Antibacterial and Energy Gap Correlation of PVA/SA Biofilms Doped With Selenium Nanoparticles | Zendy

A. M. Abdelghany | Zendy; D. M. Ayaad | Zendy; Sally Mahmoud | Zendy

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Antibacterial and Energy Gap Correlation of PVA/SA Biofilms Doped With Selenium Nanoparticles

Author(s) -

A. M. Abdelghany,

D. M. Ayaad,

Sally Mahmoud

Publication year - 2020

Publication title -

biointerface research in applied chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.216

H-Index - 11

ISSN - 2069-5837

DOI - 10.33263/briac105.62366244

Subject(s) - polyvinyl alcohol , fourier transform infrared spectroscopy , selenium , materials science , doping , mass fraction , nanoparticle , band gap , spectroscopy , nuclear chemistry , analytical chemistry (journal) , chemical engineering , chemistry , nanotechnology , optoelectronics , organic chemistry , composite material , physics , quantum mechanics , engineering , metallurgy

Polymeric thin biofilms of polyvinyl alcohol (PVA)/sodium alginate (SA) doped with a different mass fraction of synthesized selenium nanoparticles were successfully synthesized using traditional solution casting routine. Obtained samples were studied for their structural variations using Fourier transform infrared (FT-IR), and ultravilot/visible (UV/Vis.) spectroscopy. FT-IR spectral data reveals the appearance of spectral bands characterized the functional groups of both PVA and SA structural units in their positions. UV/vis. spectral data was employed to calculate the optical energy gap of prepared samples. Antibacterial tests against pathogenic bacteria were performed and correlated to the optical energy gap.

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