As a high quantity of melanin can lead to hyperpigmentation or skin cancer in humans and it can also activate lysosomal enzymes so in the present study the changes in lysosomal enzymes upon exposure of HeLa cells to melanin has been studied. The HeLa cells were exposed to 100 ppm ...
This latter unit consists of an injection cooler (quencher), two rotary scrubbers, and a jet scrubber. The cleaned flue gas is reheated in two heat exchangers and is discharged from a suction blower through a 100 m high chimney into the atmosphere. Around the chimney several measuring ...
Résumé Recherches expérimentales sur la sensibilité au virus de l'ostéopétrose chez des poussins résistant à la leucose. Des poussins de deux lignées aviaires, présentant une résistance génétiquement certaine contre les virus de la leucose et le développement d'une leucose ...