Effects of Functionalized Latex Particles and Anionic Surfactants on the Flow Behavior of Aqueous Gelatin Dispersions.

The flow behavior of aqueous gelatin dispersions containing latex particles with different surface characteristics is studied as a function of the concentration of anionic surfactants. The work describes the nature and strength of interactions occurring in the system. The study of the effects of individual components may help to gain information on the flow behavior of commercial photographic color coupler dispersions.

Caffeine pharmacokinetics during hyperbaric hyperoxia in humans.

The effect of hyperbaric hyperoxia on the pharmacokinetics of caffeine was investigated in human volunteers. Some 600 ml of coffee were administered to 2 volunteers and blood samples were serially collected for 24 h. The volunteers entered a hyperbaric chamber 2.