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nucleus News
Transport of Molecules Through Nuclear Pore Complex Shown for First Time
BERKELEY, Calif., Aug. 24, 2011 — The mechanism behind nuclear pore complexes — the cellular structures that control how materials move between the nucleus and the cytoplasm — has come more sharply into focus. Nuclear pore complexes (NPCs), which span the nuclear membrane in eukaryotic cells, play a fundamental role in many aspects of cellular physiology, including gene expression. Defects in NPC function are implicated in some autoimmune diseases, as well as leukemia and others cancers. Nuclear transport also...
Attosecond Lasers Produce Electron Movies
CAMBRIDGE, Mass., Aug. 16, 2011 — Hoping to gain a clearer understanding of what happens during chemical reactions, a team of researchers is working to create a laser device that can release bursts of laser light to capture individual electrons as they orbit the nucleus — much...
Bennett Joins Till Photonics
MUNICH, Germany, July 14, 2010 — Fluorescence microscopy systems provider Till Photonics GmbH announced recently the addition of Dr. Brian T. Bennett as its director of scientific business development for microscopy. Bennett began his career at the University of Massachusetts...
Laser Strips, Hollows Out Atoms
MENLO PARK, Calif., June 30, 2010 — The world’s brightest x-ray source has been used to strip neon atoms of all their electrons, and also to create "hollow" atoms, which are devoid of only their innermost electrons. The first published scientific results from the hard x-ray...
Electron Motion Filmed
LUND, Sweden, Feb. 28, 2008 -- An electron's rapid motion has been filmed for the first time, with attosecond laser pulses showing how an electron rides a light wave after being separated from an atom. Until now it has been impossible to photograph electrons, since their...
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May 2024
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