Recovery of resistant bacteria from mattresses of patients under contact precautions

Viana, Roberta El Hariri; Santos, Simone Gonçalves Dos; Oliveira, Adriana Cristina de

doi:10.1016/j.ajic.2015.10.027

Cited by 12 publications

(12 citation statements)

References 15 publications

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“…Viana et al [33] performed an analysis on hospital mattresses, and resistant bacteria were found on about 50% of the evaluated mattresses. A. baumannii was the main species found, being present in 73.1% of the mattresses, but also other pathogens were collected as K. pneumoniae and P. aeruginosa.…”

Section: Hospital Surfacesmentioning

confidence: 99%

“…For example, according to the Practical Guidelines for Infection Control in Health Care Facilities [41], mattresses without plastic covers must be steam cleaned if contaminated with body fluids. However, if body fluid contamination does not occur the mattresses are not so often cleaned, allowing microorganisms to accumulate with time and use, as proved by Viana et al [33]. Also Geadas Farias et al [32] have found that surfaces usually not considered dirty but highly touched as light switches or nursing trays were contaminated with several microorganisms.…”

Section: Hospital Surfacesmentioning

confidence: 99%

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Self-disinfecting surfaces and infection control

Querido

Aguiar

Neves

et al. 2019

Colloids and Surfaces B: Biointerfaces

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Section: Hospital Surfacesmentioning

confidence: 99%

Section: Hospital Surfacesmentioning

confidence: 99%

Self-disinfecting surfaces and infection control

Querido

Aguiar

Neves

et al. 2019

Colloids and Surfaces B: Biointerfaces

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“…Thermochemical liquefactions have been applied to a large number of feedstocks such as forest, agricultural, food, and industrial residues, e.g., eucalyptus [ 5 , 12 , 13 ], spruce [ 14 ], pinewood [ 9 , 15 ], poplar [ 16 ], cork powder [ 17 , 18 ], spent coffee beans [ 19 ], paper pulp sludge [ 11 ], swine manure [ 11 ], potato peels [ 20 , 21 ], wheat straw [ 14 , 22 , 23 ], and others.…”

Section: Introductionmentioning

confidence: 99%

Thermochemical Liquefaction as a Cleaner and Efficient Route for Valuing Pinewood Residues from Forest Fires

Gonçalves¹,

Orišková²,

Matos³

et al. 2021

Molecules

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Biomass thermochemical liquefaction is a chemical process with multifunctional bio-oil as its main product. Under this process, the complex structure of lignocellulosic components can be hydrolysed into smaller molecules at atmospheric pressure. This work demonstrates that the liquefaction of burned pinewood from forest fires delivers similar conversion rates into bio-oil as non-burned wood does. The bio-oils from four burned biomass fractions (heartwood, sapwood, branches, and bark) showed lower moisture content and higher HHV (ranging between 32.96 and 35.85 MJ/kg) than the initial biomasses. The increased HHV resulted from the loss of oxygen, whereas the carbon and hydrogen mass fractions increased. The highest conversion of bark and heartwood was achieved after 60 min of liquefaction. Sapwood, pinewood, and branches reached a slightly higher conversion, with yields about 8% greater, but with longer liquefaction time resulting in higher energy consumption. Additionally, the van Krevelen diagram indicated that the produced bio-oils were closer and chemically more compatible (in terms of hydrogen and oxygen content) to the hydrocarbon fuels than the initial biomass counterparts. In addition, bio-oil from burned pinewood was shown to be a viable alternative biofuel for heavy industrial applications. Overall, biomass from forest fires can be used for the liquefaction process without compromising its efficiency and performance. By doing so, it recovers part of the lost value caused by wildfires, mitigating their negative effects.

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“…However, the addition of substances with antibacterial properties confer the paints an efficient and fast response to the presence and potential development of microorganisms to the surfaces where the paints are applied. [ 1 ] The immobilization of different types of substances with antibacterial properties on paints has been successful, namely on acrylic water-based paints [ 2 ].…”

Section: Resultsmentioning

confidence: 99%

“…Several recent studies have proven the frequent contamination of different surfaces with pathogenic microorganisms and the contribution of this to infection spreading, indicating a potential risk and, in many cases, representing a public health issue. These studies have verified environmental contamination in places more prone to microorganisms’ spreading, such as healthcare facilities but also in public spaces such as schools, gyms, hotels, and public transportation [ 1 , 2 , 3 , 4 , 5 , 6 ].…”

Section: Introductionmentioning

confidence: 99%

Auto-Disinfectant Acrylic Paints Functionalised with Triclosan and Isoborneol—Antibacterial Assessment

Querido

Paulo²,

Hariharakrishnan³

et al. 2021

Polymers

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Environmental surface contamination with microorganisms is a serious concern worldwide. Triclosan and isoborneol present good antimicrobial activity. Their immobilisation to paint substrates allows for development of a material that stays effective over a longer time. In this work, we disclosed the preliminary studies to evaluate the antimicrobial activity of the active molecule after being functionalised with isocyanates for further immobilisation on the paint substrate. Overall, the newly developed non-release antimicrobial coating provides an effective way of preventing the spread of diseases and has been proven to inhibit bacterial growth and with a considerable antimicrobial activity towards S. aureus, E. coli, and K. variicola at the tested concentrations.

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Recovery of resistant bacteria from mattresses of patients under contact precautions

Cited by 12 publications

References 15 publications

Self-disinfecting surfaces and infection control

Self-disinfecting surfaces and infection control

Thermochemical Liquefaction as a Cleaner and Efficient Route for Valuing Pinewood Residues from Forest Fires

Auto-Disinfectant Acrylic Paints Functionalised with Triclosan and Isoborneol—Antibacterial Assessment

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