منابع مشابه
Phosphate: the Silent Challenge
Phosphorus (P) is one of the most vital elements for all living organisms which acts as aconstituent of essential biomolecules such as nucleic acids, phospholipids, and phosphosugars,and as a major contributor to almost all metabolic reactions including photosynthesis,respiration, and energy delivery. It is one of the most needed nutrients for plant growth anddevelopment. Despite high levels of...
متن کاملRecord ice retreat
The European Space Agency said that a series of photographs taken through September showed an ice-free passage along northern Canada, Alaska and Greenland as ice was retreating to its lowest level since images were first taken in 1978. The search for a route from the Atlantic around the top of North America and into the Pacific occupied explorers for centuries. Now a growing band of sailing adv...
متن کاملSecond Annual Neuroscience Retreat
Glial cells (astrocytes and oligodendrocytes) play a fundamental role in many brain functions such as propagation of axon potential, integration of neuronal inputs, modulation of synaptic activity and synaptic strength, modulation of glucose metabolism and extracellular ion concentrations, as well as regulation of synaptogenesis and neurogenesis. Glial cell dysfunction is involved in many neuro...
متن کاملDERT Annual Scientific Retreat
The potential use of variola virus, the causative agent of smallpox, as a bioweapon and the endemic presence of monkeypox virus in Africa demonstrate the need for better therapies for orthopoxvirus infections. Chemotherapeutic approaches to control viral infections have been less successful than those targeting bacterial infections. While bacteria commonly reproduce themselves outside of cells ...
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ژورنال
عنوان ژورنال: The Nonproliferation Review
سال: 2007
ISSN: 1073-6700,1746-1766
DOI: 10.1080/10736700701379229