scanning electron microscopy preparation and imaging for sem

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Ngày tải lên: 07/08/2014, 18:21

... Objectives and Work Plan The aim of the present research consortium is to develop and utilize new materials and structures to fabricate semiconductor gas sensors showing enhanced stability and reduced ... epitaxial growth of semiconductor thin films and layered materials and by a proper choice of doping and catalyst elements as well as by integrating several sensing elements on one chip, and by reducing ... structure for gas sensors In the last part of the project we will more characterizations for the films and try to improve the sensitivity and selectivity using different catalyst materials and film...

Ngày tải lên: 20/03/2014, 13:05

... Radiation threats and your safety A guide to Preparation and REsponse for Professionals and Community Radiation threats and your safety A guide to Preparation and REsponse for Professionals and Community ... numerous guidance and planning documents, and some of that information keeps changing as new plans are drawn and new terminologies and acronyms are created Also, numerous fact sheets and information ... of radiation and radioactivity, at least for many, is formed by images of mushroom clouds, cinema and television dramatizations, and even cartoon characters The need for understanding radiation...

Ngày tải lên: 30/03/2014, 02:20

... A W and Wilson, A J (1993) Basic Biological Preparation Techniques for TEM, in Procedures in Electron Microscopy, Wiley, England, ch 5 Newman, G R and Hobot, J A (1993) Resin Microscopy and On-Section ... staining method for high resolution electron microscopy of viruses Biochim Biophys Acta 34, 60–71 Harris, J R (1997) Negative staining and cryoelectron microscopy, RMS Microscopy Handbook, Number ... wild-type and mutant streptolysin O J Struct Biol 121, 343–355 Specimens for Cryoelectron Microscopy 31 Preparation of Thin-Film Frozen-Hydrated/ Vitrified Biological Specimens for Cryoelectron Microscopy...

Ngày tải lên: 10/04/2014, 23:20

... SPECTROSCOPY AND IMAGING FOR IMPROVING CANCER DETECTION IN THE HEAD AND NECK AT ENDOSCOPY LIN KAN 2012 MULTIMODAL OPTICAL SPECTROSCOPY AND IMAGING FOR IMPROVING CANCER DETECTION IN THE HEAD AND NECK ... WLR imaging for improving cancer diagnosis and characterization at endoscopy We have developed an endoscope-based AF/DR spectroscopy and AF/WLR imaging system for cancer detection in the head and ... spectroscopy and trimodal endoscopic imaging system for in vivo tissue Raman measurements at endoscopy WLR, white light reflectance imaging; AFI, autofluorescence imaging; NBI, narrow band imaging. …………………………...

Ngày tải lên: 09/09/2015, 10:09

... and semi-automatically on PET images For delineating the PET/CT-GTV and the PET/CT-CTV, the operator considered both CT and PET information outlining the volume identified by one or by both imaging ... (66.7%) cases and disease-free and overall survival (DFS and OS) rates were 66.7% and 77.8% respectively Acute and late toxicity higher than grade (RTOG/EORTC) was observed in 7/27 (25.9%) and 1/27 ... study and drafted the manuscript MEM, LT, CB and LD were involved in data collection and review EM, BC and MC worked on analysis of data EI and MB participated in the design of the study and contributed...

Ngày tải lên: 09/08/2014, 08:22

... Technology Roadmap for Semiconductor DRAM Dynamic Random Access Memory NA Numerical Aperture MPU Microprocessor SThM Scanning Thermal Microscopy SJEM Scanning Joule Expansion Microscopy PID Proportional-integral-derivative ... convection and radiation In electronic devices, electron flow occurs in metals and semiconductors For heat, it flows through all materials Convection is the main heat transfer mechanism in liquids and ... insulators and semiconductors [2] Table 1.1 lists the typical range of values for the Chapter length and time scales of electrons and phonons This also defines the physical resolution limits for thermal...

Ngày tải lên: 09/09/2015, 18:57

... the potential future materials for advanced electronic applications Scanning probe microscopy techniques, Piezoresponse Force Microscopy (PFM) and Kelvin Probe Force Microscopy (KPFM) are used in ... hysteresis loop Forward and reverse coercive voltages, V+ and V−, nucleation voltages Vc+ and Vc− , + − and forward and reverse saturation and remnant responses, R0 , R0 , Rs+ and Rs− , are shown ... amplitude (dzz) and Surface potential results for all the samples under stress and magnetic field at location and Table 6.1 Mean domain angle under the unbiased and biased area for undoped and 2%Mg...

Ngày tải lên: 10/09/2015, 08:41

... cm-1 The surface and cross-section morphologies of the PVDF-SPS membrane were analyzed using the XL30 environmental scanning electron microscopy (ESEM) VG ESCA250 X-ray photoelectron spectroscopy ... K for h When the solution was cooled to the room temperature, the solution was immersed in deionized water for 48 h, and then the sulfonated copolymer washed with deionized water and dried for ... and phase inversion, and all of the other reagents were analytical grade 2.2 Preparation of the PVDF-based composite membrane The PVDF powders were basified firstly, and the double bond was formed...

Ngày tải lên: 05/09/2013, 16:11

... chunking results and Table shows the final NER F1 results We compare to the state-of-the-art methods of Ando and Zhang (2005), Suzuki and Isozaki (2008), and for NER—Lin and Wu (2009) Tables and show ... Carpenter, Percy Liang, Alexander Yates, and the anonymous reviewers for useful discussion Thank you to Andriy Mnih for inducing his embeddings on RCV1 for us Joseph Turian and Yoshua Bengio acknowledge ... C&W+Gaz Brown+Gaz Lin and Wu (2009), 3.4B Ando and Zhang (2005), 27M Suzuki and Isozaki (2008), 37M Suzuki and Isozaki (2008), 1B All (Brown+C&W+HLBL+Gaz), 37M All+Nonlocal, 37M Lin and Wu (2009), 700B...

Ngày tải lên: 20/02/2014, 04:20

... Single-particle EM of apoECD and ANP–ECD (A) Representative electron micrograph and (B) class averages obtained for apoECD Similar electron micrographs and class averages were obtained for ANP–ECD (C, D) ... single-particle EM and Trp fluorescence studies for the transmembrane signaling mechanism of the ANP receptor are discussed Results and Discussion EM and single-particle reconstruction From electron micrographs ... apoECD and ANP–ECD were aligned with each other for comparison, using the align3d command in eman (Fig 5) For clarity, the reconstructions are contoured at 70% of the expected molecular volume for...

Ngày tải lên: 07/03/2014, 03:20

Ngày tải lên: 14/03/2014, 13:20

... characterization Scanning and transmission electron microscopy (SEM and TEM) have been carried out in order to determine the degree of homogeneity and crystalline arrangement High-resolution TEM imaging ... High-resolution TEM imaging is useful for investigation of the termination of the nanowire lateral sides and apex Electron diffraction (ED) and analysis of zero-order and higher-order Laue-zones allows ... flexibility allows nano-manipulation for removal and positioning over Si-based substrates for functional characterization (see Fig 2b) High-resolution TEM and electron diffraction showed that the...

Ngày tải lên: 16/03/2014, 15:25

... for each episode For example, in ”go straight and make the first left you can, then go into the first door on the right side and stop” , LEFT and FIRST occur exactly once for the first action, and ... ”room”, ”doorway” and their plural forms map to DOOR, and the ordinal number will be represented by ”first” and ”1st”, and so on System 2: Baseline Suppose we have clean data and there is no need ... we need to detect and track both landmarks and actions A landmark is a hallway or a door, and an action is a sequence of a few moves one will make with respect to a specific landmark The moves...

Ngày tải lên: 17/03/2014, 04:20

... transform consists of a noise component and a signal component, with the noise affecting the accuracy of both amplitude and phase components Amplitudes are generally noisier for cryo -electron microscopy, ... (h,k ˆ 0, 2) and a higher resolution (1, )5) lattice line for comparison The phases are better clustered than the amplitudes for both lattice lines; this is expected for electron microscopy- derived ... amplitude and phase (in degrees) for a given re¯ection, with the z* value given by the tilt angle and the angle between the tilt axis and a* The trend of the data for the continuous transform along...

Ngày tải lên: 17/03/2014, 17:20

... surface band bending of the resistance and, by that, decouple the geometric and surface effects For that we need to calculate eS In the case D >> x0 , one treats the situation in a planar p and semi-infinite ... one hand, we performed AC sensor impedance measurements and, on the other hand, we performed simultaneous work function changes and DC sensor resistance measurements From the former, we have ... VS for all values of VS By using (8), (15) and (17) one obtains for the sensor layer resistance: use the results of the first analytical integration of the Poisson’s equation for a p-type semiconductor...

Ngày tải lên: 20/03/2014, 13:04

... SignalP/) and prediction of transmembrane regions was performed using the sosui engine, version 1.11 (http://bp.nuap.nagoya-u.ac.jp/sosui/) Tissue preparation for in situ hybridization and immunohistochemistry ... °C for 10 min) Postfixation was performed by treating the sections with a fresh solution of 2% paraformaldehyde in NaCl ⁄ Pi (10 mm sodium phosphate, pH 7.4, 0.1 mm KCl, 0.8% NaCl) for min, and ... 301–333 Anderson WA & Ellis RA (1967) Cytodifferentiation of the crayfish spermatozoon: acrosome formation, transformation of mitochondria and development of microtubules Zeitschrift fur Zellforschung...

Ngày tải lên: 30/03/2014, 01:20

... used for excavating soil, making foundationfor building, makingtrenchesfor pipe and cable laying, garbagehandling, widening of rural roadsand removalof bushesand trees etc Dozer is used for agriculturalland ... used for removal of mud and loose soil at canalworksite, for loading of crushed stonesinto the dumpersand trailers at stone crusherunit, for loading of salt into trucks and trailers, for handling ... handling of clay and soil and loading it into the trucks and trailersetc Backhoeis used for excavatingsoil, making foundationfor building, makingtrenchesfor pipe and cable laying, garbage handling, widening...

Ngày tải lên: 31/03/2014, 12:20

... and M.B.J Stokhof, editors, Truth, Interpretation and Information, pages 99-130 Forts, Dordrecht, Holland Martha E Pollack and Fernando C.N Pereira 1988 An integrated framework for semantic and ... Lambda Calculus: its Syntaz and Semantics North-Holland, Amsterdam, Holland .Ion Barwise and Robin Cooper 1981 Generalized quantifiers and natural language Linguistics and Philosophy, 4:159-219 ... Telephone and Telegraph Corp and by a gift from the Systems Development Foundation as part of a coordinated research effort with the Center for the Study of Language and Information, Stanford University...

Ngày tải lên: 31/03/2014, 18:20

... oleylamine and 0.64 mL of oleic acid were mixed together and were heated at 120∘C for one hour After that, the dark solution was quickly heated up to 200∘C and kept at this temperature for two hours ... morphology of the samples was investigated by transmission electronic microscopy (TEM, JEOL JEM-2010 (HT)) and highresolving transmission electron microscopy (HRTEM, JEM-2010 FET(UHR)) Photoluminescence ... stirring for 30 s, and then aged for three hours The Fe3 O4 /SiO2 nanoparticles were collected by centrifugation and washed with water and ethanol several times, and then redispersed in 10 mL of...

Ngày tải lên: 14/05/2014, 15:49