Blocking the gatekeeper

Trusted Computing, or the Gatekeeper

Recent years have seen serious attacks on the backbone of our information society infrastructure. To mention a few, we want to draw the attention of the reader to the disastrous consequences of the Slammer worm which disconnected South Korea from the Internet, knocked out ATMs, and caused an estimated damage of 7.7 billion USD for removal and down-times. On the other hand, Internet commerce gro...

An Internet Gatekeeper

As needs for both connectivity and security increase, it becomes necessary for organizations to build and manage secure Internet gateways. IP is the internetworking protocol of today. Its use continues to grow. IP is the best-known protocol, it offers the user the best combination of services, and it is the protocol choosen by the main telecommunications carriers for their new services. IP is t...

Nicastrin: Gatekeeper of the γ-Secretase Complex

Platelets are formed by budding of cyto-plasm from megakaryocytes in the bone marrow. Although the splicing machinery is localized in the nucleus of megakaryocyte precursor cells, splicing factors begin to accumulate in the cytoplasm of mature mega-karyocytes. The splicing components together with specific partially spliced pre-mRNAs are included in the forming anucleate platelets. Upon stimula...

The ethical physician as negative gatekeeper?

Justus von Liebig: the chemical gatekeeper

being a mental patient in seventeenth-and eighteenth-century England, although in many ways they are also frustrating. In the Foreword, Roy Porter returns to a favourite theme from his book, A social history of madness (1987), the importance of listening to the voices of the mad, and Professor Ingram's Introduction provides a cogent analysis of the way in which these authors chose to make use o...