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Cryogenic Electron Microscopy: Improving Accuracy of Microbial Biofilm Imaging
Typically, sample preparation for electron microscopy (EM) results in samples that are dehydrated, and dehydrating a microbial sample can shrink and distort its shape, or morphology. So scientists at Pacific Northwest National Laboratory (PNNL) and Lawrence Berkeley National Laboratory turned to state-of-the-art electron microscopy approaches at the Department of Energy's EMSL to get a "wetter," thus better, understanding of the morphology of metal biotransforming bacteria and their interactions with minerals.more
Focussed Electron Beam Induced Processing: Improving VCSE Lasers
The vertical cavity surface emitting laser (VCSEL) is a semiconductor laser which is often used in data transmission for short-distance links like Gigabit Ethernet. These lasers are very popular in telecommunications because they consume little energy and can be simply fabricated in volumes of many tens of thousands on a single wafer. more
ESEM in Plant Sciences - Versatile Tool to Study Native & Hydrated Plant Surfaces
ESEM (Environmental Scanning Electron Microscopy) enables the investigation of native, hydrated and uncoated plant surfaces without further sample preparation and the in situ observation of dynamic processes at SEM resolution. A selection of representative plant samples and applications will be presented to show that ESEM is a versatile tool in plant science. moreJul. 30, 2010Acquisition of a Majority Shareholding
Tescan is pleased to announce the acquisition of a majority shareholding in Tescan USA as part of Tescan's growing global family of subsidiaries. Tescan USA will have the increased resources needed to expand and improve its team and capabilities in the USA, ensuring the highest level of support and commitment to our existing and future customers. more
Present Your Nano Masterpiece
Carl Zeiss invites all users of Zeiss electron and ion microscopes to enter the first Carl Zeiss Nano Image Contest -Think you´ve created a Nano-masterpiece? The four winners will receive a cinemizer plus 3D video viewer. Carl Zeiss is organizing a nano image competition for the first time. Entries to the online competition can be submitted from May 19 to August 29, 2010, on their Nano Technology Systems website. The competition is open to all users of Zeiss electron and ion microscopes around the world. moreMay. 17, 2010To 'See' Atoms for First Time
UCLA researchers (USA) report in the journal Cell that they have imaged a virus structure at a resolution high enough to effectively "see" atoms, the first published instance of imaging biological complexes at such a resolution. The research team, led by Hong Zhou, UCLA professor of microbiology, immunology and molecular genetics, used cryo-electron microscopy to image the structure at 3.3 angstroms. An angstrom is the smallest recognized division of a chemical element and is about the distance between the two hydrogen atoms in a water molecule. moreMay. 05, 2010To 'See' Atoms for First Time
UCLA researchers (USA) report in the journal Cell that they have imaged a virus structure at a resolution high enough to effectively "see" atoms, the first published instance of imaging biological complexes at such a resolution. The research team, led by Hong Zhou, UCLA professor of microbiology, immunology and molecular genetics, used cryo-electron microscopy to image the structure at 3.3 angstroms. An angstrom is the smallest recognized division of a chemical element and is about the distance between the two hydrogen atoms in a water molecule. more
Planar Surface Preparation for SEM
Gatan has introduced the Ilion+, a significant advance in the preparation of large planar cross sections for microscopic imaging and microanalysis. The Ilion+ is a dedicated, ion beam based system for the preparation of large area planar cross sections from challenging SEM samples. The product uses a proprietary milling system that exposes significantly greater areas than traditional FIB milling while encompassing a wider range of delicate samples not compatible with mechanical polishing and other techniques. more
Study of Vesicular Stomatitis Virus
Vesicular stomatitis virus (VSV) has long been a model system for studying and understanding the life cycle of negative-strand RNA viruses, which include viruses that cause influenza, measles and rabies. Research has shown that VSV has the potential to be genetically modified to serve as an anti-cancer agent, exercising high selectivity in killing cancer cells while sparing healthy cells, and as a potent vaccine against HIV. For such modifications to occur, however, scientists must have an accurate picture of the virus's structure. more
Launch of Next-Generation Tabletop SEM
Hitachi High-Technologies Corporation announced the development of the Tabletop Microscope TM3000. Shipments of the compact, affordably priced, and exceptionally user-friendly TM3000 are scheduled to start on April 1, 2010. more- Legal
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