance with ethical standards Conflict of interest The authors declare no competing interests
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No other valence states of selenium were detected in the Se 3d spectrum, demonstrating that the selenium precursor (i.e., SeO 3 2 ) was completely converted to elemental selenium by in situ chemical reduction