Bioelectrical activity of isolated ventral nerve cords of the cockroach, Periplaneta americana L., treated with toxaphene.

abstract：:In the present study, biochar particles (BPs) produced by the co-pyrolysis of sewage sludge and corncobs at temperatures of 300, 500, and 700°C were characterized. The Pb2+ adsorption properties and the heavy metal leaching toxicity rates of the BPs were investigated. It was found that the adsorption kinetics of the P...

journal_title：Bulletin of environmental contamination and toxicology

authors： Hong Y,Xu Z,Feng C,Xu D,Wu F

更新日期：2019-12-01 00:00:00

abstract：:The embryos and larvae of seven freshwater fish were exposed to low concentrations of cadmium in soft water. All species were killed or their growth retarded by concentrations ranging from about 4 to 12 microgram Cd/liter. The larvae were consistently more sensitive than the embryos. The agreement between these result...

journal_title：Bulletin of environmental contamination and toxicology

authors： Eaton JG,McKim JM,Holcombe GW

更新日期：1978-01-01 00:00:00

abstract：:Visible injury to apple foliage from exposure to ozone includes brown stippling on lower leaf surfaces and a light yellow mosaic on upper surfaces. Histologically, chlorophyll is destroyed and palisade and spongy mesophyll cells collapse following disintegration of their protoplasm. Foliar spray applications of the an...

journal_title：Bulletin of environmental contamination and toxicology

authors： Elfving DC,Gilbert MD,Edgerton LJ,Wilde MH,Lisk DJ

更新日期：1976-03-01 00:00:00

abstract：:This study was conducted to determine the concentration of 16 polycyclic aromatic hydrocarbons (PAHs) in sandstorm depositions in Beijing, China. The PAH concentrations in 13 samples collected in Beijing ranged from 0.18 to 3.52 microg g(-1). Analysis of the sources of contamination revealed that the PAHs were derived...

journal_title：Bulletin of environmental contamination and toxicology

authors： Fu S,Li K,Xia XJ,Xu XB

更新日期：2009-02-01 00:00:00

abstract：:Concentrations of organochlorine pesticides (OCPs) were measured in blood plasma of 13 species of birds collected from Ahmedabad, India. Among the various OCPs determined, HCHs and its isomers had higher contribution to the total OCPs. Concentration of summation operatorHCHs varied from 11.4 ng/mL in White ibis Thresk...

journal_title：Bulletin of environmental contamination and toxicology

authors： Dhananjayan V,Muralidharan S

更新日期：2010-08-01 00:00:00

abstract：:Soil, rock, potable water, animal food and human hair samples were collected from the Dashan village, a typical selenium (Se)-rich area of China. Se content and fraction distribution were determined to trace the source of soil Se and evaluate the potential health risk to humans. Total Se contents in soils ranged from ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Zhao B,Xing C,Zhou S,Wu X,Yang R,Yan S

更新日期：2020-04-01 00:00:00

abstract：:Effluents from on-site wastewater treatment systems can influence surface water quality, particularly when infrastructure is aging, malfunctioning, and improperly installed. Municipal wastewater often contains chemical compounds that can lead to adverse biological effects, such as reproductive impairment, in organisms...

journal_title：Bulletin of environmental contamination and toxicology

authors： Franco ME,Stroski KM,Sims JL,Burket SR,Ashcroft C,Luers M,Brooks BW,Lavado R

更新日期：2020-11-01 00:00:00

abstract：:The adsorption of contaminants plays an important role in the process of their elimination from a polluted environment. This work describes the issue of loading environment with lead Pb(II) and the resulting negative impact it has on plants and living organisms. It also focuses on bentonite as a natural adsorbent and ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Hegedűsová A,Hegedűs O,Tóth T,Vollmannová A,Andrejiová A,Šlosár M,Mezeyová I,Pernyeszi T

更新日期：2016-12-01 00:00:00

abstract：:We used a comparative approach to investigate the effects of a copper-based pesticide (EarthTec® QZ) on embryos of an invasive snail (Bithynia tentaculata) and a native snail (Physa gyrina). Embryos were exposed to one of three treatments: control (0 mg/L Cu2+), low-dose (0.1 mg/L Cu2+), or high-dose (0.6 mg/L Cu2+), ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Carmosini N,Gillis R,Ismail A,Sandland GJ

更新日期：2018-10-01 00:00:00

abstract：:Persistence behavior of two combination mix formulations of insecticides viz. profenofos + cypermethrin (Roket 44EC) and chlorpyrifos + cypermethrin (Nacraj-505) were studied in eggplant fruits following spray application at recommended and double dose. Half-life values were calculated from first order dissipation kin...

journal_title：Bulletin of environmental contamination and toxicology

authors： Mukherjee I,Aman Kumar,Ashok Kumar

更新日期：2012-03-01 00:00:00

abstract：:Antibiotics in manure, soil, wastewater, and groundwater samples from the livestock and poultry farms in Xuzhou City were investigated in the present study. The concentrations of antibiotics in all matrices varied greatly among farms. Total concentrations of fluoroquinolones and macrolides were much higher than those ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Gu D,Feng Q,Guo C,Hou S,Lv J,Zhang Y,Yuan S,Zhao X

更新日期：2019-10-01 00:00:00

abstract：:Knowledge of lethal and sublethal effects of crude oil and dispersants on mesozooplankton are important to understanding ecosystem impacts of oil spills in marine environments. Here we (1) establish median lethal concentrations for water accommodated fractions of Corexit EC9500A dispersant, MC-252 crude oil (WAF), and...

journal_title：Bulletin of environmental contamination and toxicology

authors： Cohen JH,McCormick LR,Burkhardt SM

更新日期：2014-04-01 00:00:00

abstract：:Effects of copper oxide nanoparticles (CuO NPs) were investigated in the midgut and fat body of Galleria mellonella. Fourth instar larvae were exposed to 10 µg Cu/L of CuO until becoming last instar larvae, and catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GPx), glutathione-s-transferase (GST) an...

journal_title：Bulletin of environmental contamination and toxicology

authors： Sezer Tuncsoy B,Tuncsoy M,Gomes T,Sousa V,Teixeira MR,Bebianno MJ,Ozalp P

更新日期：2019-03-01 00:00:00

abstract：:Contaminant accumulation analysis is important in the study of sentinels. This research determined cadmium accumulation and bioconcentration factors of whole organism, liver, kidney, ovary and testis of Fejervarya limnocharis exposed to different environmental cadmium levels. Frogs from contaminated sites had signific...

journal_title：Bulletin of environmental contamination and toxicology

authors： Othman MS,Khonsue W,Kitana J,Thirakhupt K,Robson MG,Kitana N

更新日期：2009-11-01 00:00:00

abstract：:The acute toxicities of five naphthoquinone compounds to Photobacterium phosphoreum were determined. We evaluated the mechanism of toxicity using the structure-activity relationship technique. The results showed that some factors, including the species of substituents, shape/size of molecule and oil-water partition co...

journal_title：Bulletin of environmental contamination and toxicology

authors： Ding F,Guo J,Li Z,Li LY,Zhang JY,Zhang JH,Lian J,Song WH,Zhu L

更新日期：2010-08-01 00:00:00

abstract：:DR-Congo is a main world producer of copper (Cu) and cobalt (Co). Several hydrometallurgical plants and smelters also produced zinc, arsenic, and cadmium as by-products. In Sudbury (Canada), the production of nickel, copper and other metals has been maintained at high levels while industrial SO(2) emissions have been ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Narendrula R,Nkongolo KK,Beckett P

更新日期：2012-02-01 00:00:00

abstract：:Industrial activities conducted in Northern Canada have raised concerns among Indigenous communities regarding wildlife contamination and potential consequences for human health. Therefore, an investigation on the chemical (metals/metalloids) and biological (parasite) burden of adult walleye (Sandervitreus) and northe...

journal_title：Bulletin of environmental contamination and toxicology

authors： Matwee L,Pietrock M

更新日期：2019-08-01 00:00:00

abstract：:This study reports the first evidence of domoic acid (DA), an algal neurotoxin produced by the genus Pseudo-nitzschia, from plankton net samples collected in the Sea of Marmara in December, 2010 and February, 2011. DA concentrations of plankton net samples were analyzed by high-performance liquid chromatography (HPLC)...

journal_title：Bulletin of environmental contamination and toxicology

authors： Dursun F,Yurdun T,Ünlü S

更新日期：2016-01-01 00:00:00

abstract：:We report the results of long term bio-assays on microorganism colonization of mine tailings samples, taken from the Valenciana mine tailings (Guanajuato, Mexico), under stable laboratory conditions (humidity, temperature, light exposure). In order to identify the main metabolic groups of the potentially colonizing mi...

journal_title：Bulletin of environmental contamination and toxicology

authors： García-Meza JV

更新日期：2008-01-01 00:00:00

abstract：:Bauxite residue, as solid waste from alumina production, contains mainly hematite [Fe2O3]. Kinetic study of iron leaching of bauxite residue by diluted sulfuric acid at atmospheric pressure has been investigated. The results have been obtained as following: (i) Temperature play an important role in iron leaching from ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Liu ZR,Zeng K,Zhao W,Li Y

更新日期：2009-01-01 00:00:00

abstract：:Assessment of concentrations of benzene and its derivatives in the Amur water and fish caught in summer and autumn 2006 was carried out after Jilin chemical plant accident (winter 2005) in the People’s Republic of China. Fish sampling of Leiocassis ussuriensis conducted in the Amur River near Khabarovsk identified ben...

journal_title：Bulletin of environmental contamination and toxicology

authors： Levshina SI,Efimov NN,Bazarkin VN

更新日期：2009-12-01 00:00:00

abstract：:Micronucleus test is an extensively used protocol to assess the mutagenicity of environmental chemicals. This was developed by Schmid and his co-workers (Matter and Schmid, 1971; Ledebur and Schmid, 1973). The micronucleus test is simple, quick and as sensitive as the chromosome aberration analysis. It is based on the...

journal_title：Bulletin of environmental contamination and toxicology

authors： Hemavathi E,Rahiman MA

更新日期：1996-02-01 00:00:00

abstract：:Amynthas agrestis and Metaphire hilgendorfi are being distributed across North America with unknown ecosystem impacts. Forest soils in urban areas sequester trace elements and earthworms may be bioaccumulating them. This study examined Cd, Cr, Co, Cu, Mn, Ni, Pb, V, and Zn in soils and earthworm tissues at 28 urban fo...

journal_title：Bulletin of environmental contamination and toxicology

authors： Richardson JB

更新日期：2019-09-01 00:00:00

abstract：:Heavy metal contamination in Chennai city was evaluated using a heavy metal pollution index (HPI) model in conjunction with the spatial distribution maps. Metals such as Cd, Cr, Cu, Pb and Zn in the groundwater were determined using standard methods and the resultant data was utilized in the development of a HPI model...

journal_title：Bulletin of environmental contamination and toxicology

authors： Sajil Kumar PJ,Davis Delson P,Thomas Babu P

更新日期：2012-10-01 00:00:00

abstract：:Phyllosilicate nanoparticles play an important role in regulating the biogeochemical processes of Fe(II) and As(III) in paddy soils due to their high mobility and activity. In the present work, two prepared muscovite nanoparticles with different sizes (LNPs and SNPs) were used to investigate the effect of the size of ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Cui HJ,Wang H,Wu C,Wei X,Liao W,Zhou W

更新日期：2020-08-29 00:00:00

abstract：:Dietary mercury exposure is associated with suppressed immune responsiveness in birds. This study examined the immune-responsiveness of domestic zebra finches (Taeniopygia guttata) experimentally exposed to mercury through their diet. We used the phytohemagglutinin (PHA) skin-swelling test to assay the effect of two m...

journal_title：Bulletin of environmental contamination and toxicology

authors： Caudill MT,Spear EL,Varian-Ramos CW,Cristol DA

更新日期：2015-04-01 00:00:00

abstract：:Rhesus monkeys were exposed to lead (Pb) acetate under various regimens during the first 12 months of life. At 30 months of age, these animals and unexposed controls were confined to an unfamiliar experimental chamber for one week. Serum cortisol concentration and Pb concentration in whole blood (PbB) were measured pr...

journal_title：Bulletin of environmental contamination and toxicology

authors： Bushnell PJ,Shelton SE,Bowman RE

更新日期：1979-08-01 00:00:00

abstract：:Melano-macrophage centers (MMCs) are nodular clusters of pigmented macrophages, implicated in homeostasis and destruction and recycling of endogenous and exogenous material. They can increase in size and/or frequency under environmental stress resulting in immunohistological biomarkers of water quality. Fluoxetine (FL...

journal_title：Bulletin of environmental contamination and toxicology

authors： Rey Vázquez G,Da Cuña RH,Dorelle LS,Lo Nostro FL

更新日期：2020-02-01 00:00:00

abstract：:In vitro short-term chronic phytotoxicity germination and root elongation test were applied to test the effects of nickel (Ni) in seed germination and root elongation in six plants species: Cucumis sativus (Cucurbitaceae), Lepidium sativum and Brassica nigra (Brassicaceae), Trifolium alexandrinum and Medicago sativa (...

journal_title：Bulletin of environmental contamination and toxicology

authors： Visioli G,Conti FD,Gardi C,Menta C

更新日期：2014-04-01 00:00:00

abstract：:Aquaculture is currently one of the most rapidly growing production sectors in Vietnam. This publication describes the concentrations of heavy metals in the farming environment and some aquaculture species in the Khanh Hoa Province in Vietnam. The concentration of total As in the sediments ranged from 0.07 to 0.64 mg/...

journal_title：Bulletin of environmental contamination and toxicology

authors： Nghia ND,Lunestad BT,Trung TS,Son NT,Maage A

更新日期：2009-01-01 00:00:00