Search Results - "Weber, Assi"

Transfer of Bacillus cereus spores from packaging paper into food by Ekman, Jaakko, Tsitko, Irina, Weber, Assi, Nielsen-LeRoux, Christina, Lereclus, Didier, Salkinoja-Salonen, Mirja

“…Food packaging papers are not sterile, as the manufacturing is an open process, and the raw materials contain bacteria. We modeled the potential transfer of…”
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biodegradation and disintegration of paper products in the composting environment by Venelampi, Olli, Weber, Assi, Ronkko, Timo, Itavaara, Merja

“…The compostability of several paper products was determined according to the standards and criteria of the European standardization committee (CEN). The lignin…”
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Degradation of paper mill water components in laboratory tests with pure cultures of bacteria by Lindberg, L E, Holmbom, B R, Väisänen, O M, Weber, A M, Salkinoja-Salonen, M S

“…The degradation of dissolved and colloidal substances from thermomechanical pulp (TMP) by bacteria isolated from a paper mill was studied in a laboratory slide…”
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Distribution of spore-positive and spore-negative nodules in stands ofAlnus glutinosa andAlnus incana in Finland by Weber, Assi

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The BIOSAFEPAPER project for in vitro toxicity assessments: Preparation, detailed chemical characterisation and testing of extracts from paper and board samples by Bradley, E.L., Honkalampi-Hämäläinen, U., Weber, A., Andersson, M.A., Bertaud, F., Castle, L., Dahlman, O., Hakulinen, P., Hoornstra, D., Lhuguenot, J.-C., Mäki-Paakkanen, J., Salkinoja-Salonen, M., Speck, D.R., Severin, I., Stammati, A., Turco, L., Zucco, F., von Wright, A.

“…Nineteen food contact papers and boards and one non-food contact board were extracted following test protocols developed within European Union funded project…”
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Toxicological profile of cereulide, the Bacillus cereus emetic toxin, in functional assays with human, animal and bacterial cells by Andersson, Maria A., Hakulinen, Pasi, Honkalampi-Hämäläinen, Ulla, Hoornstra, Douwe, Lhuguenot, Jean-Claude, Mäki-Paakkanen, Jorma, Savolainen, Martti, Severin, Isabelle, Stammati, Anna-Laura, Turco, Laura, Weber, Assi, von Wright, Atte, Zucco, Flavia, Salkinoja-Salonen, Mirja

“…Some strains of the endospore-forming bacterium Bacillus cereus produce a heat-stable ionophoric peptide, cereulide, of high human toxicity. We assessed cell…”
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Safety evaluation of food contact paper and board using chemical tests and in vitro bioassays: role of known and unknown substances by Honkalampi-Hämäläinen, U., Bradley, E.L., Castle, L., Severin, I., Dahbi, L., Dahlman, O., Lhuguenot, J.-C., Andersson, M.A., Hakulinen, P., Hoornstra, D., Mäki-Paakkanen, J., Salkinoja-Salonen, M., Turco, L., Stammati, A., Zucco, F., Weber, A., von Wright, A.

“…In vitro toxicological tests have been proposed as an approach to complement the chemical safety assessment of food contact materials, particularly those with…”
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Test procedures for obtaining representative extracts suitable for reliable in vitro toxicity assessment of paper and board intended for food contact by Bradley, E.L., Stammati, A., Salkinoja-Salonen, M., Andersson, M., Bertaud, F., Hoornstra, D., Zucco, F., Weber, A., Turco, L., Traussnig, H., Hakulinen, P., Speck, D.R., Von Wright, A.J., Honkalampi-Hämäläinen, U., Mäki-Paakkanen, J., Severin, I., Lhuguenot, J.-C., Dahlman, O.

“…This paper describes the use of a suite of extraction procedures applicable to the assessment of the in vitro toxicity of paper/board samples intended for…”
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Distribution of spore-positive and spore-negative nodules in stands of Alnus glutinosa and Alnus incana in Finland by WEBER, ASSI

“…The distribution of spore positive (Sp⁺) and spore negative (Sp⁻) nodules on the two native alder species (A. incana and A. glutinosa) in Finland was…”
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Nitrogen fixation in coniferous bark litter by WEBER, ASSI, SUNDMAN, VERONICA

“…Non-symbiotic heterotrophic N₂ fixation in coniferous bark litter was investigated with the acetylene reduction assay under aerobic and anaerobic conditions…”
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Nitrogen fixation and biomass production in some alder clones by Palmgren, Kristina, Saarsalmi, Anna, Weber, Assi

“…In a greenhouse experiment that lasted for two years, nitrogenase activity, height growth and biomass production was compared in six clones of alder of which…”
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Frankia-Alnus incana symbiosis: effect of endophyte on nitrogen fixation and biomass production by Weber, A. (Helsinki Univ. (Finland). Dept. of General Microbiology), Sarsa, M.L, Sundman, V

“…The efficiency of different Finnish Frankia strains as symbionts on Alnus incana (L.) Moench was evaluated in inoculation experiments by measuring nitrogen…”
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