Faculdade de Farmácia, Universidade Federal de Goiás, Goiânia, Brazil.
Departamento de Química Orgánica, Universidad de Cordoba, Spain.
Sci Rep. 2017 Feb 1;7:41326. doi: 10.1038/srep41326.
Microcystin-leucine arginine (MC-LR) is the most abundant and toxic secondary metabolite produced by freshwater cyanobacteria. This toxin has a high potential hazard health due to potential interactions with liver, kidney and the nervous system. The aim of this work was the design of a simple and environmentally friendly electrochemical system based on highly efficient nanostructured electrodes for the removal of MC-LR in tap water. Titania nanoparticles were deposited on carbon (graphite) under a simple and efficient microwave assisted approach for the design of the electrode, further utilized in the electrochemical remediation assays. Parameters including the applied voltage, time of removal and pH (natural tap water or alkaline condition) were investigated in the process, with results pointing to a high removal efficiency for MC-LR (60% in tap water and 90% in alkaline media experiments, under optimized conditions).
微囊藻氨酸亮氨酸精氨酸（MC-LR）是由淡水蓝藻产生的最丰富和最具毒性的次生代谢物。由于与肝脏、肾脏和神经系统的潜在相互作用，这种毒素对健康有很高的潜在危害。本工作的目的是设计一种简单、环保的电化学系统，该系统基于高效的纳米结构电极，用于去除自来水中的 MC-LR。在电极的设计中，采用简单高效的微波辅助方法将氧化钛纳米颗粒沉积在碳（石墨）上，进一步用于电化学修复实验。研究了包括施加电压、去除时间和 pH 值（天然自来水或碱性条件）在内的参数，结果表明 MC-LR 的去除效率很高（在优化条件下，自来水中为 60%，碱性介质实验中为 90%）。
