Hierarchical coassembly of DNA–triptycene hybrid molecular building blocks and zinc protoporphyrin IX

• Rina Kumari,
• Sumit Singh,
• Mohan Monisha,
• Sourav Bhowmick,
• Anindya Roy,
• Neeladri Das and
• Prolay Das

Beilstein J. Nanotechnol. 2016, 7, 697–707, doi:10.3762/bjnano.7.62

• therapy (PDT) applications as well as photocatalytic reactions. Keywords: DNA nanostructure; DNA–organic hybrid; DNA self-assembly; 2,6,14-triptycenetripropiolic acid; zinc protoporphyrin IX; Introduction Hybrid nanomaterials resulting from the covalent conjugation of DNA with organic molecules [1][2][3

• DNA–organic hybrid molecular building blocks, the selection of organic molecules and their inherent directionality have been found to be the most important determinant for the desired system to have improved functional properties and stability [1]. Reportedly, several nanostructures have been

• time we report the construction and subsequent self-assembly of DNA–organic hybrid using triptycene as the organic molecule that allows for the definite disposition of the DNA strands in three dimensions. Triptycene is an interesting molecule having D3h symmetry with Y-shaped structure. It has

DNA–melamine hybrid molecules: from self-assembly to nanostructures

• Rina Kumari,
• Shib Shankar Banerjee,
• Anil K. Bhowmick and
• Prolay Das

Beilstein J. Nanotechnol. 2015, 6, 1432–1438, doi:10.3762/bjnano.6.148

• Technology Kharagpur, Kharagpur 721302, India 10.3762/bjnano.6.148 Abstract Single-stranded DNA–melamine hybrid molecular building blocks were synthesized using a phosphoramidation cross-coupling reaction with a zero linker approach. The self-assembly of the DNA–organic hybrid molecules was achieved by DNA

• an attractive molecular scaffold for the precise positioning of different molecules on the nanoscale [3][4]. DNA has been used to create nanostructures through hybridization-mediated self-assembly for molecular electronics and sensing applications [5][6][7]. DNA–organic hybrid structures have

• structures [8][9][10]. This promising strategy of building DNA nanostructures involving DNA–organic hybrid building blocks has been used to create electrochemical DNA sensors and systems that displayed redox, photophysical, photochemical or catalytic activities [11][12]. While there are definite advantages