[Airports malaria: findings of a survey in Paris airports (author's transl)].

From 1976 to 1978, thirteen cases of malaria have been reported from France. Ten of them occurred in the vicinity of the airport Roissy-Charles de Gaulle. The entomological investigation which is described there have been performed to evaluate risk of local transmission and to plan prophylactic measures.

[Quantitative determination of the activity of acid peptidases of industrial origin].

Reagent ninhydrine-Cd++, reacts with free alpha and epsilon amino groups of proteins. Horse-heart apomyoglobin was subjected to exhaustive succinylation, rendering the product non reactive to ninhydrine. The succinylglobin was submitted to enzyme digestion at pH 2.