Determination of Ozonation Rate Constants forLincomycin and Spectinomycin

机译：林可霉素和大观霉素的臭氧化速率常数的测定

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The recent occurrence of pharmaceutical antibiotics in surface, drinkingrnand waste water systems has gained a significant attention due tornpossible formation of antibiotic-resistant bacteria. This study assessedrnthe feasibility of removing selected antibiotics (namely, lincomycin andrnspectinomycin) from water systems by ozone oxidation. The specificrnsecond-order rate constants between ozone and various antibiotic speciesrnwere determined by stopped-flow spectrophotometry at temperature 25rn±1 ℃. The neutral and protonated species of lincomycin react withrnozone at a rate constant of 2.87×106 M-1s-1 and 3.45×105 M-1s-1,rnrespectively. The neutral and monoprotonated species of spectinomycinrnreact with ozone at a rate constant of 1.33×106 M-1s-1 and 3.30×105 M-1s-rn1, respectively. Results indicate that both lincomycin and spectinomycinrncan be effectively transformed by ozone around neutral pH.

机译：由于不可能形成抗生素抗性细菌，最近在地表，饮用水和废水系统中出现的药物抗生素引起了极大的关注。这项研究评估了通过臭氧氧化从水系统中去除某些抗生素（即林可霉素和大观霉素）的可行性。在25rn±1℃的温度下，采用停流光度法测定了臭氧与各种抗生素的比级比常数。林可霉素的中性和质子化物种分别以2.87×106 M-1s-1和3.45×105 M-1s-1的速率常数与rnozone反应。壮观霉素的中性和单质子化物种与臭氧的反应速率分别为1.33×106 M-1s-1和3.30×105 M-1s-rn1。结果表明，中性pH值附近的臭氧均可有效地转化林可霉素和大观霉素。

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来源
《International Ozone Association 16th world congress: abstracts and full papers of oral presentations》|2003年|1-18|共18页
会议地点 Las Vegas NV(US)
作者
Zhimin Qiang; Craig Adams; Rao Surampalli;
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作者单位

Environmental Research Center, Department of Civil, Architectural andrnEnvironmental Engineering, University of Missouri-Rolla, Rolla, MO 65409, U.S.A.;

Environmental Research Center, Department of Civil, Architectural andrnEnvironmental Engineering, University of Missouri-Rolla, Rolla, MO 65409, U.S.A. email: adams@umr.edu;

U.S. Environmental Protection Agency, Region 7, Kansas City, KS, U.S.A.;

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原文格式 PDF
正文语种 eng
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关键词
Ozone; Rate Constants; Antibiotics; Lincomycin; Spectinomycin; Stopped-flow Spectrophotometry;

机译：臭氧;速率常数;抗生素;林可霉素;大观霉素;停流光度法;

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Determination of Ozonation Rate Constants forLincomycin and Spectinomycin

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