Tag: "electron" at biology news
UVa scientists detail salmonella protein
... teams at U.Va. and Rockefeller University used an electron
microscope,x-ray crystallography and 3-D reconstruction to image the SipA protein. They found that the molecule is unexpectedly compact, heart shaped, with a globular core, flexible polypeptide extensions and a large patch that may help SipA bind to...
Brookhaven Lab develops 'ThraxVac' to clean up anthrax
... spore destruction process using both transmission electron
microscopy and scanning electron
microscopy at Brookhaven. So far, test results are extremely promising. The final steps before comme...
Pathways of emotion from cortex to peripheral organs
...nd messages to the spinal cord. The team then used electron
microscopy to look at nerve endings in the hypothalamus. They saw that neurons from one area of the prefrontal cortex terminated in large 'boutons' in the hypothalamus. The appearance of these boutons suggested that the prefrontal neurons have an exc...
World's largest scientific society holds regional meeting in Long Beach, Calif.
... in water using hydrated electrons generated by an electron
beam. (Stephen P. Mezyk, California State University, Long Beach, Department of Chemistry and Biochemistry, 562-985-4649, email@example.com ) Saturday, Oct. 18 8:00 a.m. - 4:00 p.m. High School Teachers Day: Chemistry on a shoestring Morton Hoff...
Telescience recognized for facilitating biomedical research on a global network
The United States has not placed a high voltage electron
microscope in service for biomedical research sinc...one Web interface, a suite of tools for end-to-end electron
tomography including remote microscopy, bioinformatics, distributed computing, and collaborative vis...
Standard helps control quality of joint replacements
...g parameters, such as the type (gamma radiation or electron
beams), timing, and doses of radiation used for crosslinking. ...
Scientists decipher genome of bacterium that remediates uranium contamination, generates electricity
...e cytochromes. Those are proteins which facilitate electron
transfers and metal reduction during the organism's energy metabolism. The presence of those c-type cytochrome genes the most and the greatest variety found so far in a bacterial species are thought to give G. sulfurreducens a significant capacity ...
Leibniz Prizewinners 2004
...field of cancer treatment, while his research into electron
transport is central to photonics. Professor Carell is also using his expertise to produce and incorporate special nucleotide sequences into DNA, another field with massive potential. Carell embodies the ideal of a modern preparative chemist. His app...
Bacteria discoveries could resemble Mars, other planets
...nother sign of bacterial activity. They then used electron
microscopy that revealed tiny (two- to three-micrometer) spheres that looked like microbes in those same parts of the rock that contained the DNA and protein building blocks. There also was a significant difference in the levels of carbon, phosphorou...
Carnegie Mellon enhances Quantum Dot Corp. technology for long-term, live-animal imaging
..., then prove that the quantum dots were present by electron
microscopy. No other fluorescent label lets you verify its exact location on scales from the whole animal to molecular dimensions." Scientists also could modify the surface of these long-lived quantum dots by attaching both biological and non-biolo...
Protein data bank opens new era with broader support
... x-raycrystallography, nuclear magnetic resonance, electron
microscopyand other methods. After a scientist sub...to other 3-Dstructure fields with linkages made to electron
microscopy (EM)data. EM experimental data will make an enormous impact in thenext five years in mole...
Smallpox in 50-year-old tissues detected by integrated diagnostics approach
... were characteristic of poxvirus infection. Next, electron
microscopy allowed the team to examine the structure of the virus. Despite the condition of the sample, this analysis readily revealed viral particles consistent with a poxvirus in various stages of replication. Taken together, these results suggest...
Dazzling new light source opens at Stanford Synchrotron Radiation Laboratory
...tudying complicated biological systems. The first electron
beams circulated in the new SPEAR3 ring in mid-December 2003 and the first experiments are scheduled to begin in March. "SPEAR3 is a remarkable resource that will enable state-of-the-art science in numerous fields," said SSRL Director and Stanford Pr...
New X-ray sources speed protein crystallography
...inuously accelerate and recover the energy from an electron
beam. This device, called an Energy Recovery Linac (ERL), will be able to produce X-ray beams of unprecedented brilliance and small size. Gruner is the principal investigator on a proposal to the NSF to build an ERL prototype, based on collaborative ...
Capturing cell protein production in action could help fight antibiotic resistance
...It overcomes the problem of weak image contrast in electron
microscopy and avoids the difficult and time-consu...st. Also, the effect of freezing the sample before electron
microscopy reduces radiation damage. This makes it possible to apply a higher electron
dose, which g...
Workshop for new synchrotron light source at Brookhaven
...osed new advanced, third-generation, medium-energy electron
storage ring that will produce X-rays 10,000 times brighter than the current National Synchrotron Light Source (NSLS) at Brookhaven Lab. The unprecedented brightness of NSLS-II will lead to many advanced experimental capabilities in a wide range of s...
NETs protect against pathogenic bacteria
...e very thin filaments that are visible in scanning electron
microscopy (Fig. 1 and 2). The fibers are decorated with globular particles and bundle up to form more complex structures. One of the components of NETs is chromatin. This mixture of DNA and proteins is the repository of genetic information and norma...
Biology behind homosexuality in sheep, study confirms
...ation in Dubois, Idaho. Kay Larkin, Ph.D., an OHSU electron
microscopist who performed laboratory analysis for the study, said scientists now have a marker that points to whether a ram may prefer other rams over ewes. "There's a difference in the brain that is correlated with partner preference rather than ge...
Building the whole cell from pieces
...." Machines can be seen as fuzzy objects under the electron
microscope, but the resolution isn't high enough t... Patrick Aloy, from Rob Russell's group, combined electron
microscopy images (taken by the EMBL Group of Bettina Boettcher) with data from other experiments to...
New paclitaxel analog kills more cancer cells than natural product
...binding pocket has been visualized by some elegant electron
crystallography experiments carried out by scientists at the Lawrence Berkeley National Laboratory (Nogales et al., Cell, 1999, 96, 79). Paclitaxel consists of a rigid ring system attached to a flexible side chain, but the exact arrangement of the si...
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