Di(4-bromophenyl)ketone and various aromatic diamines as the monomers,a series of novel poly(imino ketone)s (PIKs)have been synthesized via palladium-catalyzed
<正>It is important to know the rate of intra-molecular contact formation in proteins in order to understand how proteins fold clearly.Here we investigate the r
<正>Single crystals of head-to-tail poly(3-hexylthiophene)s have been grown through the method of isothermal solution crystallization. Electron diffraction in c