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3,339 Newest Publications about the topic microscopes

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Antisolvent crystallization and solid‐state polymerization of bisphenol‐A polycarbonate

31-Mar-2016 | Xuesong Chang, Tongmei Ding, Hengshui Tian, Tiantian Wang, Journal of Applied Polymer Science, 2016

ABSTRACT Bisphenol‐A polycarbonate (BAPC) was synthesized by solid‐state polymerization (SSP) using a semicrystalline prepolymer crystallized by antisolvent method. The antisolvent crystallization was investigated as a function of antisolvent types using X‐ray diffraction (XRD), different ...

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The cutting of ultrathin sections with the thickness less than 20 nm from biological specimens embedded in resin blocks

31-Mar-2016 | Jana Nebesářová, Pavel Hozák, Luděk Frank, Petr Štěpan, Marie Vancová, Microscopy Research and Technique, 2016

ABSTRACT Low voltage electron microscopes working in transmission mode, like LVEM5 (Delong Instruments, Czech Republic) working at accelerating voltage 5 kV or scanning electron microscope working in transmission mode with accelerating voltage below 1 kV, require ultrathin sections with the ...

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Light sheet microscopy and live imaging of plants

28-Mar-2016 | BÉATRICE BERTHET, ALEXIS MAIZEL, Journal of Microscopy, 2016

Summary Light sheet fluorescence microscopy (LSFM) is increasingly used to investigate biological processes in animals as well as in plants. LSFM achieves optical sectioning by the selective illumination of a single plane of the sample with a sheet of laser light while simultaneously recording ...

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Micro‐CT scouting for transmission electron microscopy of human tissue specimens

08-Feb-2016 | A.G. MORALES, E.S. STEMPINSKI, X. XIAO, A. PATEL, A. PANNA, K.N. OLIVIER, P.J. MCSHANE, C. ROBINSON, A.J. GEORGE, D. ..., Journal of Microscopy, 2016

Summary Transmission electron microscopy (TEM) provides sub‐nanometre‐scale details in volumetric samples. Samples such as pathology tissue specimens are often stained with a metal element to enhance contrast, which makes them opaque to optical microscopes. As a result, it can be a lengthy ...

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Sample preparation of biological macromolecular assemblies for the determination of high-resolution structures by cryo-electron microscopy

01-Feb-2016 | Holger Stark; Ashwin Chari, Journal of Electron Microscopy, 2016

Single particle cryo-EM has recently developed into a powerful tool to determine the 3D structure of macromolecular complexes at near-atomic resolution, which allows structural biologists to build atomic models of proteins. All technical aspects of cryo-EM technology have been considerably ...

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Unclonable Plasmonic Security Labels Achieved by Shadow‐Mask‐Lithography‐Assisted Self‐Assembly

29-Jan-2016 | Yuanhui Zheng, Cheng Jiang, Soon Hock Ng, Yong Lu, Fei Han, Udo Bach, J. Justin Gooding, Advanced Materials, 2016

An unclonable plasmonic anti‐counterfeiting strategy is demonstrated, which involves the use of molecule‐embedded metal@silica core–shell nanoparticles as information carriers. A shadow‐mask‐lithography‐assisted self‐assembly is developed for the fabrication of the plasmonic security labels. ...

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A MEMS‐based heating holder for the direct imaging of simultaneous in‐situ heating and biasing experiments in scanning/transmission electron microscopes

28-Jan-2016 | Luigi Mele, Stan Konings, Pleun Dona, Francis Evertz, Christoph Mitterbauer, Pybe Faber, Ruud Schampers, Joerg R. Ji ..., Microscopy Research and Technique, 2016

ABSTRACT The introduction of scanning/transmission electron microscopes (S/TEM) with sub‐Angstrom resolution as well as fast and sensitive detection solutions support direct observation of dynamic phenomena in‐situ at the atomic scale. Thereby, in‐situ specimen holders play a crucial role: ...

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Backscattered electron SEM imaging of resin sections from plant specimens: observation of histological to subcellular structure and CLEM

28-Dec-2015 | N.W. RIZZO, K.E. DUNCAN, T.M. BOURETT, R.J. HOWARD, Journal of Microscopy, 2015

Summary We have refined methods for biological specimen preparation and low‐voltage backscattered electron imaging in the scanning electron microscope that allow for observation at continuous magnifications of ca. 130–70 000 X, and documentation of tissue and subcellular ultrastructure detail. ...

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Sensors, Vol. 15, Pages 31566-31580: Multidirectional Image Sensing for Microscopy Based on a Rotatable Robot

15-Dec-2015 | Shen, Yajing ; Wan, Wenfeng ; Zhang, Lijun ; Yong, Li ; Lu, Haojian ; Ding, Weili, Sensors, 2015

Image sensing at a small scale is essentially important in many fields, including microsample observation, defect inspection, material characterization and so on. However, nowadays, multi-directional micro object imaging is still very challenging due to the limited field of view (FOV) of ...

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Contrasting confocal with defocusing microscale spatially offset Raman spectroscopy

11-Dec-2015 | C. Conti, M. Realini, C. Colombo, A. Botteon, P. Matousek, Journal of Raman Spectroscopy, 2015

The study compares and contrasts conventional confocal Raman microscopy/spectroscopy (CRM) with a recently developed micrometer scale defocusing spatially offset Raman spectroscopy (micro‐SORS), a method providing a new analytical capability for investigating non‐destructively the chemical ...

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