Fig. 1From: RETRACTED ARTICLE: Fabrication of a microfluidic device for studying the in situ drug-loading/release behavior of graphene oxide-encapsulated hydrogel beadsFabrication process. a Glass slide; (b) glass slide covered with a rectangular acrylic frame, made using a laser cutting machine; (c) acrylic frame with two drilled inlet and outlet holes with dimensions of 500 and 300 μm, respectively; (d) microchannel preparation through formation of a PDMS slab; (e) schematic representation using CATIA software; (f) original photograph of the microchannelBack to article page