Evaluation of bednets after 38 months of household use in northwest Ghana.

A total of 255 bednets were collected 38 months after distribution in Lawra District of northwest Ghana to examine their physical condition and residual insecticide levels. Physical condition varied from nearly pristine to highly damaged. In 50 selected nets, 2023 holes > or = 0.

Catalytic ring hydrogenation of phenol under supercritical carbon dioxide.

A charcoal-supported rhodium catalyst was highly active for the ring hydrogenation of phenol and cresols under supercritical carbon dioxide.