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Movable Type Wax printing procedure for a 24-zone microfluidic device. (1) Assembling of the device, creating the desired pattern when the magnetic field is off. (2) Using a hot plate to heat the patterned components to molten wax when the magnetic field is on. (3) Print the hot stamp onto the surface of the paper to create microPAD..151 Reproduced with permission from Zhang et al., Anal. Chem. 86(4), 2005–2012 (2014). Copyright 2014 American Chemical Society.
