نتایج جستجو برای: anaerobic conditions
تعداد نتایج: 873382 فیلتر نتایج به سال:
Wallis, Craig (Baylor University, Houston, Texas) and Joseph L. Melnick. Thermal inactivation of poliovirus under anaerobic conditions. J. Bacteriol. 84:389-392. 1962.-Of the six strains of poliovirus tested (three antigenic types), none was stabilized at 50 C under anaerobic conditions. The previously reported stabilization of polioviruses using thioglycolate had been attributed to anaerobic c...
Different modified atmosphere conditions with various CO2 concentrations on microbial load (psychrophile, mesophile aerobic and anaerobic bacteria) and physico-chemical properties of barramundi (Lates calcarifer Bloch) fillets stored at 8°C were compared to determine the best packaging conditions. The gas conditions evaluated were 100% CO2 (M1), 75% CO2/25% N2 (M2), 50% CO2/50% N2 (M3), 25% CO...
Escherichia coli has been cultivated in a peptone water medium saturated continuously with nitrogen by use of a gas train so as to produce anaerobic conditions. Under these circumstances growth was greatly inhibited. Cultures which originally contained 11 million bacteria per cc. showed on the average only 32 million after 5 hours (as compared with 655 million in similar cultures saturated with...
Formate-grown cells of the obligately chemolithoautotrophic acidophile Thiobacillus ferrooxidans were capable of formate- and elemental sulfur-dependent reduction of ferric iron under anaerobic conditions. Under aerobic conditions, both oxygen and ferric iron could be simultaneously used as electron acceptors. To investigate whether anaerobic ferric iron respiration by T. ferrooxidans is an ene...
The anaerobic biodegradation of surfactants is used as an acceptability criterion in some environmental pieces of legislation (eco-label, risk assessment, etc.), without a proper evaluation of the relevance of such a characteristic. Available screening test methods to assess the anaerobic biodegradation do not simulate the real conditions prevailing in these anaerobic compartments but rather re...
Cellulose is a primary structural component of plants and one the most abundant polymers on Earth. Degradation this recalcitrant plant biomass an important process in global carbon cycle can potentially provide feedstock for biofuels. Fungi bacteria are organisms able to breakdown biomass-derived cellulose. Anaerobic bacteria, present cellulose degrading ecosystems, such as compost piles, soils...
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