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Author : Ann C. Gaffey
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (371 download)
Download or read book Surface Modification Using Gold Nanoparticles written by Ann C. Gaffey and published by . This book was released on 2006 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yashwant V Pathak
Publisher : Springer
ISBN 13 : 3030061159
Total Pages : 499 pages
Book Rating : 4.0/5 (3 download)
Download or read book Surface Modification of Nanoparticles for Targeted Drug Delivery written by Yashwant V Pathak and published by Springer. This book was released on 2019-03-11 with total page 499 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique book is the only one to discuss various new techniques developed to enhance the application of nanoparticulate drug delivery systems using surface modification of nanoparticles. The understanding of the surface characteristics nano-particles is growing significantly with the advent of new analytical techniques. Polymer chemistry is contributing to the development of many new versatile polymers which have abilities to accommodate many different, very reactive chemical groups, and can be used as a diagnostic tool, for better targeting, for more effective therapeutic results as well as for reducing the toxic and side effects of the drugs. Surface modification of such polymeric nanoparticles has been found by many scientists to enhance the application of nanoparticles and also allows the nano particles to carry specific drug molecule and disease /tumor specific antibodies which refine and improve drug delivery. Surface Modification of Nanoparticles for Targeted Drug Delivery is a collection essential information with various applications of surface modification of nanoparticles and their disease specific applications for therapeutic purposes.
Author : Alexandria J. Bear
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (428 download)
Download or read book Surface Modification Using Thin Films of Gold Nanoparticles written by Alexandria J. Bear and published by . This book was released on 2009 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sunmook Lee
Publisher :
ISBN 13 :
Total Pages : 306 pages
Book Rating : 4.:/5 (19 download)
Download or read book Surface Modification of Gold Nanoparticles and Their Application in Biomolecular Sensing written by Sunmook Lee and published by . This book was released on 2007 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joseph Daniel Padmos
Publisher :
ISBN 13 :
Total Pages : 218 pages
Book Rating : 4.:/5 (563 download)
Download or read book Surface Modification of Titanium with Gold Nanoparticles and Interaction with Prototype Protein written by Joseph Daniel Padmos and published by . This book was released on 2009 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Satyabrata Mohapatra
Publisher : Elsevier
ISBN 13 : 0128141352
Total Pages : 675 pages
Book Rating : 4.1/5 (281 download)
Download or read book Noble Metal-Metal Oxide Hybrid Nanoparticles written by Satyabrata Mohapatra and published by Elsevier. This book was released on 2018-10-11 with total page 675 pages. Available in PDF, EPUB and Kindle. Book excerpt: Noble Metal-Metal Oxide Hybrid Nanoparticles: Fundamentals and Applications sets out concepts and emerging applications of hybrid nanoparticles in biomedicine, antibacterial, energy storage and electronics. The hybridization of noble metals (Gold, Silver, Palladium and Platinum) with metal-oxide nanoparticles exhibits superior features when compared to individual nanoparticles. In some cases, metal oxides act as semiconductors, such as nano zinc oxide or titanium oxide nanoparticles, where their hybridization with silver nanoparticles, enhanced significantly their photocatalytic efficiency. The book highlights how such nanomaterials are used for practical applications. - Examines the properties of metal-metal oxide hybrid nanoparticles that make them so adaptable - Explores the mechanisms by which nanoparticles interact with each other, showing how these can be exploited for practical applications - Shows how metal oxide hybrid nanomaterials are used in a range of industry sectors, including energy, the environment and healthcare
Author : Mahmoud Soliman
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (96 download)
Download or read book Gold Nanoparticles: Synthesis, Surface Modification and Functionalization for Biomedical Applications written by Mahmoud Soliman and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Erica Locatelli
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (935 download)
Download or read book Synthesis and Surface Modification of Silver and Gold Nanoparticles. Nanomedicine Applications Against Glioblastoma Multiforme written by Erica Locatelli and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Anastasia Maslova
Publisher :
ISBN 13 :
Total Pages : 77 pages
Book Rating : 4.:/5 (15 download)
Download or read book Thiol-free Oligonucleotide Surface Modification of Gold Nanoparticles for Nanostructure Assembly written by Anastasia Maslova and published by . This book was released on 2018 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xiong Liu
Publisher :
ISBN 13 :
Total Pages : 193 pages
Book Rating : 4.:/5 (95 download)
Download or read book Gold Nanoparticles written by Xiong Liu and published by . This book was released on 2009 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation presents a systematic study on gold nanoparticles: from their chemical synthesis, modification of surface functionalities, optical properties studies with emphasis on the absorption and scattering properties, to applications of gold nanoparticles in biomolecular detection, imaging and photothermal therapy. In chapter 2, we studied the kinetics of gold nanoparticle growth under Brust-Shiffrin reaction conditions. In chapter 3, we further examined the reaction mechanism and growth kinetics of gold nanoparticles using oleylamine as both a reducing reagent and particle growth passivation ligand. From these two projects, important understanding was revealed on gold nanoparticle formation and growth mechanism. Chapter 4 describes the synthesis of a monofunctional gold nanoparticle through a solid phase place exchange reaction. From Chapter 5, we moved to the optical property study of gold nanoparticles, particularly the absorption and scattering phenomenon. In this work a systematic analysis on the extinction coefficient of gold nanoparticles was performed, providing meaningful references for applications based on optical absorption properties of gold nanoparticles. In Chapter 6 and Chapter 7, we developed a one-step homogeneous immunoassay for protein detection and analysis based on the strong light scattering of gold nanoparticles and dynamic light scattering detection technique. In Chapter 8, we further improved the stability of gold nanoparticle bioconjugates using a poly(ethylene glycol)-coated gold nanoparticles and further tested this nanoparticle in the one-step homogeneous immunoassay. Finally in Chapter 9, we demonstrated the application of gold nanoparticles for in vitro bioimaging and photothermal therapy of a lung cancer cell. In summary, this dissertation presents a comprehensive study on the synthesis, surface modification, property study of gold nanoparticles and their applications in biomolecular imaging and analysis.
Author : Jay W. Hotchkiss
Publisher :
ISBN 13 :
Total Pages : 462 pages
Book Rating : 4.:/5 (262 download)
Download or read book Surface Modification of Gold Nanorods with Raft Polymers as Templates for the Oxidative Polymerization of Pyrrole, Thiophene, and Synthesis of Metallic Nanoparticles written by Jay W. Hotchkiss and published by . This book was released on 2008 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marie-Isabelle Baraton
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.3/5 (91 download)
Download or read book Synthesis, Functionalization and Surface Treatment of Nanoparticles written by Marie-Isabelle Baraton and published by . This book was released on 2003 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthesis, Functionalization and Surface Treatment of Nanoparticles is an area of crucial importance in the emerging field of nanotechnology. Controlling the surface chemical composition and mastering its modification at the nanometer scale are critical issues for high-added value applications involving nanoparticles. The basic applications of surface functionalization range from altering the wetting or adhesion characteristics and improving the nanoparticles dispersion in matrices to enhancing the catalytic properties and ordering the interfacial region, and such. The creation of specific surface sites on nanoparticles for selective molecular attachment is considered a promising approach for their applications in nanofabrication, nanopatterning, selfassembly, nanosensors, bioprobes, drug delivery, pigments, photocatalysis, LEDs, etc. This book presents novel and improved synthesis methods and approaches for controlling and functionalizing the nanoparticle surfaces to enhance the overall performance of the nanoparticles for targeted applications.
Author : Ashutosh Kumar
Publisher : Royal Society of Chemistry
ISBN 13 : 1788018532
Total Pages : 310 pages
Book Rating : 4.7/5 (88 download)
Download or read book Nanoparticle–Protein Corona written by Ashutosh Kumar and published by Royal Society of Chemistry. This book was released on 2019-07-26 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoparticles have numerous biomedical applications including drug delivery, bone implants and imaging. A protein corona is formed when proteins existing in a biological system cover the nanoparticle surface. The formation of a nanoparticle–protein corona, changes the behaviour of the nanoparticle, resulting in new biological characteristics and influencing the circulation lifetime, accumulation, toxicity, cellular uptake and agglomeration. This book provides a detailed understanding of nanoparticle–protein corona formation, its biological significance and the factors that govern the formation of coronas. It also explains the impact of nanoparticle–protein interactions on biological assays, ecotoxicity studies and proteomics research. It will be of interest to researchers studying the application of nanoparticles as well as toxicologists and pharmaceutical chemists.
Author : Rochelle R. Arvizo
Publisher :
ISBN 13 :
Total Pages : 57 pages
Book Rating : 4.:/5 (65 download)
Download or read book Applying Surface Modified Gold Nanoparticles to Biological Systems written by Rochelle R. Arvizo and published by . This book was released on 2009 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Qiu Dai
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (51 download)
Download or read book Surface Engineering of Gold Nanoparticles and Their Applications written by Qiu Dai and published by . This book was released on 2008 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gold nanoparticles (AuNPs) with their unique sizes, shapes, and properties have generated much enthusiasm over the last two decades, and have been explored for many potential applications. The successful application of AuNPs depends critically on the ability to modify and functionalize their surface to provide stability, compatibility, and special chemical functionality. This dissertation is aimed at exploring the chemical synthesis and surface modification of AuNPs with the effort to (1) control the number of functional groups on the particle surface, and to (2) increase the colloidal stability at the physiological conditions. To control the functionality on the particle surface, a solid phase place exchange reaction strategy was developed to synthesize the 2 nm AuNPs with a single carboxylic acid group attached on the particle surface. Such monofunctional AuNPs can be treated and used as molecular nanobuilding blocks to form more complex nanomaterials with controllable structures. A "necklace"--Like AuNP/polymer assembly was obtained by conjugating covalently the monofunctional AuNPs with polylysine template, and exhibited an enhanced optical limiting property due to strong electromagnetic interaction between the nanoparticles in close proximity. To improve the colloidal stability in the psychological condition, biocompatible polymers, polyacrylic acid (PAA), and polyethylene glycol (PEG) were used to surface modify the 30 nm citrate-stabilized AuNPs. These polymer-modified AuNPs are able to disperse individually in the high ionic strength solution, and offer as the promising optical probes for bioassay applications. The Prostate specific antigen (PSA) and target DNA can be detected in the low pM range by taking advantages of the large scattering cross section of AuNPs and the high sensitivity of dynamic light scattering (DLS) measurement. In addition to the large scattering cross section, AuNPs can absorb strongly the photon energy at the surface plasmon resonance wavelength and then transform efficiently to the heat energy. The efficient photon-thermal energy conversion property of AuNPs has been used to thermal ablate the A[beta] peptide aggregates under laser irradiation toward Alzheimer's disease therapy.
Author : David Aaron Marsh
Publisher :
ISBN 13 : 9781303485893
Total Pages : 86 pages
Book Rating : 4.4/5 (858 download)
Download or read book Development of Methods for Surface Modification of Nanostructured Materials written by David Aaron Marsh and published by . This book was released on 2013 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: The surfaces of a material become increasingly more influential when the dimensions are reduced, because a larger percentage of the atoms are exposed on the surface. The surface environment of nanostructured materials dictates both physical properties and function, but is synthetically challenging to control. Although the desired functionality is commonly introduced via post-synthetic modification, it would be advantageous to minimize the number of synthetic steps by having specific function installed in the precursor. This work describes efforts to investigate new precursor complexes for the synthesis of nanoparticles, in addition to electrochemical studies on single monolayer films for electrocatalysis. Chapter 2 focuses on the preparation of magnetic nanoaparticles, and the synthesis of a polymerizable surfactant, stacac, to be used to generate composite materials. Although an iron complex of stacac could be used as a precursor for magnetic nanoparticles, favorable composite materials could only be produced by introduction of stacac after isolation of magnetic nanoparticles. Chapter 3 describes the synthesis of Au(I) complexes with various thiourea-based ligands, to be used as precursors for gold nanoparticles. The experimental conditions were varied and parameters were found where addition of a reducing agent generated solution-stable gold nanoparticles in a reproducible manner. It was determined that only aggregated gold nanoparticles were produced when Au(I) complexes were generated in situ and the use of crystalline precursors resulted in soluble gold nanoparticles. Chapter 4 discusses the preparation of electrocatalysts for the oxidation of water with a focus on accurately determining the active surface area. A monolayer of cobalt was prepared on a gold electrode by underpotential deposition and used as an electrocatalyst for water oxidation. Because the surface area of gold can be measured directly, deposition of a single monolayer produced negligible roughening of the surface and so the active surface area was based on the surface area of gold. The catalytic efficiency was enhanced in the presence of external anions, highlighting the importance of the surface environment on function.
Author :
Publisher :
ISBN 13 :
Total Pages : 184 pages
Book Rating : 4.:/5 (16 download)
Download or read book Enhancing the Properties of Carbon and Gold Substrates by Surface Modification written by and published by . This book was released on 2001 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: The properties of both carbon and gold substrates are easily affected by the judicious choice of a surface modification protocol. Several such processes for altering surface composition have been published in literature. The research presented in this thesis primarily focuses on the development of on-column methods to modify carbon stationary phases used in electrochemically modulated liquid chromatography (EMLC). To this end, both porous graphitic carbon (PGC) and glassy carbon (GC) particles have been modified on-column by the electroreduction of arenediazonium salts and the oxidation of arylacetate anions (the Kolbe reaction). Once modified, the carbon stationary phases show enhanced chromatographic performance both in conventional liquid chromatographic columns and EMLC columns. Additionally, one may also exploit the creation of aryl films to by electroreduction of arenediazonium salts in the creation of nanostructured materials. The formation of mercaptobenzene film on the surface of a GC electrode provides a linking platform for the chemisorption of gold nanoparticles. After deposition of nanoparticles, the surface chemistry of the gold can be further altered by self-assembled monolayer (SAM) formation via the chemisorption of a second thiol species. Finally, the properties of gold films can be altered such that they display carbon-like behavior through the formation of benzenehexathiol (BHT) SAMs. BHT chemisorbs to the gold surface in a previously unprecedented planar fashion. Carbon and gold substrates can be chemically altered by several methodologies resulting in new surface properties. The development of modification protocols and their application in the analytical arena is considered herein.
