Point of Care Testing (POCT) of Cholesterol in Blood Serum via Moving Reaction Boundary Electrophoresis Titration Chip Khan Muhammad Idrees, Qiang Zhang, Youli Tian, Saud Shah, Yiren Cao, Jicun Ren, Weiwen Liu and Chengxi Cao Abstract Cholesterol (CHO) in human blood is one of the most frequently and crucially quantified substances in diagnostic laboratories. However, the visual and portable point of care testing (POCT) methods have been rarely developed for the bioassay of CHO in blood samples.