Recently added articles from International Journal of Phytoremediation:

CAPABILITY OF SELECTED CROP PLANTS FOR SHOOT MERCURY ACCUMULATION FROM POLLUTED SOILS: PHYTOREMEDIATION PERSPECTIVES

Mar 01, 2007; Rodriguez, Luis; Rincón, Jesusa; Asencio, Isaac; Rodríguez-Castellanos, Laura ... High-biomass crops can be considered as an alternative to hyperaccumutator plants to phytoremediate soils contaminated by heavy metals. In order to assess their practical capability for the absorption and accumulation of Hg in shoots, barley, white lupine, lentil, and chickpea were tested in pot ...

ANALYSIS OF GENE EXPRESSION IN POPLAR TREES (POPULUS DELTOIDES x NIGRA, DN34) EXPOSED TO THE TOXIC EXPLOSIVE HEXAHYDRO-1,3,5-TRINITRO-1,3,5-TRIAZINE (RDX)

Mar 01, 2007; Tanaka, Sachiyo; Brentner, Laura B; Merchie, Kate M; Schnoor, Jerald L; Et al ... Poplar plants (Populus deltoides x nigra, DN34) growing under hydroponic conditions were exposed to 50 mg L^sup -1^ of hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) for 24 h. The expression of genes potentially involved in the metabolism of toxic explosives was analyzed by reverse-transcriptase ...

PHYTOEXTRACTION OF ARSENIC FROM SOIL BY LEERSIA ORYZOIDES

Mar 01, 2007; Ampiah-Bonney, R J; Tyson, J F; Lanza, G R ... The potential of Leersia oryzoides (rice-cut grass) to remediate arsenic-contaminated soil was studied in greenhouse pot experiments. Leersia oryzoides grown in soil amended with arsenic to a concentration of 110 mg kg^sup -1^, extracted up to 305 mg kg^sup -1^ and 272 mg kg^sup -1^ arsenic into ...

SOIL MICROBIAL DIVERSITY AS AFFECTED BY THE RHIZOSPHERE OF THE HYPERACCUMULATOR THLASPI CAERULESCENS UNDER NATURAL CONDITIONS

Mar 01, 2007; Aboudrar, W; Schwartz, C; Benizri, E; Morel, J L; Boularbah, A ... It is hypothesized that metal hyperaccumulator plants have specific rhizosphere conditions, potentially modifying the bioavailability of soil metals. This article aims to further the knowledge about the rhizosphere of the hyperaccumulator Thlaspi caerulescens, focusing on its microflora isolated ...

PHYTOVOLATILIZATION OF OXYGENATED GASOLINE-IMPACTED GROUNDWATER AT AN UNDERGROUND STORAGE TANK SITE VIA CONIFERS

Mar 01, 2007; Arnold, C W; Parfitt, D G; Kaltreider, M ... A stand of five conifers (Pinus sp.) bordering a gasoline service station was studied to estimate the methyl tert-butyl ether (MTBE) emission rate from gasoline-impacted groundwater. Groundwater was impacted with gasoline oxygenates MTBE and tert-butyl alcohol (TBA) at combined concentrations ...

MONITORING NATIVE VEGETATION ON A DUMPSITE OF PCB-CONTAMINATED SOIL

Mar 01, 2007; Pavlíková, Daniela; Macek, Tomas; Macková, Martina; Pavlík, Milan ... Composition of native vegetation on a polychlorinated biphenyls (PCB)-contaminated soil dumpsite at Lhenice, South Bohemia (Czech Republic), was determined and species variability in the accumulation of PCBs in plant biomass was investigated. Soil stripping contaminated by PCBs originated at a ...

INFLUENCE OF CATCLAW MIMOSA MONANCISTRA ON THE DISSIPATION OF SOIL PAHs

Mar 01, 2007; Álvarez-Bernal, D; Contreras-Ramos, S; Marsch, R; Dendooven, L ... Phyloremediation is a cost-effective biotechnology for decontamination of polycyclic aromatic hydrocarbons (PAHs)-polluted soils. A greenhouse experiment was conducted to determine the growth of Mimosa monancistra, a N^sub 2^-fixing leguminous plants, and its capacity to remove phenanthrene, ...

CHROMATE-TOLERANT BACTERIA FOR ENHANCED METAL UPTAKE BY EICHHORNIA CRASSIPES (MART.)

Mar 01, 2007; Abou-Shanab, R A I; Angle, J S; van Berkum, P ... A total of 85 chromate-resistant bacteria were isolated from the rhizosphere of water hyacinth grown in Mariout Lake, Egypt, as well as the sediment and water of this habitat. Only 4 (11%), 2 (8%), and 2 (8%) of isolates from each of the environments, respectively, were able to tolerate 200 mg ...

A FEASIBILITY TEST TO ESTIMATE THE DURATION OF PHYTOEXTRACTION OF HEAVY METALS FROM POLLUTED SOILS

Mar 01, 2007; Japenga, J; Koopmans, G F; Song, J; Römkens, P F A M ... The practical applicability of heavy metal (HM) phytoextraction depends heavily on its duration. Phytoextraction duration is the main cost factor for phytoextraction, both referring to recurring economic costs during phytoextraction and to the cost of the soil having no economic value during ...

IMPACT OF MICROBIAL/PLANT INTERACTIONS ON THE TRANSFORMATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN RHIZOSPHERE OF FESTUCA ARUNDINACEA

Mar 01, 2007; Ho, C H; Applegate, B; Banks, M K ... The promotion of polycyclic aromatic hydrocarbon (PAH) degradation was demonstrated in the rhizosphere of Festuca arundinacea with Pseudomonas fluorescens. P. fluorescens 5RL more significantly interacted with salicylate and dextrose in the agar containing tall fescue than agar without plant ...

POTENTIAL OF CHILOPSIS LINEARIS FOR GOLD PHYTOMINING: USING XAS TO DETERMINE GOLD REDUCTION AND NANOPARTICLE FORMATION WITHIN PLANT TISSUES

Mar 01, 2007; Rodriguez, Elena; Parsons, Jason G; Peralta-Videa, Jose R; Cruz-Jimenez, Gustavo; Et al ... This study reports on the capability of the desert plant Chilopsis linearis (Cav.) Sweet (desert willow) to uptake gold (Au) from gold-enriched media at different plant-growth stages. Plants were exposed to 20, 40, 80, 160, and 320 mg Au L^sup -1^ in agar-based growing media for 13, 18, 23, and ...

CHEMICAL MUTAGENESIS-A PROMISING TECHNIQUE TO INCREASE METAL CONCENTRATION AND EXTRACTION IN SUNFLOWERS

Mar 01, 2007; Nehnevajova, Erika; Herzig, Rolf; Federer, Guido; Erismann, Karl-Hans; Schwitzguébel, Jean-Paul ... Since most of the metal-hyperaccumulating wild plants only product very low biomass and many high-yielding crops accumulate only moderate amounts of metals, the current research is mainly focused on overcoming these limitations and the optimization of metal phytoextraction. The main goal of the ...

A CHROMIUM-TOLERANT PLANT GROWING IN CR-CONTAMINATED LAND

Mar 01, 2007; Dong, Jing; Wu, Feibo; Huang, Rgui; Zang, Guoping ... In this paper, a kind of Typhaceae plant species, Typha angustifolia L, with a high tolerance to Cr is described. Experiments were carried out to examine its ability to tolerant Cr and its physiological response. The results showed that there was no difference in growth, plant height, and ...

PLANT UPTAKE AND THE LEACHING OF METALS DURING THE HOT EDDS-ENHANCED PHYTOEXTRACTION PROCESS

Mar 01, 2007; Luo, Chun-Ling; Shen, Zhen-Guo; Li, Xiang-Dong ... Using pot experiments, the effect of the application of the biodegradable chelating agent S,S-ethylenediaminedisuccinic acid (EDDS) in hot solutions at 90°C on the uptake of Cu, Pb, Zn, and Cd by corn (Zea mays L. cv. Nongda No. 108) and beans (P vulgaris L. white bean), and the potential ...

ACCUMULATION OF GOLD NANOPARTICLES IN BRASSIC JUNCEA

Mar 01, 2007; Marshall, Aaron T; Haverkamp, Richard G; Davies, Clive E; Parsons, Jason G; Et al ... Enzymatic digestion is proposed as a method for concentrating gold nanoparticles produced in plants. The mild conditions of digestion are used in order to avoid an increase in the gold particle size, which would occur with a high-temperature process, so that material suitable for catalysis may ...

LIGHT QUANTA MODULATED CHARACTERISTICS OF NI UPTAKE BY BRASSICA JUNCEA SEEDLINGS: THE INTERDEPENDENCE OF PLANT METAL CONCENTRATION AND BIOMASS

Mar 01, 2007; Dasgupta-Schubert, N; Whelan, T; Reyes, M A; Lloren, C; Et al ... The relationships between the concentration of metal in the growth medium, C^sub s^, the concentration of metal absorbed by the plant, C^sub p^, and the total biomass achieved, M, all of which are factors relevant to the efficiency of metal uptake and tolerance by the plant, have been ...

INFLUENCE OF [S, S]-EDDS ON PHYTOEXTRACTION OF COPPER AND ZINC BY ELSHOLTZIA SPLENDENS FROM METAL-CONTAMINATED SOIL

Mar 01, 2007; Wu, L H; Sun, X F; Luo, Y M; Xing, X R; Christie, P ... Two pot experiments were conducted to investigate the time course effects of the (S, S)-N, N'-ethylenediamine disuccinic acid (EDDS) addition to contaminated soil on the uptake of Cu and Zn by the Cu accumulator Elsholtzia splendens and on plant Cu and Zn concentrations at different growth ...

EFFECT OF TEMPERATURE ON THE UPTAKE AND METABOLISM OF CYANIDE BY WEEPING WILLOWS

Mar 01, 2007; Yu, Xiao-Zhang; Trapp, Stefan; Zhou, Pu-Hua; Chen, Liang ... Plants' uptake and metabolism of cyanide in response to changes in temperature was investigated. Pre-rooted weeping willows (Salix babylonica L.) were exposed to hydroponic solution spiked with potassium cyanide for 2-3 d. Ten different temperatures were used, ranging from 11°C to 32°C. Cyanide ...