منابع مشابه
Tearing down the spindle
isassembly of the mitotic spindle takes some effort, according to Kan Cao, Yixian Zheng (Johns Hopkins University, Baltimore, MD), and colleagues, who show that an ATPase and its binding partners pull apart the spindle. The spindle is put together by assembly factors that are activated by the cyclin-dependent kinase Cdc2. The loss of Cdc2 activity at the end of mitosis has thus been the convent...
متن کاملTearing down the Internet
Recent advances in scale-free networks have claimed that their topologies are very weak against attacks. The inhomogeneous connectivity distribution of large-scale current communication networks, such as the Internet, could be exploited by evil hackers in order to damage these systems. However, there have not been many studies on the approaches and consequences of such targeted attacks. In this...
متن کاملTearing down actin
n page 987, Yu et al. identify a novel cell death pathway that bypasses mito-chondria. The results indicate that various strategies exist to kill off neurons. A lot of the killing of sympathetic neurons occurs in the first week after birth. During that paring period, ف 50% of sympathetic neurons die due to a lack of nerve growth factor (NGF). Neurons deprived of NGF in vitro die through the c...
متن کاملPinning down the Invisible Sneutrino
For points in SUSY parameter space where the sneutrino is lighter than the lightest chargino and next-to-lightest neutralino, its direct mass determination from sneutrino pair production process at e+e− collider is impossible since it decays invisibly. In such a scenario the sneutrino can be discovered and its mass determined from measurements of two-body decays of charginos produced in pairs a...
متن کاملTearing down the façades of radical innovation
a r t i c l e i n f o Managers construct organizational façades that mislead external stakeholders, organizational members, auditors, researchers, other managers, and even themselves (Nystrom & Starbuck, 1984). Very little empirical research has been conducted on how managers build these façades since Nystrom & Starbuck's first influential article. This paper reports on the creation of an organ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Mechanical Engineering
سال: 2006
ISSN: 0025-6501,1943-5649
DOI: 10.1115/1.2006-aug-4