Tunable Silver Leaching from Polyelectrolyte Multilayers Thin Films

Abstract:

Silver nanoparticles were deposited on glass slides and surgical suture as antibacterial agent. The silver nanoparticles were prepared by chemical reduction with sodium borohydride and using a synthetic polyelectrolyte as capping agent. Poly (4-styrenesulfonic acid-co-maleic acid) sodium salt PSSMA was used to stabilize the silver nanoparticles and provide an anionic surface charge which then allowed the layer-by-layer deposition method with poly (dially dimethyl ammonium chloride) PDADMAC. Various concentration of capping agent were used to prepare the silver nanoparticles which were then deposited on glass slide and surgical suture. The layer-by-layer deposition of the nanoparticles was studied using UV-Vis spectroscopy by monitoring the intensity of the characteristic Plasmon band of the nanoparticles at 400nm. The leaching of the silver nanoparticles in buffered solutions of pH 3,7 and 9 was monitored by recording the decrease in absorbance of silver nanoparticles film as a function of time for each pH solutions and each capping concentrations. Finally, suture material coated with silver nanoparticles were tested for their antibacterial activity against Staphylococcus aureus and results showed that all coated sutures had more than 99% bacterial reduction. So these suture material could be applied to use in medical products for promoted wound healing and decreased bacterial colony leading to relieve inflammation of patient.

• Periodical: Advanced Materials Research (Volume 701)
• Pages: 145-149
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.701.145
• Online since: May 2013
• Authors: Sirorat Wacharanad, Stephan Thierry Dubas
• Keywords: Layer-By-Layer, Silver Nanoparticle, Suture Materials

References

[1] V.R. Manikam, K.Y. Cheong and K.A. Razak: Mater. Sci. Eng. B-Adv. Funct. Solid-State Mater Vol. 176 (2011), pp.187-203

[2] R. Seoudi, A. Shabaka, Z.A. ElSayed and B. Anis: Physica E Vol. 44 (2011), pp.440-447

[3] A.P. Ramos, F.G. Doro, E. Tfouni, R.R. Goncalves and M.E.D. Zaniquelli: Thin Solid Films Vol. 516 (2008), pp.3256-3262

DOI: 10.1016/j.tsf.2007.12.047

[4] L. Limsavarn, V. Sritaveesinsub and S.T. Dubas: Mater. Lett Vol. 61 (2007), pp.3048-3051

[5] S.T. Dubas, S. Wacharanad and P. Potiyaraj: Colloid Surf. A-Physicochem. Eng. Asp Vol. 308 (2011), pp.25-28

[6] S.T. Dubas and J.B. Schlenoff: Abstr. Pap. Am. Chem. S Vol. 219 (2000), p. U532-U532

[7] H. Luo, Q. Shen, F. Ye, Y.F. Cheng, M. Mezgebe and R.J. Qin: Mater. Sci. Eng. C-Mater. Biol. Appl Vol. 32 (2012), pp.2001-2006

[8] El. Badawy, A.M. Luxton, T.P. Silva, R.G. Scheckel, K.G. Suidan and M.T. Tolaymat: Environ. Sci. Technol Vol. 44 (2010), pp.1260-1266

DOI: 10.1021/es902240k

[9] G.B. Sukhorukov, A. Fery, M. Brumen and H. Mohwald: Phys. Chem. Chem. Phys Vol. 6 (2004), pp.4078-4089

DOI: 10.1039/b406006g

[10] D. Lee, R.E. Cohen and M.F. Rubner: Langmuir Vol. 21 (2005), pp.9651-9659

[11] X. Zan and Z. Su: Thin Solid Films Vol. 518 (2010), pp.5478-5482