(n.) The act or process of contaminating; pollution; defilement; taint; also, that which contaminates.
Example Sentences:
(1) As the percentage of rabbit feed is very small compared to the bulk of animal feeds, there is a fair chance that rabbit feed will be contaminated with constituents (additives) of batches previously prepared for other animals.
(2) These results indicate that HBV markers in cord blood are either false-positive or due to contamination by maternal blood rather than an indication of in utero infection.
(3) There have been numerous documented cases of people being forced to seek hospital treatment after eating meat contaminated with high concentrations of clenbuterol.
(4) External exposures to a contaminated fishing net and fishing boat are considered pathways for fishermen.
(5) Comprehensive regulations are being developed to limit human exposure to contamination in drinking water by the United States Environmental Protection Agency (EPA) under the authority of the Safe Drinking Water Act (SDWA).
(6) In South Africa, health risks associated with exposure to toxic waste sites need to be viewed in the context of current community health concerns, competing causes of disease and ill-health, and the relative lack of knowledge about environmental contamination and associated health effects.
(7) The inhibitory effect was not due to contaminating rT3 in the liver homogenates.
(8) With an increased quantity o blood per taking by blood bactericidia a decreased contamination rate is to be expected.
(9) The behaviour of the enzyme from Candida utilis and from Baker's yeast on columns of these and of Blue Sepharose CL-6B was examined, together with the behaviour of the contaminating enzyme, ribulose 5-phosphate 3-epimerase (EC 5.1.3.1).
(10) The mining activity does not seem to have contaminated drinking water significantly.
(11) Furthermore, Methylene Blue contamination of the standard stain increased the rate of error in image analysis of white blood cell nuclei due to variations of staining intensity.
(12) Careless Herbicidal aerial spray of a field for weed control and defoliation of cotton before machine picking, resulted in the contamination of an adjoining reservoir, killing large volume of fish.
(13) Whereas the untreated Rhodobacter growth medium was contaminated with 1.2 ppb Mo, as analyzed by inductively coupled plasma mass spectrometry (ICP-MS), the activated carbon-treated medium was below the ICP-MS detection limit (less than 0.05 ppb).
(14) Released aggregates of the 19.6-kDa protein were removed from suspension by ultracentrifugation and separated from contaminating membranes by washing in 1.0% sodium dodecyl sulfate (SDS).
(15) The effect was shown to be due to caldesmon and not to a trace contaminant by its full reversibility after addition of a monospecific caldesmon antibody.
(16) On day 7, washes were collected as on day 0, and a collar was attached to the neck to prevent contamination from saliva.
(17) The continued expression was not due to the presence of antigen or of contaminating lymphocytes.
(18) Both techniques are used by industry and regulatory agencies to monitor levels of fungal contamination at various stages of food handling, storing, processing and marketing.
(19) In all iodine-deficient regions such as the GDR, a frequent occurrence of thyroid autonomy with manifestation of hyperthyroidism following iodine contamination has to be taken into account.
(20) The differences in the microbial contamination of air between the two buildings was the result of reconstructions concerning the ventilation system as well as of making it more effective.
Sludge
Definition:
(n.) Mud; mire; soft mud; slush.
(n.) Small floating pieces of ice, or masses of saturated snow.
(n.) See Slime, 4.
Example Sentences:
(1) A clinical investigation was made between workers exposed to dried sewage sludge dust and age matched controls not exposed.
(2) The basic pathways of its transformation were oxidation via formiate to CO2 with its partial reutilization and direct incorporation into the sludge biomass via the primary formation of serine.
(3) Since some genotoxic metals are diffused in the environment and are often sequestered as insoluble precipitates in water sediments and sludges, the introduction of NTA is likely to increase the risk of environmental pollution because of its ability to solubilize and make those metals reactive.
(4) Histological examination suggested that the gall sludge in the pancreatic cyst was caused by the reflux of bile into the pancreatic duct through the papilla of Vater.
(5) Distribution of polychlorinated biphenyls (PCB) in sewage wastes at a municipal sewage treatment plant was studied, showing that the great bulk of PCBs entering such a treatment plant become adsorbed onto the grit chamber solids and the sludge that is passed from the anaerobic digesters.
(6) In contrast to widespread distribution of PCBs in the environment, PCT residues were seldom found in samples from aquatic environments such as water and sludge and waterfowl and fish, and, if found, the levels of PCTs were so low as to be practically negligible.
(7) Gallbladder sludge produced internal echoes without a sonic shadow.
(8) Issues in differential diagnosis are discussed for the following findings: internal gallbladder echoes (calculi vs tumefactive sludge, air, hematobilia, parasitic infestation, cholecystosis, neoplasia, and artifacts), gallbladder wall thickening (acute cholecystitis vs acalculous cholecystitis, artifacts, ascites, hypoalbuminemia, hepatitis, and sclerosing cholangitis), pericholecystic fluid (cholecystitis vs ascites, perforated ulcer, and trauma), bile duct dilatation (biliary obstruction vs sclerosing cholangitis, biliary air, anomalous portal system, biliary atresia, Caroli disease, and cholangiocarcinoma), perinatal and neonatal biliary disease, and sclerosing cholangitis.
(9) However, no countermeasures for this have been developed, nor has any system for the measurement of the H2S held in sewerage water and sludge been established yet.
(10) At present it is not possible to quantify the effects attributed to acid rain only; account must be also be taken of cadmium added to, e.g., soil by use of sewage sludge and other fertilizers.
(11) Activated sludge extracts made from different treatment plants varied in efficacy in evoking maximal viable counts.
(12) Most obvious differences can be found for Cd: While the concentrations of soluble Cd in anaerobically digested sludge only increase at pH values lower than pH 4, the solubility of Cd in precipitation sludge and limed sludges already show rapid increases at pH values lower than 7.
(13) The microbiological composition of broiler and pig sludge did not differ.
(14) The transformation and toxicity of trichlorophenols (TCPs) were studied with a methanogenic enrichment culture derived from sewage sludge.
(15) Counts of all fungi were significantly increased at certain treatments with sludge, except those of Aspergillus niger (at the high dose after 6 weeks), Fusarium (at each of the three doses after 3 weeks and at the high dose after 6 weeks) and Paecilomyces varioti (by the medium and the high doses after 1 week) whose counts were significantly lower than those in untreated soil.
(16) The infectious agent, S. typhi-murium, was isolated not only from several inmates but also from sick cows of the farm belonging to the home, in animal feed, from employees of the local butcher's shop, and finally in sludge from the local sewage plant.
(17) The transitive cerebral distension which is necessary for the neuro-surgeon during interventions is obtained by moderate controlled hyperventilation, deliberate arterial hypotension, application of the anti-sludge therapy for the cerebral microcirculation.
(18) This technique proved to be rapid and reliable for the enumeration of salmonellae in water, waste water, and waste-water sludges.
(19) These elements originated from the wastewater sludge.
(20) Although ultrasound is effective in demonstrating the anatomical features of prolonged gallbladder stasis including sludge, stones, and thickened gallbladder wall, it cannot detect cystic duct patency.