Standard Closure Operations on Several Rings of Dimension One

There are numerous results regarding the cardinality of the set of star and semistar operations on a domain R. However the cardinality of the set of such operations has only just begun to be examined in the non-domain setting. Epstein has shown a correspondence between the set of finite-type semistar operations of a ring and the finite-type standard closures of a ring. I will classify the set of finite-type standard closures on several rings of dimension one

New cytotoxic benzo(b)thiophenilsulfonamide 1,1-dioxide derivatives inhibit a NADH oxidase located in plasma membranes of tumour cells

A series of benzo(b)thiophenesulfonamide 1,1-dioxide derivatives (BTS) have been designed and synthesized as candidate antineoplastic drugs. Several of these compounds have shown in vitro cytotoxic activity on leukaemic CCRF-CEM cells. The cytotoxic BTS, but not the inactive ones, were able to inhibit a tumour cell-specific NADH oxidase activity present in the membrane of CCRF-CEM cells. © 2001 Cancer Research Campaig

Recent hypotheses concerning the pathogenic mechanisms of Prions diseases

La maturation anormale d’une protéine codée par l’hôte est l’événement cellulaire fondamental des maladies à Prions. Certains auteurs considèrent cette protéine comme étant l’agent pathogène, d’autres comme partie prenante d’un complexe protéine / acide nucléique encore inconnu. Les deux étiologies infectieuse et génétique de cette maladie supportent une pathogénicité complexe impliquant une interférence avec certaines séquences régulatrices fondamentales de la cellule hôte.The abnormal maturation of a host coded protein is the fundamental cellular event of Prion diseases. Some authors regard this protein as the pathogenic agent itself, some other as part of a yet unknown nucleic acid protein association. Both the genetic and infectious etiology of this disease support a complex pathogenicity implying an interference with some basic regulatory sequences of the host cell

Irradiation gamma de viandes à très basse température. Essai d’identification des voies de dégradation

Morre Jean. Irradiation gamma de viandes à très basse température. Essai d’identification des voies de dégradation. In: Bulletin de l'Académie Vétérinaire de France tome 118 n°8, 1965. pp. 325-328