Lulu Qian

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Researchers build largest biochemical circuit next
out of small synthetic DNA molecules

ScienceDaily (June 3, 2011) — In many ways, life is like a computer. An organism's genome is the software that tells the cellular and molecular machinery -- the hardware -- what to do. But instead of electronic circuitry, life relies on biochemical circuitry -- complex networks of reactions and pathways that enable organisms to function. Now, researchers at the California Institute of Technology (Caltech) have built the most complex biochemical circuit ever created from scratch, made with DNA-based devices in a test tube that are analogous to the electronic transistors on a computer chip. More…

BBC News: DNA computer 'calculates square roots'
Los Angeles Times: Research marks a leap forward for DNA-based computers
Nature News: A molecular calculator
Discovery News: DNA computer gets scaled up
Popular Science: Largest DNA-based computer ever built can calculate square roots
Popular Mechanics: The strands of DNA that can calculate square roots
Ars Technica: DNA logic gates calculate square root using 130 different molecules