Â© 2015 American City Business Journals. All rights reserved. Use of this Site constitutes acceptance of our User Agreement (updated 12/23/13) and Privacy Policy (updated 12/23/13). Your California Privacy Rights.
Ethanol precipitation is a method used to purify and/or concentrate RNA, DNA and polysaccharides such as pectin and xyloglucan from aqueous solutions by adding ethanol as an antisolvent.Contents.thanol precipitation is a method used to purify and/or concentrate RNA, DNA and polysaccharides such as pectin and xyloglucan from aqueous solutions by adding ethanol as an antisolvent. Contents.
Quick Answer. Ethanol is added to gasoline because it is a renewable source of energy and helps to decrease carbon emissions and reduce America's energy dependence on other countries. It also acts as an oxygenating agent, which reduces carbon monoxide and soot emissions produced when fossil fuels are burned.