Journal of Colloid and Interface Science 461 (2016) 45–49 Contents lists available at ScienceDirect Journal of Colloid and Interface Science journal homepage: www.elsevier.com/locate/jcis Short Communication a a a a b,⇑ a,⇑ Seema Singh , Rina Kumari , Anirban Chakraborty , Sahid Hussain , Manoj K. Singh , Prolay Das Department of Chemistry, Indian Institute of Technology Patna, Patna 800013, Bihar, India Atomic and Molecular Physics Division, Bhabha Atomic Research Centre, Mumbai 400085, India graphical a bstract article i nfo abstract Article history: Formation of QD-array in solution phase guided by the self-assembly with DNA–melamine hybrid mole- Received 1 July 2015 cules is reported here. Melamine was conjugated with ssDNA using phosphoramidate chemistry. Revised 24 August 2015 Aqueous soluble ZnSe/ZnS QDs conjugated to complementary ssDNA was self-assembled with the Accepted 27 August 2015 DNA–melamine hybrid molecules by DNA-hybridization. The self-assembly leads to the precise position- Available online 28 August 2015 ing of the QDs in QDs array where the inter QD distance is being maintained by the DNA sequence length. The QD array was characterized by gel electrophoresis, UV–visible and ﬂuorescence spectrophotometry Keywords: and circular dichroism. Direct visualization of the DNA–melamine hybrid molecule mediated QD array Quantum dot was made
Journal of Colloid and Interface Science – Elsevier
Published: Jan 1, 2016
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