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在印度沿海地区进行细菌查,以获得高效的聚烯微塑料生物降解

Jeyaraj Jeyavani¹, Khalid A Al-Ghanim², Marimuthu Govindarajan³

¹Biomaterials and Biotechnology in Animal Health Lab, Department of Animal Health and Management, Alagappa University, Karaikudi 630003, Tamil Nadu, India.

The Science of the total environment

|January 31, 2024

概括

海洋细菌可以降解聚烯微塑料 (PP MP),为塑料污染提供潜在的解决方案. 这项研究确定了五种细菌菌株,这些细菌株在28天内显著降低了PP MPs的重量并改变了它们的表面结构.

科学领域:

环境微生物学环境微生物学
聚合物科学聚合物科学
海洋生物技术海洋生物技术

背景情况:

聚烯 (PP) 微塑料 (MP) 由于COVID-19大流行期间使用量增加,造成了重大环境威胁.
人民党议员的性需要紧急解决减少污染的解决方案.

研究的目的:

研究海洋细菌菌株在聚烯微塑料 (PP MP) 上的生物降解潜力.
确定能够降解PPMP的特定细菌菌株,并描述降解过程.

主要方法:

基于疏水性,生物膜形成和清除区域的基础上,从Thoundi和Rameshwaram海岸隔离和选海洋细菌.
用PPMP培养28天的精选细菌菌株,监测生长,代谢活动和活力.
使用减肥测量,UV-Vis DRS,SEM,FT-IR和1H NMR光谱分析PP MPs降解的分析.

主要成果:

五种细菌菌株 (Bacillus tropicus,Bacillus cereus,Stenotrophomonas acidaminiphila和Brucella pseudintermedia) 在生物降解过程中表现出增加的活性.
在28天后,观察到PP国会议员的显著减肥比例,从28.5%到51.5%不等.
SEM和光谱分析 (UV-Vis DRS,FT-IR,1H NMR) 证实了PPMP的表面变化,裂和空洞,表明了降解.

结论:

海洋细菌具有独特的特性,可以降解聚烯微塑料.
鉴定的细菌菌株分泌酶酶 (蛋白酶,脂酶,酶),促进塑料的降解.
这些发现凸显了海洋细菌在塑料垃圾生物修复和环境保护方面的潜力.

关键词:

分析技术的分析技术.降解降解是一种降解.海洋细菌是一种海洋细菌.聚乙烯聚合物的聚合物.

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