纳米微生物/银纳米粒子复合膜抗菌活性

Alchemy Journal of Chemistry Pub Date : 2021-03-30 DOI:10.18860/al.v9i1.11146

D. Notriawan, Nesbah Nesbah, Gustria Ernis, Muhammad Adeng Fadhila, Risky Hadi Wibowo, Reza Pertiwi, Vinolla Ilfanisari

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引用次数: 1

摘要

本研究的目的是制备壳聚糖/银纳米复合膜，并对其抗菌性能进行测试。以乙酸为溶剂，壳聚糖与pluronic合成了纳米复合膜。采用绿色合成法，以玛加锡果(Brucea javanica L. Merr)果皮提取物为生物载体合成纳米银。将纳米银与壳聚糖/pluronic混合物复合，并在玻璃板上印刷。采用FTIR分光光度计和扫描电镜对纳米复合膜进行了表征。研究了纳米复合膜对大肠杆菌的抑菌活性。紫外可见光谱显示银纳米颗粒的形成，其吸收波长为454nm，吸光度值为0.405。FTIR表征表明壳聚糖和pluronic复合材料没有形成新的官能团。扫描电镜结果显示了壳聚糖膜与纳米复合膜的差异。与壳聚糖膜相比，纳米复合膜的表面呈现不均匀。纳米复合膜具有抑制大肠杆菌生长的抑菌活性。关键词:纳米复合材料;壳聚糖/纳米银;抗菌;膜纳米复合材料的分布，登甘mensinensis, kitosan，登甘pluronik，蒙古纳坎pelarut等。纳米颗粒裂解裂解蒙古纳坎方法绿色合成登甘赤霉素(Brucea javanica L. Merr) sebagai生物反应器。纳米颗粒perak dikomposititkan dengan campuran kitosan/pluronik和dicetetak数据平台kaca。薄膜纳米复合材料的研究:光谱分析仪、红外光谱和扫描电镜。膜纳米复合材料对大肠杆菌的抑菌活性研究。紫外-可见光谱纳米粒子perak yang ditandai adanya serapan paada panjang gelombang 454nm吸收光谱0,405。红外光谱(FTIR)分析，分析，推测，推测，推测，推测，推测，推测，推测纳米复合材料的研究进展。白木聚糖膜纳米复合材料的研究。膜纳米复合材料:微生物活性菌、细菌、细菌、细菌、细菌、大肠杆菌。Kata kunci:纳米复合材料，kitosan/纳米颗粒perak，抗菌

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Aktivitas Antibakteri Membran Nanokomposit Kitosan/Nanopartikel Perak

The aim of this study was to make and test the antibacterial activity of chitosan/silver nanoparticles nanocomposite membranes. Nanocomposite membranes were synthesized by chitosan with pluronic using acetic acid as a solvent. Silver nanoparticles were synthesized using the green synthesis method and the makasar fruit (Brucea javanica L. Merr) peel extract as a bioreductor. The silver nanoparticles were composited with a chitosan/pluronic mixture and printed on a glass plate. Nanocomposite membranes were characterized using the FTIR spectrophotometer and the scanning electron microscope (SEM). Nanocomposite membrane were tested for antibacterial activity against Escherechia coli. The UV-Vis spectra showed the formation of silver nanoparticles which were indicated by the absorption at 454 nm and the absorbance value of 0.405. Characterization using FTIR showed no new functional groups formed in the composites of chitosan and pluronic. SEM results showed the difference between the chitosan membrane and the nanocomposite membrane. The surface of nanocomposite membrane showed uneven compared to the chitosan membrane. Nanocomposite membranes have antibacterial activity to inhibit E. coli growth. Keywords: nanocomposite, chitosan/silver nanoparticles, antibacterial Penelitian ini bertujuan untuk membuat dan menguji aktivitas antibakteri membran nanokomposit kitosan/nanopartikel perak. Membran nanokomposit dibuat dengan mensintesis kitosan dengan pluronik menggunakan pelarut asam asetat. Nanopartikel perak disintesis menggunakan metode green synthesis dengan ekstrak kulit buah makasar (Brucea javanica L. Merr) sebagai bioreduktor. Nanopartikel perak dikompositkan dengan campuran kitosan/pluronik dan dicetak di atas plat kaca. Membran nanokomposit dikarakterisasi menggunakan spektrofotometer FTIR dan scanning electron microscope (SEM). Membran nanokomposit dilakukan uji aktivitas antibakteri terhadap Escherechia coli. Spektra UV-Vis menunjukkan terbentuknya nanopartikel perak yang ditandai adanya serapan pada panjang gelombang 454 nm dan absorbansi 0,405. Karakterisasi dengan FTIR menunjukkan tidak adanya gugus fungsi baru yang terbentuk pada komposit dari kitosan dan pluronik. Hasil SEM menunjukkan adanya perbedaan antara membran kitosan dengan membran nanokomposit. Permukaan membran nanokomposit terlihat tidak rata dibandingkan membran kitosan. Membran nanokomposit memiliki aktivitas bakteri sehingga dapat mengambat pertumbuhan bakteri E. coli. Kata kunci: nanokomposit, kitosan/nanopartikel perak, antibakteri

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来源期刊

Alchemy Journal of Chemistry

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审稿时长

8 weeks