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Author : Hooisweng Ow
Release : 2005
Genre :
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Multifunctional Core-shell Silica Particles by : Hooisweng Ow
Download or read book Multifunctional Core-shell Silica Particles written by Hooisweng Ow. This book was released on 2005. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kannan Balasundaram
Release : 2010
Genre :
Kind : eBook
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Book Synopsis Synthesis and Characterization of Core/shell Silica Nanoparticles for Chemical Mechanical Planarization of Low-k Dielectric and Copper Wafers by : Kannan Balasundaram
Download or read book Synthesis and Characterization of Core/shell Silica Nanoparticles for Chemical Mechanical Planarization of Low-k Dielectric and Copper Wafers written by Kannan Balasundaram. This book was released on 2010. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: Monodispersed core/shell silica particles with a hard core and microporous shell have been synthesized by surfactant template method. Ca. 75nm silica particles were used as core and Cetyltrimethylammonium bromide (C16TAB) as template for generating microporous shell. Concentration of the surfactant was varied and the growth of porous shell analyzed using high-resolution transmission electron microscopy and nitrogen adsorption. TGA and FTIR were used to confirm the surfactant removal after heat treatment. The synthesized particles were monodispersed and had a hard core and highly microporous shell with pore size in the range of 1.3-2.2nm and total pore volume in the range of 0.57-0.77cm3/g. The Chemical mechanical Planarization (CMP) performance of core/shell silica particles were analyzed and compared with that of core silica particles. Polishing was done on copper wafers and low-k dielectric material such as black diamond. The core/shell silica particles produced higher removal rates and better surface finish for both the wafers. Spectral reflectance technique and atomic force microscopy (AFM) were used as analyzing tool.
Author : Maria Focarete
Release : 2018-06-29
Genre : Technology & Engineering
Kind : eBook
Book Rating : 992/5 ( reviews)
Book Synopsis Core-Shell Nanostructures for Drug Delivery and Theranostics by : Maria Focarete
Download or read book Core-Shell Nanostructures for Drug Delivery and Theranostics written by Maria Focarete. This book was released on 2018-06-29. Available in PDF, EPUB and Kindle. Book excerpt: Core-Shell Nanostructures for Drug Delivery and Theranostics: Challenges, Strategies and Prospects for Novel Carrier Systems contains valuable chapters that deal with the fundamentals of nanotechnology for drug delivery, recent developments and research in core-shell nanoparticles for drug-delivery and theranostic applications, and the potential and applications of core-shell nanofiber. This book is a highly valuable resource for scientists interested in the design and development of innovative drug delivery systems, researchers and graduate/postdoctoral students engaged in biomaterials for drug delivery, and R&D managers in the biomaterials and pharmaceutical industry. Focuses on core-shell nanoparticles and nanofiber for innovative applications, including cancer therapy, controlled release and multi-drug release Considers future prospects and potential new applications of core-shell nanostructures for drug delivery and theranostics Explains the principles and essential concepts of nanotechnology for drug delivery systems
Author : R. Pecora
Release : 2013-11-11
Genre : Science
Kind : eBook
Book Rating : 894/5 ( reviews)
Book Synopsis Dynamic Light Scattering by : R. Pecora
Download or read book Dynamic Light Scattering written by R. Pecora. This book was released on 2013-11-11. Available in PDF, EPUB and Kindle. Book excerpt: In the twenty years since their inception, modern dynamic light-scattering techniques have become increasingly sophisticated, and their applications have grown exceedingly diverse. Applications of the techniques to problems in physics, chemistry, biology, medicine, and fluid mechanics have prolifer ated. It is probably no longer possible for one or two authors to write a monograph to cover in depth the advances in scattering techniques and the main areas in which they have made a major impact. This volume, which we expect to be the first of aseries, presents reviews of selected specialized areas by renowned experts. It makes no attempt to be comprehensive; it emphasizes a body of related applications to polymeric, biological, and colloidal systems, and to critical phenomena. The well-known monographs on dynamic light scattering by Berne and Pecora and by Chu were published almost ten years ago. They provided comprehensive treatments of the general principles of dynamic light scat tering and gave introductions to a wide variety of applications, but natu rally they could not treat the new applications and advances in older ones that have arisen in the last decade. The new applications include studies of interacting particles in solution (Chapter 4); scaling approaches to the dynamics of polymers, including polymers in semidilute solution (Chapter 5); the use of both Fabry-Perot interferometry and photon correlation spectroscopy to study bulk polymers (Chapter 6); studies of micelIes and microemulsions (Chapter 8); studies of polymer gels (Chapter 9).
Author : Sheldon A. Hewlett
Release : 2006
Genre :
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Incorporation of Silica Into Baroplastic Core-shell Nanoparticles by : Sheldon A. Hewlett
Download or read book Incorporation of Silica Into Baroplastic Core-shell Nanoparticles written by Sheldon A. Hewlett. This book was released on 2006. Available in PDF, EPUB and Kindle. Book excerpt: (Cont.) The pre-emulsion strategy resulted in a decrease in particle size for the core-shell-shell nanoparticles, as shown by dynamic light scattering. Excess silica in the emulsion resulted in phase separation and opaque, brittle samples. Samples made with this incorporation strategy showed poor mechanical properties. The post-emulsion strategy also resulted in poor processing. SAXS data show that there is no long range ordering with the SiO2 and core-shell nanoparticles. However, SAXS did show the possibility of a nanopcomposite with short range ordering of silica and core-shell particles.
