News tagged with pore complex
Biologists reveal structure of cell nucleus 'gatekeeper'
Oct 27, 2009 |
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(PhysOrg.com) -- Biologists led by associate professor Thomas Schwartz (MIT) have worked out a rudimentary architectural plan for the nuclear pore complex (NPC), the gatekeeper of the cell's nucleus.
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Scientists synthesize graphene-like material: Polymer with honeycomb structure
Nanotechnology / Nanomaterials
Nov 19, 2009 |
4.6 / 5 (8) |
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Two-dimensional carbon layers, so-called graphenes, are regarded as a possible substitute for silicon in the semiconductor industry. The electronic properties of these layers can be varied by "building in" ...
Astronauts inspect space shuttle in case of damage
Space & Earth / Space Exploration
Nov 17, 2009 |
5 / 5 (1) |
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(AP) -- Space shuttle Atlantis' astronauts scoured their ship Tuesday for any signs of launch damage while pursuing the International Space Station.
Research reveals lipids' unexpected role in triggering death of brain cells
Nov 12, 2009 |
4 / 5 (1) |
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The lipid that accumulates in brain cells of individuals with an inherited enzyme disorder also drives the cell death that is a hallmark of the disease, according to new research led by St. Jude Children's Research Hospital ...
A glimpse at the Earth's crust deep below the Atlantic
Space & Earth / Earth Sciences
Nov 12, 2009 |
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Long-term variations in volcanism help explain the birth, evolution and death of striking geological features called oceanic core complexes on the ocean floor, says geologist Dr Bram Murton of the National ...
LLNL licenses carbon nanotube technology to local company
Nanotechnology / Nanomaterials
Nov 12, 2009 |
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Lawrence Livermore National Laboratory has exclusively licensed to Porifera Inc. of Hayward a carbon nanotube technology that can be used to desalinate water and can be applied to other liquid based separations.
'No muss, no fuss' miniaturized analysis for complex samples developed
Chemistry / Analytical Chemistry
Nov 18, 2009 |
4.7 / 5 (3) |
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The goal of an integrated, miniaturized laboratory analysis system, also known as a "lab-on-a-chip," is simple: sample in, answer out. However, researchers wanting to use these microfluidic devices to analyze ...
Mysterious X-rays from a Nearby Galaxy
Nov 13, 2009 |
4.3 / 5 (15) |
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(PhysOrg.com) -- The nucleus of an active galaxy, an AGN, contains a massive black hole that is vigorously accreting material. In the process it typically ejects jets of particles and radiates brightly at ...
Report Says Musicians Hear Better Than Non-Musicians
Medicine & Health / Neuroscience
Nov 17, 2009 |
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(PhysOrg.com) -- The Journal of Neuroscience reports this week that musicians are better than non-musicians at recognizing speech in noisy environments. The finding from a study conducted by neurobiologists at Nor ...
Chromosomes dance and pair up on the nuclear membrane (w/ Video)
Nov 13, 2009 |
4.7 / 5 (3) |
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(PhysOrg.com) -- Meiosis - the pairing and recombination of chromosomes, followed by segregation of half to each egg or sperm cell - is a major crossroads in all organisms reproducing sexually. Yet, how the ...
Computer predicts reactions between molecules and surfaces, with 'chemical precision'
Chemistry / Analytical Chemistry
Nov 06, 2009 |
5 / 5 (2) |
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Good news for heterogeneous catalysis and the hydrogen economy: computers can now be used to make accurate predictions of the reactions of (hydrogen) molecules with surfaces. An international team of researchers, headed by ...
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