“Noodle-like” mesoporous silica with a diameter of about 180 nm and a length of ca. 10 μm was prepared through sol-gel process by using poly(sodium 4-styrene
Huperzine W, a novel 14 carbons Lycopodium alkaloid, was isolated from the whole plant of Huperzia serrata, and its stucture was determined by spectroscopic ana