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Seeing is believing: secrets of cells revealed

18.07.2006
With the advancement of technology we are managing to see ever smaller and smaller pieces of the puzzle that is life. The August 2006 issue of Microbiology Today, the quarterly magazine of the Society for General Microbiology, looks at vital role that microscopy plays to advance our understanding of the lives of some fascinating micro-organisms.
Fluorescence microscopy as a research tool in bacterial cell biology
Jeff Errington takes a look at the revolutionary new views of the subcellular organization of bacteria provided by immunofluorescence, GFP and digital imaging.

Investigating a bacterial killer using atomic force microscopy

Atomic force microscopy is a powerful technique for studying biological surfaces and molecular structure. In their article, Megan Núñez and Eileen Spain tell us how they have applied AFM to study the secret life of the predatory killer, Bdellovibrio.

Viruses and intracellular movement

As we’ve seen with SARS and bird ‘flu, viruses seem to have few problems travelling across continents – they use their hosts! But how do viruses, which have no independent means of locomotion, manage to move within and between the cells of their host? Tom Wileman uses fluorescence microscopy to find out.

Studying single molecules in microbial systems

Recent advances in imaging technologies have enabled researchers to pinpoint individual molecules in living cells. Christoph Baumann describes two key bacterial enzyme complexes that have advanced our understanding of ‘nanoscopic’ motion.

Can you see the light?

Recent advances in fluorescence imaging have lead to some amazing findings, but the technical challenges and baffling array of options have tended to restrict new technologies to a limited few. Iain Hagan and colleagues look at simple and affordable steps to exploit these developments.

These are just some of the articles that appear, together with all the regular features and reports of Society activities.

Faye Stokes | alfa
Further information:
http://www.sgm.ac.uk/

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Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Explanation for puzzling quantum oscillations has been found

So-called quantum many-body scars allow quantum systems to stay out of equilibrium much longer, explaining experiment | Study published in Nature Physics

Recently, researchers from Harvard and MIT succeeded in trapping a record 53 atoms and individually controlling their quantum state, realizing what is called a...

Im Focus: Dozens of binaries from Milky Way's globular clusters could be detectable by LISA

Next-generation gravitational wave detector in space will complement LIGO on Earth

The historic first detection of gravitational waves from colliding black holes far outside our galaxy opened a new window to understanding the universe. A...

Im Focus: Entangled atoms shine in unison

A team led by Austrian experimental physicist Rainer Blatt has succeeded in characterizing the quantum entanglement of two spatially separated atoms by observing their light emission. This fundamental demonstration could lead to the development of highly sensitive optical gradiometers for the precise measurement of the gravitational field or the earth's magnetic field.

The age of quantum technology has long been heralded. Decades of research into the quantum world have led to the development of methods that make it possible...

Im Focus: Computer-Designed Customized Regenerative Heart Valves

Cardiovascular tissue engineering aims to treat heart disease with prostheses that grow and regenerate. Now, researchers from the University of Zurich, the Technical University Eindhoven and the Charité Berlin have successfully implanted regenerative heart valves, designed with the aid of computer simulations, into sheep for the first time.

Producing living tissue or organs based on human cells is one of the main research fields in regenerative medicine. Tissue engineering, which involves growing...

Im Focus: Light-induced superconductivity under high pressure

A team of scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg investigated optically-induced superconductivity in the alkali-doped fulleride K3C60under high external pressures. This study allowed, on one hand, to uniquely assess the nature of the transient state as a superconducting phase. In addition, it unveiled the possibility to induce superconductivity in K3C60 at temperatures far above the -170 degrees Celsius hypothesized previously, and rather all the way to room temperature. The paper by Cantaluppi et al has been published in Nature Physics.

Unlike ordinary metals, superconductors have the unique capability of transporting electrical currents without any loss. Nowadays, their technological...

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