Assessing bacterial adhesion using DLVO and XDLVO theories and the jet impingement technique

Bayoudh, Sonia; Othmane, Ali; Mora, Laurence; Ouada, H. Ben

doi:10.1016/j.colsurfb.2009.04.030

Cited by 176 publications

(104 citation statements)

References 35 publications

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“…Both short-range and long-range contributions indicate favorable conditions for adhesion. The long-range energy (W LR ) is generally a couple of orders of magnitude larger than literature values based on surface thermodynamic and (extended) DLVO analyses (7,9,23,28,30), while the attractive AB interaction energies from the literature are comparable to the total short-range contribution derived here. A comparison of the w SR values resulting from the newly proposed analysis with hydrogen-bonding energies (10 to 40 kJ/mol) from the literature (21) Poisson analysis of the work of adhesion has a statistical drawback in that one retraction force-distance curve yields only a single value for the work of adhesion (Fig.…”

Section: Poisson Analysis Of the Work Of Bacterial Adhesioncontrasting

confidence: 56%

“…AFM spectroscopy reveals the distance dependence of the adhesion force, and measured force-distance curves can be compared with theoretical models (3,7,8,13), which are usually based on the Derjaguin-Landau-Verwey-Overbeek (DLVO) theory (12, 39). The extended DLVO theory (36) includes not only long-range LW and EDL interactions, as does the classical DLVO theory, but also short-range AB interactions.…”

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confidence: 99%

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Statistical Analysis of Long- and Short-Range Forces Involved in Bacterial Adhesion to Substratum Surfaces as Measured Using Atomic Force Microscopy

Chen

Busscher

Mei

et al. 2011

Appl Environ Microbiol

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Surface thermodynamic analyses of microbial adhesion using measured contact angles on solid substrata and microbial cell surfaces are widely employed to determine the nature of the adhesion forces, i.e., the interplay between Lifshitz-van der Waals and acid-base forces. While surface thermodynamic analyses are often viewed critically, atomic force microscopy (AFM) can also provide information on the nature of the adhesion forces by means of Poisson analysis of the measured forces. This review first presents a description of Poisson analysis and its underlying assumptions. The data available from the literature for different combinations of bacterial strains and substrata are then summarized, leading to the conclusion that bacterial adhesion to surfaces is generally dominated by short-range, attractive acid-base interactions, in combination with long-range, weaker Lifshitz-van der Waals forces. This is in line with the findings of surface thermodynamic analyses of bacterial adhesion. Comparison with single-molecule ligand-receptor forces from the literature suggests that the short-range-force contribution from Poisson analysis involves a discrete adhesive bacterial cell surface site rather than a single molecular force. The adhesion force arising from these cell surface sites and the number of sites available may differ from strain to strain. Force spectroscopy, however, involves the tedious task of identifying the minor peaks in the AFM retraction force-distance curve. This step can be avoided by carrying out Poisson analysis on the work of adhesion, which can also be derived from retraction force-distance curves. This newly proposed way of performing Poisson analysis confirms that multiple molecular bonds, rather than a single molecular bond, contribute to a discrete adhesive bacterial cell surface site.Bacteria can adhere to various natural (33) and synthetic (11) surfaces, a phenomenon with widely different fields of application ranging from marine fouling, soil remediation, and food and drinking water processing to medicine and dentistry. In order to avoid the problems sometimes associated with bacterial adhesion, or to take advantage of it, better understanding of the mechanisms by which bacteria adhere to surfaces is required.Bacterial adhesion to surfaces can be approached by biochemical methods, by which the molecular structures mediating adhesion are unraveled (5, 18, 22, 31), or by physicochemical methods. Surface thermodynamic analyses of bacterial cell and substratum surfaces using measured contact angles with liquids have not only indicated when thermodynamic conditions are favorable or unfavorable for adhesion (1, 37) but can also be employed in combination with measured zeta potentials of the interacting surfaces to determine the nature of the adhesion forces that mediate initial adhesion, i.e., the interplay among long-range (Lifshitz-van der Waals [LW] and electrical double-layer [EDL]) and short-range (Lewis acid-base [AB]) interaction forces (35). Surface thermodynamic analyses of bacterial ad...

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Section: Poisson Analysis Of the Work Of Bacterial Adhesioncontrasting

confidence: 56%

mentioning

confidence: 99%

Statistical Analysis of Long- and Short-Range Forces Involved in Bacterial Adhesion to Substratum Surfaces as Measured Using Atomic Force Microscopy

Chen

Busscher

Mei

et al. 2011

Appl Environ Microbiol

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“…The XDLVO theory was used to model the interaction between bacterial cells and TiO 2 nanoparticles. This theory considers the total energy of adhesion to be the sum of the electrostatic double layer (EL) interaction energy, the Lifshitz-van der Waals (LW) interaction energy, and the Lewis acid-base (AB) (i.e., hydrophobic) interaction energy (36)(37)(38)(39). Details of these procedures are described in the supplemental material.…”

Section: Fig 1 Schematic Illustration Of the Photocatalytic Inactivatmentioning

confidence: 99%

Dual Roles of Capsular Extracellular Polymeric Substances in Photocatalytic Inactivation of Escherichia coli: Comparison of E. coli BW25113 and Isogenic Mutants

Huang

Xia

et al. 2015

Appl Environ Microbiol

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The dual roles of capsular extracellular polymeric substances (EPS) in the photocatalytic inactivation of bacteria were demonstrated in a TiO2-UVA system, by comparing wild-typeEscherichia colistrain BW25113 and isogenic mutants with upregulated and downregulated production of capsular EPS. In a partition system in which direct contact between bacterial cells and TiO2particles was inhibited, an increase in the amount of EPS was associated with increased bacterial resistance to photocatalytic inactivation. In contrast, when bacterial cells were in direct contact with TiO2particles, an increase in the amount of capsular EPS decreased cell viability during photocatalytic treatment. Taken together, these results suggest that although capsular EPS can protect bacterial cells by consuming photogenerated reactive species, it also facilitates photocatalytic inactivation of bacteria by promoting the adhesion of TiO2particles to the cell surface. Fluorescence microscopy and scanning electron microscopy analyses further confirmed that high capsular EPS density led to more TiO2particles attaching to cells and forming bacterium-TiO2aggregates. Calculations of interaction energy, represented by extended Derjaguin-Landau-Verwey-Overbeek (XDLVO) potential, suggested that the presence of capsular EPS enhances the attachment of TiO2particles to bacterial cells via acid-base interactions. Consideration of these mechanisms is critical for understanding bacterium-nanoparticle interactions and the photocatalytic inactivation of bacteria.

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“…The theory indicates that biofilm adhesion decreases with increasing DE TOT 132 values (Azeredo et al 1999;Liu and Zhao 2005;Jacobs et al 2007;Bayoudh et al 2009;Hori and Matsumoto 2010). However, little work on the influence of surface energy components on DE TOT 132 or biofouling adhesion has been reported.…”

Section: Introductionmentioning

confidence: 99%

The CQ ratio of surface energy components influences adhesion and removal of fouling bacteria

Liu

Zhao

2011

Biofouling

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The interaction energy between bacteria and substrata with different surface energies was modelled by the extended DLVO (Derjaguin, Landau, Verwey and Overbeek) theory. The modeling results revealed that the interaction energy has a strong correlation with the CQ (Chen and Qi) ratio, which is defined as the ratio of the Lifshitz-van der Waals (LW) apolar to the electron donor surface energy components of substrata. Both modeling and experimental results with different bacteria including P. fluorescens, Cobetia marina and Vibrio alginolyticus demonstrated that if the LW surface energy of bacteria is larger than that of water, which is the case for most bacteria, the number of adhered bacteria decreases with a decreasing CQ ratio while bacterial removal rate increases with a decreasing CQ ratio. However, if the LW surface energy of bacteria is less than that of water, the opposite results are obtained. The CQ ratio gives a clear direction for the design of anti-biofouling and biofouling-release coatings through surface modification.

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Assessing bacterial adhesion using DLVO and XDLVO theories and the jet impingement technique

Cited by 176 publications

References 35 publications

Statistical Analysis of Long- and Short-Range Forces Involved in Bacterial Adhesion to Substratum Surfaces as Measured Using Atomic Force Microscopy

Statistical Analysis of Long- and Short-Range Forces Involved in Bacterial Adhesion to Substratum Surfaces as Measured Using Atomic Force Microscopy

Dual Roles of Capsular Extracellular Polymeric Substances in Photocatalytic Inactivation of Escherichia coli: Comparison of E. coli BW25113 and Isogenic Mutants

The CQ ratio of surface energy components influences adhesion and removal of fouling bacteria

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