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Nature: "Green" Chemistry, Natural Antioxidants, and a DNA-Fueled Machine

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Sabine Heinhorst and Gordon Cannon

Department of Chemistry and Biochemistry, University of Southern Mississippi, Hattiesburg, MS 39406-5043

J. Chem. Educ., 2001, 78 (2), p 150

DOI: 10.1021/ed078p150

Publication Date (Web): February 1, 2001

Abstract

This report from Nature summarizes two breakthroughs in "green" chemistry: A rechargeable Mg battery that might one day become an environmentally benign replacement for our current car batteries, and new polymers that greatly improve the solvent properties of supercritical CO₂. Another article highlighted in this column confirms that fresh apples contain oxygen radical scavengers that are more potent than pure vitamin C. Finally, DNA-fueled molecular tweezers are featured that take advantage of the specific interactions between complementary strands of DNA to bring about opening and closing of this nano-device.