Plasma vitamin B₁₂ concentrations of 16 elderly women were measured using the growth response of the microorganism, Ochromonas malhamensis. The method required major modifications which are described in detail. All wo ...

The reductive dechlorination of chlorobiphenyls in sediment by titanium(III) citrate-reduced vitamin Bus was studied in batch reactors. Long term ampoule studies demonstrated reductive dechlorination of sediment-sorbed 2 ...