Abstract
| - The interaction of cyanobacterial biomass (Plectonema boryanum UTEX 485) with aqueous palladium(II) chloride(PdCl2°) has been investigated at 25−100 °C for up to 28 days. We report that the release of organic materials fromthe cyanobacteria promoted the precipitation of Pd(0) as crystalline spherical and elongate nanoparticles (≤30 nm),both in solution and as dispersed and encrusted nanoparticles on cyanobacterial cells. In contrast, under abioticconditions at 100 °C, palladium hydride (PdHx) was the principal palladium phase precipitated, with only minoramounts of palladium metal.
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