作者
Gabrielle String, Marta Domini, Patrick Mirindi, Hayes Klemm Brodsky, Yarmina Kamal, Tyler Tatro, Miranda Johnston, Hanaa Badr, Daniele Lantagne
发表日期
2020/4/16
期刊
Npj Clean Water
卷号
3
期号
1
页码范围
13
出版商
Nature Publishing Group UK
简介
Biofilms are aggregates of microorganisms attached to surfaces that can (re)contaminate water by releasing microorganisms. We grew E. coli biofilms on household taps and on storage container coupons, and cleaned them with locally-available agents (bleach, boiled water, soapy water, vinegar) and methods (flowing, scrubbing, or soaking taps; soaking and wiping container coupons). After cleaning, we enumerated surface E. coli and imaged biofilms using epifluorescence microscopy. Biofilms were removed from taps when: soaking assembled for five minutes (bleach, boiled water); and, scrubbing and soaking unassembled for five minutes (bleach, boiled water, vinegar). Only soaking methods removed E. coli from container coupons. To remove biofilms, we recommend soaking assembled taps in boiled water for five minutes. No recommendation for cleaning containers emerged as soaking storage containers is …
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G String, M Domini, P Mirindi, HK Brodsky, Y Kamal… - Npj Clean Water, 2020