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Dynorphin A (Dyn A) is an endogenous opioid peptide found in blood and central nervous system tissue at very low concentrations. Elevated levels of Dyn A due to different disease states, for example neurodegenerative disease, have been linked to toxic nonopioid activity. CE is a powerful technique that can achieve high‐efficiency separations of charged analytes. However, CE has limited use for the...
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