نتایج جستجو برای: sem techniques

تعداد نتایج: 688367  

Journal: :Journal of nematology 1986
J D Eisenback

Second-stage juveniles of Meloidogyne incognita were prepared by several different techniques for scanning electron microscopy (SEM). Sequential fixation in the cold (4-8 C) was superior to rapid fixation at room temperature, glutaraldehyde and glutaraldehyde-formalin were better fixatives than formalin alone, and critical point drying with carbon dioxide or Freon gave similar results that were...

2014
Yessi Jusman Siew Cheok Ng Noor Azuan Abu Osman

This paper investigated the effects of critical-point drying (CPD) and hexamethyldisilazane (HMDS) sample preparation techniques for cervical cells on field emission scanning electron microscopy and energy dispersive X-ray (FE-SEM/EDX). We investigated the visualization of cervical cell image and elemental distribution on the cervical cell for two techniques of sample preparation. Using FE-SEM/...

2012

With the ever-increasing acceptance of the need to empirically validate theories in the social science disciplines (e.g., Sheth, 1971), data and multivariate analysis techniques (e.g., Hair et al., 2010; Hair et al., 2011b; Mooi and Sarstedt, 2011) play a central role in today’s research. The evolution of structural equation modeling (SEM) methods is perhaps the most important and influential s...

2017
Sartaj Ahmad Bhat Jaswinder Singh Adarsh Pal Vig

Instrumental analysis of vermicompost with the help of modern technologies provides essential information on its maturity, before it can be used for agricultural application. Nowadays, vermicompost is considered as a promising organic alternative to chemical fertilizers in agriculture and horticulture. The objectives of this review are to summarize the sophisticated instrumental techniques such...

2011
Javier Martínez Silvia Lisa Rosa Sánchez Wioleta Kowalczyk Esther Zurita Meritxell Teixidó Ernest Giralt David Andreu Jesús Avila María Gasset

BACKGROUND The capacity of a polypeptide chain to engage in an amyloid formation process and cause a conformational disease is contained in its sequence. Some of the sequences undergoing fibrillation contain critical methionine (Met) residues which in vivo can be synthetically substituted by selenomethionine (SeM) and alter their properties. METHODOLOGY/PRINCIPAL FINDINGS Using peptide synthe...

Journal: :Cadernos de Campo (São Paulo, 1991) 2016

1997
A. Wiessner

We designed and built a combination of a scanning tunneling microscope ~STM! and a scanning electron microscope ~SEM! which is working under ultrahigh vacuum conditions ~base pressure typically 7 • 10 mbar!. The SEM is ideally used for surveying the sample and to control the STM tip positioning, while the STM extends the resolution range into the atomic scale. The design concept allows moving t...

2005
Hak Soo Ju Dae Youb Kim Dong Hoon Lee Jongin Lim Kilsoo Chun

Recently, Libert and Quisquater showed that the fast revocation method using a SEcurity Mediator(SEM) in a mRSA can be applied to the Boneh-Franklin identity based encryption and GDH signature scheme. In this paper we propose a mediated identity based signature(mIBS) scheme which applies the SEM architecture to an identity based signature. The use of a SEM offers a number of practical advantage...

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