Abstract: Process for a transplantable body part including extracting soluble materials therefrom, contacting the part with ozone, submerging the part in an inert body of liquid, contacting the part with nanoparticles coated with a growth factor or medicinal, and thereafter applying a pressure between 68,000 and 100,000 pounds per square inch to said body of liquid and part for a sufficient time to destroy microorganisms and affix the nanoparticles to the part. Also sterilized body parts with nonoparticles attached thereto, and body parts made by the foregoing processes.