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：:Phenolic compounds have been used because they are among the most toxic and ubiquitous environmental contaminants present in many industrial wastes. It is recognized that factors such as water hardness, pH, temperature, chemical formulation, species, age and/or stage of development of test organisms, to mention only a...

journal_title：Bulletin of environmental contamination and toxicology

authors： Barahona MV,Sánchez-Fortún S

更新日期：1996-02-01 00:00:00

abstract：:A decrease in the activity of choline acetyltransferase (ChAT) has been well documented in brains from individuals with Alzheimer's disease (AD) (Bird et al., 1983; McGeer, 1984). Decreased ChAT activity was also found in dialysis encephalopathy victims, but this reduction was less marked than that observed in AD (Yat...

journal_title：Bulletin of environmental contamination and toxicology

authors： Cherroret G,Desor D,Lehr PR

更新日期：1994-04-01 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：:The effect of LC(50) and a sublethal concentration of lead nitrate on the activities of alkaline phosphatase, acid phosphatase, glucose-6-phosphatase, lipase and urease in the kidneys and ovaries of a teleost fish, Channa punctatus has been examined after 96 hr and 30 days respectively. The results show that all the f...

journal_title：Bulletin of environmental contamination and toxicology

authors： Sastry KV,Agrawal MK

更新日期：1979-05-01 00:00:00

abstract：:Effects of toxaphene were studied with the ventral nerve cord (VNC) of the cockroach, Periplaneta americana (L). Intense forms of activity were observed in isolated nerve preparations treated with toxaphene. Latent periods between introduction of toxaphene and onset of intense activity decreased as the concentrations ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Dary CC,Crowder LA

更新日期：1979-03-01 00:00:00

abstract：:An oral dose of 0.5 mg/kg/day malathion continuously administered for one year has been investigated to produce no change in biochemical (RChE, PChE, aspartate- and alanine aminotransferases, blood glucose, serum urea and plasma total proteins) or haematological (Hb, PCV, tRBC and tWBC) parameters and, therefore, cons...

journal_title：Bulletin of environmental contamination and toxicology

authors： Gupta RC,Paul BS

更新日期：1978-12-01 00:00:00

abstract：:1. Three successive generations of the marine polychaetous annelid Neanthes arenaceodentata taken from a laboratory population, were continuously exposed to one of three sublethal concentrations of No. 2 Fuel Oil water-soluble-fraction (WSFs). During each generation larvae, juvenile, and immature adult polychaetes wer...

journal_title：Bulletin of environmental contamination and toxicology

authors： Rossi SS,Anderson JW

更新日期：1978-10-01 00:00:00

abstract：:The lead content of whole blood of 62 sheep grazed continuously for 6 months near a major highway was compared with 38 sheep from a nearby uncontaminated area. Mean values of 0.90 and 0.20 microgram/ml were obtained. Four sheep from the contaminated area were placed in an uncontaminated paddock and the lead content of...

journal_title：Bulletin of environmental contamination and toxicology

authors： Ward NI,Brooks RR,Roberts E

更新日期：1978-07-01 00:00:00

abstract：:The residual levels of piperolyn butoxide (PB) in agricultural products were investigated for 531 samples of 10 species. For the determination of PB a high speed liquid chromatograph equipped with a fluorometric detector was used. The detection limit of PB was 0.1 ppm. PB was detected from 3 barleys and 3 wheats harve...

journal_title：Bulletin of environmental contamination and toxicology

authors： Isshiki K,Tsumura S,Watanabe T

更新日期：1978-05-01 00:00:00

abstract：:The degree of interaction between mercury and cholinesterase inhibiting pesticides was determined by comparing enzyme responses to sublethal dosages of parathion or carbofuran in quail fed 0.05, 0.5, or 5.0 ppm morsodren for 18 weeks. A statistically significant interaction was defined as greater brain cholinesterase ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Dieter MP,Ludke JL

更新日期：1978-04-01 00:00:00

abstract：:Aroclor 1242 is inhibitory to long-term batch growth of Euglena gracilis at 10 ppm. Exposure to PCB's, subsequent to an initial drop of 50% in the first 30 minutes, does not appear to inhibit photosynthesis on a per cell basis over the time span of four hours. Consequently our experimental findings suggest that inhibi...

journal_title：Bulletin of environmental contamination and toxicology

authors： Bryan AM,Olafsson PG

更新日期：1978-03-01 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：:Mallard drakes accumulated mercury rapidly from dietary dosage of methylmercury dicyandiamide and eliminated it slowly, retaining approximately one half at the end of 84 days; no measurable loss occurred between the end of the 7th and 56th days, but loss resumed concurrently with new feather growth, and continued thro...

journal_title：Bulletin of environmental contamination and toxicology

authors： Stickel LF,Stickel WH,McLane MA,Bruns M

更新日期：1977-10-01 00:00:00

abstract：:Five-week-old female albino rats were given 0.2 or 20.0 mg of lead acetate by gastric intubation daily for seven days. Calcium-47, applied orally or intraperitoneally, was used as marker to assess calcium retention in the body and its excretion by faeces and urine. The animals were killed three days after the last app...

journal_title：Bulletin of environmental contamination and toxicology

authors： Gruden N,Buben M

更新日期：1977-09-01 00:00:00

abstract：:Groups of adult male rats were treated with DDT, DDVP or malathion orally for two or three weeks. Body weight and testis weight did not change. FSH and LH levels in serum also remained unchanged, whereas that of testosterone was decreased by DDT. This substance also diminished the concentration of testosterone in the ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Krause W

更新日期：1977-08-01 00:00:00

abstract：:A fungal parasite (Saprolegniales) of carp eggs was exposed to hexavalent and trivalent chromium compounds at concentrations identical to those used in a study of the effects of the same compounds on carp eggs hatchability. Comparison of data from both experiments revealed that increased egg mortality and increased fu...

journal_title：Bulletin of environmental contamination and toxicology

authors： Draggan S

更新日期：1977-06-01 00:00:00

abstract：:Results of these studies demonstrate that the blue crab was readily able to take up and discharge labeled n-alkanes, but it was not able to metabolize them. In contrast, it appears that n-alkanes taken up via the digestive tract in mullet are readily metabolized, probably via microorganisms in the gut. More limited me...

journal_title：Bulletin of environmental contamination and toxicology

authors： Geiszler PC,Grantham BJ,Blomquist GJ

更新日期：1977-04-01 00:00:00

abstract：:Lead levels in small mammals were studied in 6 areas -- 3 associated with highways of different traffic densities, and 3 control sites in forested areas. Lead levels were also studied in insects from 2 traffic areas and in earthworms from different distances from 2 traffic areas. Lead levels were low in insects rangin...

journal_title：Bulletin of environmental contamination and toxicology

authors： Goldsmith CD Jr,Scanlon PF

更新日期：1977-03-01 00:00:00

abstract：:We found selenium dixoide an effective antagonist to the toxic effects of mercuric chloride in the northern creek chub (Semotilus atromaculatus). Selenium pretreatment increased the whole body accumulation of mercury at lower environmental Hg concentrations. It decreased mercury accumulation in survivors at higher, ac...

journal_title：Bulletin of environmental contamination and toxicology

authors： Kim JH,Birks E,Heisinger JF

更新日期：1977-02-01 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：:"Squaxon" (1,1'methylenedi- 2 napthol; bis (2 hydroxy-1- naphthyl) methane) was discovered by MacPhee and Ruelle (1968, 1969) to exhibit piscicidal properties that are highly species specific. The chemical is lethal to the Northern (Ptychocheilus oregonensis) and the Umpqua (P. umpquae) squawfish, freshwater cyprinids...

journal_title：Bulletin of environmental contamination and toxicology

authors： Gabica J,Benson WW,Watson M

更新日期：1976-02-01 00:00:00

abstract：:The UV spectra of 29 chlorobiphenyls have been examined. With increasing chloro substitution in which there are less than two chlorine groups ortho to the Ph-Ph bond the lambdamax values for the K band (attributed to the conjugation between the two phenyl rings) are shifted to longer wavelengths and for the more high...

journal_title：Bulletin of environmental contamination and toxicology

authors： MacNeil JD,Safe S,Hutzinger O

更新日期：1976-01-01 00:00:00

abstract：:Mirex contaminated sediments of the static test retained virtually all of the insecticide over a 4 week period. About 40% of the initial concentration was lost from the sediment under constant flow conditions. Mirex in water was directly related to levels of mirex in sediment. Mirex in water reached an equilibrium dur...

journal_title：Bulletin of environmental contamination and toxicology

authors： Kobylinski GJ,Livingston RJ

更新日期：1975-12-01 00:00:00

abstract：:PCB levels were determined with maternal and cord blood sampled at the time of delivery. All of the twentyfour mothers selected for this experiment are residents to Tokyo Metropolitan area. Gaschromatographic patterns of PCBs in cord blood closely resembled those of mothers. The cord blood in general showed lower PCB ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Akiyama K,Ohi G,Fujitani K,Yagyu H,Ogino M

更新日期：1975-11-01 00:00:00

abstract：:Carbaryl produced moderate but significant inhibition of the development of the Ehrlich ascites tumor in mice and reduced appreciably the rates of incorporation of isotopically-labeled precursors into ribonucleic acid, deoxyribonucleic acid, and protein in Ehrlich ascites tumor cells in vitro. ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Walker EM Jr,Gale GR,Atkins LM,Gadsden RH

更新日期：1975-10-01 00:00:00

abstract：:The examination of ten arterial specimens from nine experimental dogs shows a generally persistent accumulation of cadmium in the blood vessels following acute cadmium exposure. Gel filtration analysis of the aorta revealed that this vascular cadmium is largely confined to the insoluble cellular compartment. The left ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Amacher DE,Ewing KL

更新日期：1975-10-01 00:00:00

abstract：:When male and female coturnix quail (Coturnix coturnix) were given a single subacute oral dose (5.62 mg/kg) of the avian frightening agent 4-aminopyridine (4AP) and paired with untreated mates, there was no effect on the reproductive performance of males; egg production of females was reduced the third week after trea...

journal_title：Bulletin of environmental contamination and toxicology

authors： Schafer EW,Brunton RB,Lockyer NF

更新日期：1975-06-01 00:00:00

abstract：:Mallard ducks were fed a control diet or a diet containing 0.5 or 3 ppm mercury (as methylmercury dicyandiamide) based on the dry feed. These mercury diets are approximately equivalent to 0.1 and 0.6 ppm mercury in a natural succulent diet. I measured for the ducklings the approach behavior in response to a tape-recor...

journal_title：Bulletin of environmental contamination and toxicology

authors： Heinz G

更新日期：1975-05-01 00:00:00

abstract：:We found that mercury potentiated the toxicity and biochemical effects of parathion. Male Coturnix quail (Coturnix coturnix japonica) were fed a sublethal concentration of morsodren (4 ppm as methyl mercury) for 18 weeks. This resulted in an accumulation of 21.0 ppm of mercury in the liver and 8.4 ppm in the carcass. ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Dieter MP,Ludke JL

更新日期：1975-03-01 00:00:00

abstract：:The lead content of various aluminum samples was determined. The amount of lead was found to be in the range from 28-45 ppm. The leaching of lead from aluminum products by 5% acetic acid was negligible at room temperature, but up to 2 mg/liter was leached at 85 degrees C. Although no significant health hazard exists i...

journal_title：Bulletin of environmental contamination and toxicology

authors： Henderson RW,Andrews D

更新日期：1975-03-01 00:00:00

abstract：:Water was sampled from a tributary of the Miramichi River of New Brunswick before, during, and up to two years after the final operational application of DDT to this area of forest. Gas chromatographic analysis of petroleum ether extracts of the water showed that only during and for a few hours after actual spray appl...

journal_title：Bulletin of environmental contamination and toxicology

authors： Yule WN,Tomlin AD

更新日期：1970-11-01 00:00:00

abstract：:Residues were analyzed in the fat of yearlings after exposure on pasture to continuous protection from horn flies with spray treatments of DDT. Eleven applications of 2 quarts of a 0.25 per cent suspension per head produced total residues of DDT, TDE and DDE that exceeded the acceptable tolerance of 7 p.p.m. when anim...

journal_title：Bulletin of environmental contamination and toxicology

authors： Haufe WO,Morley HV

更新日期：1970-09-01 00:00:00

abstract：:The organophosphorus insecticide, methidathion, degraded rapidly in a sandy loam, silt loam, clay loam and organic soil. Fifty percent of the initial applications decomposed in less than 2 weeks and more than 90% of the insecticide disappeared within 16 weeks. When soils were treated with methidathion containing(14)C ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Getzin LW

更新日期：1970-03-01 00:00:00

abstract：:High Voltage Electrophoresis with minimal cleanup is shown to be a rapid, convenient and reliable method for the detection of ionizable chlorinated herbicide residues in plant materials. The characteristic ion mobility of each herbicide offers a means for positive identification or confirmation. ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Purkayastha R

更新日期：1969-07-01 00:00:00

abstract：:Endrin (1 mg per kg body weight) was daily administered intraperitoneally to rats which were sacrificed in groups of 10 after 5, 12 and 19 days and analyses of blood serums were conpared to appropriate controls. No alterations were found in the concentrations of general serum protein or paper electrophoretically separ...

journal_title：Bulletin of environmental contamination and toxicology

authors： Coleman RL

更新日期：1968-11-01 00:00:00

abstract：CONCLUSIONS:Twenty five days of hourly air sampling at seven parking garages of the enclosed type indicated a mean carbon monoxide concentration of 58.1 ppm (S.D. ± 23.15, and S.E. ± 4.63). This degree of exposure for eight hours each day poses a potential occupational hazard to those already having some degree of impa...

journal_title：Bulletin of environmental contamination and toxicology

authors： Ramsey JM

更新日期：1967-05-01 00:00:00

abstract：CONCLUSIONS:Selective partition by vapor solvent sweeping, on borosilicate wool, of organochlorine pesticides from fruit and vegetable extracts in the present apparatus and with the present technique provides sufficient cleanup for subsequent electron capture detector analysis. Amounts of organochlorine pesticides from...

journal_title：Bulletin of environmental contamination and toxicology

authors： Mestres R,Barthes F

更新日期：1966-11-01 00:00:00