AgACTiO2 nanoparticles with microbiocide properties under visible light

被引：4

作者：

Caro, Carlos ^{[1
,2
]}

Gamez, Francisco ^{[1
]}

Jesus Sayagues, Maria ^{[3
]}

Polvillo, Rocio ^{[4
]}

Luis Royo, Jose ^{[4
,5
]}

机构：

[1] Univ Pablo Olavide, Dept Phys Chem & Nat Syst, E-41013 Seville, Spain

[2] Univ Nova Lisboa, Fac Ciencias & Tecnol, Dept Chem, P-2829516 Caparica, Portugal

[3] USE, CSIC, Inst Mat Sci, E-41092 Seville, Spain

[4] Univ Pablo Olavide, Andalusian Ctr Dev Biol CABD, E-41013 Seville, Spain

[5] Univ Lleida, Inst Reserca Biomed Lleida, Dept Basic Med Sci, E-25198 Lleida, Spain

来源：

MATERIALS RESEARCH EXPRESS | 2015年 / 2卷 / 05期

关键词：

mixed nanoestructure; biocide nanomaterial; surface analysis; MESOPOROUS TIO2; WATER; DEGRADATION; COMPOSITE; NANOTUBES; OXIDATION; BACTERIA; BEHAVIOR; REMOVAL; TITANIA;

D O I：

10.1088/2053-1591/2/5/055002

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new nanostructure based on TiO2, activated carbon and silver nanoparticles is synthesized in this work. The optical and morphological characterization of the nanoparticles is performed with well-established physicochemical-techniques. The photocatalytic properties of TiO2 are improved with activated carbon and extended to visible radiation with a silver nanoparticles doping. The synergy of the three materials to enhance biocide activity is successfully demonstrated in vitro in cultures of bacteria and algae and in aquatic controlled environments. This activity is supposed to be due to the augmentation in the superoxide and hydroxyl radicals in the presence of activated charcoal.

引用

页数：10

共 46 条

[1] Lasting antibacterial activities of Ag-TiO2/Ag/a-TiO2 nanocomposite thin film photocatalysts under solar light irradiation
Akhavan, O.
[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2009, 336 (01) : 117 - 124
[2] Preparation of titania/carbon nanotube composites using supercritical ethanol and their photocatalytic activity for phenol degradation under visible light irradiation
An, Guimin
Ma, Wanhong
Sun, Zhenyu
Liu, Zhimin
Han, Buxing
Miao, Shiding
Miao, Zhenjiang
Ding, Kunlun
[J]. CARBON, 2007, 45 (09) : 1795 - 1801
[3] Double-doped TiO2 nanoparticles as an efficient visible-light-active photocatalyst and antibacterial agent under solar simulated light
Ashkarran, Ali Akbar
Hamidinezhad, Habib
Haddadi, Hedayat
Mahmoudi, Morteza
[J]. APPLIED SURFACE SCIENCE, 2014, 301 : 338 - 345
[4] Ag/TiO2/β-CD nano composite: Preparation and photo catalytic properties for methylene blue degradation
Attarchi, N.
Montazer, M.
Toliyat, T.
[J]. APPLIED CATALYSIS A-GENERAL, 2013, 467 : 107 - 116
[5] In vitro bactericidal and TEM study of the interaction of Ag-modified titania with coliform bacteria
Bano, Ishrat
Kumar, R. Vasant
Hameed, Abdul
[J]. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH, 2013, 23 (05) : 407 - 418
[6] Plasmonic Dye-Sensitized Solar Cells Using Core-Shell Metal-Insulator Nanoparticles
Brown, Michael D.
Suteewong, Teeraporn
Kumar, R. Sai Santosh
D'Innocenzo, Valerio
Petrozza, Annamaria
Lee, Michael M.
Wiesner, Ulrich
Snaith, Henry J.
[J]. NANO LETTERS, 2011, 11 (02) : 438 - 445
[7] IMPROVED DETERMINATION OF CHEMICAL OXYGEN DEMAND IN WATER AND WASTES BY A SIMPLIFIED ACID DICHROMATE DIGESTION
CANELLI, E
MITCHELL, DG
PAUSE, RW
[J]. WATER RESEARCH, 1976, 10 (04) : 351 - 355
[8] Trends and challenges of refractometric nanoplasmonic biosensors: A review
Carmen Estevez, M.
Otte, Marinus A.
Sepulveda, Borja
Lechuga, Laura M.
[J]. ANALYTICA CHIMICA ACTA, 2014, 806 : 55 - 73
[9] Photocatalytic production of 1O2 and •OH mediated by silver oxidation during the photoinactivation of Escherichia coli with TiO2
Castro, Camilo A.
Osorio, Paula
Sienkiewicz, Andrzej
Pulgarin, Cesar
Centeno, Aristobulo
Giraldo, Sonia A.
[J]. JOURNAL OF HAZARDOUS MATERIALS, 2012, 211 : 172 - 181
[10] Daigaku Y., 2012, Genes and environment: the ocial journal of the Japanese Environmental Mutagen Society, V34, P77

← 1 2 3 4 5 →