Graphene oxide decorated TiO
Photocatalytic disinfection of drinking water is habitually performed by an ultraviolet source that epitomizes only 4% of the total solar energy, increasing the cost and prolonging the whole process. Therefore, currently, functionalized nanomaterials are developed, which can pave the way for the uti...
Ausführliche Beschreibung
Autor*in: |
Ch-Th, Thomas [verfasserIn] Manisekaran, Ravichandran [verfasserIn] Santoyo-Salazar, Jaime [verfasserIn] Schoefs, B. [verfasserIn] Velumani, S. [verfasserIn] Castaneda, H. [verfasserIn] Jantrania, A. [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2021 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Journal of photochemistry and photobiology / A - New York, NY [u.a.] : Elsevier, 1987, 418 |
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Übergeordnetes Werk: |
volume:418 |
DOI / URN: |
10.1016/j.jphotochem.2021.113374 |
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Katalog-ID: |
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520 | |a Photocatalytic disinfection of drinking water is habitually performed by an ultraviolet source that epitomizes only 4% of the total solar energy, increasing the cost and prolonging the whole process. Therefore, currently, functionalized nanomaterials are developed, which can pave the way for the utilization of visible light, thereby speeding up the disinfection process in a cost-effective manner. In this study, we synthesized titanium dioxide (anatase) and bismuth vanadate (monoclinic) nanoparticles through the sol-gel technique. This is followed by a simple-blending process with graphene oxide (GO) to produce nanocomposites, such as GO/titanium dioxide (GOT) and bismuth vanadate (GOB), by varying the ratios of nanostructures accordingly and confirmed by different characterization techniques. 1.5 GOT and 1.5 GOB (nanocomposites of 1.5 wt.% GO with TiO2 and BiVO4 nanoparticles) showed enhanced inactivation efficiency of Escherichia coli (E.coli) K12 (model microorganism). Hydroxyl ( OH) and superoxide (O2 −) radicals were found to be responsible for producing reactive oxygen species (ROS), playing a crucial role in photocatalytic disinfection, which was evaluated through scavenger study. We attained disinfection of E.coli K12 having a concentration of 10 7 CFU/mL with a smaller quantity of 1.5 GOT (1.05 g/L), obtaining 99.9 % (3 log units) of inactivity in 30 min. while for 1.5 GOB (0.1 g/L) resulting in 89 % (<1 log units) disinfection in 60 min. under simulated visible-light. Here, we propose a green environmental technology for nanocatalysts' facile synthesis with enhanced disinfection of bacteria, which corroborates well with the possible mechanism. | ||
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650 | 4 | |a Titanium dioxide | |
650 | 4 | |a Bismuth vanadate | |
650 | 4 | |a Nanocomposite | |
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700 | 1 | |a Castaneda, H. |e verfasserin |4 aut | |
700 | 1 | |a Jantrania, A. |e verfasserin |4 aut | |
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10.1016/j.jphotochem.2021.113374 doi (DE-627)ELV006392946 (ELSEVIER)S1010-6030(21)00246-X DE-627 ger DE-627 rda eng 540 570 DE-600 BIODIV DE-30 fid 35.00 bkl Ch-Th, Thomas verfasserin aut Graphene oxide decorated TiO 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Photocatalytic disinfection of drinking water is habitually performed by an ultraviolet source that epitomizes only 4% of the total solar energy, increasing the cost and prolonging the whole process. Therefore, currently, functionalized nanomaterials are developed, which can pave the way for the utilization of visible light, thereby speeding up the disinfection process in a cost-effective manner. In this study, we synthesized titanium dioxide (anatase) and bismuth vanadate (monoclinic) nanoparticles through the sol-gel technique. This is followed by a simple-blending process with graphene oxide (GO) to produce nanocomposites, such as GO/titanium dioxide (GOT) and bismuth vanadate (GOB), by varying the ratios of nanostructures accordingly and confirmed by different characterization techniques. 1.5 GOT and 1.5 GOB (nanocomposites of 1.5 wt.% GO with TiO2 and BiVO4 nanoparticles) showed enhanced inactivation efficiency of Escherichia coli (E.coli) K12 (model microorganism). Hydroxyl ( OH) and superoxide (O2 −) radicals were found to be responsible for producing reactive oxygen species (ROS), playing a crucial role in photocatalytic disinfection, which was evaluated through scavenger study. We attained disinfection of E.coli K12 having a concentration of 10 7 CFU/mL with a smaller quantity of 1.5 GOT (1.05 g/L), obtaining 99.9 % (3 log units) of inactivity in 30 min. while for 1.5 GOB (0.1 g/L) resulting in 89 % (<1 log units) disinfection in 60 min. under simulated visible-light. Here, we propose a green environmental technology for nanocatalysts' facile synthesis with enhanced disinfection of bacteria, which corroborates well with the possible mechanism. Graphene oxide Titanium dioxide Bismuth vanadate Nanocomposite Manisekaran, Ravichandran verfasserin (orcid)0000-0002-2934-0717 aut Santoyo-Salazar, Jaime verfasserin (orcid)0000-0003-3051-7118 aut Schoefs, B. verfasserin (orcid)0000-0002-7804-8130 aut Velumani, S. verfasserin (orcid)0000-0002-0998-7900 aut Castaneda, H. verfasserin aut Jantrania, A. verfasserin aut Enthalten in Journal of photochemistry and photobiology / A New York, NY [u.a.] : Elsevier, 1987 418 Online-Ressource (DE-627)302718087 (DE-600)1491828-6 (DE-576)255266642 nnns volume:418 GBV_USEFLAG_U SYSFLAG_U GBV_ELV FID-BIODIV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 418 |
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10.1016/j.jphotochem.2021.113374 doi (DE-627)ELV006392946 (ELSEVIER)S1010-6030(21)00246-X DE-627 ger DE-627 rda eng 540 570 DE-600 BIODIV DE-30 fid 35.00 bkl Ch-Th, Thomas verfasserin aut Graphene oxide decorated TiO 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Photocatalytic disinfection of drinking water is habitually performed by an ultraviolet source that epitomizes only 4% of the total solar energy, increasing the cost and prolonging the whole process. Therefore, currently, functionalized nanomaterials are developed, which can pave the way for the utilization of visible light, thereby speeding up the disinfection process in a cost-effective manner. In this study, we synthesized titanium dioxide (anatase) and bismuth vanadate (monoclinic) nanoparticles through the sol-gel technique. This is followed by a simple-blending process with graphene oxide (GO) to produce nanocomposites, such as GO/titanium dioxide (GOT) and bismuth vanadate (GOB), by varying the ratios of nanostructures accordingly and confirmed by different characterization techniques. 1.5 GOT and 1.5 GOB (nanocomposites of 1.5 wt.% GO with TiO2 and BiVO4 nanoparticles) showed enhanced inactivation efficiency of Escherichia coli (E.coli) K12 (model microorganism). Hydroxyl ( OH) and superoxide (O2 −) radicals were found to be responsible for producing reactive oxygen species (ROS), playing a crucial role in photocatalytic disinfection, which was evaluated through scavenger study. We attained disinfection of E.coli K12 having a concentration of 10 7 CFU/mL with a smaller quantity of 1.5 GOT (1.05 g/L), obtaining 99.9 % (3 log units) of inactivity in 30 min. while for 1.5 GOB (0.1 g/L) resulting in 89 % (<1 log units) disinfection in 60 min. under simulated visible-light. Here, we propose a green environmental technology for nanocatalysts' facile synthesis with enhanced disinfection of bacteria, which corroborates well with the possible mechanism. Graphene oxide Titanium dioxide Bismuth vanadate Nanocomposite Manisekaran, Ravichandran verfasserin (orcid)0000-0002-2934-0717 aut Santoyo-Salazar, Jaime verfasserin (orcid)0000-0003-3051-7118 aut Schoefs, B. verfasserin (orcid)0000-0002-7804-8130 aut Velumani, S. verfasserin (orcid)0000-0002-0998-7900 aut Castaneda, H. verfasserin aut Jantrania, A. verfasserin aut Enthalten in Journal of photochemistry and photobiology / A New York, NY [u.a.] : Elsevier, 1987 418 Online-Ressource (DE-627)302718087 (DE-600)1491828-6 (DE-576)255266642 nnns volume:418 GBV_USEFLAG_U SYSFLAG_U GBV_ELV FID-BIODIV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 418 |
allfields_unstemmed |
10.1016/j.jphotochem.2021.113374 doi (DE-627)ELV006392946 (ELSEVIER)S1010-6030(21)00246-X DE-627 ger DE-627 rda eng 540 570 DE-600 BIODIV DE-30 fid 35.00 bkl Ch-Th, Thomas verfasserin aut Graphene oxide decorated TiO 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Photocatalytic disinfection of drinking water is habitually performed by an ultraviolet source that epitomizes only 4% of the total solar energy, increasing the cost and prolonging the whole process. Therefore, currently, functionalized nanomaterials are developed, which can pave the way for the utilization of visible light, thereby speeding up the disinfection process in a cost-effective manner. In this study, we synthesized titanium dioxide (anatase) and bismuth vanadate (monoclinic) nanoparticles through the sol-gel technique. This is followed by a simple-blending process with graphene oxide (GO) to produce nanocomposites, such as GO/titanium dioxide (GOT) and bismuth vanadate (GOB), by varying the ratios of nanostructures accordingly and confirmed by different characterization techniques. 1.5 GOT and 1.5 GOB (nanocomposites of 1.5 wt.% GO with TiO2 and BiVO4 nanoparticles) showed enhanced inactivation efficiency of Escherichia coli (E.coli) K12 (model microorganism). Hydroxyl ( OH) and superoxide (O2 −) radicals were found to be responsible for producing reactive oxygen species (ROS), playing a crucial role in photocatalytic disinfection, which was evaluated through scavenger study. We attained disinfection of E.coli K12 having a concentration of 10 7 CFU/mL with a smaller quantity of 1.5 GOT (1.05 g/L), obtaining 99.9 % (3 log units) of inactivity in 30 min. while for 1.5 GOB (0.1 g/L) resulting in 89 % (<1 log units) disinfection in 60 min. under simulated visible-light. Here, we propose a green environmental technology for nanocatalysts' facile synthesis with enhanced disinfection of bacteria, which corroborates well with the possible mechanism. Graphene oxide Titanium dioxide Bismuth vanadate Nanocomposite Manisekaran, Ravichandran verfasserin (orcid)0000-0002-2934-0717 aut Santoyo-Salazar, Jaime verfasserin (orcid)0000-0003-3051-7118 aut Schoefs, B. verfasserin (orcid)0000-0002-7804-8130 aut Velumani, S. verfasserin (orcid)0000-0002-0998-7900 aut Castaneda, H. verfasserin aut Jantrania, A. verfasserin aut Enthalten in Journal of photochemistry and photobiology / A New York, NY [u.a.] : Elsevier, 1987 418 Online-Ressource (DE-627)302718087 (DE-600)1491828-6 (DE-576)255266642 nnns volume:418 GBV_USEFLAG_U SYSFLAG_U GBV_ELV FID-BIODIV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 418 |
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10.1016/j.jphotochem.2021.113374 doi (DE-627)ELV006392946 (ELSEVIER)S1010-6030(21)00246-X DE-627 ger DE-627 rda eng 540 570 DE-600 BIODIV DE-30 fid 35.00 bkl Ch-Th, Thomas verfasserin aut Graphene oxide decorated TiO 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Photocatalytic disinfection of drinking water is habitually performed by an ultraviolet source that epitomizes only 4% of the total solar energy, increasing the cost and prolonging the whole process. Therefore, currently, functionalized nanomaterials are developed, which can pave the way for the utilization of visible light, thereby speeding up the disinfection process in a cost-effective manner. In this study, we synthesized titanium dioxide (anatase) and bismuth vanadate (monoclinic) nanoparticles through the sol-gel technique. This is followed by a simple-blending process with graphene oxide (GO) to produce nanocomposites, such as GO/titanium dioxide (GOT) and bismuth vanadate (GOB), by varying the ratios of nanostructures accordingly and confirmed by different characterization techniques. 1.5 GOT and 1.5 GOB (nanocomposites of 1.5 wt.% GO with TiO2 and BiVO4 nanoparticles) showed enhanced inactivation efficiency of Escherichia coli (E.coli) K12 (model microorganism). Hydroxyl ( OH) and superoxide (O2 −) radicals were found to be responsible for producing reactive oxygen species (ROS), playing a crucial role in photocatalytic disinfection, which was evaluated through scavenger study. We attained disinfection of E.coli K12 having a concentration of 10 7 CFU/mL with a smaller quantity of 1.5 GOT (1.05 g/L), obtaining 99.9 % (3 log units) of inactivity in 30 min. while for 1.5 GOB (0.1 g/L) resulting in 89 % (<1 log units) disinfection in 60 min. under simulated visible-light. Here, we propose a green environmental technology for nanocatalysts' facile synthesis with enhanced disinfection of bacteria, which corroborates well with the possible mechanism. Graphene oxide Titanium dioxide Bismuth vanadate Nanocomposite Manisekaran, Ravichandran verfasserin (orcid)0000-0002-2934-0717 aut Santoyo-Salazar, Jaime verfasserin (orcid)0000-0003-3051-7118 aut Schoefs, B. verfasserin (orcid)0000-0002-7804-8130 aut Velumani, S. verfasserin (orcid)0000-0002-0998-7900 aut Castaneda, H. verfasserin aut Jantrania, A. verfasserin aut Enthalten in Journal of photochemistry and photobiology / A New York, NY [u.a.] : Elsevier, 1987 418 Online-Ressource (DE-627)302718087 (DE-600)1491828-6 (DE-576)255266642 nnns volume:418 GBV_USEFLAG_U SYSFLAG_U GBV_ELV FID-BIODIV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 418 |
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10.1016/j.jphotochem.2021.113374 doi (DE-627)ELV006392946 (ELSEVIER)S1010-6030(21)00246-X DE-627 ger DE-627 rda eng 540 570 DE-600 BIODIV DE-30 fid 35.00 bkl Ch-Th, Thomas verfasserin aut Graphene oxide decorated TiO 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Photocatalytic disinfection of drinking water is habitually performed by an ultraviolet source that epitomizes only 4% of the total solar energy, increasing the cost and prolonging the whole process. Therefore, currently, functionalized nanomaterials are developed, which can pave the way for the utilization of visible light, thereby speeding up the disinfection process in a cost-effective manner. In this study, we synthesized titanium dioxide (anatase) and bismuth vanadate (monoclinic) nanoparticles through the sol-gel technique. This is followed by a simple-blending process with graphene oxide (GO) to produce nanocomposites, such as GO/titanium dioxide (GOT) and bismuth vanadate (GOB), by varying the ratios of nanostructures accordingly and confirmed by different characterization techniques. 1.5 GOT and 1.5 GOB (nanocomposites of 1.5 wt.% GO with TiO2 and BiVO4 nanoparticles) showed enhanced inactivation efficiency of Escherichia coli (E.coli) K12 (model microorganism). Hydroxyl ( OH) and superoxide (O2 −) radicals were found to be responsible for producing reactive oxygen species (ROS), playing a crucial role in photocatalytic disinfection, which was evaluated through scavenger study. We attained disinfection of E.coli K12 having a concentration of 10 7 CFU/mL with a smaller quantity of 1.5 GOT (1.05 g/L), obtaining 99.9 % (3 log units) of inactivity in 30 min. while for 1.5 GOB (0.1 g/L) resulting in 89 % (<1 log units) disinfection in 60 min. under simulated visible-light. Here, we propose a green environmental technology for nanocatalysts' facile synthesis with enhanced disinfection of bacteria, which corroborates well with the possible mechanism. Graphene oxide Titanium dioxide Bismuth vanadate Nanocomposite Manisekaran, Ravichandran verfasserin (orcid)0000-0002-2934-0717 aut Santoyo-Salazar, Jaime verfasserin (orcid)0000-0003-3051-7118 aut Schoefs, B. verfasserin (orcid)0000-0002-7804-8130 aut Velumani, S. verfasserin (orcid)0000-0002-0998-7900 aut Castaneda, H. verfasserin aut Jantrania, A. verfasserin aut Enthalten in Journal of photochemistry and photobiology / A New York, NY [u.a.] : Elsevier, 1987 418 Online-Ressource (DE-627)302718087 (DE-600)1491828-6 (DE-576)255266642 nnns volume:418 GBV_USEFLAG_U SYSFLAG_U GBV_ELV FID-BIODIV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.00 Chemie: Allgemeines AR 418 |
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Ch-Th, Thomas ddc 540 fid BIODIV bkl 35.00 misc Graphene oxide misc Titanium dioxide misc Bismuth vanadate misc Nanocomposite Graphene oxide decorated TiO |
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abstract |
Photocatalytic disinfection of drinking water is habitually performed by an ultraviolet source that epitomizes only 4% of the total solar energy, increasing the cost and prolonging the whole process. Therefore, currently, functionalized nanomaterials are developed, which can pave the way for the utilization of visible light, thereby speeding up the disinfection process in a cost-effective manner. In this study, we synthesized titanium dioxide (anatase) and bismuth vanadate (monoclinic) nanoparticles through the sol-gel technique. This is followed by a simple-blending process with graphene oxide (GO) to produce nanocomposites, such as GO/titanium dioxide (GOT) and bismuth vanadate (GOB), by varying the ratios of nanostructures accordingly and confirmed by different characterization techniques. 1.5 GOT and 1.5 GOB (nanocomposites of 1.5 wt.% GO with TiO2 and BiVO4 nanoparticles) showed enhanced inactivation efficiency of Escherichia coli (E.coli) K12 (model microorganism). Hydroxyl ( OH) and superoxide (O2 −) radicals were found to be responsible for producing reactive oxygen species (ROS), playing a crucial role in photocatalytic disinfection, which was evaluated through scavenger study. We attained disinfection of E.coli K12 having a concentration of 10 7 CFU/mL with a smaller quantity of 1.5 GOT (1.05 g/L), obtaining 99.9 % (3 log units) of inactivity in 30 min. while for 1.5 GOB (0.1 g/L) resulting in 89 % (<1 log units) disinfection in 60 min. under simulated visible-light. Here, we propose a green environmental technology for nanocatalysts' facile synthesis with enhanced disinfection of bacteria, which corroborates well with the possible mechanism. |
abstractGer |
Photocatalytic disinfection of drinking water is habitually performed by an ultraviolet source that epitomizes only 4% of the total solar energy, increasing the cost and prolonging the whole process. Therefore, currently, functionalized nanomaterials are developed, which can pave the way for the utilization of visible light, thereby speeding up the disinfection process in a cost-effective manner. In this study, we synthesized titanium dioxide (anatase) and bismuth vanadate (monoclinic) nanoparticles through the sol-gel technique. This is followed by a simple-blending process with graphene oxide (GO) to produce nanocomposites, such as GO/titanium dioxide (GOT) and bismuth vanadate (GOB), by varying the ratios of nanostructures accordingly and confirmed by different characterization techniques. 1.5 GOT and 1.5 GOB (nanocomposites of 1.5 wt.% GO with TiO2 and BiVO4 nanoparticles) showed enhanced inactivation efficiency of Escherichia coli (E.coli) K12 (model microorganism). Hydroxyl ( OH) and superoxide (O2 −) radicals were found to be responsible for producing reactive oxygen species (ROS), playing a crucial role in photocatalytic disinfection, which was evaluated through scavenger study. We attained disinfection of E.coli K12 having a concentration of 10 7 CFU/mL with a smaller quantity of 1.5 GOT (1.05 g/L), obtaining 99.9 % (3 log units) of inactivity in 30 min. while for 1.5 GOB (0.1 g/L) resulting in 89 % (<1 log units) disinfection in 60 min. under simulated visible-light. Here, we propose a green environmental technology for nanocatalysts' facile synthesis with enhanced disinfection of bacteria, which corroborates well with the possible mechanism. |
abstract_unstemmed |
Photocatalytic disinfection of drinking water is habitually performed by an ultraviolet source that epitomizes only 4% of the total solar energy, increasing the cost and prolonging the whole process. Therefore, currently, functionalized nanomaterials are developed, which can pave the way for the utilization of visible light, thereby speeding up the disinfection process in a cost-effective manner. In this study, we synthesized titanium dioxide (anatase) and bismuth vanadate (monoclinic) nanoparticles through the sol-gel technique. This is followed by a simple-blending process with graphene oxide (GO) to produce nanocomposites, such as GO/titanium dioxide (GOT) and bismuth vanadate (GOB), by varying the ratios of nanostructures accordingly and confirmed by different characterization techniques. 1.5 GOT and 1.5 GOB (nanocomposites of 1.5 wt.% GO with TiO2 and BiVO4 nanoparticles) showed enhanced inactivation efficiency of Escherichia coli (E.coli) K12 (model microorganism). Hydroxyl ( OH) and superoxide (O2 −) radicals were found to be responsible for producing reactive oxygen species (ROS), playing a crucial role in photocatalytic disinfection, which was evaluated through scavenger study. We attained disinfection of E.coli K12 having a concentration of 10 7 CFU/mL with a smaller quantity of 1.5 GOT (1.05 g/L), obtaining 99.9 % (3 log units) of inactivity in 30 min. while for 1.5 GOB (0.1 g/L) resulting in 89 % (<1 log units) disinfection in 60 min. under simulated visible-light. Here, we propose a green environmental technology for nanocatalysts' facile synthesis with enhanced disinfection of bacteria, which corroborates well with the possible mechanism. |
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Graphene oxide decorated TiO |
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Manisekaran, Ravichandran Santoyo-Salazar, Jaime Schoefs, B. Velumani, S. Castaneda, H. Jantrania, A. |
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score |
7.4000406 |