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Gold Spring-Shaped Coils and Lasers Detect Twisted Molecules

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A novel technique that uses powerful lasers and gold spring-shaped coils 5,000 times thinner than human hair could improve pharmaceutical design, telecommunications and nanorobotics, as it has the ability to detect twisted molecules. Gold spring-shaped coils 5000 times thinner than human hairs offer promising application through the interaction of their helical shape with light. Courtesy of Ventsislav Valev. Molecules twist in certain ways and depending on which way they twist can take on left or right handed forms. This twisting — called chirality — changes the way a...Read full article

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