Short-term adhesion and long-term biofouling testing of polydopamine and poly(ethylene glycol) surface modifications of membranes and feed spacers for biofouling control.

Water Research
Daniel J MillerJ S Vrouwenvelder

Abstract

Ultrafiltration, nanofiltration membranes and feed spacers were hydrophilized with polydopamine and polydopamine-g-poly(ethylene glycol) surface coatings. The fouling propensity of modified and unmodified membranes was evaluated by short-term batch protein and bacterial adhesion tests. The fouling propensity of modified and unmodified membranes and spacers was evaluated by continuous biofouling experiments in a membrane fouling simulator. The goals of the study were: 1) to determine the effectiveness of polydopamine and polydopamine-g-poly(ethylene glycol) membrane coatings for biofouling control and 2) to compare techniques commonly used in assessment of membrane biofouling propensity with biofouling experiments under practical conditions. Short-term adhesion tests were carried out under static, no-flow conditions for 1 h using bovine serum albumin, a common model globular protein, and Pseudomonas aeruginosa, a common model Gram-negative bacterium. Biofouling tests were performed in a membrane fouling simulator (MFS) for several days under flow conditions similar to those encountered in industrial modules with the autochthonous drinking water population and acetate dosage as organic substrate. Polydopamine- and polydopamine-g-...Continue Reading

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Citations

Oct 2, 2013·Water Research·Avner RonenCarlos G Dosoretz
Jan 17, 2016·Water Research·Amber SiddiquiJohannes S Vrouwenvelder
Jul 19, 2013·Water Research·Lilian MalaebPascal E Saikaly
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May 11, 2016·Environmental Science & Technology·François PerreaultMenachem Elimelech
Aug 4, 2016·Environmental Science & Technology·Xin WangZhiyong Jason Ren
Dec 7, 2013·Environmental Science & Technology·Moshe Ben-SassonMenachem Elimelech
Sep 27, 2016·ACS Applied Materials & Interfaces·Kristopher W KoleweJessica D Schiffman
Mar 10, 2017·Membranes·Nima ShahkaramipourHaiqing Lin
Oct 25, 2016·Chemical Society Reviews·Runnan ZhangZhongyi Jiang
Sep 9, 2016·Angewandte Chemie·Daniel J MillerBenny D Freeman
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Aug 10, 2017·Membranes·Patrizia FormosoFiore Pasquale Nicoletta
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Jan 28, 2021·Membranes·Manoka MiyoshiHidetaka Kawakita
Feb 22, 2018·ACS Applied Materials & Interfaces·Ji Hyun RyuHaeshin Lee
Nov 29, 2017·Environmental Science & Technology·Sara BinAhmedSantiago Romero-Vargas Castrillón

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