Decolorization of methyl red by a mixed culture of Bacillus sp. and Pseudomonas stutzeri.

The decolorization of methyl red directed toward rapid reduction of azo group by a mixed culture of Bacillus sp. and Pseudomonas stutzeri was investigated. The improvement of the decolorization of methyl red was obtained by a mixed culture (a mixed culture 2) with particular proportion of two bacteria (Bacillus sp.

Importance of packing coefficients of host cavities in the isomerization of open host frameworks: guest-size-dependent isomerization in cholic acid inclusion crystals with monosubstituted benzenes.

The crystal structures of inclusion compounds of cholic acid (CA) with 28 monosubstituted benzenes have been systematically investigated. All of the crystals belong to the monoclinic space group P2(1) and have bilayer structures with one-dimensional molecular channels that can include guest compounds. They are classified into four types of host frameworks that depend on the conformations and stacking modes of the host compound.

Advantage of monitoring skin vibration as an index of arteriovenous fistular blood flow.

Monitoring of the skin vibration is disturbed little by environmental noise. Therefore, the skin vibration is more relevant than bruit on the skin by means of monitoring the fistular blood flow. Frequency analysis of the skin vibration generated by an internal arteriovenous fistula indicated two peaks of power spectral density (PSD), one in the frequency range of 4-10 Hz and the other from 100-300 Hz.