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3,361 Newest Publications about the topic microscopes

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[Review] Atomic electron tomography: 3D structures without crystals

23-Sep-2016 | Jianwei Miao; Peter Ercius; Simon J. L. Billinge, Science , 2016

### BACKGROUND To understand material properties and functionality at the most fundamental level, one must know the three-dimensional (3D) positions of atoms with high precision. For crystalline materials, x-ray crystallography has provided this information since the pioneering work of Max von ...

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Plasmonic Imaging of Electrochemical Reactions of Single Nanoparticles

23-Sep-2016 | Yimin Fang; Hui Wang; Hui Yu; Xianwei Liu; Wei Wang; Hong-Yuan Chen; N. J. Tao, Accounts of Chemical Research, 2016

ConspectusElectrochemical reactions are involved in many natural phenomena, and are responsible for various applications, including energy conversion and storage, material processing and protection, and chemical detection and analysis. An electrochemical reaction is accompanied by electron ...

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A self‐adaptive and nonmechanical motion autofocusing system for optical microscopes

01-Sep-2016 | Yufu Qu, Shenyu Zhu, Ping Zhang, Microscopy Research and Technique, 2016

Abstract For the design of a passive autofocusing (AF) system for optical microscopes, many time‐consuming and tedious experiments have been performed to determine and design a better focus criterion function, owing to the sample‐dependence of this function. To accelerate the development of ...

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Analyzing Cell Death by Nuclear Staining with Hoechst 33342

01-Sep-2016 | Crowley, L. C., Marfell, B. J., Waterhouse, N. J., CSH Protocols, 2016

The nuclei of healthy cells are generally spherical, and the DNA is evenly distributed. During apoptosis the DNA becomes condensed, but this process does not occur during necrosis. Nuclear condensation can therefore be used to distinguish apoptotic cells from healthy cells or necrotic cells. Dyes ...

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Free and open‐source automated 3‐D microscope

29-Aug-2016 | BAS WIJNEN, EMILY E. PETERSEN, EMILY J. HUNT, JOSHUA M. PEARCE, Journal of Microscopy, 2016

Summary Open‐source technology not only has facilitated the expansion of the greater research community, but by lowering costs it has encouraged innovation and customizable design. The field of automated microscopy has continued to be a challenge in accessibility due the expense and ...

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Gold Nanomaterials in Consumer Cosmetics Nanoproducts: Analyses, Characterization, and Dermal Safety Assessment

26-Aug-2016 | Mingjing Cao, Jiayang Li, Jinglong Tang, Chunying Chen, Yuliang Zhao, Small, 2016

Establishment of analytical methods of engineered nanomaterials in consumer products for their human and environmental risk assessment becomes urgent for both academic and industrial needs. Owing to the difficulties and challenges around nanomaterials in complex media, proper chemical separation ...

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Development of electrostatic spherical aberration corrector using annular and circular electrodes

24-Aug-2016 | Tadahiro Kawasaki, Takafumi Ishida, Yasuyuki Takai, Yuki Ogawa, Masahiro Tomita, Takaomi Matsutani, Tetsuji Kodama, ..., Surface and Interface Analysis, 2016

The spherical aberration corrector for high‐resolution electron microscopes has been newly designed and constructed. This aberration correction device is formed by an electrostatic lens consisted of only two electrodes having annular and circular holes and a constant‐voltage supply. We call it ...

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Reduction of coherent artefacts in super‐resolution fluorescence localisation microscopy

19-Aug-2016 | PANTELIS GEORGIADES, VIKI J. ALLAN, MARK DICKINSON, THOMAS A. WAIGH, Journal of Microscopy, 2016

Summary Super‐resolution localisation microscopy techniques depend on uniform illumination across the field of view, otherwise the resolution is degraded, resulting in imaging artefacts such as fringes. Lasers are currently the light source of choice for switching fluorophores in PALM/STORM ...

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Frontiers in Nanoscale Electrochemical Imaging: Faster, Multifunctional, and Ultrasensitive

03-Aug-2016 | Minkyung Kang; Dmitry Momotenko; Ashley Page; David Perry; Patrick R. Unwin, Langmuir, 2016

A wide range of interfacial physicochemical processes, from electrochemistry to the functioning of living cells, involve spatially localized chemical fluxes that are associated with specific features of the interface. Scanning electrochemical probe microscopes (SEPMs) represent a powerful means ...

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Albumin microvascular leakage in brains with diabetes mellitus

22-Jun-2016 | Ryuji Fujihara, Yoichi Chiba, Toshitaka Nakagawa, Nozomu Nishi, Ryuta Murakami, Koichi Matsumoto, Machi Kawauchi, Te ..., Microscopy Research and Technique, 2016

ABSTRACT Their aim was to examine whether microvascular leakage of endogenous albumin, a representative marker for blood–brain barrier (BBB) damage, was induced in the periventricular area of diabetic db/db mice because periventricular white matter hyperintensity formation in magnetic ...

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