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Mechanistic study on uptake and transport of pharmaceuticals in lettuce from water

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Mechanistic study on uptake and transport of pharmaceuticals in lettuce from water. / Chuang, Ya Hui; Liu, Cheng Hua; Sallach, J. Brett; Hammerschmidt, Raymond; Zhang, Wei; Boyd, Stephen A.; Li, Hui.

In: Environment International, Vol. 131, 104976, 01.10.2019.

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Harvard

Chuang, YH, Liu, CH, Sallach, JB, Hammerschmidt, R, Zhang, W, Boyd, SA & Li, H 2019, 'Mechanistic study on uptake and transport of pharmaceuticals in lettuce from water', Environment International, vol. 131, 104976. https://doi.org/10.1016/j.envint.2019.104976

APA

Chuang, Y. H., Liu, C. H., Sallach, J. B., Hammerschmidt, R., Zhang, W., Boyd, S. A., & Li, H. (2019). Mechanistic study on uptake and transport of pharmaceuticals in lettuce from water. Environment International, 131, [104976]. https://doi.org/10.1016/j.envint.2019.104976

Vancouver

Chuang YH, Liu CH, Sallach JB, Hammerschmidt R, Zhang W, Boyd SA et al. Mechanistic study on uptake and transport of pharmaceuticals in lettuce from water. Environment International. 2019 Oct 1;131. 104976. https://doi.org/10.1016/j.envint.2019.104976

Author

Chuang, Ya Hui ; Liu, Cheng Hua ; Sallach, J. Brett ; Hammerschmidt, Raymond ; Zhang, Wei ; Boyd, Stephen A. ; Li, Hui. / Mechanistic study on uptake and transport of pharmaceuticals in lettuce from water. In: Environment International. 2019 ; Vol. 131.

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@article{66a9046dfa684c11a7b97e1253666160,
title = "Mechanistic study on uptake and transport of pharmaceuticals in lettuce from water",
abstract = "The dissemination of pharmaceuticals in agroecosystems originating from land application of animal manure/sewage sludge and irrigation with treated wastewater in agricultural production has raised concern about the accumulation of pharmaceuticals in food products. The pathways of pharmaceutical entries via plant roots, transport to upper fractions, and the factors influencing these processes have yet been systematically elucidated, thus impeding the development of effective measures to mitigate pharmaceutical contamination in food crops. In this study, lettuce uptake of thirteen commonly used pharmaceuticals was investigated using a hydroponic experimental setting. Pharmaceutical sorption by lettuce roots was measured in order to evaluate the influence on pharmaceutical transport from roots to shoots. Small-sized pharmaceuticals e.g., caffeine and carbamazepine with molecular weight (MW) <300 g mol−1 and a low affinity to lettuce roots (sorption coefficient Kp < 0.05 L g−1) manifested substantial transport to shoots. Small-sized molecules lamotrigine and trimethoprim had a relatively strong affinity to lettuce roots (Kp > 12.0 L g−1) and demonstrated a reduced transport to shoots. Large-sized pharmaceuticals (e.g. MW >400 g mol−1) including lincomycin, monensin sodium, and tylosin could be excluded from cell membranes, resulting in the predominant accumulation in lettuce roots. Large-sized oxytetracycline existed as zwitterionic species that could slowly enter lettuce roots; however, the relatively strong interaction with lettuce roots limits its transport to shoots. The mass balance analysis revealed that acetaminophen, β-estradiol, carbadox, estrone and triclosan were readily metabolized in lettuce with >90% loss during 144-h exposure period. A scheme was proposed to describe pharmaceutical uptake and transport in plant, which could reasonably elucidate many literature-reported results. Molecular size, reactivity and ionic speciation of pharmaceuticals, as well as plant physiology, collectively determine their uptake, transport and accumulation in plants.",
keywords = "Accumulation, Pharmaceuticals, Plant uptake, Sorption by roots, Transport",
author = "Chuang, {Ya Hui} and Liu, {Cheng Hua} and Sallach, {J. Brett} and Raymond Hammerschmidt and Wei Zhang and Boyd, {Stephen A.} and Hui Li",
note = "{\textcopyright} 2019, The Author(s). ",
year = "2019",
month = oct,
day = "1",
doi = "10.1016/j.envint.2019.104976",
language = "English",
volume = "131",
journal = " Environment International",
issn = "0160-4120",
publisher = "Elsevier Limited",

}

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TY - JOUR

T1 - Mechanistic study on uptake and transport of pharmaceuticals in lettuce from water

AU - Chuang, Ya Hui

AU - Liu, Cheng Hua

AU - Sallach, J. Brett

AU - Hammerschmidt, Raymond

AU - Zhang, Wei

AU - Boyd, Stephen A.

AU - Li, Hui

N1 - © 2019, The Author(s).

PY - 2019/10/1

Y1 - 2019/10/1

N2 - The dissemination of pharmaceuticals in agroecosystems originating from land application of animal manure/sewage sludge and irrigation with treated wastewater in agricultural production has raised concern about the accumulation of pharmaceuticals in food products. The pathways of pharmaceutical entries via plant roots, transport to upper fractions, and the factors influencing these processes have yet been systematically elucidated, thus impeding the development of effective measures to mitigate pharmaceutical contamination in food crops. In this study, lettuce uptake of thirteen commonly used pharmaceuticals was investigated using a hydroponic experimental setting. Pharmaceutical sorption by lettuce roots was measured in order to evaluate the influence on pharmaceutical transport from roots to shoots. Small-sized pharmaceuticals e.g., caffeine and carbamazepine with molecular weight (MW) <300 g mol−1 and a low affinity to lettuce roots (sorption coefficient Kp < 0.05 L g−1) manifested substantial transport to shoots. Small-sized molecules lamotrigine and trimethoprim had a relatively strong affinity to lettuce roots (Kp > 12.0 L g−1) and demonstrated a reduced transport to shoots. Large-sized pharmaceuticals (e.g. MW >400 g mol−1) including lincomycin, monensin sodium, and tylosin could be excluded from cell membranes, resulting in the predominant accumulation in lettuce roots. Large-sized oxytetracycline existed as zwitterionic species that could slowly enter lettuce roots; however, the relatively strong interaction with lettuce roots limits its transport to shoots. The mass balance analysis revealed that acetaminophen, β-estradiol, carbadox, estrone and triclosan were readily metabolized in lettuce with >90% loss during 144-h exposure period. A scheme was proposed to describe pharmaceutical uptake and transport in plant, which could reasonably elucidate many literature-reported results. Molecular size, reactivity and ionic speciation of pharmaceuticals, as well as plant physiology, collectively determine their uptake, transport and accumulation in plants.

AB - The dissemination of pharmaceuticals in agroecosystems originating from land application of animal manure/sewage sludge and irrigation with treated wastewater in agricultural production has raised concern about the accumulation of pharmaceuticals in food products. The pathways of pharmaceutical entries via plant roots, transport to upper fractions, and the factors influencing these processes have yet been systematically elucidated, thus impeding the development of effective measures to mitigate pharmaceutical contamination in food crops. In this study, lettuce uptake of thirteen commonly used pharmaceuticals was investigated using a hydroponic experimental setting. Pharmaceutical sorption by lettuce roots was measured in order to evaluate the influence on pharmaceutical transport from roots to shoots. Small-sized pharmaceuticals e.g., caffeine and carbamazepine with molecular weight (MW) <300 g mol−1 and a low affinity to lettuce roots (sorption coefficient Kp < 0.05 L g−1) manifested substantial transport to shoots. Small-sized molecules lamotrigine and trimethoprim had a relatively strong affinity to lettuce roots (Kp > 12.0 L g−1) and demonstrated a reduced transport to shoots. Large-sized pharmaceuticals (e.g. MW >400 g mol−1) including lincomycin, monensin sodium, and tylosin could be excluded from cell membranes, resulting in the predominant accumulation in lettuce roots. Large-sized oxytetracycline existed as zwitterionic species that could slowly enter lettuce roots; however, the relatively strong interaction with lettuce roots limits its transport to shoots. The mass balance analysis revealed that acetaminophen, β-estradiol, carbadox, estrone and triclosan were readily metabolized in lettuce with >90% loss during 144-h exposure period. A scheme was proposed to describe pharmaceutical uptake and transport in plant, which could reasonably elucidate many literature-reported results. Molecular size, reactivity and ionic speciation of pharmaceuticals, as well as plant physiology, collectively determine their uptake, transport and accumulation in plants.

KW - Accumulation

KW - Pharmaceuticals

KW - Plant uptake

KW - Sorption by roots

KW - Transport

UR - http://www.scopus.com/inward/record.url?scp=85069561876&partnerID=8YFLogxK

U2 - 10.1016/j.envint.2019.104976

DO - 10.1016/j.envint.2019.104976

M3 - Article

C2 - 31336255

AN - SCOPUS:85069561876

VL - 131

JO - Environment International

JF - Environment International

SN - 0160-4120

M1 - 104976

ER -