抗菌和杀菌剂(ZnO-Ag)的银锌复合材料和丁香油对铜绿假单胞菌

Y. A. Prasetya, K. Nisyak, A. Hisbiyah
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引用次数: 0

摘要

铜绿假单胞菌是一种革兰氏阴性细菌,经常引起医院感染,因为它能够产生生物膜,因此它对各种抗生素具有耐药性。本研究旨在研究丁香油氧化锌-银纳米复合材料(ZnO-Ag)对铜绿假单胞菌的抗氧化活性。采用绿色一锅合成技术,利用超声波和微波仪器制备了ZnO-Ag纳米复合材料。采用x射线衍射(XRD)和扫描电子显微镜-能量色散x射线(SEM-EDX)对合成的纳米复合材料进行了形貌和元素表征。采用孔扩散法和微孔板法分别进行了抗菌活性和抗菌膜试验。所得ZnO-Ag纳米复合材料尺寸为19.66 nm,其中Ag(47%)呈圆形,Zn(35%)和O(18%)呈纤维状。ZnO-Ag对铜绿假单胞菌的抑制带为14.9 mm,抑制细菌生物膜附着48 h,抑制率为76.59%。铜绿假单胞菌梅氏杆菌革兰氏阴性杨氏阴性孟氏杆菌感染细菌孟氏杆菌感染细菌孟氏杆菌感染细菌孟氏杆菌感染细菌孟氏菌生物膜感染细菌耐抗生素。纳米复合材料的制备及其对铜绿假单胞菌的抑制作用。纳米复合ZnO-Ag的合成,邓安技术,绿色一锅合成,蒙古纳坎仪器,丹格隆邦微型。纳米复合材料的x射线衍射(XRD)、扫描电子显微镜-能量色散x射线(SEM-EDX)、晶体化颗粒等。Uji抗细菌活性膜双抗微生物微孔板。Hasil纳米复合材料ZnO-Ag yang terbentuk memiliki ukuran sebesar 19,66 nm, dimana Ag (47%) berbentuk bulat sedangkan Zn (35%) dan O (18%) berbentuk纤维。纳米复合材料ZnO-Ag memunculkan zona hambat 14,9 mm terhadap铜绿假单胞菌(P. aeruginosa) danmampumenegah penempelan生物膜yang dihasilkan bakteri terseah selama 48 jam dengan penghambatan 76,59%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
AKTIVITAS ANTIBAKTERI DAN ANTIBIOFILM NANOKOMPOSIT SENG OKSIDA-PERAK (ZnO-Ag) DENGAN MINYAK CENGKEH TERHADAP Pseudomonas aeruginosa
Pseudomonas aeruginosa is a Gram-negative bacterium that often causes nosocomial infection because of its ability to produce biofilms so that it is resistant to various antibiotics. This research aims to determine the activity of zinc oxide-silver nanocomposites (ZnO-Ag) with clove oil against P. aerugoinosa bacteria. ZnO-Ag nanocomposites were made using the Green One Pot Synthesis technique using a sonicator and microwave instruments. The nanocomposites formed were characterized by X-Ray Diffraction (XRD) to determine crystallinity and particle size and Scanning Electron Microscopy-Energy Dispersive X-Ray (SEM-EDX) to determine morphology and elements. The antibacterial activity and antibiofilm tests were carried out using the well diffusion and the microplate techniques, respectively. The resulted ZnO-Ag nanocomposite formed had a size of 19.66 nm, where Ag (47%) was of round shape, while Zn (35%) and O (18%) were fibrous. The ZnO-Ag had an inhibition zone of 14.9 mm against P. aeruginosa and was able to prevent the attachment of the bacterial biofilm for 48 hours with 76,59% inhibition percentage. Pseudomonas aeruginosa merupakan bakteri Gram negatif yang sering menyebabkan infeksi noskomial karena kemampuannya menghasilkan biofilm sehingga resisten terhadap berbagai antibiotik. Penelitian ini bertujuan untuk mengetahui aktivitas nanokomposit seng oksida-perak (ZnO-Ag) dengan minyak cengkeh terhadap P. aeruginosa. Nanokomposit ZnO-Ag dibuat dengan teknik Green One Pot Synthesis menggunakan instrumen sonikator dan gelombang mikro. Nanokomposit yang terbentuk dikarakterisasi menggunakan X-Ray Diffraction (XRD) untuk mengetahui kristalinitas dan ukuran partikel, Scanning Electron Microscopy-Energy Dispersive X-Ray (SEM-EDX) untuk mengetahui morfologi dan unsur yang terbentuk. Uji aktivitas antibakteri dilakukan dengan metode difusi sumuran dan uji antibiofilm dilakukan dengan teknik microplate. Hasil nanokomposit ZnO-Ag yang terbentuk memiliki ukuran sebesar 19,66 nm, dimana Ag (47%) berbentuk bulat sedangkan Zn (35%) dan O (18%) berbentuk fiber. Nanokomposit ZnO-Ag memunculkan zona hambat 14,9 mm terhadap P. aeruginosa dan mampu mencegah penempelan biofilm yang dihasilkan bakteri tersebut selama 48 jam dengan penghambatan 76,59%.
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