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Cells use import machinery to export their goods as well

In the bustling economy of the cell, little bubbles called vesicles serve as container ships, ferrying cargo to and from the port - the cell membrane. Some of these vesicles, called post-Golgi vesicles, export cargo made by the cell's protein factory. Scientists have long believed that other, similar vesicles handle the reverse function, importing life-supporting nutrients and proteins through an independent process. By using a finely honed type of microscopy to more precisely examine these transactions, new research shows the processes are not as independent as assumed: certain molecules handle cargo moving in both directions.

Posted: Jun 26th, 2009

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Nanospritze injiziert Wirkstoffe in Zellen

Wissenschaftler vom Institut für Biomedizinische Technik der ETH Zürich haben eine Nanospritze entwickelt, mit welcher Medikamente, DNA und RNA in eine einzelne Zelle injiziert werden können, ohne diese zu verletzen.

Posted: Jun 26th, 2009

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BELLA: Accelerating science by accelerating electrons

Berkeley Lab scientists stunned the world in 2006 when they proved they could accelerate electrons to very high energies (1 GeV, or a billion electron volts) in a distance of centimeters rather than hundreds of meters. Using the same concepts, those scientists plan to take the project to the next level and build a laser-based accelerator capable of zapping electron beams to energies exceeding 10 GeV in a distance of just one meter.

Posted: Jun 26th, 2009

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Taking proteins for a ride

Ken Matsuoka and co-workers at the RIKEN Plant Science Center in Yokohama, Kyushu University in Fukuoka and Niigata University have discovered a subcellular structure in plants that carries proteins and glycans to the correct locations, especially outside of the cell.

Posted: Jun 26th, 2009

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Singularity University selects first 40 students

Singularity University - the new academic institution with the goal of preparing the next generation of leaders to address "humanity's grand challenges" - today announced the selection of 40 students to represent the inaugural class for the Graduate Summer Program.

Posted: Jun 25th, 2009

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Scientist creates model to design radiation-resistant materials

Composite materials such as fiberglass, which take on a mix of properties of their constituent compounds, have been around for decades. Now, an MIT materials scientist is taking composites to the nanoscale, where entirely new properties, not found in any of the original compounds, can emerge.

Posted: Jun 25th, 2009

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'Nano 2012' program is underway with 2.3 bilion euro funding

Nano 2012 is a cooperation program which aims to boost the technological lead and competitive position of the Grenoble area in the changing conditions of the global semiconductor industry and consolidate its leadership position in the development of (32 and 22 nm) CMOS technologies and derivative technologies for system-on-chips.

Posted: Jun 25th, 2009

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