Chromatographic fingerprinting is a key technique for TCM (Traditional Chinese Medicine) modernization. Thin Layer Chromatography (TLC) has been widely used for the fingerprint study of medicinal plants owing to its some obvious advantages. However, inadequate reproducibility and relatively low resolution are two major factors hinder the widespread use of TLC in the analysis or quality control of herbal materials on a routine basis. In this thesis, a simple and easily controlling microemulsion ...