(2)H and (19)F solid-state NMR studies of the ionic liquid [C(2)Py][BTA]-d(10) confined in mesoporous silica materials.

Ionic liquids confined in porous materials are important solvents which allow a simple heterogenization of homogenous liquids. The perdeuterated ionic liquid N-ethylpyridinium-bis(trifluoromethanesulfonyl)amide ([C(2)Py][BTA]-d(10)) was prepared and its bulk phase behavior was studied by differential scanning calorimetry (DSC) and temperature-resolved (2)H and (19)F solid-state NMR spectroscopy. Its bulk properties were compared to [C(2)Py][BTA]-d(10) confined in a mesoporous silica support material as model material usable in SILP catalysts.

Acute hepatitis C: high rate of both spontaneous and treatment-induced viral clearance.

Background & Aims: Acute hepatitis C virus infection accounts for approximately 20% of cases of acute hepatitis today. The aim of this study was to define the natural course of the disease and to contribute to the development of treatment strategies for acute hepatitis C virus.

Methods: The diagnosis of acute hepatitis C virus in 60 patients was based on seroconversion to anti-hepatitis C virus antibodies or clinical and biochemical criteria and on the presence of hepatitis C virus RNA in the first serum sample.

Dieting influences the menstrual cycle: vegetarian versus nonvegetarian diet.

Eighteen healthy, normal-weight women aged 19 to 27 years who had regular ovulatory menstrual cycles volunteered for the study. Blood was drawn on Mondays, Wednesdays, and Fridays throughout the control cycle and during a 6-week diet period that began with commencement of a new cycle. Nine women followed a vegetarian diet and nine a nonvegetarian diet.