Effect of APTES modified TiO 2 on antioxidant enzymes activity secreted by Escherichia coli and Staphylococcus epidermidis
In this work, the impact of APTES-modified TiO photocatalysts on antioxidant enzymes (catalase and superoxide dismutase) activity secreted by bacteria was presented. Microbial tests has been examined using Escherichia coli (ATCC 29425) and Staphylococcus epidermidis (ATCC 49461) as model organisms....
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| Veröffentlicht in: | Biochemical and biophysical research communications 2021-01, Vol.534, p.1064 |
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| container_title | Biochemical and biophysical research communications |
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| creator | Rokicka-Konieczna, Paulina Wanag, Agnieszka Sienkiewicz, Agnieszka Kusiak-Nejman, Ewelina Morawski, Antoni W |
| description | In this work, the impact of APTES-modified TiO
photocatalysts on antioxidant enzymes (catalase and superoxide dismutase) activity secreted by bacteria was presented. Microbial tests has been examined using Escherichia coli (ATCC 29425) and Staphylococcus epidermidis (ATCC 49461) as model organisms. It was found that APTES-TiO
affected the activity of antioxidant enzymes. Additionally, obtained APTES-TiO
photocatalysts were capable of total E. coli and S. epidermidis inactivation under artificial solar light irradiation. The sample modified with the concentration of APTES equals 300 mM (TiO
-4h-120°C-300mM) showed the strongest photocatalytic activity toward both bacteria species. The two-stage photocatalytic mechanism of bacteria response to photocatalysts was proposed. |
| doi_str_mv | 10.1016/j.bbrc.2020.10.034 |
| format | Article |
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photocatalysts on antioxidant enzymes (catalase and superoxide dismutase) activity secreted by bacteria was presented. Microbial tests has been examined using Escherichia coli (ATCC 29425) and Staphylococcus epidermidis (ATCC 49461) as model organisms. It was found that APTES-TiO
affected the activity of antioxidant enzymes. Additionally, obtained APTES-TiO
photocatalysts were capable of total E. coli and S. epidermidis inactivation under artificial solar light irradiation. The sample modified with the concentration of APTES equals 300 mM (TiO
-4h-120°C-300mM) showed the strongest photocatalytic activity toward both bacteria species. The two-stage photocatalytic mechanism of bacteria response to photocatalysts was proposed.</description><identifier>EISSN: 1090-2104</identifier><identifier>DOI: 10.1016/j.bbrc.2020.10.034</identifier><identifier>PMID: 33092791</identifier><language>eng</language><publisher>United States</publisher><subject>Catalase - metabolism ; Catalysis - radiation effects ; Disinfection ; Enzyme Activation - radiation effects ; Escherichia coli - cytology ; Escherichia coli - enzymology ; Escherichia coli - radiation effects ; Light ; Microbial Viability - radiation effects ; Oxidative Stress - radiation effects ; Photochemical Processes - radiation effects ; Propylamines - chemistry ; Silanes - chemistry ; Staphylococcus epidermidis - cytology ; Staphylococcus epidermidis - enzymology ; Staphylococcus epidermidis - radiation effects ; Superoxide Dismutase - metabolism ; Titanium - chemistry</subject><ispartof>Biochemical and biophysical research communications, 2021-01, Vol.534, p.1064</ispartof><rights>Copyright © 2020 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33092791$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Rokicka-Konieczna, Paulina</creatorcontrib><creatorcontrib>Wanag, Agnieszka</creatorcontrib><creatorcontrib>Sienkiewicz, Agnieszka</creatorcontrib><creatorcontrib>Kusiak-Nejman, Ewelina</creatorcontrib><creatorcontrib>Morawski, Antoni W</creatorcontrib><title>Effect of APTES modified TiO 2 on antioxidant enzymes activity secreted by Escherichia coli and Staphylococcus epidermidis</title><title>Biochemical and biophysical research communications</title><addtitle>Biochem Biophys Res Commun</addtitle><description>In this work, the impact of APTES-modified TiO
photocatalysts on antioxidant enzymes (catalase and superoxide dismutase) activity secreted by bacteria was presented. Microbial tests has been examined using Escherichia coli (ATCC 29425) and Staphylococcus epidermidis (ATCC 49461) as model organisms. It was found that APTES-TiO
affected the activity of antioxidant enzymes. Additionally, obtained APTES-TiO
photocatalysts were capable of total E. coli and S. epidermidis inactivation under artificial solar light irradiation. The sample modified with the concentration of APTES equals 300 mM (TiO
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photocatalysts on antioxidant enzymes (catalase and superoxide dismutase) activity secreted by bacteria was presented. Microbial tests has been examined using Escherichia coli (ATCC 29425) and Staphylococcus epidermidis (ATCC 49461) as model organisms. It was found that APTES-TiO
affected the activity of antioxidant enzymes. Additionally, obtained APTES-TiO
photocatalysts were capable of total E. coli and S. epidermidis inactivation under artificial solar light irradiation. The sample modified with the concentration of APTES equals 300 mM (TiO
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| ispartof | Biochemical and biophysical research communications, 2021-01, Vol.534, p.1064 |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Catalase - metabolism Catalysis - radiation effects Disinfection Enzyme Activation - radiation effects Escherichia coli - cytology Escherichia coli - enzymology Escherichia coli - radiation effects Light Microbial Viability - radiation effects Oxidative Stress - radiation effects Photochemical Processes - radiation effects Propylamines - chemistry Silanes - chemistry Staphylococcus epidermidis - cytology Staphylococcus epidermidis - enzymology Staphylococcus epidermidis - radiation effects Superoxide Dismutase - metabolism Titanium - chemistry |
| title | Effect of APTES modified TiO 2 on antioxidant enzymes activity secreted by Escherichia coli and Staphylococcus epidermidis |
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