What happens when pharmaceuticals meet colloids

Pharmaceuticals (PCs) have been widely detected in natural environment due to agricultural application of reclaimed water, sludge and animal wastes. Their potential risks to various ecosystems and even to human health have caused great concern; however, little was known about their environmental beh...

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Veröffentlicht in:Ecotoxicology (London, England). - 1992. - 24(2015), 10 vom: 01. Dez., Seite 2100-14
1. Verfasser: Xing, Yingna (VerfasserIn)
Weitere Verfasser: Chen, Xijuan, Zhuang, Jie, Chen, Xin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Ecotoxicology (London, England)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Review Colloids Fate Interaction Pharmaceuticals Transport Pharmaceutical Preparations Soil Pollutants
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520 |a Pharmaceuticals (PCs) have been widely detected in natural environment due to agricultural application of reclaimed water, sludge and animal wastes. Their potential risks to various ecosystems and even to human health have caused great concern; however, little was known about their environmental behaviors. Colloids (such as clays, metal oxides, and particulate organics) are kind of substances that are active and widespread in the environment. When PCs meet colloids, their interaction may influence the fate, transport, and toxicity of PCs. This review summarizes the progress of studies on the role of colloids in mediating the environmental behaviors of PCs. Synthesized results showed that colloids can adsorb PCs mainly through ion exchange, complexation and non-electrostatic interactions. During this process the structure of colloids and the stability of PCs may be changed. The adsorbed PCs may have higher risks to induce antibiotic resistance; besides, their transport may also be altered considering they have great chance to move with colloids. Solution conditions (such as pH, ionic strength, and cations) could influence these interactions between PCs and colloids, as they can change the forms of PCs and alter the primary forces between PCs and colloids in the solution. It could be concluded that PCs in natural soils could bind with colloids and then co-transport during the processes of irrigation, leaching, and erosion. Therefore, colloid-PC interactions need to be understood for risk assessment of PCs and the best management practices of various ecosystems (such as agricultural and wetland systems) 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 4 |a Colloids 
650 4 |a Fate 
650 4 |a Interaction 
650 4 |a Pharmaceuticals 
650 4 |a Transport 
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650 7 |a Pharmaceutical Preparations  |2 NLM 
650 7 |a Soil Pollutants  |2 NLM 
700 1 |a Chen, Xijuan  |e verfasserin  |4 aut 
700 1 |a Zhuang, Jie  |e verfasserin  |4 aut 
700 1 |a Chen, Xin  |e verfasserin  |4 aut 
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