The combination of an optical probe and single-drop direct immersion microextraction (DI-SDME-OP) was used for the preconcentration and subsequent spectrophotometric determination of rhodamine 6G (Rh6G).The developed method is based on the formation of an ionic associate between Rh6G and picric acid at pH 3.0 and its extraction with amyl acetate.A
allflex 840 tags Soil properties can be affected by heavy equipment used for skidding but these impacts vary greatly with site conditions and operational practices.We assessed the effects of ground-based skidding on site disturbance and soil physical properties.We also tested the effects of skid trail slope and traffic frequency on soil compaction,
ObjectiveIncreased maternal adiposity during pregnancy is associated with offspring risk for psychiatric disorders.Inflammation secondary to adiposity is believed to be an important mechanism through which this effect occurs.Although increased adiposity introduces risk, not all children of overweight mothers develop these problems.Gestational facto