PMID- 27212193 OWN - NLM STAT- MEDLINE DCOM- 20171019 LR - 20201209 IS - 1460-2202 (Electronic) IS - 0271-3683 (Linking) VI - 41 IP - 10 DP - 2016 Oct TI - Antibacterial Activity of Silver Nanoparticle-Loaded Soft Contact Lens Materials: The Effect of Monomer Composition. PG - 1286-1293 AB - PURPOSE: In the present work, the effect of monomer composition on silver nanoparticles' (SNPs) binding capacity of hydrogels was investigated and their antibacterial efficacy was evaluated. MATERIALS AND METHODS: Three series of poly-hydroxyethyl methacrylate (HEMA) hydrogels were prepared using methacrylic acid (MAA), methacrylamide (MAAM), and 4-vinylpyridine (4VP) as co-monomers, and ethylene glycol dimethacrylate (EGDMA) as cross-linker. SNPs binding capacity of hydrogels was evaluated in different concentrations (2, 10, and 20 ppm). In vitro antibacterial activity of SNP-loaded hydrogels was studied against Pseudomonas aeruginosa (P. aeruginosa) isolated from patients' eyes. Then, inhibitory effect of hydrogels in biofilm formation was evaluated in the presence of Staphylococcus epidermidis (S. epidermidis) (DSMZ 3270). RESULTS: Our data indicated that poly(HEMA-co-MAA-co-EGDMA) had superior binding affinity for SNPs in comparison with other hydrogels. All SNP-loaded hydrogels demonstrated excellent antimicrobial effects at all times against P. aeruginosa and S. epidermidis after soaking in 10 and 20 ppm SNP suspensions. Scanning electron microscope (SEM) images revealed excellent inhibitory effect of SNPs against biofilm formation on the surface of the hydrogels. CONCLUSIONS: This study indicated the effect of monomer compositions in SNP loading capacity of poly(HEMA) hydrogels and antibacterial efficacy of SNP-loaded hydrogels against P. aeruginosa and S. epidermidis, but further in vivo evaluation is necessary. FAU - Shayani Rad, Maryam AU - Shayani Rad M AD - a Student Research Committee (SRC ), Mashhad University of Medical Sciences , Mashhad , Iran. AD - b Targeted Drug Delivery Research Center, School of Pharmacy , Mashhad University of Medical Sciences , Mashhad , Iran. FAU - Khameneh, Bahman AU - Khameneh B AD - c Department of Pharmaceutical Control , Mashhad University of Medical Sciences , Mashhad , Iran. FAU - Sabeti, Zahra AU - Sabeti Z AD - d Biotechnology Research Center, School of Pharmacy , Mashhad University of Medical Sciences , Mashhad , Iran. FAU - Mohajeri, Seyed Ahmad AU - Mohajeri SA AD - b Targeted Drug Delivery Research Center, School of Pharmacy , Mashhad University of Medical Sciences , Mashhad , Iran. FAU - Fazly Bazzaz, Bibi Sedigheh AU - Fazly Bazzaz BS AD - d Biotechnology Research Center, School of Pharmacy , Mashhad University of Medical Sciences , Mashhad , Iran. LA - eng PT - Journal Article DEP - 20160521 PL - England TA - Curr Eye Res JT - Current eye research JID - 8104312 RN - 0 (Anti-Bacterial Agents) RN - 3M4G523W1G (Silver) SB - IM MH - Anti-Bacterial Agents/*pharmacology MH - *Contact Lenses, Hydrophilic MH - *Drug Delivery Systems MH - Drug Liberation MH - Humans MH - *Nanoparticles MH - Pseudomonas aeruginosa/*drug effects MH - Silver/*pharmacology MH - Staphylococcus epidermidis/*drug effects OTO - NOTNLM OT - Antimicrobial effect OT - biofilm OT - hydrogels OT - poly-hydroxyethyl methacrylate OT - silver nanoparticles EDAT- 2016/05/24 06:00 MHDA- 2017/10/20 06:00 CRDT- 2016/05/24 06:00 PHST- 2016/05/24 06:00 [pubmed] PHST- 2017/10/20 06:00 [medline] PHST- 2016/05/24 06:00 [entrez] AID - 10.3109/02713683.2015.1123726 [doi] PST - ppublish SO - Curr Eye Res. 2016 Oct;41(10):1286-1293. doi: 10.3109/02713683.2015.1123726. Epub 2016 May 21.