A Dipstick that Could Transform Disease Diagnosis (image) PLOS Share Print E-Mail Caption Scientists have developed a cellulose dipstick that can purify DNA and RNA from a wide range of plant, animal and microbe samples within less than 30 seconds. Credit Michael Mason Usage Restrictions CC-BY. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.