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Selectivity of the biosensor (GCE/PPI/QDs/ChOx) in the presence of 5 mM cholesterol and interferents—10 mM uric acid (UA), 10 mM ascorbic acid (AA) and 10 mM glucose in PBS (pH 7.2) solution (A). Stability studies of the biosensor at day 1 and day 30 in 5 mM cholesterol solution at pH 7.2 (B).
