Ammonia borane(AB)as an outstanding hydrogen-storage material has been gained a lot of attentions.It can be regenerated from polyborazylene(PB)but the uncontrollable dehydro-coupling in the polymeriza
The smoothened receptor(Smo)plays a key transducer in Hedgehog(Hh)signalling pathway and it has been regarded as an efficacious therapeutic target in basal cell carcinoma(BCC)and medulloblastoma(MB)[1