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. Author manuscript; available in PMC: 2016 Aug 3.
Published in final edited form as: Analyst. 2014 Jun 7;139(11):2754–2763. doi: 10.1039/c4an00215f

Fig. 7.

Fig. 7

Relative frequency shift, Δf/f, of PEPS B in urine at 1 ml min−1 for 30 min followed by PBS washing at a flow rate of 6 ml min−1 after the PEPS was initially blocked with 0, 1, 2 and 3 % BSA.