In Vitro Biological Evaluation of an Alginate-Based Hydrogel Loaded with Rifampicin for Wound Care

被引:2
作者
Bibire, Tudor [1 ,2 ]
Danila, Radu [2 ,3 ]
Yilmaz, Catalina Natalia [4 ]
Verestiuc, Liliana [5 ]
Nacu, Isabella [5 ,6 ]
Ursu, Ramona Gabriela [7 ]
Ghiciuc, Cristina Mihaela [8 ,9 ]
机构
[1] Grigore T Popa Univ Med & Pharm, Doctoral Sch, 16 Univ St, Iasi 700116, Romania
[2] St Spiridon Cty Clin Emergency Hosp, 1 Independentei Blvd, Iasi 700111, Romania
[3] Grigore T Popa Univ Med & Pharm, Fac Med, Dept Surg, 16 Univ St, Iasi 700116, Romania
[4] Dokuz Eylul Univ, Fac Sci, Dept Chem, Biochem Div, Kultur Mah Cumhuriyet Bulv 144 Alsancak, TR-35210 Izmir, Turkiye
[5] Grigore T Popa Univ Med & Pharm, Fac Med Bioengn, Dept Biomed Sci, 16 Univ St, Iasi 700116, Romania
[6] Petru Poni Inst Macromol Chem, 41-A Grigore Ghica Voda Alley, Iasi 700487, Romania
[7] Grigore T Popa Univ Med & Pharm, Fac Med, Dept Microbiol, 16 Univ St, Iasi 700116, Romania
[8] Grigore T Popa Univ Med & Pharm, Fac Med Clin Pharmacol & Algeziol, Dept Pharmacol, 16 Univ St, Iasi 700116, Romania
[9] St Maria Clin Emergency Hosp Children, 62 Vasile Lupu St, Iasi 700309, Romania
基金
英国科研创新办公室;
关键词
wound care; hydrogel; antimicrobial; bioadhesion; wound healing; POLYMERIZATION;
D O I
10.3390/ph17070943
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
We report a biocompatible hydrogel dressing based on sodium alginate-grafted poly(N-vinylcaprolactam) prepared by encapsulation of Rifampicin as an antimicrobial drug and stabilizing the matrix through the repeated freeze-thawing method. The hydrogel structure and polymer-drug compatibility were confirmed by FTIR, and a series of hydrogen-bond-based interactions between alginate and Rifampicin were identified. A concentration of 0.69% Rifampicin was found in the polymeric matrix using HPLC analysis and spectrophotometric UV-Vis methods. The hydrogel's morphology was evaluated by scanning electron microscopy, and various sizes and shapes of pores, ranging from almost spherical geometries to irregular ones, with a smooth surface of the pore walls and high interconnectivity in the presence of the drug, were identified. The hydrogels are bioadhesive, and the adhesion strength increased after Rifampicin was encapsulated into the polymeric matrix, which suggests that these compositions are suitable for wound dressings. Antimicrobial activity against S. aureus and MRSA, with an increased effect in the presence of the drug, was also found in the newly prepared hydrogels. In vitro biological evaluation demonstrated the cytocompatibility of the hydrogels and their ability to stimulate cell multiplication and mutual cell communication. The in vitro scratch assay demonstrated the drug-loaded alginate-grafted poly(N-vinylcaprolactam) hydrogel's ability to stimulate cell migration and wound closure. All of these results suggest that the prepared hydrogels can be used as antimicrobial materials for wound healing and care applications.
引用
收藏
页数:19
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