Researchers at Imperial College London and the Houston Methodist Research Institute in Texas say they have made biocompatible porous silicon nanoneedles that can efficiently deliver nucleic acids and nanoparticles into biological cells without damaging them. The needles can deliver these therapeutics into live cells that are normally difficult to transfect and the technique might help damaged organs and nerves to repair themselves. The needles can also act as intracellular pH sensors……
http://nanotechweb.org/cws/article/tech/61108
