Abstract:
:Point Pelee National Park (PPNP) is highly contaminated with dichlorodiphenyltrichloroethane (DDT) due to the historical use of this persistent organochlorine pesticide. Hydroxypropyl-β-cyclodextrin (HPβCD) has previously been investigated for its role in the remediation of polyaromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs). In the present study, HPβCD's ability to promote DDT microbial degradation, enhance DDT phytoextraction by two native grasses (Schizachyrium scoparium and Panicum virgatum), and increase DDT bioavailability to redworms (Eisenia fetida) was investigated. Using a range of HPβCD concentrations (2.5% to 10%), it was determined that it did not promote DDT microbial degradation in PPNP soils, however, it was able enhance the DDT phytoextraction ability of S. scoparium plants due to the increased water solubility of DDT. Although HPβCD application to PPNP soil did not increase DDT bioavailability to redworms, its enhanced solubility allowed it to move through the soil column, and hence groundwater contamination is a possibility. Due to this important issue, in situ use of HPβCD to remediate DDT contamination is not recommended unless measures are in place to mitigate movement into groundwater.
journal_name
Int J Phytoremediationjournal_title
International journal of phytoremediationauthors
Dahmer CP,Rutter A,Zeeb BAdoi
10.1080/15226514.2017.1393389subject
Has Abstractpub_date
2018-05-12 00:00:00pages
523-529issue
6eissn
1522-6514issn
1549-7879journal_volume
20pub_type
杂志文章abstract::Phytoremediation potential of L. minor for cadmium (Cd), copper (Cu), lead (Pb), and nickel (Ni) from two different types of effluent in raw form was evaluated in a glass house experiment using hydroponic studies for a period of 31 days. Heavy metals concentration in water and plant sample was analyzed at 3, 10, 17, 2...
journal_title:International journal of phytoremediation
pub_type: 杂志文章
doi:10.1080/15226514.2015.1058331
更新日期:2016-01-01 00:00:00
abstract::Phytostabilization aims to immobilize soil contaminants using higher plants. The accumulation of trace elements in Populus alba leaves was monitored for 12 years after a mine spill. Concentrations of As and Pb significantly decreased, while concentrations of Cd and Zn did not significantly over time. Soil concentratio...
journal_title:International journal of phytoremediation
pub_type: 杂志文章
doi:10.1080/15226514.2012.723062
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abstract::Miscanthus sacchariflorus (Maxim.) Benth. is a metallophyte suitable for the phytoremediation of mine wastes. The tolerance and accumulation of M. sacchariflorus to cadmium was studied by pot experiments. The results showed that O2·- generation rate, plasma membrane permeability and MDA content of M. sacchariflorus le...
journal_title:International journal of phytoremediation
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doi:10.1080/15226514.2014.922925
更新日期:2015-01-01 00:00:00
abstract::Tribenuron methyl (TBM) is widely used in weed control. Due to its phytotoxicity, concerns on TBM pollution to soil have been raised. In this research, TBM concentration in the soil profile and vetiver grass were measured and simulated using HYDRUS-1D and modified PRZM-3 models. The treatments were two herbicide conce...
journal_title:International journal of phytoremediation
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doi:10.1080/15226514.2019.1583632
更新日期:2019-01-01 00:00:00
abstract::In June 2005, the Department of Energy (DOE) began establishing the 60-ha Howell Prairie around the disposal cell at the DOE Weldon Spring Site (WSS). Prairies were historically present in the area of the site. Quantitative Cover sampling was used to quantify Total Cover, Native Grass Cover, Non-Native Grass Cover, Na...
journal_title:International journal of phytoremediation
pub_type: 杂志文章
doi:10.1080/15226514.2016.1216081
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abstract::The effect of an arbuscular mycorrhizal fungi (AMF) consortium conformed by (Glomus intraradices, Glomus albidum, Glomus diaphanum, and Glomus claroideum) on plant growth and absorption of Pb, Fe, Na, Ca, and (32)P in barley (Hordeum vulgare L.) and sunflower (Helianthus annuus L.) plants was evaluated. AMF-plants and...
journal_title:International journal of phytoremediation
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doi:10.1080/15226514.2014.898023
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journal_title:International journal of phytoremediation
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doi:10.1080/15226510701476214
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journal_title:International journal of phytoremediation
pub_type: 杂志文章
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abstract::Phytoremediation potential of Lemna gibba was evaluated for chromium (Cr) and cadmium (Cd) under laboratory conditions for variable metal load of 1 mg/l, 3 mg/l, 5mgl, 7 mg/l and 9 mg/l, respectively, for 7 and 15 days of treatment period. Effects of both metals on structural attributes of L. gibba were also analyzed ...
journal_title:International journal of phytoremediation
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doi:10.1080/15226514.2018.1522614
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abstract::Most studies on the phytoextraction of cadmium (Cd) and zinc (Zn) by the hyperaccumulator Sedum plumbizincicola (S. plumbizincicola) have been conducted in metal contaminated acidic and neutral soils. However, little information is available on phytoremediation of calcareous soils. Two experiments were conducted to in...
journal_title:International journal of phytoremediation
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doi:10.1080/15226514.2016.1156641
更新日期:2018-01-01 00:00:00
abstract::Toxic heavy metal pollution of water is a major environmental problem and the current remediation approaches are not optimal as they are non-eco-friendly and lacking in efficiency. As such phytoremediation, a green remediation technology is recognized as a better approach. In this study, both Fourier Transform Infrare...
journal_title:International journal of phytoremediation
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doi:10.1080/15226514.2020.1774499
更新日期:2020-01-01 00:00:00
abstract::Excessive nickel (Ni) accumulation in edible parts of the plants has become a serious challenge for food security over the past few decades. Therefore, in this study, the role of calcium (Ca2+) signaling in imparting Ni tolerance was investigated in zucchini (Cucurbita pepo L. cv Courgette d'Italie). Exposure of zucch...
journal_title:International journal of phytoremediation
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doi:10.1080/15226514.2020.1814992
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abstract::The influence of Juncus maritimus, Phragmites australis, and Triglochin striata on hydrocarbon degrading microorganisms (HD) in Lima River estuary (NW Portugal) was investigated through a year-long plant life cycle. Sediments un-colonized and colonized (rhizosediments) by those salt marsh plants were sampled for HD, t...
journal_title:International journal of phytoremediation
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doi:10.1080/15226514.2012.735285
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journal_title:International journal of phytoremediation
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doi:10.1080/15226514.2018.1537250
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journal_title:International journal of phytoremediation
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doi:10.1080/15226514.2013.876965
更新日期:2015-01-01 00:00:00
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journal_title:International journal of phytoremediation
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doi:10.1080/15226514.2014.987371
更新日期:2015-01-01 00:00:00
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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更新日期:2017-03-04 00:00:00
abstract::Phytoremediation, more precisely phytoextraction, has been placed forward as an environmental friendly remediation technique, that can gradually reduce increased soil metal concentrations, in particular the bioavailable fractions. The aim of this study was to investigate the possibilities of growing willows and poplar...
journal_title:International journal of phytoremediation
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journal_title:International journal of phytoremediation
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更新日期:2009-07-01 00:00:00