Search Results - "Matula, T.I"

Analysis of pCU1 replication origins: dependence of oriS on the plasmid-encoded replication initiation protein RepA by Zoueva, O.P, Iyer, V.N, Matula, T.I, Kozlowski, M

“…The broad-host-range replicon of the plasmid pCU1 has three origins of vegetative replication called oriB, oriS, and oriV. In the multi-origin replicon,…”
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Alterations in gene expression in rat acinar cells following exposure to ciprofibrate by Gill, S.S., Matula, T.I., Bura, C.A.

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The effect of teas on the in vitro mutagenic potential of heterocyclic aromatic amines by Stavric, B., Matula, T.I., Klassen, R., Downie, R.H.

“…Water extracts of eight brands (five types: ‘green’, ‘black’, ‘oolong’, decaffeinated and instant) of common teas (derived from Camellia sinensis) and…”
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CO2 fixation by malic enzyme in a species of Micrococcus by Matula, T I, McDonald, I J, Martin, S M

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Mutagenic heterocyclic aromatic amines (HAAs) in ‘processed food flavour’ samples by Stavric, B., Lau, B.P.-Y., Matula, T.I., Klassen, R., Lewis, D., Downie, R.H.

“…Eight samples of ‘processed food flavours’ (PFFs), chosen from five different categories, were analysed for their mutagenic activity using the Ames Salmonella…”
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Molaeular changes in rat pancreas following exposure to fenofibrate or ciprofibrate by Gill, S.S., Lynn-Cook, B.D., Bura, C.A., Matula, T.I.

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Heterocylic aromatic amine content in pre-processed meat cuts produced in Canada by Stavric, B, Lau, B.P.Y, Matula, T.I, Klassen, R, Lewis, D, Downie, R.H

“…In an ongoing survey, the presence of heterocyclic aromatic amines (HAAs) was determined in processed, ready-to-eat meat products sold as 'meat cuts'. HAAs are…”
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Heterocyclic aromatic amine content in pre-processed meat cuts produced in Canada by Stavric, B., Lau, B.P.-Y., Matula, T.I., Klassen, R., Lewis, D., Downie, R.H.

“…In an ongoing survey, the presence of heterocyclic aromatic amines (HAAs) was determined in processed, ready-to-eat meat products sold as 'meat cuts'. HAAs…”
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In vitro investigation of toxaphene genotoxicity in S. typhimurium and Chinese hamster V79 lung fibroblasts by Schrader, T.J, Boyes, B.G, Matula, T.I, Héroux-Metcalf, C, Langlois, I, Downie, R.H

“…The polychlorinated pesticide toxaphene has been identified as a persistent environmental contaminant and is of particular concern in the Great Lakes and…”
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Evaluation of hamburgers and hot dogs for the presence of mutagens by Stavric, B., Matula, T.I., Klassen, R., Downie, R.H.

“…Food products derived from heat-treated (fried, broiled, baked) meat may contain traces of mutagenic heterocyclic amine contaminants, some of which are proven…”
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Analysis of commercial bouillons for trace levels of mutagens by Stavric, B, Matula, T I, Klassen, R, Downie, R H

“…A new method, developed specifically for the extraction of heterocyclic aromatic amine (HAA) type mutagens from different food matrices, was applied to various…”
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The classification of chemical carcinogens by Matula, T I, Somers, E

“…Various approaches to classification of chemical carcinogens developed by international and national agencies are described. Special features of each…”
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Evaluation of the cytotoxicity and genotoxicity of the spermicides nonoxynol-9 and octoxynol-9 by Buttar, H S, Swierenga, S H, Matula, T I

“…The cytotoxic and genotoxic potentials of the spermicidal agents, nonoxynol-9 (N-9) and octoxynol-9 (0-9), were evaluated in in vitro test systems using rat…”
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Evaluation of genotoxicity of tert.-butylhydroquinone in an hepatocyte-mediated assay with V79 Chinese hamster lung cells and in strain D7 of Saccharomyces cerevisiae by Rogers, C G, Boyes, B G, Matula, T I, Stapley, R

“…tert.-Butylhydroquinone (TBHQ) has been reported to be genotoxic in some short-term assays but non-genotoxic in others. We have examined cytotoxicity and…”
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Mutagenicity of constituents identified in pulp and paper mill effluents using the Salmonella/mammalian-microsome assay by Nestmann, E R, Lee, E G, Matula, T I, Douglas, G R, Mueller, J C

“…About 300 compounds have been reported in the literature as constituents of pulp-mill effluent. Previously, in our screening program, 10 resin acids identified…”
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Evaluation of genotoxicity of N-nitrosodibenzylamine in Chinese hamster V79 cells and in Salmonella by Boyes, B G, Rogers, C G, Matula, T I, Stapley, R, Sen, N P

“…Health concerns have arisen due to the formation of N-nitrosodibenzylamine (NDBzA; CAS No. 5336-53-8) in pork processed in a new type of rubber netting. In…”
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Genetic toxicity of erythrosine in yeast by Matula, T I, Downie, R H

“…The genetic activity of erythrosine, a fluorescein dye used as a color additive, was studied in assays with growing cells of different strains of Saccharomyces…”
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Detection of the mutagenic activity of lead chromate using a battery of microbial tests by Nestmann, E R, Matula, T I, Douglas, G R, Bora, K C, Kowbel, D J

“…The potential mutagenicity of the carcinogen lead chromate was tested by the following battery of microbial tests: the Escherichia coli PolA+/PolA- survival…”
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