整合UiO-66 - - 细菌复合物用于去除甲蓝:机理性见解和解毒
Silvia Abdi Pratama1, Adi Setyo Purnomo1, Herdayanto Sulistyo Putro1
1Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember (ITS), Kampus ITS Sukolilo, Surabaya, 60111, Indonesia.
International journal of biological macromolecules
|March 9, 2026
概括
这项研究引入了一种新型生物复合材料,用于高效地去除甲蓝. UiO-66-Pseudomonas aeruginosa系统结合了吸附和生物降解,为废水处理提供了一个可持续的解决方案.
科学领域:
- 环境科学 环境科学
- 生物技术是生物技术.
- 材料科学 材料科学 材料科学
背景情况:
- 通过联合吸附和生物降解进行染料脱色是有希望的,但在机理上不清楚.
- 开发综合生物催化平台对于可持续的废水整治至关重要.
研究的目的:
- 为了研究UiO-66-Pseudomonas aeruginosa生物复合物的协同机制,以去除甲蓝 (MB).
- 阐明吸附动力学,生物降解途径和系统的排毒能力.
主要方法:
- 在藻酸盐/聚乙烯醇基基质中固定UiO-66-Pseudomonas aeruginosa生物复合物的制造.
- 使用XPS和N2吸附-脱附的表征;吸附动力学和异温研究 (Langmuir,伪二阶).
- 通过LC-MS分析降解代谢物;酶分析;用Vigna radiata进行植物毒性测试.
主要成果:
- 生物复合物形成了一个半孔网络,增强了MB去除的质量转移.
- 吸附遵循伪二次动力学,最大容量为18.87毫克/克,符合兰格穆尔模型.
- LC-MS确定了四种代谢物,表明氧化脱甲基化,还原和环裂氧化途径,由酶分析支持. 植物毒性测试显示废水排毒.
结论:
- UiO-66-Pseudomonas aeruginosa生物复合物有效地整合了吸附和生物降解,以消除MB.
- 机械洞察力揭示了UiO-66和P. aeruginosa在增强两种过程中的协同作用.
- 该系统显示了可持续和环保废水整治的巨大潜力.
相关概念视频
Bioremediation
17.4K
Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
17.4K
Microbial Bioremediation of Uranium
103
Microorganisms play a critical role in the transformation and immobilization of uranium in contaminated environments through four main pathways: bioreduction, biosorption, bioaccumulation, and biomineralization. These mechanisms reduce uranium’s toxicity and prevent its migration through groundwater systems, offering sustainable approaches for in situ bioremediation.Bioreduction of UraniumBioreduction is driven by anaerobic bacteria such as certain strains of Geobacter and Shewanella,...
103
Microbial Bioremediation of Hydrocarbons
150
Bioremediation is an environmentally sustainable process that employs living organisms—primarily microorganisms—to degrade or neutralize pollutants from contaminated environments. In oil spills and hydrocarbon pollution, bioremediation involves the use of hydrocarbon-degrading bacteria to transform toxic compounds into less harmful substances. This approach leverages natural microbial metabolic processes and is considered both cost-effective and ecologically favorable compared to...
150
Microbial Bioremediation of Pesticides
85
Pesticides often feature structurally complex chemical architectures, incorporating halogen groups and multiple aromatic rings. These characteristics confer high chemical stability, rendering many pesticides resistant to natural degradation processes. This resistance poses significant environmental concerns, as persistent pesticide residues can accumulate in ecosystems and affect non-target organisms.Despite the inherent stability of many pesticides, certain microorganisms possess the metabolic...
85
Microbial Leaching
227
Microbial leaching, also known as bioleaching, is an environmentally favorable method for extracting metals from low-grade ores using specific microorganisms. This biotechnological approach is particularly valuable for mining operations targeting copper, gold, and uranium, where traditional extraction methods may be economically or environmentally impractical.Copper Leaching and Microbial CatalysisIn copper bioleaching, crushed ore is arranged into heaps and irrigated with a dilute sulfuric...
227
Microbial Bioremediation of Plastics
131
Polyethylene terephthalate (PET) is a synthetic polymer widely utilized in the packaging industry, particularly for bottles and containers. Due to its chemical stability and durability, PET accumulates in the environment, contributing significantly to plastic pollution. It comprises repeating units of terephthalic acid and ethylene glycol, resulting in a semi-crystalline structure that is resistant to natural degradation processes.A notable breakthrough in plastic biodegradation came with the...
131


