PNA is very useful material for various area in research.

For example, over 2,000 papers on PNA were published on in the fields of chemistry, molecular biology, antisense/antisene therapy, molecular diagnostics, biosensors, and nanotechnology.
Over 1900 publications using PNA were released from 2001 to November 2007. 

Please find the pdf file as attahced and we hope this will be helpful to you.