Inoculum size influences bacterial cross contamination between surfaces

Article Abstract:

Many factors that influence the transfer of bacteria from surface to surface are identified. Cross contamination rates are affected by type of bacteria, source and destination surfaces, time postinoculation and moisture level. The effect of innoculum size on transfer rate was highly statistically significant for all transfer rate data combined.

Microbiological research

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Vertical distribution of denitrification in estuarine sediment: Integrating sediment flowthrough reactor experiments and microprofiling via reactive transport modeling

Article Abstract:

The denitrification of human wastes by bacteria results into emission of nitrous oxide, which is a powerful pollutant. The denitrification rates are measured by nitrous oxide microprofiling in acetylene block core incubations and reactive transport modeling to measure the rate of denitrification at different depths in a macro tidal estuary.

Analysis, Denitrification, Estuarine ecology, Estuarine ecosystems

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Biotransformation of Hg (II) by cyanobacteria

Article Abstract:

The cyanobacterial species carry out bioreduction of mercury in acidic as well as alkaline environment. An initial thiol pool is required for conversion of mercury (HgII) to metacinnabar (HgS).

Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Mercury, Physiological aspects, Environmental aspects, Cyanobacteria, Mercury (Metal)

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