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Synthesis and Characterization of Hydrogels with Ag Nanoparticles

Published online by Cambridge University Press:  02 January 2019

K. G. H Martínez-Reyna,
M. G. García-Valdivieso and
H. R. Navarro-Contreras
K. G. H Martínez-Reyna*
Affiliation:
Laboratorio Nacional CIACYT-Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550, Col. Lomas 2a. Sección, C.P 78210, San Luis Potosí, S.L.P., MÉXICO
M. G. García-Valdivieso
Affiliation:
Laboratorio Nacional CIACYT-Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550, Col. Lomas 2a. Sección, C.P 78210, San Luis Potosí, S.L.P., MÉXICO
H. R. Navarro-Contreras
Affiliation:
Laboratorio Nacional CIACYT-Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550, Col. Lomas 2a. Sección, C.P 78210, San Luis Potosí, S.L.P., MÉXICO
*
*(Email: kghmr@hotmail.com)
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Abstract

Hydrogels made of sodium 2-acrylamide-2-methypropanesulfonate were synthesized with the goal of creating a polymer for tissue engineering applications. The hydrogels were doped with silver nanoparticles to create hydrogel/Ag with possible antibacterial properties. We varied the weight/volume percentage of Laponite from 3 to 10 w/v% to alter the rheological properties of the hydrogels. Raman spectroscopy was used to study the progress of the chemical reaction at different polymerization times under ultraviolet radiation. By comparing the changes in the intensities of the Raman bands corresponding to C=C and C–C bonds with reaction time, we found that the optimal polymerization time to obtain chains of poly(2-acrylamide-2-methylpropanesulfonate) was 3 to 4 h. Characterization of the hydrogels with scanning electron microscopy indicated pore sizes of 1 to 6 µm.

Keywords

polymernanostructureRaman spectroscopy

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Type
Articles
Information
MRS Advances , Volume 3 , Issue 63: International Materials Research Congress XXVII , 2018, pp. 3799 - 3804
Copyright
Copyright © Materials Research Society 2018 

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References

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