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Crystallization-Induced Emission Enhancement of Nanoclusters and One-Step Conversion of "Nanoclusters to Nanoparticles" as the Basis for Intracellular Logic Operations.
Gayen, Chirantan; Goswami, Upashi; Gogoi, Kasturi; Basu, Srestha; Paul, Anumita.
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  • Gayen C; Chirantan Gayen, Srestha Basu, Prof. Anumita Paul Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.
  • Goswami U; Upashi Giswami and Kasturi Gogoi Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.
  • Gogoi K; Upashi Giswami and Kasturi Gogoi Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.
  • Basu S; Chirantan Gayen, Srestha Basu, Prof. Anumita Paul Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.
  • Paul A; Chirantan Gayen, Srestha Basu, Prof. Anumita Paul Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.
Chemphyschem ; 20(7): 953-958, 2019 04 02.
Article en En | MEDLINE | ID: mdl-30801893
Herein, we report the construction of intracellular logic operations using luminescent histidine stabilized gold nanoclusters (His Au NCs). The luminescence intensity of His Au NCs was found to be significantly enhanced following interaction with zinc ions, owing to "Crystallization induced emission enhancement". Further, the luminescence intensity of His Au NCs was found to be effectively quenched in presence of sulphide ions, owing to transformation of emissive His Au NCs to non-emissive gold nanoparticles. Thus, the collective and individual effects of zinc ions and sulphide ions causing significant variation in the luminescence intensity of His Au NCs, were used as input parameters for construction of intracellular logic operations such as Tri state buffer, "on-off" switch and INHIBIT gate within mammalian cells.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Chemphyschem Asunto de la revista: BIOFISICA / QUIMICA Año: 2019 Tipo del documento: Article País de afiliación: India Pais de publicación: Alemania
Texto completo
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Imprimir
XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Chemphyschem Asunto de la revista: BIOFISICA / QUIMICA Año: 2019 Tipo del documento: Article País de afiliación: India Pais de publicación: Alemania