نتایج جستجو برای: scanningelectron microscopy sem

تعداد نتایج: 241086  

2015
L Blazquez-Llorca E Hummel H Zimmerman C Zou S Burgold J Rietdorf J Herms

Advances in the understanding of brain functions are closely linked to the technical developments in microscopy. In this study, we describe a correlative microscopy technique that offers a possibility of combining two-photon in vivo imaging with focus ion beam/scanning electron microscope (FIB/SEM) techniques. Long-term two-photon in vivo imaging allows the visualization of functional interacti...

2016
Toshiyuki Takahashi Tomoki Nishida Akihiro Tuji Chieko Saito Ryo Matsuzaki Mayuko Sato Kiminori Toyooka Hidehiro Yasuda Hisayoshi Nozaki

The field of microbiology was established in the 17(th) century upon the discovery of microorganisms by Antonie van Leeuwenhoek using a single-lens microscope. Now, the detailed ultrastructures of microorganisms can be elucidated in situ using three-dimensional electron microscopy. Since the availability of electron microscopy, the taxonomy of microscopic organisms has entered a new era. Here, ...

2015
Suresh Sagadevan A. Veeralakshmi

Cadmium oxide (CdO) nanoparticles have been prepared by chemical coprecipitation method. The synthesized nanoparticles were characterized by X-ray diffraction analysis (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), UV analysis, and dielectric studies. The crystalline nature and particle size of the CdO nanoparticles were characterized by Powder X-ray diffract...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2013
Dong Ki Yoon Yun Ho Kim Dae Seok Kim Seong Dae Oh Ivan I Smalyukh Noel A Clark Hee-Tae Jung

Layering is found and exploited in a variety of soft material systems, ranging from complex macromolecular self-assemblies to block copolymer and small-molecule liquid crystals. Because the control of layer structure is required for applications and characterization, and because defects reveal key features of the symmetries of layered phases, a variety of techniques have been developed for the ...

2009
Hannah E. J. Armer Giovanni Mariggi Ken M. Y. Png Christel Genoud Alexander G. Monteith Andrew J. Bushby Holger Gerhardt Lucy M. Collinson

The study of biological processes has become increasingly reliant on obtaining high-resolution spatial and temporal data through imaging techniques. As researchers demand molecular resolution of cellular events in the context of whole organisms, correlation of non-invasive live-organism imaging with electron microscopy in complex three-dimensional samples becomes critical. The developing blood ...

2011
Kabkaew L. Sukontason Tarinee Chaiwong Urai Chaisri Hiromu Kurahashi Michelle Sanford Kom Sukontason

This work presents the ultrastructure of testis of the medically important blow fly, Chrysomya megacephala (Fabricius) (Diptera: Calliphoridae) using light microscopy and electron microscopy. Reproductive organ of males was dissected to determine the testis in the pupal stage, 3-day-old flies and 7-day-old flies and observed under scanning electron microscopy (SEM) and transmission electron mic...

2014
Bhawana Joyce L. Miller A. Bruce Cahoon

UNLABELLED PREMISE OF THE STUDY Focused ion beam-scanning electron microscopy (FIB-SEM) combines the ability to sequentially mill the sample surface and obtain SEM images that can be used to create 3D renderings with micron-level resolution. We have applied FIB-SEM to study Arabidopsis cell architecture. The goal was to determine the efficacy of this technique in plant tissue and cellular st...

2014
JULIANA R. DE ANDRADE IVANA CESARINO RUI ZHANG JERZY KANICKI AGNIESZKA PAWLICKA

Galvanostatic electrodeposition was used to produce transparent and amorphous WO3 films that showed color changes from clear to blue in response to the applied potential of ±1.0 V. The 61% in transmittance variation was measured at wavelength of 633 nm. The roughness of 16.7 nm was obtained by atomic force microscopy (AFM). The scanning electron microscopy (SEM) evidenced homogeneous morphology...

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