Journal
CHEMICAL COMMUNICATIONS
Volume 47, Issue 30, Pages 8557-8559Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cc12377g
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Funding
- National Science Foundation for Distinguished Young Scholars of China [20825102]
- National Natural Science Foundation of China [20771072]
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DNA-functionalized gold nanoparticles are shown to act as a light-scattering switch. Ag+ ion turns on the switch through the DNA-Au NPs conjugates based on the formation of cytosine-Ag+-cytosine base pairs, whereas cysteine turns off the light-scattering signal because it competitively binds to Ag+
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