增强的LED光驱的Cefdinir光催化降解使用木酸盐纳米颗粒
Sara Ishaq1, Ahmed H Nadim2, Joliana F Farid2
1Faculty of Pharmacy, MSA University, October University for Modern Sciences and Arts, Cairo, Egypt. saishaq@msa.edu.eg.
Scientific reports
|July 8, 2025
概括
双酸纳米颗粒有效地使用可见光降解Cefdinir (CEF) 抗生素,达到~98%的去除. 这种环保方法为清洁受污染的水源提供了一个有希望的解决方案.
科学领域:
- 环境化学环境化学
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
背景情况:
- 水中的抗生素污染对环境和健康构成重大风险.
- 可见光光触媒是一种新兴的水利技术.
- 开发高效的光催化剂对于解决抗生素污染至关重要.
研究的目的:
- 为了研究Cefdinir (CEF) 的可见光驱动光降解,将比斯木酸盐 (Bi4Ti3O12) 纳米颗粒用于研究.
- 使用中央复合材料设计优化光降解条件.
- 为了评估降解后的抗微生物活性损失.
主要方法:
- 聚合和对比斯木酸纳米颗粒 (TEM,XRD,DRS) 的表征.
- 在可见LED照射下进行光降解实验.
- 使用中央复合材料设计和通过RP-HPLC进行分析的优化.
- 在治疗前和治疗后对抗微生物活性进行评估.
主要成果:
- 石棉酸纳米颗粒实现了Cefdinir的约98%的光降解.
- 最佳条件:0.05 g/L纳米颗粒,pH 5,50 μg/mLCEF,在室温下1小时.
- 降解效率受到纳米粒子度,CEF度和pH的影响.
- 在治疗后观察到CEF抗菌活性显著下降.
结论:
- 石酸纳米粒子在可见光下显示出高光催化效率的Cefdinir在可见光下降解.
- 该研究提供了一种具有成本效益和环保的方法,用于从水中去除抗生素.
- 这项研究为减轻抗生素残留物对环境的影响提供了一个新的解决方案.
更多相关视频
08:30A Complete Method for Evaluating the Performance of Photocatalysts for the Degradation of Antibiotics in Environmental Remediation
Published on: October 6, 2022
2.3K
06:42Author Spotlight: Exploring the Antibacterial Effects of Zinc Oxide Nanoparticles in Overcoming Antibiotic Resistance
Published on: September 27, 2024
2.0K
相关概念视频
01:27Combined Effects of Drugs: Synergism
Synergism is a useful mechanism where combining two or more drugs is more effective than each constituent used alone. Such combinations are also called supra-additive interactions. The drugs collectively enhance the final therapeutic effect by acting on different targets. Another advantage is that the low dose of each constituent drug is sufficient to achieve the desired effect. This helps reduce the duration of therapy and lower the adverse effects of these drugs.
Such synergistic combinations...
Such synergistic combinations...
01:24Microbial Corrosion
Microbiologically Influenced Corrosion (MIC) is a significant form of material degradation caused by the metabolic activities of microorganisms. This phenomenon poses substantial challenges across various industries, including oil and gas, maritime, and water treatment sectors.MIC occurs when microorganisms, such as bacteria, archaea, and fungi, colonize metal surfaces, forming biofilms that alter the local electrochemical environment. These biofilms can lead to the production of corrosive...
01:27Production of Antibiotics
Penicillin, one of the earliest and most widely used antibiotics, is produced industrially by the filamentous fungus Penicillium chrysogenum. Large stirred-tank bioreactors ranging from tens to hundreds of thousands of liters maintain tightly controlled temperature, pH, and dissolved oxygen conditions to support fungal metabolism and maximize antibiotic yield. Penicillin is a secondary metabolite, synthesized primarily during the stationary growth phase, which requires a carefully managed...