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DNA as a template for synthesis of fluorescent gold nanoclusters
Affiliation:1. A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 119334 Moscow, Russian Federation;2. D. I. Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russian Federation;3. M. M. Shemyakin–Yu. A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russian Federation;4. Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russian Federation;1. A. G. Merzhanov Institute of Structural Macrokinetics and Materials Science, Russian Academy of Sciences, 142432 Chernogolovka, Moscow Region, Russian Federation;2. N. N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, 119991 Moscow, Russian Federation;1. Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russian Federation;2. Skolkovo Institute of Science and Technology, 121205 Moscow, Russian Federation;1. Department of Chemistry and Technology, Tver State University, 170100 Tver, Russian Federation;2. All-Russian Scientific Research Institute for Physical-Engineering and Radiotechnical Metrology, 141570 Mendeleevo, Moscow Region, Russian Federation;3. V. N. Orekhovich Institute of Biomedical Chemistry, 119121 Moscow, Russian Federation;1. Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russian Federation;2. N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, 119334 Moscow, Russian Federation;3. Photochemistry Centre, FRC ‘Crystallography and Photonics’, Russian Academy of Sciences, 119421 Moscow, Russian Federation;1. Institute of Macromolecular Compounds, Russian Academy of Sciences, 199004 St. Petersburg, Russian Federation;2. Saint-Petersburg State University of Industrial Technologies and Design, 191186 St. Petersburg, Russian Federation;3. St. Petersburg State Institute of Technology (Technical University), 190013 St. Petersburg, Russian Federation;4. Institute of Earth Sciences, St. Petersburg State University, 199034 St. Petersburg, Russian Federation
Abstract:Water-soluble blue-emitting gold nanoclusters have been synthesized using dsDNA as a template without any additional reducing agent. The features of the formed nanoclusters have been revealed by fluorescence and electronic absorption spectroscopy as well as transmission electron microscopy. The prepared gold nanoclusters have been highly stable at physiological pH without any further modification.
Keywords:gold  nanoparticles  nanoclusters  DNA  fluorescence
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