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1. Solar photo-Fenton disinfection of 11 antibiotic-resistant bacteria (ARB) and elimination of representative AR genes. Evidence that antibiotic resistance does not imply resistance to oxidative treatment

Author:
Giannakis, Stefanos; Le, Truong-Thien Melvin; Entenza, Jose Manuel; Pulgarin, Cesar
Source:
Water research 2018 v.143 pp. 334-345
ISSN:
0043-1354
Subject:
Escherichia coli; Klebsiella pneumoniae; Staphylococcus aureus; antibiotic resistance; bacteria; disinfection; experimental design; genes; human health; regrowth; solar radiation; wastewater
Abstract:
... The emergence of antibiotic resistance represents a major threat to human health. In this work we investigated the elimination of antibiotic resistant bacteria (ARB) by solar light and solar photo-Fenton processes. As such, we have designed an experimental plan in which several bacterial strains (Staphylococcus aureus, Escherichia coli and Klebsiella pneumoniae) possessing different drug-susceptib ...
DOI:
10.1016/j.watres.2018.06.062

2. Fast mineralization and detoxification of amoxicillin and diclofenac by photocatalytic ozonation and application to an urban wastewater

Author:
Moreira, Nuno F.F.; Orge, Carla A.; Ribeiro, Ana R.; Faria, Joaquim L.; Nunes, Olga C.; Pereira, M. Fernando R.; Silva, Adrián M.T.
Source:
Water research 2015 v.87 pp. 87-96
ISSN:
0043-1354
Subject:
Escherichia coli; Staphylococcus aureus; amoxicillin; aqueous solutions; carbon; diclofenac; drugs; growth retardation; hormones; microorganisms; mineralization; oxidation; ozonation; ozone; pesticides; photocatalysis; photolysis; pollutants; toxicity; vapors; wastewater
Abstract:
... The degradation of two organic pollutants (amoxicillin and diclofenac) in 0.1 mM aqueous solutions was studied by using advanced oxidation processes, namely ozonation, photolysis, photolytic ozonation, photocatalysis and photocatalytic ozonation. Diclofenac was degraded quickly under direct photolysis by artificial light (medium-pressure vapor arc, λexc > 300 nm), while amoxicillin remained very s ...
DOI:
10.1016/j.watres.2015.08.059