Physics doctoral student Dorjderem Nyamjav, left, and Albena Ivanisevic, an assistant professor of biomedical engineering at Purdue University, review an image taken with an atomic force microscope. The researchers have developed a method for precisely placing strands of DNA on a silicon chip and then stretching out the strands so that their encoded information might be clearly read, two steps critical to possibly using DNA for future electronic devices and computers. (Purdue News Service photo/David Umberger
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)
Researchers at Purdue University are making it easier to read life’s genetic blueprint.
They have precisely placed strands of DNA on a silicon chip and then stretched out the strands so that their encoded information might be read more clearly, two steps critical to possibly using DNA for future electronic devices and computers.
Findings about the research are detailed in a paper posted online this month and will appear in an upcoming issue of the journal Advanced Materials. The paper was written by Albena Ivanisevic, an assistant professor of biomedical engineering at Purdue, and physics graduate student Dorjderem Nyamjav.
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