PMID- 24333944
OWN - NLM
STAT- MEDLINE
DCOM- 20140904
LR  - 20140114
IS  - 1873-3336 (Electronic)
IS  - 0304-3894 (Linking)
VI  - 265
DP  - 2014 Jan 30
TI  - Oxidation mechanism and overall removal rates of endocrine disrupting chemicals 
      by aquatic plants.
PG  - 79-88
LID - S0304-3894(13)00893-5 [pii]
LID - 10.1016/j.jhazmat.2013.11.042 [doi]
AB  - The purpose of this study was to evaluate experimentally and theoretically the 
      oxidation mechanisms and overall removal rates of phenolic endocrine disrupting 
      chemicals (EDCs) by aquatic plants. EDCs used in this study were bisphenol-A 
      (BPA), 2,4-dichlorophenol (2,4-DCP), 4-tert-octylphenol (4-t-OP), and 
      pentachlorophenol (PCP). Referring to reported detection levels in aquatic 
      environments and contaminated sites, the feed concentration of each EDC was set 
      from 1 to 100mug/L. Experimental results showed that, except for PCP, phenolic 
      EDCs were stably and concurrently removed by different types of aquatic plants 
      over 70 days in long-term continuous treatments. Primal enzymes responsible for 
      oxidation of BPA, 2,4-DCP, and 4-t-OP were peroxidases (POs). Moreover, enzymatic 
      removal rates of BPA, 2,4-DCP, and 4-t-OP by POs were more than 2 orders of 
      magnitude larger than those by aquatic plants. Assuming that overall removal 
      rates of EDCs are controlled by mass transfer rates onto liquid films on the 
      surface of aquatic plants, an electrochemical method based on the limiting 
      current theory was developed to measure the mass transfer rates of EDCs. Because 
      of extremely large removal rates of EDCs by POs, observed removal rates by 
      aquatic plants were in reasonably good agreement with calculated results by a 
      mathematical model developed based on an assumption that mass transfer limitation 
      is a rate-limiting step.
CI  - Crown Copyright (c) 2013. Published by Elsevier B.V. All rights reserved.
FAU - Reis, A R
AU  - Reis AR
AD  - Department of Soil Science, Federal University of Lavras, Lavras, MG 37200-000, 
      Brazil. Electronic address: andrereis@dcs.ufla.br.
FAU - Tabei, K
AU  - Tabei K
AD  - Department of Civil and Environmental Engineering, Waseda University, 3-4-1 
      Okubo, Shinjuku, Tokyo 169-8555 Japan.
FAU - Sakakibara, Y
AU  - Sakakibara Y
AD  - Department of Civil and Environmental Engineering, Waseda University, 3-4-1 
      Okubo, Shinjuku, Tokyo 169-8555 Japan. Electronic address: sakaki@waseda.jp.
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20131123
PL  - Netherlands
TA  - J Hazard Mater
JT  - Journal of hazardous materials
JID - 9422688
RN  - 0 (Endocrine Disruptors)
RN  - 0 (Phenols)
RN  - 0 (Water Pollutants, Chemical)
RN  - BBX060AN9V (Hydrogen Peroxide)
RN  - EC 1.11.1.- (Peroxidases)
SB  - IM
MH  - Biodegradation, Environmental
MH  - Endocrine Disruptors/*metabolism
MH  - Hydrogen Peroxide/metabolism
MH  - Oxidation-Reduction
MH  - Peroxidases/metabolism
MH  - Phenols/*metabolism
MH  - Plants/*metabolism
MH  - Water Pollutants, Chemical/*metabolism
OTO - NOTNLM
OT  - Biological Fenton reaction
OT  - Endocrine disrupting chemicals
OT  - Hydrogen peroxide
OT  - Peroxidase
OT  - Phytoremediation
EDAT- 2013/12/18 06:00
MHDA- 2014/09/05 06:00
CRDT- 2013/12/17 06:00
PHST- 2013/07/09 00:00 [received]
PHST- 2013/11/16 00:00 [revised]
PHST- 2013/11/18 00:00 [accepted]
PHST- 2013/12/17 06:00 [entrez]
PHST- 2013/12/18 06:00 [pubmed]
PHST- 2014/09/05 06:00 [medline]
AID - S0304-3894(13)00893-5 [pii]
AID - 10.1016/j.jhazmat.2013.11.042 [doi]
PST - ppublish
SO  - J Hazard Mater. 2014 Jan 30;265:79-88. doi: 10.1016/j.jhazmat.2013.11.042. Epub 
      2013 Nov 23.