评估巨植物提取物作为淡水人造结构的环保防腐添加剂:现场评估
Mikael Luiz Pereira Morales1, Leandro Capurro2, Facundo Bordert3
1Programa de Pós-graduação em Oceanologia, Instituto de Oceanografia (IO) da Universidade Federal do Rio Grande (FURG), Rio Grande, Rio Grande do Sul, Brasil.
Environmental pollution (Barking, Essex : 1987)
|August 7, 2025
概括
这项研究证明了水生巨型植物提取物,特别是Pontederia crassipes作为天然防剂的有效性. 实地试验证实了它们在淡水环境中的表面减少生物污染的能力.
科学领域:
- 环境科学 环境科学
- 海洋生物学 海洋生物学
- 材料科学 材料科学 材料科学
背景情况:
- 人工水面上的生物污染造成了重大经济损失和运营问题.
- 传统的防涂料通常使用有害的合成化学品,需要可持续的替代品.
- 像Pontederia crassipes和Typha domingensis这样的水生巨型植物显示出初步的防潜力.
研究的目的:
- 在天然淡水条件下,评估P. crassipes和T. domingensis提取物在环氧涂层中的防效果.
- 为了确定潜在的活性化合物,负责防活动.
- 评估巨植物提取物作为环保防解决方案的可行性.
主要方法:
- 不钢基板被涂上含有宏菌提取物 (2.5,5,10克L-1) 的环氧涂层,并在萨尔托格兰德水库暴露.
- 生物污染评估包括165小时的叶绿素水平,细菌数量,宏观生物的存在和分类学多样性.
- 使用染色学和光谱学的化学分析确定了提取物中的化合物.
主要成果:
- 与Typha domingensis相比,Pontederia crassipes提取物在5g和10gL-1的剂量中显示出优越的防性能.
- P. crassipes的涂层显著减少了细菌殖民 (37%),藻类和真菌生长以及宏观生物的附着.
- 确定的化合物包括长链碳化合物和衍生物,可能是观察到的活动的原因.
结论:
- 巨型植物提取物,特别是P. crassipes,在被纳入环氧涂层时,证明了在现场证明的抗效果.
- 由于其有效性和可用性,P. crassipes是开发可持续的天然防剂的有希望的候选者.
- 这项研究证实了巨植物在自然水生环境中用于环保的生物污染控制.
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