26 Current news of LMU


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Film in 4-D with ultrashort electron pulses

Electron pulses shortened to 30 femtoseconds duration - giving insight to atomic motions


A team from Ludwig-Maximilians-Universität (LMU) and Max Planck Institute of Quantum Optics (MPQ) has now managed to shorten electron pulses down to 28 femtoseconds in duration. Such shutter speeds enable us to directly observe the truly fundamental motions of atoms and molecules in solids, ...


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Laser-based molecular fingerprinting


Researchers and regulators in many fields often need to detect and measure levels of specific substances in a sea of irrelevant molecules, and infrared light offers an ideal tool for this task. Infrared radiation is invisible to the human eye, but molecules react with mid-infrared light in ways ...


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Mini X-ray source with laser light


Physicists from Ludwig-Maximilians-Universität, the Max Planck Institute of Quantum Optics and the TU München have developed a method using laser-generated X-rays and phase-contrast X-ray tomography to produce three-dimensional images of soft tissue structures in organisms With laser light, ...


DNA barcoding discloses diversity


LMU researchers have used DNA barcoding to elucidate the diversity of the sponge fauna found in Antarctic waters. The data provide new insights into the evolution of this poorly characterized group. Sponges constitute an important component of marine ecosystems in the waters around Antarctica. As ...


Bacterial defense policies


High-resolution cryo-electron microscopy has now revealed in unprecedented detail the structural changes in the bacterial ribosome which results in resistance to the antibiotic erythromycin. Multiresistant bacterial pathogens that are insensitive to virtually all available antibiotics are one of ...


Tracing how the embryo takes over


Embryonic development is initially controlled by maternal genetic information stored in the egg. LMU researchers now describe a methodology that allows the succeeding activation of the zygotic genome to be mapped at high resolution. In multicellular organisms, the earliest steps in embryonic ...


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200-year long dispute resolved: First direct evidence that elemental fluorine occurs in nature


Fluorine is the most reactive chemical element. That is why it is not found in nature in its elemental form, but only in compounds, such as fluorite – that was the accepted scientific doctrine so far. A special fluorite, the “fetid fluorite” or “antozonite”, has been the subject of many ...


High-resolution measurement of photocurrents


The continuing trend toward miniaturization in electronics demands the use of new materials. Components made of carbon nanotubes may meet this need – and the properties of single nanotube devices can now be characterized with the required resolution. Given the demand for further miniaturization ...


A nanoear to listen into the silence

Gold nanoparticles detect tiny acoustic vibrations


How noisy is a walking flea? What sorts of sound waves are caused by motile bacteria? Physicists at the Nanosystems Initiative Munich (NIM) have managed for the first time to detect sound waves at such minuscule length scales. Their nanoear is a single gold nanoparticle that is kept in a state of ...


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Taming light

White laser pulses with precisely tailored waveform enable the control of electrons in the microcosm


An expedition through the fast-paced microscopic world of atoms reveals electrons that spin around at enormous speeds and have gigantic forces are acting on them. Monitoring the ultrafast motion of these electrons requires ultrashort flashes of light. However, in order to control them, the ...


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