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24 Current news about the topic imaging

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Zoom in to watch DNA code being read

19-Jan-2018

Extraordinary images show one of fundamental processes of life Mechanism goes into overdrive in cancer - and could be target for new drugs Scientists have unveiled incredible images of how the DNA code is read and interpreted - revealing new detail about one of the fundamental processes of ...

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Microscope using UV instead of visible light emerging as diagnostic tool

06-Dec-2017

MUSE image of sebaceous glandA microscope using ultraviolet light to illuminate samples enables pathologists to assess high-resolution images of biopsies and other fresh tissue samples for disease within minutes, without requiring the time-consuming preparation of conventional slides or ...

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Visible signals from brain and heart

New sensor measures calcium concentrations deep inside tissue

01-Dec-2017

Key processes in the body are controlled by the concentration of calcium in and around cells. A team from the Technical University of Munich (TUM) and the Helmholtz Zentrum München have developed the first sensor molecule that is able to visualize calcium in living animals with the help of a ...

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Clever use of mirrors boosts performance of light-sheet microscope

21-Nov-2017

Using a simple "mirror trick" and not-so-simple computational analysis, scientists affiliated with the Marine Biological Laboratory (MBL) have considerably improved the speed, efficiency, and resolution of a light-sheet microscope, with broad applications for enhanced imaging of live cells and ...

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Extraordinarily strong nonlinear optical graphene-like material could renovate nonlinear photonics

The discovery could enable high resolution imagining at low-power

26-Oct-2017

Nonlinear optics is a key enabling technology of our modern society, such as in imaging and high-speed data communication. But the traditional devices suffer from relatively small nonlinear optical coefficients of conventional optical materials. An interdisciplinary team of scientists from Aalto ...

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Cool microscope technology revolutionises biochemistry

04-Oct-2017

We may soon have detailed images of life’s complex machineries in atomic resolution. The Nobel Prize in Chemistry 2017 is awarded to Jacques Dubochet, Joachim Frank and Richard Henderson for the development of cryo-electron microscopy, which both simplifies and improves the imaging of ...

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Quick and reliable 3-D imaging of curvilinear nanostructures

08-Sep-2017

Physical and biological sciences increasingly require the ability to observe nano-sized objects. This can be accomplished with transmission electron microscopy (TEM), which is generally limited to 2D images. Using TEM to reconstruct 3D images instead usually requires tilting the sample through an ...

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High resolution without particle accelerator

Physicists are first to achieve optical coherence tomography with XUV radiation at laboratory scale

10-Aug-2017

A visit to the optometrist often involves optical coherence tomography. This imaging process uses infrared radiation to penetrate the layers of the retina and examine it more closely in three dimensions, without having to touch the eye at all. This allows eye specialists to diagnose diseases such ...

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3-D imaging of surface chemistry in confinement

24-Jul-2017

EPFL researchers have developed an optical imaging tool to visualize surface chemistry in real time. They imaged the interfacial chemistry in the microscopically confined geometry of a simple glass micro-capillary. The glass is covered with hydroxyl (-OH) groups that can lose a proton - a ...

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Tilted microscopy technique better reveals protein structures

New cryo-EM method to facilitate a better understanding of proteins involved in disease

05-Jul-2017

The conventional way of placing protein samples under an electron microscope during cryo-EM experiments may fall flat when it comes to getting the best picture of a protein's structure. In some cases, tilting a sheet of frozen proteins -- by anywhere from 10 to 50 degrees -- as it lies under the ...

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