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. Author manuscript; available in PMC: 2011 Jul 20.
Published in final edited form as: Sens Actuators B Chem. 2011 Jul 20;155(2):539–544. doi: 10.1016/j.snb.2011.01.003

Figure 2.

Figure 2

Typical time course adsorption and regeneration curve of QCM modified sensor: (1) coated surface in equilibrium with natural water flow (0.4 ml/min); (2) frequency decrease due to flowing Pb++ solution 0.363 mg/L for 20 hrs; (3) regeneration by 100 µl HCl solution 0.1 M.