PMID: 16509345Mar 3, 2006Paper

Microencapsulated BioBullets for the control of biofouling zebra mussels

Environmental Science & Technology
D C AldridgeGeoff D Moggridge

Abstract

The widespread invasion of freshwaters by the zebra mussel, Dreissena polymorpha, during the last 2 decades has made it one of the world's most economically and ecologically important pests. Since arriving in the North American Great Lakes in the 1980s, zebra mussels have become a major biofouler, blocking the raw water cooling systems of power stations and water treatment works and costing U.S. dollars 1-5 billion per year. Despite the development of numerous control methods, chlorination remains the only widespread and licensed technique. Zebra mussels are able to sense chlorine and othertoxins in their surrounding environment and respond by closing their valves, thus enabling them to avoid toxic effects for up to 3 weeks. Furthermore, prolonged dosing of chlorine in raw water produces ecotoxic trihalomethanes (THMs) by reaction with organic material in the water. We have developed a novel, environmentally safe, and effective method for controlling the zebra mussel: the BioBullet. Our method uses the encapsulation of an active ingredient (KCI) in microscopic particles of edible material. The mussels' natural filtering ability then removes and concentrates the particles from the water, without stimulating the valve-closing res...Continue Reading

Citations

Aug 15, 2012·Trends in Ecology & Evolution·Daniel SimberloffMontserrat Vilà
Apr 16, 2013·Marine Environmental Research·Sávio Henrique C CalazansMauro de Freitas Rebelo
Jan 2, 2018·Royal Society Open Science·David Willer, David C Aldridge
Dec 13, 2019·Scientific Reports·Feng Tang, David C Aldridge
Aug 9, 2020·Frontiers in Nutrition·David F Willer, David C Aldridge
Sep 22, 2018·The Science of the Total Environment·Shiguo LiAibin Zhan

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