abstract：:Lindane, the gamma-isomer of hexachlorocyclohexane, one of the most widely used insecticides, was incorporated into carp food for 109 days. The effects of 10, 100, or 1000 ppm of lindane in food on hematocrits and on antibody production against Yersinia ruckeri bacterin in sera and mucus were followed for 79 days. No ...

journal_title：Ecotoxicology and environmental safety

authors： Cossarini-Dunier M,Monod G,Demael A,Lepot D

更新日期：1987-06-01 00:00:00

abstract：:Three related amides (diuron, 2-(octyloxy) acetanilide, and salicylanilide) were evaluated for toxicity to aquatic microcosm communities. Effects were measured at the ecosystem level using changes in pH, Eh (redox potential), and dissolved oxygen as indicators of toxicity. These values were used to calculate the resis...

journal_title：Ecotoxicology and environmental safety

authors： Flum TF,Shannon LJ

更新日期：1987-04-01 00:00:00

abstract：:A series of 22 chlorinated phenols was studied for their effects on photosynthesis of isolated chloroplasts. Each chlorophenol was an uncoupler, but the uncoupling activity depended upon substitution. The di-, tri-, or pentachloro substitution greatly enhanced the uncoupling activity. However, 2,6 substitution was not...

journal_title：Ecotoxicology and environmental safety

authors： Tissut M,Taillandier G,Ravanel P,Benoit-Guyod JL

更新日期：1987-02-01 00:00:00

abstract：:Juvenile rainbow trout (Salmo gairdneri) were exposed to 100 ppb mercury (as HgCl2) in the water for 14 days. Concentrations of mercury in water and fish organs were monitored using radiolabeled mercury. Tissues from kidney and liver were fixed, and sections were developed by autometallography, a method whereby accumu...

journal_title：Ecotoxicology and environmental safety

authors： Baatrup E,Nielsen MG,Danscher G

更新日期：1986-12-01 00:00:00

abstract：:Preimplantation rat embryos (8-cell, morulae, blastocysts) were incubated for 24 hr in vitro in a Brinster medium with or without cadmium chloride (1 microgram/ml). CdCl2 arrested the development of both the 8-cell and morulae into blastocysts. Morphologic observations revealed the 8-cell embryo to have shrunken cells...

journal_title：Ecotoxicology and environmental safety

authors： Abraham R,Charles AK,Mankes R,LeFevre R,Renak V,Ashok L

更新日期：1986-12-01 00:00:00

abstract：:Young brown bullhead (Ictalurus nebulosus) were exposed to aminocarb (4-dimethylamino-3-methylphenyl N-methylcarbamate) at lethal and sublethal concentrations and the tissue distribution of total unspecified residues was examined. The concentration of residues in each tissue increased with the concentration of exposur...

journal_title：Ecotoxicology and environmental safety

authors： Richardson GM,Qadri SU

更新日期：1986-10-01 00:00:00

abstract：:Effects of water-bourne toxicants on regeneration of arms by the brittle star, Ophioderma brevispina, are described. Regeneration was inhibited by 0.1 micrograms liter-1 bis(tri-n-butyltin)oxide and bis(triphenyltin)oxide. Both substances are known to act upon the nervous system, and it is suggested that inhibition wa...

journal_title：Ecotoxicology and environmental safety

authors： Walsh GE,McLaughlin LL,Louie MK,Deans CH,Lores EM

更新日期：1986-08-01 00:00:00

abstract：:In the adult Channa punctatus exposed to 500 ppm of the commonly used fertilizer ammonium sulfate for 6 months from January to June, ovarian growth was retarded significantly. The inhibition of the ovarian growth is reflected on the gonadosomatic index which was significantly reduced as compared with control. Apart fr...

journal_title：Ecotoxicology and environmental safety

authors： Ram RN,Sathyanesan AG

更新日期：1986-06-01 00:00:00

abstract：:Specimens of either sex of the freshwater catfish, Clarias batrachus, were exposed to safe and sublethal concentrations of gamma-BHC (2 and 8 ppm) and cythion (1 and 4 ppm) for 4 weeks during different phases of annual reproductive cycle. Their effects on free fatty acids (FFA) and acyl glycerides, viz., monoglyceride...

journal_title：Ecotoxicology and environmental safety

authors： Lal B,Singh TP

更新日期：1986-06-01 00:00:00

abstract：:In a thirty-day inhalation study male Wistar rats were continuously exposed to submicron aerosols of three different cadmium compounds. The cadmium chloride (CdCl2) and cadmium oxide (CdO) aerosol concentrations were 0.1 mg/m3 Cd. Because of its lower solubility the cadmium sulfide (CdS) level was 1 mg/m3 Cd. For CdCl...

journal_title：Ecotoxicology and environmental safety

authors： Glaser U,Klöppel H,Hochrainer D

更新日期：1986-06-01 00:00:00

abstract：:Cadmium effects on the bluegill sunfish (Lepomis macrochirus) were assessed histologically and biochemically and the effects were compared with effects on the ecologically relevant parameters of growth and survival. Growth and survival were monitored and tissues were removed for histopathological assessment of toxican...

journal_title：Ecotoxicology and environmental safety

authors： Versteeg DJ,Giesy JP

更新日期：1986-02-01 00:00:00

abstract：:Release rates into water of monolinuron, desmetryne, and carbofuran from three different types of formulations have been studied to control aquatic weeds in running waters. The migration of active ingredients (AI) from conventional wettable powder formulations was complete within 1 day, while the migration from ethyle...

journal_title：Ecotoxicology and environmental safety

authors： Bahadir M,Pfister G

更新日期：1985-10-01 00:00:00

abstract：:Initiating activity of quercetin was tested in rats which were treated with partial hepatectomy and given a liver cancer promoter, phenobarbital. A few intestinal neoplasms were seen but without significant difference in incidence from those in the quercetin-untreated group. Moreover, neither neoplastic nor preneoplas...

journal_title：Ecotoxicology and environmental safety

authors： Kato K,Mori H,Tanaka T,Fujii M,Kawai T,Nishikawa A,Takahashi M,Hirono I

更新日期：1985-08-01 00:00:00

abstract：:Twenty-three chlorinated monophenols were investigated for their uncoupling and inhibitory properties on plant mitochondria. All the studied compounds had uncoupling properties but their activity was submitted to quantitative changes from 1- to 400-fold, according to the substitution. They also had inhibitory properti...

journal_title：Ecotoxicology and environmental safety

authors： Ravanel P,Taillandier G,Tissut M,Benoit-Guyod JL

更新日期：1985-06-01 00:00:00

abstract：:The metabolism in the rat of 109Cd biocomplexes present in the tissues of the edible mussel Mytilus galloprovincialis, previously exposed to 109CdCl2, was studied. The tissue distribution and binding of 109Cd were compared to those caused by an equal dose of 109Cd as CdCl2 or rat liver Cd-metallothionein. Administrati...

journal_title：Ecotoxicology and environmental safety

authors： Marafante E,Nolan C,Lorenzon G

更新日期：1985-04-01 00:00:00

abstract：:3-Methyl-4-nitrophenol is a resultant metabolite inside the organism when fenitrothion (O,O-dimethyl O-(3-methyl-4-nitrophenyl) thiophosphate)-containing pesticides undergo a chemical change due to the action of liver cell enzymes. It is also used as a basic compound for synthesis in the chemical industry. Groups of C...

journal_title：Ecotoxicology and environmental safety

authors： Nehéz M,Huszta E,Mazzag E,Berencsi G

更新日期：1985-02-01 00:00:00

abstract：:The levels of total lipids, free fatty acids, cholesterol, and lipase activity were studied in selected tissues of Channa punctatus Bloch during individual and combined exposures of carbaryl and phenthoate. The total lipid levels decreased with elevated levels of free fatty acids and lipase activity during all exposur...

journal_title：Ecotoxicology and environmental safety

authors： Rao KS,Rao KR,Sahib IK,Rao KV

更新日期：1985-02-01 00:00:00

abstract：:To study the effects of inhaled NiO particles on alveolar macrophages and the humoral immune system, male Wistar rats were continuously exposed to NiO aerosols for 4 weeks and 4 months, respectively. Fractions of alveolar macrophages, granulocytes, and lymphocytes in lung lavages, number of polynucleated macrophages, ...

journal_title：Ecotoxicology and environmental safety

authors： Spiegelberg T,Kördel W,Hochrainer D

更新日期：1984-12-01 00:00:00

abstract：:The water flea (Daphnia magna) was used as a sensitive indicator for assessing the toxicity due to synthetic detergents. Acute and chronic toxicity of detergents to the water flea was studied under laboratory conditions by following the median tolerance limit (TLM) at 48 hr and the rate of survival. A significant decr...

journal_title：Ecotoxicology and environmental safety

authors： Lal H,Misra V,Viswanathan PN,Murti CR

更新日期：1984-10-01 00:00:00

abstract：:The effect of 2,4-dichlorophenoxyacetic (2,4-D) acid in artificial rain at pH 3.3 was examined for young plants of rape (Brassica napus L.) and white mustard (Sinapis alba L.). Plants were treated in a closed simulation chamber system with varying CO2 supply (198-418 ppm). Single or daily showers were applied for 20-3...

journal_title：Ecotoxicology and environmental safety

authors： Løkke H

更新日期：1984-08-01 00:00:00

abstract：:The 24-h toxicity of 20 substituted chlorophenols upon Lebistes reticulatus has been determined. The biological results have been tentatively connected with several of the following six parameters: logarithm of the octanol-water partition coefficient (log P); index of molecular connectivity (1 chi v); molecular refrac...

journal_title：Ecotoxicology and environmental safety

authors： Benoit-Guyod JL,Andre C,Taillandier G,Rochat J,Boucherle A

更新日期：1984-06-01 00:00:00

abstract：:The effects of 1.5 ppm of mercuric chloride (LC50/48 hr) on some enzymes and organic substances of liver tissue of Sarotherodon mossambicus were studied. Significant decreases in the activities of succinate dehydrogenases, lactate dehydrogenases, glucose-6-phosphate dehydrogenase, alkaline phosphatase, and acid phosph...

journal_title：Ecotoxicology and environmental safety

authors： Naidu KA,Naidu KA,Ramamurthi R

更新日期：1984-06-01 00:00:00

abstract：:The effects of trichloroethylene (TCE) and acrylonitrile (ACN) on growth, RNA synthesis, ribosome synthesis, and ribosome content were tested in yeast cells. TCE causes a delay of the growth of a cell culture (prolongation of the lag phase), but does not cause inhibition. Cells exposed to increasing concentrations of ...

journal_title：Ecotoxicology and environmental safety

authors： Lochmann ER,Ehrlich W,Mangir M

更新日期：1984-04-01 00:00:00

abstract：:The toxicity of a combination of nickel (Ni) and copper (Cu) toward growth of heterotrophic microorganisms was greater than the sum of the toxicity of each metal individually. This synergism between Ni and Cu was potentiated at acidic pH levels, with the potentiation of the toxicity being, for some organisms, an effec...

journal_title：Ecotoxicology and environmental safety

authors： Babich H,Stotzky G

更新日期：1983-12-01 00:00:00

abstract：:Polychlorinated biphenyl (PCB) pollution from shipbuilding in Nagasaki Bay, Japan, was discussed by determining PCB concentrations in sediment, in water, and in biological samples. PCBs were detected in all samples, in which much higher concentrations, more than 10 micrograms/g, were found in three sediment samples wh...

journal_title：Ecotoxicology and environmental safety

authors： Maruyama K,Sahrul M,Tanabe S,Tatsukawa R

更新日期：1983-10-01 00:00:00

abstract：:The ecological role of the marine ciliates is discussed with reference to the interaction of this group with contaminants. While the ciliates may be of some value in routine screening of potential toxins, simple laboratory bioassays are unlikely to be of predictive value in assessing threats to the marine environment....

journal_title：Ecotoxicology and environmental safety

authors： Parker JG

更新日期：1983-04-01 00:00:00

abstract：:The anthropogenic contribution to the global cadmium flux exceeds natural sources by a factor of three. The most important pathway is the atmosphere; therefore, high cadmium concentrations can be found even in remote areas. On a local level, the increase in cadmium consumption can be observed in increasing concentrati...

journal_title：Ecotoxicology and environmental safety

authors： Keller L,Brunner PH

更新日期：1983-02-01 00:00:00

abstract：:A study of the pathway of cadmium in the European Community (EC) has led to the development of a time-dependent computer model that relates past and present environmental cadmium levels to the inputs of cadmium. Information on the origin and movement of environmental cadmium through the different compartments of the b...

journal_title：Ecotoxicology and environmental safety

authors： van Enk RH

更新日期：1983-02-01 00:00:00

abstract：:The distribution and accumulation of acrylonitrile after the single i.p. injection of [2,3-14C]acrylonitrile were examined by whole-body autoradiography and by the determination of 14C radioactivities in several tissues and subcellular fractions after a whole-body perfusion. 14C Radioactivity was seen strongly in bloo...

journal_title：Ecotoxicology and environmental safety

authors： Sato M,Hirasawa F,Ogata M,Takizawa Y,Kojima H,Yoshida T

更新日期：1982-10-01 00:00:00

abstract：:Microsomal liver enzymes are induced in rats which are fed a diet containing 1000 ppm of phenobenzuron, a phenylurea herbicide, for 7 days: All parameters measured are about 50% higher than control values. This increase is lower after 14 feeding days. Diuron and 3,4-dichloroaniline have a similar, although lower, effe...

journal_title：Ecotoxicology and environmental safety

authors： Corthay J,Medilanski P,Benakis A

更新日期：1977-09-01 00:00:00

abstract：:There have been efforts to acquire information on the carcinogenic hazards of environmental materials to which humans are exposed since the earliest indications that chemicals can induce cancer in man. N-Nitroso compounds represent a major class of important chemical carcinogens and mutagens that have been implicated ...

journal_title：Ecotoxicology and environmental safety

authors： Olajos EJ

更新日期：1977-09-01 00:00:00