http:\/\/link.springer.com\/article\/10.1007\/s11356-016-6121-7<\/p>\n
Chenxi Wu, Kai Zhang, Xiaolong Huang, Jiantong Liu
\nSorption of pharmaceuticals and personal care products to polyethylene
\ndebris
\nEnvironmental Science and Pollution Research
\nFirst online: 26 January 2016
\nDOI 10.1007\/s11356-016-6121-7<\/p>\n
Abstract
\nPresence of plastic debris in marine and freshwater ecosystems is
\nincreasingly reported. Previous research suggested plastic debris had a
\nstrong affiliation for many pollutants, such as polycyclic aromatic
\nhydrocarbons (PAHs), polychlorinated biphenyls (PCBs), and heavy metals.
\nIn this study, the sorption behavior of pharmaceuticals and personal
\ncare products (PPCPs), including carbamazepine (CBZ),
\n4-methylbenzylidene camphor (4MBC), triclosan (TCS), and 17\u03b1-ethinyl
\nestradiol (EE2), to polyethylene (PE) debris (250 to 280 \u03bcm) was
\ninvestigated. The estimated linear sorption coefficients (K d) are
\n191.4, 311.5, 5140, and 53,225 L\/kg for CBZ, EE2, TCS, and 4MBC, and are
\nrelated to their hydrophobicities. Increase of salinity from 0.05 to 3.5
\n% did not affect the sorption of 4MBC, CBZ, and EE2 but enhanced the
\nsorption of TCS, likely due to the salting-out effect. Increase of
\ndissolved organic matter (DOM) content using Aldrich humic acid (HA) as
\na proxy reduced the sorption of 4MBC, EE2, and TCS, all of which show a
\nrelatively strong affiliation to HA. Results from this work suggest that
\nmicroplastics may play an important role in the fate and transport of
\nPPCPs, especially for those hydrophobic ones.<\/p>\n
Keywords
\nMicroplastics PPCPs Sorption Hydrophobic interaction Salinity Dissolved
\norganic matter<\/p>\n","protected":false},"excerpt":{"rendered":"
http:\/\/link.springer.com\/article\/10.1007\/s11356-016-6121-7 Chenxi Wu, Kai Zhang, Xiaolong Huang, Jiantong Liu Sorption of pharmaceuticals and personal care products to polyethylene debris Environmental Science and Pollution Research First online: 26 January 2016 DOI 10.1007\/s11356-016-6121-7 Abstract Presence of plastic debris in marine and freshwater ecosystems is increasingly reported. Previous research suggested plastic debris had a strong affiliation for many pollutants, such as polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), and heavy metals. In this study, the sorption behavior of pharmaceuticals and personal care products (PPCPs), including carbamazepine (CBZ), 4-methylbenzylidene camphor (4MBC), triclosan (TCS), and 17\u03b1-ethinyl estradiol (EE2), to polyethylene (PE) debris (250 to 280 \u03bcm) was investigated. The estimated linear sorption coefficients (K d) are 191.4, 311.5, 5140, and 53,225 L\/kg for CBZ, EE2, TCS, and 4MBC, and are related to their hydrophobicities. Increase of salinity from 0.05 to 3.5 % did not affect the sorption of 4MBC, CBZ, and EE2 but enhanced the sorption of TCS, likely due to the salting-out effect. Increase of dissolved organic matter (DOM) content using Aldrich humic acid (HA) as a proxy reduced the sorption of 4MBC, EE2, and TCS, all of which show a relatively strong affiliation to HA. Results from this work suggest that microplastics may play an important role in the fate and transport of PPCPs, especially for those hydrophobic ones. Keywords Microplastics PPCPs Sorption Hydrophobic interaction Salinity Dissolved organic matter<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3484,3423],"tags":[1544,1445,2290],"yoast_head":"\n