相关实验视频

Updated: Sep 10, 2025

Bacterial Cellulose Spheres that Encapsulate Solid Materials

Bacterial Cellulose Spheres that Encapsulate Solid Materials

Published on: February 26, 2021

多功能propargylated微晶纤维素-双三衍生物:吸附和抗菌活性

Sahar Shaarawy¹, Amira El-Shafei¹, Asmaa Aboelnaga²

¹Pre-treatment and Finishing of Cellulosic Fiber Department, Textile Research and Technology Institute, National Research Centre, 33 El Buhouth St, Dokki 12622 Giza, Egypt.

International journal of biological macromolecules

|August 25, 2025

概括

一种新的生物基材料有效地去除罗达胺B染料, 并对抗黄金菌和大肠杆菌等细菌. 这种双重作用的化合物为废水整治和公共卫生保护提供了有前途的解决方案.

科学领域:

材料科学
环境化学
生物技术

背景情况:

废水中的染料和细菌污染给环境和健康带来了重大挑战.
开发高效的多功能材料对于有效的废水处理至关重要.

研究的目的:

合成和描述一种新的生物基双重功能材料,同时可以去除染料和抗菌活性.
评估该材料在吸附罗达B和抑制病原细菌方面的有效性.

主要方法:

微晶纤维素 (MCC) 通过 propargyl 组进行功能化,并通过点击化学与 4, 4'- diazido-1,1'- biphenyl 反应.
通过福里埃变换红外光谱 (FTIR) 和质子核磁共振 (1H NMR) 证实了合成.
对Rhodamine B,金黄色葡萄球菌和大肠杆菌进行了染料吸附和抗菌检测.

主要成果:

这种新型的propargylated-MCC-biphenyl triazole已成功合成和表征.
在pH为2,1.5g/L的剂量和30分钟的接触时间下,该材料显示出有效的Rhodamine B吸附.
观察到黄金葡萄球菌和大肠杆菌的殖民地形成单位显著减少,这表明其具有强烈的抗菌活性.

结论:

化MCC-双三醇在废水整治方面表现出卓越的双重功能.
三醇和二基的协同作用有助于增强染料吸附和抗菌性质.
这种生物材料在环境清洁和公共卫生方面具有很强的应用潜力.

关键词:

吸附方式纤维素材料点击化学,双三染料的使用废水处理

更多相关视频

Biomimetic Materials to Characterize Bacteria-host Interactions

Biomimetic Materials to Characterize Bacteria-host Interactions

Published on: November 16, 2015

Fabrication of a Functionalized Magnetic Bacterial Nanocellulose with Iron Oxide Nanoparticles

Fabrication of a Functionalized Magnetic Bacterial Nanocellulose with Iron Oxide Nanoparticles

Published on: May 26, 2016

相关概念视频

Antimicrobial Effectiveness

Antimicrobial Effectiveness

The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...

Bacterial Cell Wall

Bacterial Cell Wall

The bacterial cell wall is an essential structural component that encases the plasma membrane, preserving cellular integrity, determining shape, and protecting against osmotic stress. This rigid yet flexible structure primarily comprises peptidoglycan, a polymer that forms a mesh-like matrix conferring mechanical strength and flexibility.Peptidoglycan Composition and StructurePeptidoglycan, the core of the bacterial cell wall, comprises alternating units of N-acetylglucosamine (NAG) and...