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Title: Printing-assisted surface modifications of patterned ultrafiltration membranes

Journal Article · · ACS Applied Materials and Interfaces
 [1];  [2];  [3];  [3];  [4];  [1]
  1. Ben-Gurion Univ. of the Negev (Israel)
  2. Univ. of Chicago, Chicago, IL (United States); The Marine Biological Lab., Woods Hole, MA (United States)
  3. Argonne National Lab. (ANL), Lemont, IL (United States)
  4. Argonne National Lab. (ANL), Lemont, IL (United States); Univ. of Chicago, Chicago, IL (United States); The Marine Biological Lab., Woods Hole, MA (United States)

Understanding and restricting microbial surface attachment will enhance wastewater treatment with membranes. We report a maskless lithographic patterning technique for the generation of patterned polymer coatings on ultrafiltration membranes. Polyethylene glycol, zwitterionic, or negatively charged hydrophilic polymer compositions in parallel- or perpendicular-striped patterns with respect to feed flow were evaluated using wastewater. Membrane fouling was dependent on the orientation and chemical composition of the coatings. Modifications reduced alpha diversity in the attached microbial community (Shannon indices decreased from 2.63 to 1.89) which nevertheless increased with filtration time. Sphingomonas species, which condition membrane surfaces and facilitate cellular adhesion, were depleted in all modified membranes. Microbial community structure was significantly different between control, different patterns, and different chemistries. Lastly, this study broadens the tools for surface modification of membranes with polymer coatings and for understanding and optimization of antifouling surfaces.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
University of Chicago, Institute for Molecular Engineering; USDOE Office of Science (SC), Basic Energy Sciences (BES); United States - Israel Binational Science Foundation (BSF); Argonne National Laboratory, Laboratory Directed Research and Development (LDRD)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1364647
Journal Information:
ACS Applied Materials and Interfaces, Vol. 8, Issue 44; ISSN 1944-8244
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 26 works
Citation information provided by
Web of Science

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Cited By (3)

Membrane Surface Patterning as a Fouling Mitigation Strategy in Liquid Filtration: A Review journal October 2019
Silver-doped laser-induced graphene for potent surface antibacterial activity and anti-biofilm action journal January 2019
Ink-Jet Printing-Assisted Modification on Polyethersulfone Membranes Using a UV-Reactive Antimicrobial Peptide for Fouling-Resistant Surfaces journal August 2018