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首页> 外文期刊>Marine biology >A new photodegradable molecule as a low impact ballast water biocide: efficacy screening on marine organisms from different trophic levels
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A new photodegradable molecule as a low impact ballast water biocide: efficacy screening on marine organisms from different trophic levels

机译：一种新的可光降解的分子作为低冲击压载水杀菌剂：对来自不同营养级别的海洋生物的功效筛选

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摘要

Marine species carried by the ships' ballast waters are a potentially serious environmental problem. Many strategies are being adopted to minimize the transfer of invasive or pathogenic marine species between different aquatic ecosystems. This problem is often addressed by using biocides for ballast water treatment; however, the biocide could be dangerous to native organisms once the ballast water is discharged. Chemical treatments such as chlorination and addition of glutaraldehyde could cause problems related to tox-icity and application costs. The search for new effective molecules with a low environmental impact is pressing. This paper presents data from a preliminary efficacy screening of a promising molecule derived from alkyl-ated naphtoquinones on a battery of ballast water model organisms. Results show that this new molecule is very effective in the absence of light and is extremely photodegradable (half-life < 6 h). It can thus be easily degraded when released in the environment.
机译：船舶压载水所携带的海洋物种是一个潜在的严重环境问题。正在采取许多策略来尽量减少不同水生生态系统之间的入侵性或致病性海洋物种的转移。通常通过使用杀菌剂进行压载水处理来解决该问题。但是，一旦排出压舱水，该杀菌剂可能会对本地生物造成危险。氯化和添加戊二醛等化学处理可能会导致与毒性和使用成本相关的问题。寻找具有低环境影响的新的有效分子迫在眉睫。本文提供了从一系列压载水模型生物体上衍生自烷基化萘醌的有前途分子的初步功效筛选中的数据。结果表明，这种新分子在没有光照的情况下非常有效，并且具有极强的光降解性（半衰期<6小时）。因此，当释放到环境中时，它很容易降解。

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