scholarly journals Impurities in Polyvinylpyrrolidone: the key factor in the synthesis of gold nanostars

2021 ◽  
Author(s):  
Patricia Taladriz-Blanco ◽  
Miguel Spuch-Calvar ◽  
Anselmo del Prado ◽  
Christoph Weder ◽  
Barbara Rothen-Rutishauser ◽  
...  
Keyword(s):  
Gold Nanostars ◽  
Anisotropic Nanoparticles ◽  
Key Factor

Control over the synthesis of anisotropic nanoparticles is crucial as slight differences in their size, shape, sharpness, or the number of tips in the case of gold nanostars, has an...

Understanding the role of AgNO3 concentration and seed morphology in the achievement of tunable shape control in gold nanostars

Nanoscale ◽  
2019 ◽  
Vol 11 (6) ◽  
pp. 2946-2958 ◽  
Author(s):  
Supriya Atta ◽  
Michael Beetz ◽  
Laura Fabris
Keyword(s):  
Shape Control ◽  
Seed Morphology ◽  
Gold Nanostars ◽  
Anisotropic Nanoparticles

Gold nanostars are one of the most fascinating anisotropic nanoparticles.

Attachment of oral bacteria to titanium surfaces: An SEM study

1994 ◽  
Vol 52 ◽  
pp. 468-469
Author(s):  
J. E. Laffoon ◽  
R. L. Anderson ◽  
J. C. Keller ◽  
C. D. Wu-Yuan
Keyword(s):  
Technical Problem ◽  
Titanium Implant ◽  
Oral Bacteria ◽  
Bacterial Cells ◽  
Thin Sections ◽  
Surface Ultrastructure ◽  
Sem Study ◽  
Key Factor ◽  
Titanium Surfaces

Titanium (Ti) dental implants have been used widely for many years. Long term implant failures are related, in part, to the development of peri-implantitis frequently associated with bacteria. Bacterial adherence and colonization have been considered a key factor in the pathogenesis of many biomaterial based infections. Without the initial attachment of oral bacteria to Ti-implant surfaces, subsequent polymicrobial accumulation and colonization leading to peri-implant disease cannot occur. The overall goal of this study is to examine the implant-oral bacterial interfaces and gain a greater understanding of their attachment characteristics and mechanisms. Since the detailed cell surface ultrastructure involved in attachment is only discernible at the electron microscopy level, the study is complicated by the technical problem of obtaining titanium implant and attached bacterial cells in the same ultra-thin sections. In this study, a technique was developed to facilitate the study of Ti implant-bacteria interface.Discs of polymerized Spurr’s resin (12 mm x 5 mm) were formed to a thickness of approximately 3 mm using an EM block holder (Fig. 1). Titanium was then deposited by vacuum deposition to a film thickness of 300Å (Fig. 2).

Forum: Morphological Awareness as a Key Factor in Language-Literacy Success for Academic Achievement

2020 ◽  
Vol 51 (3) ◽  
pp. 509-513
Author(s):  
Ashley Bourque Meaux ◽  
Julie A. Wolter ◽  
Ginger G. Collins
Keyword(s):  
Academic Achievement ◽  
Academic Success ◽  
Literacy Development ◽  
Morphological Awareness ◽  
Language And Literacy ◽  
Speech Language Pathologists ◽  
School Based ◽  
Literacy Success ◽  
Key Factor ◽  
Language And Literacy Development

Purpose This article introduces the Language, Speech, and Hearing Services in Schools Forum: Morphological Awareness as a Key Factor in Language-Literacy Success for Academic Achievement. The goal of this forum is to relate the influence morphological awareness (MA) has on overall language and literacy development with morphology acting as the “binding agent” between orthography, phonology, and semantics ( Perfetti, 2007 ) in assessment and intervention for school-aged children. Method This introduction provides a foundation for MA development and explores the influence MA has over the course of school-aged language and literacy development. Through summaries of the 11 articles in this forum, school-based speech-language pathologists will be able to convey the importance of MA to promote successful educational outcomes for kindergarten to adolescent students. The forum explores researcher-developed assessments used to help identify MA skill level in first- through eighth-grade students at risk for literacy failure to support instructional needs. The forum also provides school-based speech-language pathologists with details to design and implement MA interventions to support academic success for school-aged students with varying speech-language needs (e.g., dual language emersion, vocabulary development, reading comprehension) using various service delivery models (e.g., small group, classroom-based, intensive summer camps). Conclusion MA is effective in facilitating language and literacy development and as such can be an ideally focused on using multilinguistic approaches for assessment and intervention. The articles in this issue highlight the importance in assessment measures and intervention approaches that focus on students' MA to improve overall academic success in children of all ages and abilities.

1451: Positive Efect of Prostaglandin on Regulation of Prostate Blood Flow-Investigation of the Key Factor in the Signaling Pathway of The Prostate Blood Flow-

2005 ◽  
Vol 173 (4S) ◽  
pp. 393-393
Author(s):  
Bunzo Kashiwagi ◽  
Yasuhiro Shibata ◽  
Kazunari Ohki ◽  
Seiji Arai ◽  
Seijiro Honma ◽  
...  
Keyword(s):  
Blood Flow ◽  
Signaling Pathway ◽  
Flow Investigation ◽  
Key Factor

Does Attachment Shape Morality? Religiosity as a key factor in Moral Development

2011 ◽  
Author(s):  
Landon Ranck ◽  
Faith Clasby ◽  
Tor Ekstrom ◽  
Rebecca Ross ◽  
Claire Lawes ◽  
...  
Keyword(s):  
Moral Development ◽  
Key Factor

Competition Policy under Economic Crisis

2009 ◽  
pp. 54-69 ◽  
Author(s):  
A. Shastitko ◽  
S. Avdasheva ◽  
S. Golovanova
Keyword(s):  
Division Of Labor ◽  
Economic Crisis ◽  
Industrial Policy ◽  
Competition Policy ◽  
Transition Economy ◽  
Economic Recession ◽  
Price Rigidity ◽  
Key Factor ◽  
Policy Measures ◽  
The Impact

The analysis of competition policy under economic crisis is motivated by the fact that competition is a key factor for the level of productivity. The latter, in its turn, influences the scope and length of economic recession. In many Russian markets buyers' gains decline because of the weakness of competition, since suppliers are reluctant to cut prices in spite of the decreasing demand. Data on prices in Russia and abroad in the second half of 2008 show asymmetric price rigidity. At least two questions are important under economic crisis: the 'division of labor' between pro-active and protective tools of competition policy and the impact of anti-crisis policy on competition. Protective competition policy is insufficient in transition economy, especially in the days of crisis it should be supplemented with the well-designed industrial policy measures which do not contradict the goals of competition. The preferable tools of anti-crisis policy are also those that do not restrain competition.

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