Research Article

[Retracted] Polymethyl Methacrylate-Based Smart Microfluidic Point-of-Care Testing of Prothrombin Time and International Normalized Ratio through Optical Detection

Figure 2

Fabrication process steps. (a) AutoCAD dimensions. (b) CNC milling machine. (c) Drilling process. (d) Ultrasonic bath. (e) The chip and its cover. (f) Spin coater. (g) Hydraulic press. (h) Fabricated chip.