Cited by 62Electrostatics and Colloid InteractionsCoagulation and Flocculation StudiesMicro and Nano Robotics

Role of nonadsorbing polymers in bacterial aggregation

Eboigbodin, K. E., Newton, J. R. A., Routh, A. F., Biggs, C. A.·2005·Langmuir

Abstract

Bacteria exhibit properties similar to those of nonbiological colloids and can display pairwise attractions when in close proximity. This interaction is governed by the surface chemistry of the cells. We seek to understand bacterial aggregation at the cellular level using Escherichia coli (E. coli) AB1157. Aggregation studies were carried out using 0.5 to 2.5 wt% E. coli AB1157 harvested in different growth phases with varying concentrations of a nonadsorbing polymer, sodium polystyrene sulfonate (SPS). The electrophoretic mobility of E. coli AB1157 in different growth phases was determined using phase-amplitude light scattering. E. coli AB1157 was found to be negatively charged, and the cell surface properties changed in different growth phases. The electrokinetic results correlated well with the different concentrations of nonadsorbing polymer needed to induce depletion aggregation. This shows that a difference in aggregation properties is due to changes in the bacteria electrokinetic properties during their growth.

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Crossref · 10.1021/la051740u

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48 of 48 references verified0 citation errors · 0 not checkable

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  • Non-adsorbing polymers may cause bacteria to autoaggregate through depletion interactions.

    “Further, non-adsorbing polymers may cause bacteria to autoaggregate through depletion interactions [82].”

    From Bacterial autoaggregation (2018) · cites this paper as [82]

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Authors
Eboigbodin, K. E., Newton, J. R. A., Routh, A. F., & Biggs, C. A.
Affiliations
University of Sheffield (GB)
Corresponding author
Biggs, C. A.
Venue
Langmuir
Published
2005-11-11
Volume
21
Issue
26
Pages
12315-12319
ISSN
  • 0743-7463 (ISSN-L)
  • 1520-5827
OpenAlex
W1995795423
Cited by
62
References
48
Citations by year
2026: 1 · 2025: 5 · 2024: 2 · 2023: 4 · 2022: 4 · 2021: 5 · 2020: 2 · 2019: 4 · 2018: 1 · 2017: 1 · 2016: 2 · 2015: 2 · 2014: 1 · 2013: 1 · 2012: 2
FWCI
2.38
Type
journal article
Language
en
Open access
closed
Locations
  • Langmuir (publishedVersion)
  • PubMed (publishedVersion)
  • SHURA (Sheffield Hallam University Research Archive) (Sheffield Hallam University) (submittedVersion)
Funders
Biotechnology and Biological Sciences Research Council (BB/C505391/1)
Topics
  • Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Electrostatics and Colloid Interactions
  • Physical Sciences › Environmental Science › Water Science and Technology › Coagulation and Flocculation Studies
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Micro and Nano Robotics
Keywords
bacterial aggregation, non-adsorbing polymers, sodium polystyrene sulfonate, Escherichia coli, electrophoretic mobility, bacterial surface charge, growth phase, colloidal interactions
MeSH terms
Adsorption, Bacterial Adhesion, Electrophoresis, Escherichia coli, Polymers

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