1Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Semarang, Semarang, Indonesia
2Department of Chemistry Education, Faculty of Mathematics and Natural Sciences, Universitas Negeri Semarang, Semarang, Indonesia
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@article{JKSA67541, author = {Ayu Safirah and Atik Rismawati and Mohammad Alauhdin and Sri Wardani}, title = {Synthesis and Characterization of Silver Nanoparticles-Chitosan Beads as Antibacterial Agents}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {28}, number = {1}, year = {2025}, keywords = {beads; characterization; chitosan; silver nanoparticles; synthesis}, abstract = {One of the key innovations in silver nanoparticle (AgNPs) material development is the formation of AgNPs/chitosan beads, which exhibit enhanced properties and broader functionality compared to chitosan or AgNPs alone. In this study, AgNPs/chitosan beads were synthesized using glutaraldehyde as a binding agent and sodium citrate as a reducing agent—both of which are safe and non-toxic, enabling broader applications. The synthesized beads were characterized to assess their chemical and physical properties, including functional groups, morphology, and crystallinity. Characterization results confirmed the successful cross-linking of chitosan by glutaraldehyde, enhancing the material’s physical and chemical strength. The chitosan beads appeared white, while AgNPs/chitosan beads were brownish, with an average bead size of 1.99 mm. X-ray diffraction analysis revealed that the silver in the chitosan beads exhibited a face-centered cubic crystal structure. Antibacterial testing demonstrated that AgNPs/chitosan beads exhibited superior antibacterial activity compared to chitosan beads, attributed to the release of Ag + ions from the matrix.}, issn = {2597-9914}, pages = {47--52} doi = {10.14710/jksa.28.1.47-52}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/67541} }
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