Electrospun ZnO Nanoparticles Doped Core-Sheath Nanofibers: Characterization and Antimicrobial Properties

被引:38
作者
Shekh, Mehdihasan I. [1 ,2 ]
Patel, Kaushal P. [1 ]
Patel, Rajnikant M. [1 ]
机构
[1] Charotar Univ Sci & Technol, PD Patel Inst Appl Sci, Dept Adv Organ Chem, Changa 388421, Gujarat, India
[2] Sardar Patel Univ, BN Patel Inst Paramed & Sci, Div Sci, Anand 388001, Gujarat, India
关键词
Coaxial electrospinning; ZnO nanoparticle; Composite nanofiber; Thermal characteristic; Disk diffusion method; SHELL NANOFIBERS; ANTIBACTERIAL ACTIVITY; COMPOSITE NANOFIBERS; POLYMER NANOFIBERS; WATER SANITIZER; MEMBRANES; FIBERS; MATS; ITRACONAZOLE; CHEMOTHERAPY;
D O I
10.1007/s10924-018-1310-8
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Coaxial electrospinning technique was used to fabricate the core-sheath composite nanofibers of ZnO nanoparticle (Nps) (10%, 20% w/w) doped polymethyl methacrylate (PMMA) (as sheath) and polyvinyl alcohol (PVA) (as core). Fourier transform infrared (FT-IR) spectra were confirmed the weak forces arise between ZnO Nps, PMMA and PVA matrixes. The hexagonal (wurtzite) structure of ZnO Nps with similar to 30.8nm of diameter was confirmed from the X-ray diffraction pattern. The morphology and microstructure of core-sheath composite nanofibers were confirmed from the scanning electron microscopy (SEM) and transmission electron microscopy (TEM). It is clearly seen from the TEM images that the PMMA encapsulate the PVA core. Core-sheath composite nanofibers were assessed against Escherichia coli (E. coli) and Bacillus subtilis (B. subtilis) bacteria through quantitative, disk diffusion and viable cell count methods. It was found that ZnO Nps doped core-sheath nanofibers were effectively inhibit the growth of gram positive bacteria, B. subtilis.
引用
收藏
页码:4376 / 4387
页数:12
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