Fig. 4. Microfluidic-based optical methods for detecting biomarkers of CVDs.
a Microfluidic chip for immunofluorescence. b Microfluidic system for chemiluminescence immunoassay. c Illustration of SERS analysis for miR-29a in the paper-based microfluidic chip. a Reproduced with permission29. Copyright 2017, Elsevier. b Reproduced with permission31. Copyright 2017, Elsevier. c Reproduced with permission33. Copyright 2019, The Royal Society of Chemistry.