The use of photocatalysis to improve the biodegradability of an antibiotic compound, tetracycline (TC) was investigated. The toxicity of TC and its degradation products were also examined. The Sturm test was conducted to assess the biodegradability of by-products formed in the photocatalytic process. The toxicity of tetracycline and its by-products was evaluated using a dehydrogenase inhibition test, which showed a decrease in toxicity during photocatalysis. However, the Sturm test results indicated that, like tetracycline, the by-products are not biodegradable. Possible structures of these by-products were determined using liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS). It was found that, during the photocatalytic process, the TC aromatic ring is not opened and the structure of the identified by-products is quite similar to that of tetracycline. A reaction pathway is proposed. (C) 2012 Elsevier B.V. All rights reserved.
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Univ Naples Federico II, Fac Ingn, Dipartimento Ingn Chim, I-80125 Naples, ItalyUniv Naples Federico II, Fac Ingn, Dipartimento Ingn Chim, I-80125 Naples, Italy
Di Somma, Ilaria
;
Marotta, Raffaele
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Univ Naples Federico II, Fac Ingn, Dipartimento Ingn Chim, I-80125 Naples, ItalyUniv Naples Federico II, Fac Ingn, Dipartimento Ingn Chim, I-80125 Naples, Italy
Marotta, Raffaele
;
Pinto, Gabriele
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Univ Naples Federico II, Fac Sci, Dipartimento Biol, I-80125 Naples, ItalyUniv Naples Federico II, Fac Ingn, Dipartimento Ingn Chim, I-80125 Naples, Italy
Pinto, Gabriele
;
Pollio, Antonino
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Univ Naples Federico II, Fac Sci, Dipartimento Biol, I-80125 Naples, ItalyUniv Naples Federico II, Fac Ingn, Dipartimento Ingn Chim, I-80125 Naples, Italy
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Univ Paris Est, Lab Geomat & Geol Ingenieur G2I, F-77454 Marne La Vallee 2, FranceUniv Paris Est, Lab Geomat & Geol Ingenieur G2I, F-77454 Marne La Vallee 2, France
Balci, Beytul
;
Oturan, Nihal
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Univ Paris Est, Lab Geomat & Geol Ingenieur G2I, F-77454 Marne La Vallee 2, FranceUniv Paris Est, Lab Geomat & Geol Ingenieur G2I, F-77454 Marne La Vallee 2, France
Oturan, Nihal
;
Cherrier, Richard
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INRA, INPL, Lab Sols & Environm ENSAIA, UMR 1120, F-54505 Vandoeuvre Les Nancy, FranceUniv Paris Est, Lab Geomat & Geol Ingenieur G2I, F-77454 Marne La Vallee 2, France
Cherrier, Richard
;
Oturan, Mehmet A.
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Univ Paris Est, Lab Geomat & Geol Ingenieur G2I, F-77454 Marne La Vallee 2, FranceUniv Paris Est, Lab Geomat & Geol Ingenieur G2I, F-77454 Marne La Vallee 2, France
机构:
Univ Naples Federico II, Fac Ingn, Dipartimento Ingn Chim, I-80125 Naples, ItalyUniv Naples Federico II, Fac Ingn, Dipartimento Ingn Chim, I-80125 Naples, Italy
Di Somma, Ilaria
;
Marotta, Raffaele
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h-index: 0
机构:
Univ Naples Federico II, Fac Ingn, Dipartimento Ingn Chim, I-80125 Naples, ItalyUniv Naples Federico II, Fac Ingn, Dipartimento Ingn Chim, I-80125 Naples, Italy
Marotta, Raffaele
;
Pinto, Gabriele
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Univ Naples Federico II, Fac Sci, Dipartimento Biol, I-80125 Naples, ItalyUniv Naples Federico II, Fac Ingn, Dipartimento Ingn Chim, I-80125 Naples, Italy
Pinto, Gabriele
;
Pollio, Antonino
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Univ Naples Federico II, Fac Sci, Dipartimento Biol, I-80125 Naples, ItalyUniv Naples Federico II, Fac Ingn, Dipartimento Ingn Chim, I-80125 Naples, Italy
机构:
Univ Paris Est, Lab Geomat & Geol Ingenieur G2I, F-77454 Marne La Vallee 2, FranceUniv Paris Est, Lab Geomat & Geol Ingenieur G2I, F-77454 Marne La Vallee 2, France
Balci, Beytul
;
Oturan, Nihal
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Univ Paris Est, Lab Geomat & Geol Ingenieur G2I, F-77454 Marne La Vallee 2, FranceUniv Paris Est, Lab Geomat & Geol Ingenieur G2I, F-77454 Marne La Vallee 2, France
Oturan, Nihal
;
Cherrier, Richard
论文数: 0引用数: 0
h-index: 0
机构:
INRA, INPL, Lab Sols & Environm ENSAIA, UMR 1120, F-54505 Vandoeuvre Les Nancy, FranceUniv Paris Est, Lab Geomat & Geol Ingenieur G2I, F-77454 Marne La Vallee 2, France
Cherrier, Richard
;
Oturan, Mehmet A.
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h-index: 0
机构:
Univ Paris Est, Lab Geomat & Geol Ingenieur G2I, F-77454 Marne La Vallee 2, FranceUniv Paris Est, Lab Geomat & Geol Ingenieur G2I, F-77454 Marne La Vallee 2, France