mentors. after several rounds of purification and processing the protein is reduced to a white powder this powder can then be processed as needed in huge quantities. we produce tons of silk protein in one hundred twenty thousand leader bioreactors it is in fiction anymore it's already reality and. the protein is being tested as a coating on breast implants to improve bio compatibility and decrease the chance of an adverse response. it's probably also well suited as a coating for artificial heart valves. sprayed on as a fin film the silk protein would make the foreign parts almost invisible to the body. and the synthetic protein looks like a fantastic resource for felix engle in his quest to grow new heart muscle cells as