C R ED IT :O G O B A R A D O U M B O María G. Guzmán, head of the virology department at the Tropical Medicine Institute Pedro Kourí (IPK), in Havana, Cuba,has more than 20 years of experience working on virology.With her husband and a group of distinguished collaborators, her work on dengue viruses in Cuba and abroad has contributed to knowledge of the pathogenesis, diagnosis, epidemiology, an...

One of the most remarkable innovations of the vertebrate adaptive immune system is the progressive organization of the lymphoid tissues that leads to increased efficiency of immune surveillance and cell interactions. The mucosal immune system of endotherms has evolved organized secondary mucosal lymphoid tissues (O-MALT) such as Peyer's patches, tonsils, and adenoids. Primitive semi-organized l...

nowadays, organizations are required to continually find new ways to grow in response to constantly changing challenges. in today’s dynamic work place, successful organizations need employees who do more than their role requirements. employees who perceive unfairness might lessen their extra-role behavior, while on the other hand employees who perceive fairness would want to contribute more to ...

Polarized secretion is crucial in many tissues. The conserved protein modification, O-glycosylation, plays a role in regulating secretion. However, the mechanisms by which this occurs are unknown. Here, we demonstrate that an O-glycosyltransferase functions as a novel regulator of secretion and secretory vesicle formation in vivo by glycosylating the essential Golgi/endoplasmic reticulum protei...

This paper addresses the problem of providing a parallel virtual memory system with an efficient swap file structure. It has been observed, experimentally, that the way data is organized in a parallel I/O environment greatly influences the I/O performance. Therefore, if virtual memory is to be implemented in parallel machines, its disk swap space organization will be one of the key factors dete...

Using meta-analytic path analysis, the authors tested several structural models linking agreeableness and conscientiousness to organizational citizenship behavior (OCB). Results showed that the 2 personality traits had both direct effects and indirect effects-through job satisfaction-on overall OCB. Meta-analytic moderator analyses that distinguished between individual- and organization-targete...

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introduction: this is a survey to the implementation of islamic standards in the hospitals of iran for attraction of medical muslim tourists. method: this is a cross-sectional study which was conducted in 2013 within a number of hospitals throughout iran. the data was collected by the check lists of islamic standards and subsequently was analyzed using spss software in terms of descriptive stat...