Efficacy of radiant catalytic ionization to reduce bacterial populations in air and on different surfaces

Skowron, Krzysztof; Grudlewska, Katarzyna; Kwiecińska-Piróg, Joanna; Gryń, Grzegorz; Śrutek, Mścisław; Gospodarek‐Komkowska, Eugenia

doi:10.1016/j.scitotenv.2017.08.032

Cited by 19 publications

(36 citation statements)

References 24 publications

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“…Our previous study (Skowron et al . ) confirmed the effectiveness of RCI towards many microbial species, including L. monocytogenes , applied in planktonic form on abiotic surfaces. The effectiveness of photo‐oxidation towards L. monocytogenes on the steel surface was also shown by Saini et al .…”

Section: Discussionsupporting

confidence: 61%

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The effectiveness of radiant catalytic ionization in inactivation ofListeria monocytogenesplanktonic and biofilm cells from food and food contact surfaces as a method of food preservation

et al. 2018

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Searching of new actions aimed at the reduction of the microbial contamination of food and food contact surfaces are extremely important. RCI method has been already described as an effective technique of microbial and abiotic pollution removal from air. However, our studies provide new, additional data related to evaluation the RCI efficacy against microbes on different surfaces, both in planktonic and biofilm form.

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Section: Discussionsupporting

confidence: 61%

“…Also, our previous study (Skowron et al . ) has shown the effectiveness of RCI on airborne micro‐organisms. The full elimination of micro‐organisms from the air was obtained in the case of Escherichia coli and Candida albicans .…”

Section: Discussionmentioning

confidence: 99%

The effectiveness of radiant catalytic ionization in inactivation ofListeria monocytogenesplanktonic and biofilm cells from food and food contact surfaces as a method of food preservation

et al. 2018

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“…The antimicrobial efficiency of RCI is attributed to the cell damaging effect of oxidative gases, including ozone and peroxide, generated by the RCI cell [25,28]. The inhibition of pathogenic microorganisms on various surfaces was confirmed by our previous studies [8,26,27]. The reduction rate of the L. monocytogenes number in biofilms formed on different surfaces (rubber, milled rock tiles, polypropylene) varied from 3.92% to 70.10%, whereas in the case of stainless steel AISI 304 and lacquered veneer surfaces, up to 95% of L. monocytogenes and S. Enteritidis were reduced [26].…”

Section: Discussionsupporting

confidence: 61%

“…Since many foodborne human pathogens are able to form biofilm on various surfaces, widely used in the food processing environment, the risk of food cross-contamination during production increases. Many pathogenic bacteria are known to adhere to, and subsequently, form biofilm on the food and food contact surfaces, such as stainless steel, plastic, glass, or rubber [8,11,12,26,27,31,32]. In the present study, all the tested species formed biofilm on the glass surface after 72 h at 4 • C. The strongest biofilm was observed for S. Enteritidis.…”

Section: Discussionsupporting

confidence: 46%

“…On the contrary, in the study by Osaili et al [42], L. monocytogenes showed higher radiation sensitivity than Salmonella spp. Skowron et al [27] noted a similar level of L. monocytogenes and S. Enteritidis reduction after RCI treatment. Mannozzi et al [28] observed lower sensitivity of Escherichia coli, as compared to Listeria innocua and S. Typhimurium after 60 min of RCI treatment; however, after 90 min no differences were reported.…”

Section: Discussionmentioning

confidence: 84%

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The Antimicrobial Effect of Radiant Catalytic Ionization on the Bacterial Attachment and Biofilm Formation by Selected Foodborne Pathogens under Refrigeration Conditions

Skowron

Bauza-Kaszewska

et al. 2020

Applied Sciences

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The decontamination of food contact surfaces is a major problem for the food industry. The radiant catalytic ionization (RCI) method, based on the ionization process, may be an alternative for conventional decontamination procedures. The advantage of this technique is the possibility of its application to household refrigerating appliances and industrial cold rooms. This study aimed to assess the effect of RCI on the reduction of Campylobacter jejuni, Listeria monocytogenes, and Salmonella Enteritidis from the biofilms formed on a glass surface under refrigeration conditions. Bacterial biofilms were exposed to RCI for 24 h and after 12 (variant I) and 72 h (variant II) of the glass surface contamination. In the last variant (III), the contaminated meat was placed on the glass surface in the refrigerator and subjected to RCI treatment for 72 h. The significantly highest values of absolute reduction efficiency coefficient E were found for the bacterial attachment stage of biofilm formation (variant I). The research proves the efficiency of the RCI method in the reduction of bacteria number from a glass surface.

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Analysis of the results of empirical research and surveys of perceived indoor temperature depending on gender and seasons

Sulewska

Gładyszewska-Fiedoruk

Sztulc³

2018

Environ Sci Pollut Res

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The indoor thermal condition tests were conducted as real and declared by the respondents. The tests were carried out in the laboratory room in Bialystok. The object is a detached, two-storey building with a cellar. The tests were carried out from February to May 2015. In 1 week, on average, ten measurement series were carried out. During one experiment series, there were between 10 and 15 students present in the room. The aim of the publication is to analyze the results of declared perceived temperature tests in the room depending on the gender, the season and indoor and outdoor temperature conditions. On the basis of statistical analysis of the test results, it was found that in the analyzed age group, the perceived temperature declared in the room is not affected by the respondent's gender. The conclusion is that the temperature sensations of young (and probably healthy) people who do not do physical work are similar, regardless of gender. Differences between the average perceived temperature in the room, declared by all respondents in winter and declared in spring are statistically significant. The indoor perceived temperature declared in the winter is almost constant and does not depend on the temperature of the perceived temperature of outdoor air.

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Efficacy of radiant catalytic ionization to reduce bacterial populations in air and on different surfaces

Cited by 19 publications

References 24 publications

The effectiveness of radiant catalytic ionization in inactivation ofListeria monocytogenesplanktonic and biofilm cells from food and food contact surfaces as a method of food preservation

The effectiveness of radiant catalytic ionization in inactivation ofListeria monocytogenesplanktonic and biofilm cells from food and food contact surfaces as a method of food preservation

The Antimicrobial Effect of Radiant Catalytic Ionization on the Bacterial Attachment and Biofilm Formation by Selected Foodborne Pathogens under Refrigeration Conditions

Analysis of the results of empirical research and surveys of perceived indoor temperature depending on gender and seasons

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