Che-Jung Chang

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Polygonum cuspidatum is widely used as a medicinal herb in Asia. In this study, we examined the ethyl acetate subfraction F3 obtained from P. cuspidatum root and its major component, emodin, for their capacity to inhibit the Epstein-Barr virus (EBV) lytic cycle. The cell viability was determined by the MTT(More)
Small sample forecasting problem is an important issue in various fields. The early stage of manufacturing system is a positive example about this issue. Manufacturers need sufficient management knowledge to lower overall production cost, but it is a hard task due to the obtained samples is limited. This study is thus to develop a modeling procedure to(More)
We investigate cavity-modulated resonant tunneling through a silver film with periodic grooves on both surfaces. A strip cavity embedded in the film affects tunneling frequencies via a coupling mode and waveguide mode. In the coupling mode, both the resonant tunneling through the gap between the groove and the cavity and the cavity itself form an entire(More)