Synthesis and characterization of deoxyribonucleic acid (DNA) functionalized Multi-Walled Carbon Nanotube (MWCNT) doped Poly-Vinyl alcohol (PVA) nanocomposite film

ABSTRACT

Nanoparticles, carbon nanotubes and polymers are widely used nowadays to improve biosensing phenomenon. However, studies considering impact of their combination on biosensor sensitivity are rarely reported. Present work involves synthesis of thin films using different combinations and comparisons of their properties. The metal (silver nanoparticles)-polymer (PVA), MWCNT-polymer and Metal-MWCNT-polymer films were analyzed using optical, UV-visible and DMA studies. Prior Functionalization of MWCNTs to attach DNA was confirmed by FTIR and TEM. Metal-MWCNT-polymer film proved to show best mechanical properties and is expected to be useful in artificial tissues or sensing biological responses without electrodes, though, it requires profound interdisciplinary efforts.

GRAPHICAL ABSTRACT

KEYWORDS:

• Biosensors
• metal-MWCNT-Polymer thin films
• dynamic Mechanical Analysis
• functionalization
• polyvinyl Alcohol
• carbon nanotubes

Data Availability

All the data supporting the results are shown in the paper and can be applied from the corresponding author.

Declaration of interest

The authors declare that there are no competing interests regarding the publication of this paper.