Uricase from Candida utilis was isolated by bi-water phase extraction, then through the separation procedures including DEAE-Sepharose FF, Phenyl Sepharose CL-4B and Xanthine-agarose chromatographies, uricase was purified to electrophoretic homogeneity from liquid cultured cells of the Candida utilis.

Improvement of resistance of hybrid rice to bacterial blight by utilization of Xa21 gene;

Design of CANopen Communication Modules Based on CANopenIA-XA;

"XA de" in Changsha dialect;