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Author: Anand Srinath Gopalan Publisher: ISBN: 9781369174052 Category : Languages : en Pages : 42
Book Description
A large amount of emphasis has been dedicated in recent years to introduce nanoparticles as a viable candidate for targeted therapies. In comparison to other candidates, mesoporous silica nanoparticles have the advantages of being biocompatible, easy to produce, and have the ability to prove to be a theranostic platform. To better study the specific targeting of diseased cells, adhesion studies of drug carrying bioconjugation constructs in fluid environments is required. The goal of this project was to develop a platform based on mesoporous silica nanoparticles that will be used for future multivalent adhesion studies. Specifically, mesoporous silica nanoparticles were synthesized with various sizes and aspect ratios, containing fluorescent dye to enable tracking studies, and with surface treatments that optimized stability and introduced primary-amine functional groups to facilitate attachment with targeted proteins and biomarkers. The effects of various parameters such as solvents, washing methods, secondary modifications and difference in concentrations of the starting materials for the synthesis mixture on the nanoparticles were studied in detail in this thesis. A portion of the study is also dedicated to optimizing a washing procedure to stabilize the particles in an aqueous medium in order to facilitate further modifications. The results of the work in this project can be utilized to provide a platform for further assays in flow chambers after bioconjugation with targeting proteins through orthogonal chemistries to study the adhesion properties in much greater detail.
Author: Anand Srinath Gopalan Publisher: ISBN: 9781369174052 Category : Languages : en Pages : 42
Book Description
A large amount of emphasis has been dedicated in recent years to introduce nanoparticles as a viable candidate for targeted therapies. In comparison to other candidates, mesoporous silica nanoparticles have the advantages of being biocompatible, easy to produce, and have the ability to prove to be a theranostic platform. To better study the specific targeting of diseased cells, adhesion studies of drug carrying bioconjugation constructs in fluid environments is required. The goal of this project was to develop a platform based on mesoporous silica nanoparticles that will be used for future multivalent adhesion studies. Specifically, mesoporous silica nanoparticles were synthesized with various sizes and aspect ratios, containing fluorescent dye to enable tracking studies, and with surface treatments that optimized stability and introduced primary-amine functional groups to facilitate attachment with targeted proteins and biomarkers. The effects of various parameters such as solvents, washing methods, secondary modifications and difference in concentrations of the starting materials for the synthesis mixture on the nanoparticles were studied in detail in this thesis. A portion of the study is also dedicated to optimizing a washing procedure to stabilize the particles in an aqueous medium in order to facilitate further modifications. The results of the work in this project can be utilized to provide a platform for further assays in flow chambers after bioconjugation with targeting proteins through orthogonal chemistries to study the adhesion properties in much greater detail.
Author: Zilu Li Publisher: ISBN: Category : Languages : en Pages : 203
Book Description
This thesis involves synthesis, derivatization and biomedical applications of mesoporous silica nanopartilces (MSNs) and Fe3O4@SiO2 core/shell nanoparticles. Chapter 1 introduces the development of MSNs including the mesopores formation mechanism, synthesis conditions and their capability to act as stimuli responsive drug delivery platforms. In chapter 2, the synthesis optimization of different kinds of particles and their surface derivatization are introduced. Chapter 3 & 4 give specific examples of successful optimization and in vitro and in vivo application of MSNs enabled with pH-sensitive nanovalves and disulfide snap-tops for delivering the antibiotic moxifloxacin. It is shown that a high release capacity is necessary to reach a high efficacy ratio, compared with free drug. Chapter 5 discusses the uptake and release capacities of Fe3O4@SiO2 core/shell nanoparticles when modified with a pH-sensitive nanovalves, and its thermally cargo release behavior when surrounding temperature increases or an oscillating magnetic field is applied. In Chapter 6, successful distribution of Fe3O4@SiO2 core/shell nanoparticles in biofilms and on-command release of cargo inside biofilms are shown. Overall, these chapters demonstrate the ability of modifying both the outer surface and interior of MSNs, and their capability to act as a biocompatible controlled release platform that is more effective than equivalent amount of free drug.
Author: Publisher: ISBN: Category : Languages : en Pages : 127
Book Description
The dissertation begins with Chapter 1, which is a general introduction of the fundamental synthesis of mesoporous silica materials, the selective functionlization of mesoporous silica materials, and the synthesis of nanostructured porous materials via nanocasting. In Chapter 2, the thermo-responsive polymer coated mesoporous silica nanoparticles (MSN) was synthesized via surface-initated polymerization and exhibited unique partition activities in a biphasic solution with the thermally induced change. In Chapter 3, the monodispersed spherical MSN with different mesoporous structure (MCM-48) was developed and employed as a template for the synthesis of mesoporous carbon nanoparticles (MCN) via nanocasting. MCN was demonstrated for the delivery of membrane impermeable chemical agents inside the cells. The cellular uptake efficiency and biocompabtibility of MCN with human cervical cancer cells were also investigated. In addition to the biocompabtibility of MCN, MCN was demonstrated to support Rh-Mn nanoparticles for catalytic reaction in Chapter 4. Owing to the unique mesoporosity, Rh-Mn nanoparticles can be well distributed inside the mesoporous structure and exhibited interesting catalytic performance on CO hydrogenation. In Chapter 5, the synthesis route of the aforementioned MCM-48 MSN was discussed and investigated in details and other metal oxide nanoparticles were also developed via nanocasting by using MCM-48 MSN as a template. At last, there is a general conclusion summarized in Chapter 6.
Author: Sachin Namdeo Kothawade Publisher: ISBN: 9783111338446 Category : Medical Languages : en Pages : 0
Book Description
Mesoporous silica comprehensively covers the importance and applications of mesoporous silica nanoparticles in the field of nanoscience and nanotechnology. The book delves into the synthesis and characterization of mesoporous silica nanoparticles, discussing various synthesis methods and characterization techniques employed in their production. It explores the properties and structure of mesoporous silica nanoparticles, including their porosity, surface area, structural features, and tunability. It discusses mechanical, thermal, and optical properties. The applications of mesoporous silica nanoparticles in drug delivery are covered in detail, focusing on controlled release systems, targeted drug delivery, and theranostic applications.The catalytic applications of mesoporous silica nanoparticles are examined, including the use of these nanoparticles as supported catalysts in catalytic reactions, with discussions on reaction mechanisms. The book also explores the sensing and biosensing applications of mesoporous silica nanoparticles, including optical and electrochemical sensing, bioanalytical applications, and detection of biomolecules and environmental pollutants. Surface functionalization techniques for mesoporous silica nanoparticles are discussed, highlighting the importance of tailoring their properties for specific applications. Biocompatibility and toxicity considerations are addressed, providing insights into the assessment of biocompatibility, toxicity evaluation, mitigation strategies, and regulatory considerations. The future directions and emerging trends in mesoporous silica nanoparticle research are explored, along with interdisciplinary approaches, challenges, and opportunities in the field. The book concludes by summarizing the key findings and discussing the overall significance of mesoporous silica nanoparticles in nanoscience and nanotechnology. The references section provides a comprehensive list of sources used throughout the book for further exploration. The book serves as an essential resource for researchers, professionals, and students interested in understanding the synthesis, characterization, properties, and diverse applications of mesoporous silica nanoparticles in the realm of nanoscience and nanotechnology.
Author: Yu Chen Publisher: Springer ISBN: 3662486229 Category : Technology & Engineering Languages : en Pages : 100
Book Description
This thesis reports on essential advances in the design, synthesis and biomedical applications of multifunctional Mesoporous Silica Nanoparticles (MSNs). It provides several examples of multifunctional MSN-based drug delivery nanosystems and demonstrates successful synergistic cancer therapies combining MSNs and high-intensity focused ultrasound. The book will especially be of interest to researchers and graduate students in the fields of biomaterials, biology, chemistry, medicine and the life sciences who are working to develop new methods and technologies to combat cancer.
Author: Valentina Cauda Publisher: MDPI ISBN: 3039439391 Category : Science Languages : en Pages : 204
Book Description
Mesoporous materials are capturing great interest thanks to their exceptional surface area, uniform and tunable pore size, ease surface functionalization, thus enabling broad series of intervention in the field of nanomedicine. Since many years, these aspects foster a deep investigation on mesoporous nanoparticles, to design and fabricate biocompatible, smart and stimuli-responsive nanotools for controlled drug- or gene-delivery, theranostics applications, in particular for cancer therapy, and tissue engineering. This Book is thus dedicated to the most recent advances in the field, collecting research papers and reviews. It spans from the synthesis and characterization of the mesoporous material, especially those made of silica, silicon and bioactive glasses, to their functionalization with smart gate-keepers, reporter molecules or targeting ligands, up to their in-vitro applications in the nanomedicine field.
Author: Anand Srinath Gopalan
Author: Anand Srinath Gopalan
Author: Zilu Li
Author: 
Author: Sachin Namdeo Kothawade
Author: Yu Chen
Author: Juan Luis Vivero-Escoto
Author: Valentina Cauda
Author: Po-Wen Chung
Author: Chih-Hsiang Tsai
Author: Robert M. Landis