Purdue News PhotosPurdue News Photos
10/03-- This diagram depicts the process of depositing DNA onto a chip containing lines of a polymer that has the opposite charge as DNA, causing the genetic material to be attracted automatically to the polymer. The researchers then stretched the DNA along the lines of polymer, uncoiling the genetic material so that its coded information might be read clearly. Inset images taken with an atomic force microscope show the lines and the DNA molecules. The work was done by Albena Ivanisevic, an Purdue University assistant professor of biomedical engineering, and physics doctoral student Dorjderem Nyamjav. Results are being published in the journal Advanced Materials. (Purdue University Department of Biomedical Engineering/Albena Ivanisevic)
Click on Diagram to download a (823 K) JPEG photo. Color print, electronic transmission, and Web or ftp download available from Purdue News Service, (765) 494-2096. The story accompanying this diagram can be seen by clicking this link to Ivanisevic.DNA
(Purdue University Department of Biomedical Engineering/Albena Ivanisevic)
For more information about photographs, send e-mail to:
David Umberger
Associate Director
Purdue News Service
umberger@purdue.edu
Photo Index '02 Page.