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PMMA microfluidic-CCD schematic. BR: buffer reservoir; WR: waste reservoir; SR: sample reservoir; SW: sample waste; CCD: contactless conductivity detector. Separation channels dimension: 30 μm in top width, 100 μm in bottom width, 30 μm in depth, 44 mm in length and 43 mm in effective length. Electrodes dimension: 25 μm Pt wire working electrodes.
