Prevention of Biofilm Associated Infections and Degradation of Polymeric Materials Used in Biomedical Applications

Kaali, Péter; Strömberg, Emma; Karlsson, Sigbritt

doi:10.5772/12983

Cited by 21 publications

(32 citation statements)

References 112 publications

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“…Various nanometresized metal and metal oxide particles can provide antibacterial properties, and silver NPs seem to be particularly attractive, due to excellent antimicrobial efficiency of silver itself that has known for a long time 36 . The antimicrobial mechanism of the NPs is not known, but it can be assumed that it is similar to the ions, and this is due to their small size and high specific surface area, which makes them extremely reactive with the environment 27 . Layers of silver produced by sputtering silver metal in a controlled atmosphere under different conditions to produce silver NPs species have been produced and studied and significantly higher bactericidal properties than simple Ag + solutions have resulted.…”

Section: Use Of Silvermentioning

confidence: 99%

Soil Films in the Beverage Industry: A Review

Mamvura

Iyuke

Cluett

et al. 2011

Journal of the Institute of Brewing

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This article provides an overview of the formation of soil films, their composition, effects and control measures that can be applied in the beverage industry, focusing on the negative aspects of their formation. The positive aspects utilised in bioreactors and fermentation reactions will not be reviewed here. Soils gain access to equipment surfaces and these form soil films that are an assembly of microbial cells, organic and inorganic foulants, irreversibly attached to a surface, and enclosed in an extracellular polymeric substance (EPS) matrix. The EPS is vital in the structure and functioning of different soil film communities. Soil films are responsible for the deterioration of water and corrosion in water distribution systems, food contamination, reduced product quality in the beverage industry, infection on medical surfaces, plaque build up on teeth, increase in fuel costs on ships, decrease in heat transfer in heat exchangers and deterioration of metal due to microbial activity during microbiologically influenced corrosion (MIC).

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Section: Use Of Silvermentioning

confidence: 99%

Soil Films in the Beverage Industry: A Review

Mamvura

Iyuke

Cluett

et al. 2011

Journal of the Institute of Brewing

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“…Polydimethylsiloxane (PDMS) is a polymer that has been widely used in biomedical devices like contact lenses, breast implants, catheters, and used in the correction of vesico ureteric reflux in the bladder [1,4]. These devices are often colonized by single bacterial species like Escherichia coli [5].…”

Section: Introductionmentioning

confidence: 99%

“…These sessile cells are typically more resistant to antimicrobial agents than planktonic ones, have a decreased susceptibility to host defense systems and function as a source of resistant microorganisms responsible for many hospital acquired infections [3]. Moreover, biofilm spreading on the surface upon prolonged use of the biomedical device can cause material biodegradation, changes in surface properties and deterioration of the medical functionality [1,2].…”

Section: Introductionmentioning

confidence: 99%

“…Bacteria often adhere to surfaces and form biological communities called biofilms [1] that develop in almost all types of biomedical devices [2]. These sessile cells are typically more resistant to antimicrobial agents than planktonic ones, have a decreased susceptibility to host defense systems and function as a source of resistant microorganisms responsible for many hospital acquired infections [3].…”

Section: Introductionmentioning

confidence: 99%

“…These materials should be biocompatible and have to be stable, resistant against different body fluids and display anti adhesive properties towards microorganisms [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

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The effects of surface properties on Escherichia coli adhesion are modulated by shear stress

Moreira

Araújo

Miranda

et al. 2014

Colloids and Surfaces B: Biointerfaces

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The adhesion of Escherichia coli to glass and polydimethylsiloxane (PDMS) at different flow rates (between 1 and 10 ml.s -1 ) was monitored in a parallel plate flow chamber in order to understand the effect of surface properties and hydrodynamic conditions on adhesion. Computational fluid dynamics was used to assess the applicability of this flow chamber in the simulation of the hydrodynamics of relevant biomedical systems. Wall shear stresses between 0.005 and 0.07 Pa were obtained and these are similar to those found in the circulatory, reproductive and urinary systems. Results demonstrate that E.coli adhesion to hydrophobic PDMS and hydrophilic glass surfaces is modulated by shear stress with surface properties having a stronger effect at the lower and highest flow rates tested and with negligible effects at intermediate flow rates. These findings suggest that when expensive materials or coatings are selected to produce biomedical devices, this choice should take into account the physiological hydrodynamic conditions that will occur during the utilization of those devices.

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Nanocomposites

Xavier

2022

Thermoplastic Polymer Composites

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Prevention of Biofilm Associated Infections and Degradation of Polymeric Materials Used in Biomedical Applications

Cited by 21 publications

References 112 publications

Soil Films in the Beverage Industry: A Review

Soil Films in the Beverage Industry: A Review

The effects of surface properties on Escherichia coli adhesion are modulated by shear stress

Nanocomposites

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