Toxicity of substituted anilines to Pseudokirchneriella subcapitata and quantitative structure-activity relationship analysis for polar narcotics.

abstract：:Sponges are a potential alternative model species to bivalves in pollution biomonitoring and environmental risk assessment in the aquatic ecosystem. In the present study, a novel in vivo exposure sponge culture model was developed from field-collected and cryopreserved sponge (Hymeniacidon perleve) cells to investigat...

journal_title：Environmental toxicology and chemistry

authors： Akpiri RU,Konya RS,Hodges NJ

更新日期：2017-12-01 00:00:00

abstract：:The N-2-hydroxyethylpiperazine-N'-2-ethanesulfonic acid (HEPES) is extensively used as pH buffer in culture media for testing chemicals. However, this study demonstrates that 0.01 M HEPES significantly reduces the rate of Cu, Pb, and Cd binding to Porphyra spp. and Enteromorpha spp. marine macroalgae. The HEPES also d...

journal_title：Environmental toxicology and chemistry

authors： Vasconcelos MT,Leal MF

更新日期：2002-02-01 00:00:00

abstract：:Nitrogen, sulfur, or oxygen heterocyclic aromatic hydrocarbons (NSO-HETs) and short-chained alkyl phenols (SCAPs) are commonly detected in groundwater at contaminated sites and in the surrounding environment. It is now scientific consensus that these chemicals pose a risk to human and ecosystem health. However, toxici...

journal_title：Environmental toxicology and chemistry

authors： Brinkmann M,Schneider AL,Bluhm K,Schiwy S,Lehmann G,Deutschmann B,Müller A,Tiehm A,Hollert H

更新日期：2019-06-01 00:00:00

abstract：:We conducted a seasonal study of the uptake of Cd, Se(IV), and Zn by natural phytoplankton assemblages collected from two locations in Hong Kong coastal waters. Marine phytoplankton in Port Shelter was dominated by diatoms and cyanobacteria, while phytoplankton in Tolo Harbour was dominated by dinoflagellates. The nat...

journal_title：Environmental toxicology and chemistry

authors： Wang WX,Dei RC,Hong H

更新日期：2005-01-01 00:00:00

abstract：:The present study aims at investigating the effects of Zn, Ca, and dissolved organic carbon (DOC) on the waterborne Cd bioaccumulation of a freshwater bivalve (Dreissena polymorpha). Mussels were exposed for 48 h at 3 µg/L of Cd in different media. Their physiological activities were assessed by separately measuring t...

journal_title：Environmental toxicology and chemistry

authors： Bourgeault A,Gourlay-Francé C,Tusseau-Vuillemin MH

更新日期：2010-10-01 00:00:00

abstract：:There are few studies on nanoplastic that propose quantification of the amount ingested combined with evaluation of the toxic effects on aquatic organisms. We propose 2 methods to quantify the amount of polystyrene nanoplastic (PSNP) ingested by Daphnia magna: fluorescence intensity, where a fluorescent monomer (F) is...

journal_title：Environmental toxicology and chemistry

authors： Vicentini DS,Nogueira DJ,Melegari SP,Arl M,Köerich JS,Cruz L,Justino NM,Oscar BV,Puerari RC,da Silva MLN,Simioni C,Ouriques LC,Matias MS,de Castilhos Junior AB,Matias WG

更新日期：2019-10-01 00:00:00

abstract：:We coupled intensive population monitoring with collection of blood samples from 383 nesting Pacific common eiders (Somateria mollisima v-nigrum) at two locations in Alaska (USA) from 2002 to 2004. We investigated annual, geographic, and within-season variation in blood concentrations of lead and selenium; compared ex...

journal_title：Environmental toxicology and chemistry

authors： Wilson HM,Flint PL,Powell AN

更新日期：2007-07-01 00:00:00

abstract：:Heavy metals can represent a threat to the health of aquatic ecosystems. Unlike organic chemicals, heavy metals cannot be eliminated by natural processes such as their degradation into less toxic compounds, and this creates unique challenges for their remediation from soil, water, and air. Phytoremediation, defined as...

journal_title：Environmental toxicology and chemistry

authors： Nguyen TQ,Sesin V,Kisiala A,Emery RJN

更新日期：2021-01-01 00:00:00

abstract：:More or less well-defined mixtures of antibiotics used in aquacultures may be distributed in the aquatic environment. Therefore, a systematic mixture ecotoxicity study was performed with the aquaculture antibiotics oxytetracycline, oxolinic acid, erythromycin, florfenicol, and flumequine. Test organisms were freshwate...

journal_title：Environmental toxicology and chemistry

authors： Christensen AM,Ingerslev F,Baun A

更新日期：2006-08-01 00:00:00

abstract：:The octanol-water partioning of inorganic mercury decreased with increasing sulfide, supporting a model that predicts decreased fractions of neutral Hg-S species with increasing sulfide. These results help explain the decreased availability of Hg to methylating bacteria under sulfidic conditions, and the inverse relat...

journal_title：Environmental toxicology and chemistry

authors： Benoit JM,Mason RP,Gilmour CC

更新日期：1999-10-01 00:00:00

abstract：:Concentrations of arsenic, cadmium, copper, lead, and nickel were measured in soils, house mice (Mus musculus), and the main food items of this omnivorous mouse to examine the occurrence of these metals in selected components of a seasonal wetland. Soil concentrations of copper, lead, and (in some areas) nickel were e...

journal_title：Environmental toxicology and chemistry

authors： Torres KC,Johnson ML

更新日期：2001-11-01 00:00:00

abstract：:Pharmaceuticals released into aquatic systems are expected to sorb to sediments to varying degrees. Their sorption is likely to influence their fate and, ultimately, the risk they pose to aquatic organisms. This has led to the European Medicines Agency requiring an assessment of affinity to solids, using batch sorptio...

journal_title：Environmental toxicology and chemistry

authors： Williams M,Ong PL,Williams DB,Kookana RS

更新日期：2009-12-01 00:00:00

abstract：:Ionic silver is toxic to aquatic organisms at low concentrations. However, complexation to binding sites on natural organic matter has been shown to reduce silver toxicity. Research indicates that there is a need to develop reliable methods for characterizing silver binding at very low silver ion concentrations where ...

journal_title：Environmental toxicology and chemistry

authors： Rader KJ,Shadi TS,Mahony JD,Di Toro DM

更新日期：2005-11-01 00:00:00

abstract：:Soil column experiments were conducted to investigate the release of aged organic contaminants (adsorbable organohalogens, [AOX]) and the potential effects of microbial turnover of soil organic matter onto the contaminant release from two different soils of former wastewater infiltration sites. Under reference conditi...

journal_title：Environmental toxicology and chemistry

authors： Reemtsma T,Savric I,Jekel M

更新日期：2003-04-01 00:00:00

abstract：:Of the fish species tested in chronic Ni exposures, rainbow trout (Oncorhynchus mykiss) is the most sensitive. To develop additional Ni toxicity data and to investigate the toxic mode of action for Ni, we conducted acute (96-h) and chronic (85-d early life-stage) flow-through studies using rainbow trout. In addition t...

journal_title：Environmental toxicology and chemistry

authors： Brix KV,Keithly J,DeForest DK,Laughlin J

更新日期：2004-09-01 00:00:00

abstract：:The median 96-h lethal zinc concentration (LC50) was 439 microg Zn/L (hardness of 154 mg/L as CaCO3) for feral mottled sculpin (Cottus bairdi), decreasing to a median incipient lethal level of 266 microg Zn/L after 13 d. The 30-d chronic value was 255 microg Zn/L. The acute toxicity-hardness (ln-ln) slope of 1.022 exc...

journal_title：Environmental toxicology and chemistry

authors： Brinkman S,Woodling J

更新日期：2005-06-01 00:00:00

abstract：:The concentrations of metal contaminants often fluctuate in estuarine waters; yet we have limited knowledge about the effects of intermittent exposures on estuarine organisms. Using 10-d lethality bioassays with the epibenthic amphipod Melita plumulosa, different combinations of intermittent (pulsed) dissolved Cu expo...

journal_title：Environmental toxicology and chemistry

authors： Angel BM,Simpson SL,Jolley DF

更新日期：2010-12-01 00:00:00

abstract：:To gain new insight into the mechanism of selective cytotoxicity of benzoylureas as insecticides, the in vitro mode of action of chlorfluazuron was investigated on lepidopteran Tn5B1-4 and Sf-21 cells and human Hek293 and HepG2 cells. Chlorfluazuron inhibited the proliferation of Tn5B1-4 and Sf-21 cells with 50% inhib...

journal_title：Environmental toxicology and chemistry

authors： Huang Q,Wu X,Yu X,Zhang L,Lu M,Tao L

更新日期：2015-07-01 00:00:00

abstract：:Riverine runoff samples were collected monthly from March 2005 to February 2006 from the eight major outlets of the Pearl River Delta (PRD), South China, and analyzed to obtain the concentrations of n-alkanes in both the filtrate and particulate phases. The average concentrations of Sigma(C15-C34) (i.e., sum of C15 to...

journal_title：Environmental toxicology and chemistry

authors： Wang JZ,Ni HG,Guan YF,Zeng EY

更新日期：2008-10-01 00:00:00

abstract：:The present study evaluated the use of the invasive clam Corbicula fluminea as a surrogate for metal accumulation in native mussels. The tissue concentrations of As, Cd, Cu, Hg, Mn, Ni, Pb, and Zn were analyzed in Corbicula and a native Unionid mussel species (Elliptio hopetonensis) collected from 13 sites in the Alta...

journal_title：Environmental toxicology and chemistry

authors： Shoults-Wilson WA,Unrine JM,Rickard J,Black MC

更新日期：2010-09-01 00:00:00

abstract：:Despite extensive studies of methylmercury (MeHg) toxicity in birds, molecular effects on birds are poorly characterized. To improve our understanding of toxicity pathways and identify novel indicators of avian exposure to Hg, the authors investigated genomic changes, glutathione status, and oxidative status indicator...

journal_title：Environmental toxicology and chemistry

authors： Jenko K,Karouna-Renier NK,Hoffman DJ

更新日期：2012-11-01 00:00:00

abstract：:Developing and validating quantitative cationic-activity relationships or (Q)CARs to predict the toxicity metals is challenging because of issues associated with metal speciation, complexation and interactions within biological systems and the media used to study these interactions. However, a number of simplifying as...

journal_title：Environmental toxicology and chemistry

authors： Walker JD,Enache M,Dearden JC

更新日期：2003-08-01 00:00:00

abstract：:Pharmaceuticals and personal care products (PPCPs) are emerging contaminants that have been found ubiquitously in wastewater and surface waters around the world. A major source of these compounds is incomplete metabolism in humans and subsequent excretion in human waste, resulting in discharge into surface waters by w...

journal_title：Environmental toxicology and chemistry

authors： Niemuth NJ,Jordan R,Crago J,Blanksma C,Johnson R,Klaper RD

更新日期：2015-02-01 00:00:00

abstract：:Monitoring and assessing the effects of contaminants in the aquatic eco-environment is critical in protecting human health and the environment. The zebrafish has been widely used as a prominent model organism in different fields because of its small size, low cost, diverse adaptability, short breeding cycle, high fecu...

journal_title：Environmental toxicology and chemistry

authors： Dai YJ,Jia YF,Chen N,Bian WP,Li QK,Ma YB,Chen YL,Pei DS

更新日期：2014-01-01 00:00:00

abstract：:Avian mortality events are common following large-scale oil spills. However, the sublethal effects of oil on birds exposed to light external oiling are not clearly understood. We found that American oystercatchers (area of potential impact n = 42, reference n = 21), black skimmers (area of potential impact n = 121, re...

journal_title：Environmental toxicology and chemistry

authors： Fallon JA,Smith EP,Schoch N,Paruk JD,Adams EA,Evers DC,Jodice PGR,Perkins C,Schulte S,Hopkins WA

更新日期：2018-02-01 00:00:00

abstract：:Bis(2-ethylhexyl) tetrabromophthalate (TBPH), a high production volume flame retardant chemical used as a replacement for banned flame retardants, has been detected in media and human and wildlife tissues globally. We describe bioaccumulation and biological effects from dietary exposure of TBPH to an estuarine fish, A...

journal_title：Environmental toxicology and chemistry

authors： Nacci D,Clark B,La Guardia MJ,Miller K,Champlin D,Kirby I,Bertrand A,Jayaraman S

更新日期：2018-09-01 00:00:00

abstract：:The ecotoxicological effects of octachlorostyrene (OCS) on the aquatic larvae of the nonbiting midges Chironomus riparius (Diptera, Chironomidae) were investigated by evaluating their responses in various biological organizations, from the molecular and biochemical to the ecophysiological levels. The results of the 24...

journal_title：Environmental toxicology and chemistry

authors： Lee SW,Park K,Hong J,Choi J

更新日期：2008-05-01 00:00:00

abstract：:Sulfonamides are a widely used class of antibiotics; however, there are few toxicological data available with which to conduct environmental risk assessments for these compounds. Therefore, the toxicity of four sulfonamides (sulfaguanidine, sulfathiazole, sulfamerazine, and sulfasalazine) to Hyalella azteca was assess...

journal_title：Environmental toxicology and chemistry

authors： Bartlett AJ,Balakrishnan VK,Toito J,Brown LR

更新日期：2013-04-01 00:00:00

abstract：:Adult African clawed frogs (Xenopus laevis) were collected from a corn-growing region (CGR) and a non-corn-growing region (NCGR) with different exposure profiles for atrazine and related triazines. Physical, chemical, and biological parameters from the catchment areas were also measured. Frogs were surveyed for possib...

journal_title：Environmental toxicology and chemistry

authors： Hecker M,Giesy JP,Jones PD,Jooste AM,Carr JA,Solomon KR,Smith EE,Van der Kraak G,Kendall RJ,Du Preez L

更新日期：2004-08-01 00:00:00

abstract：:Biofilms can make good bioindicators and biomarkers, offering a convenient tool to monitor metal contamination in streams that results from mine tailing sites. Biofilm metal content (Cu, Zn, Cd, Pb) as well as diatom diversity and the presence of teratologies (diatom abnormalities) were determined for biofilms from ri...

journal_title：Environmental toxicology and chemistry

authors： Leguay S,Lavoie I,Levy JL,Fortin C

更新日期：2016-06-01 00:00:00