Download or read book Biodegradable Porous Silicon Nanomaterials for Imaging and Treatment of Cancer written by Luo Gu and published by . This book was released on 2012 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cancer is the second leading cause of death, claiming ~0.56 million lives in the U.S. every year following heart diseases (~0.62 million). From 1991 to 2007, mortality associated with heart diseases decreased 39%; by contrast, the death rate of cancer only decreased by 17% in spite of intensive research and improved therapeutics. The stagnation of conventional medicine and the complexity of cancer demand new therapeutic strategies. As an emerging approach, the use of nanomaterials as cancer diagnostic and therapeutic agents has shown promising results due to their unique physical and chemical properties. To date, more than two dozen nanoparticle-based products have been approved for clinical use and they show advantages over conventional therapeutics. However, translation of many other nanomaterials has been impeded due to concerns over toxicity and biodegradability. This dissertation presents the development of biodegradable luminescent porous silicon nanomaterials and their potential applications for imaging and treatment of cancer. Chapter 3 presents a diagnostic application of LPSiNPs. Time-gated fluorescence imaging of tumors using LPSiNPs with long emission lifetime is developed. This technique can effectively eliminate interference from short-lived tissue autofluorescence and improve the detection sensitivity. Chapter 4-6 demonstrate the therapeutic applications of porous silicon nanomaterials. In Chapter 4, magnetically-guided delivery of anticancer drug to cancer cells in vitro is achieved using magnetic, luminescent porous Si microparticles. Chapter 5 demonstrates that porous silicon nanoparticles can be used as photosensitizer and generate cytotoxic singlet oxygen when irradiated by light. The phototoxicity of the nanoparticles against cancer cells is also studied. Finally, the use of LPSiNPs for immune activation is investigated in Chapter 6.

Download or read book Porous Silicon for Biomedical Applications written by Hélder A. Santos and published by Woodhead Publishing. This book was released on 2021-10-23 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt: Porous Silicon for Biomedical Applications, Second Edition, provides an updated guide to the diverse range of biomedical applications of porous silicon, from biosensing and imaging to tissue engineering and cancer therapy. Across biomedical disciplines, there is an ongoing search for biomaterials that are biocompatible, modifiable, structurally sound, and versatile. Porous silicon possesses a range of properties that make it ideal for a variety of biomedical applications, such as controllable geometry, tunable nanoporous structure, large pore volume/high specific surface area, and versatile surface chemistry. This book provides a fully updated and detailed overview of the range of biomedical applications for porous silicon. Part One offers the reader a helpful insight into the fundamentals and beneficial properties of porous silicon, including thermal properties and stabilization, photochemical and nonthermal chemical modification, protein modification, and biocompatibility. The book then builds on the systematic detailing of each biomedical application using porous silicon, from bioimaging and sensing to drug delivery and tissue engineering. This new edition also includes new chapters on in-vivo assessment of porous silicon, photodynamic and photothermal therapy, micro- and nanoneedles, Raman imaging, cancer immunotherapy, and more. With its acclaimed editor and international team of expert contributors, Porous Silicon for Biomedical Applications, Second Edition, is a technical resource and indispensable guide for all those involved in the research, development, and application of porous silicon and other biomaterials, while providing a comprehensive introduction for students and academics interested in this field. - Reviews the fundamental aspects of porous silicon, including the fabrication and unique properties of this useful material. - Discusses a broad selection of biomedical applications, offering a detailed insight into the benefits of porous silicon in both research and clinical settings. - Includes fully updated content from the previous edition, as well as brand new chapters, covering topics such as porous silicon micro- and nanoneedles, and cancer immunotherapy.

Download or read book Silicon Nano biotechnology written by Yao He and published by Springer Science & Business Media. This book was released on 2014-04-02 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews the latest advances in the development of silicon nano-biotechnology for biological and biomedical applications, which include biosensing, bioimaging, and cancer therapy. In this book, newly developed silicon nano-biotechnology and its biomedical applications are systematically introduced. For instance, fluorescent silicon nanoparticles, serving as novel high-performance biological nanoprobes, are superbly suited to real-time and long-term bioimaging. Silicon nanowire-based sensing platform is especially capable of sensitive, specific, and multiplexed detection of various biological species. Silicon-based nanocarriers with ultra-high drug-loading capacity are highly efficacious for in vitro and in vivo cancer therapies. This book is intended for readers who are interested in the design of functional silicon nanostructures and their biological and biomedical applications. It uses silicon nanoparticles and silicon nanowires as models and discusses topics ranging from their synthesis to their biological applications, the goal being to highlight these exciting achievements as starting points in the field of silicon nano-biotechnology. Yao He is a Professor at Institute of Functional Nano&Soft Materials (FUNSOM), Soochow University, China. Yuanyuan Su is an Associate Professor at Institute of Functional Nano&Soft Materials (FUNSOM), Soochow University, China.

Download or read book Cooperative Nanomaterials Systems for Cancer Diagnosis and Therapeutics written by Ji Ho Park and published by . This book was released on 2009 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: The unique electromagnetic and biologic properties of nanomaterials are being harnessed to build powerful new medical technologies. Particularly, there have been recently increasing interests in cancer nanotechnology, wherein nanomaterials play an important role in ultrasensitive imaging, targeting, and therapy of cancer. However, these nanomaterials typically function as individual units and are designed to independently perform their tasks. In this dissertation, new cooperative nanosystems consisting of two distinct nanomaterials that work together to target, identify, or treat tumors in vivo were studied. In the first two chapters, the synthesis of worm-shaped dextran-coated iron oxide nanoparticles (nanoworms, NW) exhibiting substantial in vivo circulation times and significant tumor targeting when coated with tumor-homing peptides were studied. NWs are also found to display a greater magnetic resonance (MR) response than the spherical nanoparticles. Next, two types of multifunctional nanoparticles were fabricated for simultaneous detection and treatment of cancer. Micellar hybrid nanoparticles (MHN) that contain magnetic nanoparticles, quantum dots, and an anti-cancer drug doxorubicin (DOX) within a single PEG-modified phospholipid micelle were first prepared. Simultaneous multimodal imaging (MR and fluorescence) and targeted drug delivery in vitro and in vivo was performed using DOX-incorporated targeted MHN. Secondly, luminescent porous silicon nanoparticles (LPSINP) that were drug-loadable, biodegradable and relatively non-toxic were prepared. In contrast to most inorganic nanomaterials, LPSINP were degraded in vivo in a relatively short time with no noticeable toxicity. The clearance and degradation of intravenously injected LPSINP in the bladder, liver, and spleen were established by whole-body fluorescence imaging. Finally, two types of cooperative nanomaterials systems to amplify targeting and deliver drugs efficiently to regions of tumor invasion were developed. Gold nanorods localized through vascular circulation to the tumor region, where they reported their location and converted near infrared (NIR) radiation to thermal energy. The local photothermal heating enabled to enhance tumor-specific drug release from thermally labile therapeutic liposomes or induce more binding sites for targeted therapeutic liposomes. The combination of local hyperthermia and chemotherapy in the cooperative nanosystems significantly enhanced therapeutic efficacy relative to individual therapies.

Download or read book Porous Silicon Nanomaterials for Bioimaging and Nanomedicine written by Jinyoung Kang and published by . This book was released on 2018 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is increased interest in porous silicon nanomaterials for biomedical applications due to their biodegradability, their biocompatibility, and their intrinsic photoluminescence. This thesis describes cargo loading chemistry, surface chemistry, molecularly targeted delivery and bioimaging applications using porous silicon nanomaterials. After a brief introduction to porous silicon materials for biomedical applications, Chapter 2 describes a single-step procedure to simultaneously load and protect a model siRNA therapeutic in porous silicon nanoparticles (pSiNPs). Exogenous calcium ions precipitate with locally generated silicic acid to form calcium silicate, which serves to encapsulate the siRNA payload in pSiNPs. The target gene knockdown efficiency in vitro and target tissue accumulation of delivered siRNA in vivo are demonstrated. Chapter 3 presents a facile chemical modification of the surface of the hydroxylated silicon nanostructure. The reaction, a ring-opening heterocyclic silane "click" reaction, is a rapid and efficient means to obtain high surface coverage while preserving the open pore structure and intrinsic photoluminescence of the original silicon nanostructure. This chemistry is sufficiently mild to maintain the activity of payload proteins. Chapter 4 presents the example of pSiNPs as an imaging agent, which are targeted to tumor tissues in vivo using an iRGD peptide targeting probe, and the nanoparticles are imaged by two-photon microscopy. Superior photostability and low systemic toxicity are observed. Chapter 5 discusses enhanced photoacoustic signals that can be obtained from indocyanine green (ICG) when it is encapsulated in pSiNPs. The photoacoustic response from ICG is enhanced 17-fold when it is sealed in pSiNPs. The substantially improved performance is attributed to the low thermal conductivity of pSiNPs and their ability to protect loaded ICG from photolytic degradation.

Download or read book Nanobiomaterials written by Xiumei Wang and published by John Wiley & Sons. This book was released on 2017-11-21 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by an international team of editors and contributors from renowned universities and institutes, this book addresses the latest research in the field of nanobiomaterials, covering nanotechnologies for their fabrication, developments in biomedical applications, and the challenges of biosafety in clinic uses. Clearly structured, the volume defines the scope and classification of the field, resulting in a broad overview from fundamental principles to current technological advances, and from materials synthesis to biomedical applications along with future trends.

Download or read book Handbook of Porous Silicon written by Leigh Canham and published by Springer. This book was released on 2018-06-07 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook updates the most fast-moving research areas of porous silicon research, introduces a range of brand new topics not reviewed before and is even more inclusive of worldwide centres of expertise. Rapid advances are being made in porous silicon anodes for lithium batteries, biodegradable nanoparticles and nanoneedles for medical therapy and imaging, energetics and bio-diagnostic techniques. A number of additional characterization and processing techniques are also reviewed for the first time. Experts from 10 additional countries are involved in the 2nd edition: China, Vietnam, Singapore, Malaysia, Saudi Arabia, Turkey, Netherlands, Switzerland, Belarus, and Brazil, making more than 40 countries in total. The handbook therefore covers expertise from every continent. Another new feature is a review dedicated to industrial activity. This second edition endeavours to provide the community with a truly comprehensive database and up-to-date commentary on this versatile nanostructured material.

Download or read book Mesoporous Silica based Nanomaterials and Biomedical Applications Part B written by and published by Academic Press. This book was released on 2018-10-22 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cancer Therapy and Diagnosis, Part B, Volume 44 in The Enzymes series highlights new advances in the field, with this new volume presenting interesting chapters on Mesoporous silica nanoparticle synthesis, Periodic mesoporous organosilica, Nanovalves and other nanomachine-equipped nanoparticles and controlled release, Two-photon light control and photodynamic therapy, Biodegradable PMO nanoparticles, Cationic mesoporous silica and protein delivery, Drug loading, stimuli-responsive delivery and cancer treatment, Animal models and cancer therapy, siRNA delivery and TWIST shutdown for ovarian cancer treatment, and TBC (mesoporous silica nanoparticles and cancer therapy or biodistribution of MSN). - Provides the authority and expertise of leading contributors from an international board of authors - Presents the latest release in The Enzymes series - Updated release includes the latest information on Cancer Therapy and Diagnosis

Download or read book Engineering of Multifunctional Nanomaterials for Cancer Theranostics written by Shreya Goel and published by . This book was released on 2017 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Development of novel imaging probes for cancer diagnosis is critical for early disease detection and management. The past two decades have witnessed a surge in the development and evolution of radiolabeled nanoparticles as a new frontier in personalized cancer nanomedicine. The dynamic synergism of positron emission tomography (PET) and nanotechnology combines the sensitivity and quantitative nature of PET with the multifunctionality and tunability of nanomaterials, which can help overcome certain key challenges in the field. Silica, "generally recognized as safe" (GRAS) by the Food and Drug Administration (FDA) of the United States, has emerged as one of the leading nanomaterials employed for molecular imaging and therapy of a wide variety of diseases, including cancer. However in vivo biodistribution and active targeting of silica-based nanomaterials has remained a relatively under explored area, based mainly on semi-quantitative techniques such as fluorescence imaging. In this dissertation, I explore the concept of radiolabeled silica nanoparticles for vasculature-targeted imaging of different tumor types. Both chelator-based and chelator-free radiolabeling techniques were employed for accurate and quantitative analysis of the in vivo pharmacokinetics of radiolabeled silica nanomaterials. (Chapters 2 and 3) The large surface area, ease of tunability and facile silica chemistry were employed to create multifunctional silica-based materials to simultaneously seek-and-treat cancers, by incorporating multiple components into a single nanoplatform. Photodynamic agent, porphyrin was loaded into the central cavity of hollow mesoporous silica nanoparticles, and the shell was decorated with photothermal nanoparticles, CuS, yielding a multimodal theranostic nanoplatform which could synergistically annihilate the tumor without relapse. (Chapter 4) A major hurdle in the successful clinical translation of nanomaterials is their rapid sequestration by the organs of the reticuloendothelial system (RES), mainly liver and spleen, and prolonged retention in the body, raising long-term toxicity concerns. To combat this issue, two approaches were employed; (i) Synthesis of biodegradable mesoporous silica nanoparticles (Chapter 5), and (ii) development of ultrasmall nanoparticles including renal clearable Au nanoparticles and hepatically cleared ultrasmall mesoporous silica nanoparticles (Chapter 6); for prolonged blood circulation, enhanced tumor uptake and rapid clearance from the body, enabling unprecedented tumor-to-normal tissue contrast. Overall, the reported studies explore the synergism of molecular imaging and therapy, and nanotechnology. While the application of nanomaterials in the former imparts multifunctionality to the molecular agent, allowing multimodal imaging and synergistic therapeutic regimes to be carried out simultaneously; molecular imaging techniques such as PET, allow accurate measurement of the in vivo pharmacokinetics of the nanomaterials, playing a major role towards their successful clinical translation. Further work will be required to better understand the in vivo biodistribution of both biodegradable and ultrasmall nanomaterials, and further employ them for early and specific detection of cancer, effective treatment and monitoring.

Download or read book Handbook of Nanomaterials for Cancer Theranostics written by Joao Conde and published by Elsevier. This book was released on 2018-06-27 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Nanomaterials for Cancer Theranostics focuses on recent developments in advanced theranostic nanomedicines from a chemical and biological perspective where the advantages of theranostics are achieved by combining multiple components. The authors explore the pros and cons of theranostic nanomaterials developed in cancer research in the last 15 years, with the different strategies compared and scrutinized. In addition, the book explores how nanomaterials may overcome the regulatory hurdles facing theranostic nanomedicines. This is an important research reference for postgraduates and researchers in nanomedicine and cancer research who want to learn more on how nanomaterials can help create more effective cancer treatments. - Highlights the development of smart theranostic nanomaterials to tackle biomedical problems in cancer therapy and diagnostics - Explores the regulatory hurdles facing theranostic nanomedicine - Discusses how the use of nanomaterials can help create more effective cancer treatments

Download or read book Bionanotechnology in Cancer written by D. Sakthi Kumar and published by CRC Press. This book was released on 2022-10-27 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: The cancer research world is looking forward to bionanotechnology to find the best solutions for a complete cure from cancer, which is not possible with the current established treatment methods. The past decade of research on nano imaging and drug delivery in cancer has witnessed many interesting papers and reviews, but there has not been a concise resource that discusses all fields related to nano cancer research in diagnosis and drug delivery. This book fills this gap and presents the latest bionano research in cancer, focusing on nanodiagnostics and nanotherapy. The book is organized into two sections. The section on nanodiagnostics focuses on topics such as diagnostic methods in cancer-related therapy and use of radiolabeled nanoparticles, magnetic nanoparticles, acoustically reflective nanoparticles, X-ray computed tomography, and optical nanoprobes for diagnosis. The section on nanotherapy focuses on nanomaterials in chemotherapy, magnetic nanoparticles for hyperthermia against cancer, phototherapy, nanotechnology-mediated radiation therapy, nanoparticle-mediated small-RNA deliveries for molecular therapies, and theranostics. The book will serve as the gateway to enter the beautiful and elegant field of bionanoscience, which is considered the last hope for the fight against cancer and will be a highly useful resource for the students, researchers, teachers, and curious readers working in this field or related fields.

Download or read book Silicon Nanomaterials Sourcebook written by Klaus D. Sattler and published by CRC Press. This book was released on 2017-07-28 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive tutorial guide to silicon nanomaterials spans from fundamental properties, growth mechanisms, and processing of nanosilicon to electronic device, energy conversion and storage, biomedical, and environmental applications. It also presents core knowledge with basic mathematical equations, tables, and graphs in order to provide the reader with the tools necessary to understand the latest technology developments. From low-dimensional structures, quantum dots, and nanowires to hybrid materials, arrays, networks, and biomedical applications, this Sourcebook is a complete resource for anyone working with this materials: Covers fundamental concepts, properties, methods, and practical applications. Focuses on one important type of silicon nanomaterial in every chapter. Discusses formation, properties, and applications for each material. Written in a tutorial style with basic equations and fundamentals included in an extended introduction. Highlights materials that show exceptional properties as well as strong prospects for future applications. Klaus D. Sattler is professor physics at the University of Hawaii, Honolulu, having earned his PhD at the Swiss Federal Institute of Technology (ETH) in Zurich. He was honored with the Walter Schottky Prize from the German Physical Society, and is the editor of the sister work also published by Taylor & Francis, Carbon Nanomaterials Sourcebook, as well as the acclaimed multi-volume Handbook of Nanophysics.

Download or read book Smart Micro and Nanomaterials for Drug Delivery written by Ajit Behera and published by CRC Press. This book was released on 2024-08-27 with total page 435 pages. Available in PDF, EPUB and Kindle. Book excerpt: Smart drug delivery at both the micro- and nanoscale is an evolving field with numerous potential applications. It has the potential to revolutionize drug therapy by making treatments more effective, reducing side effects, and improving patient outcomes. This book presents a comprehensive review of the most recent studies on smart micro- and nanomaterials with a focus on their “smart” activity for formation of targeted and responsive drug-delivery carriers. This volume: Introduces readers to the fundamentals of these the micro- and nanoscale materials as well as approaches to smart drug delivery and drug delivery systems. Covers polymers, metals, and composite materials as well as quantum dots and carbon nanotubes. Describes of all possible stimulated systems for drug delivery such as enzyme-responsive, small molecules-responsive, thermo-responsive, pH-responsive, electric field-responsive, magnetic field-responsive, light-responsive, ultrasound-responsive, and reductive environment responsive. Offers a critical perspective on the future scope of smart drug delivery systems. This reference work is written to support researchers in the fields of materials engineering and biotechnology with the goal of improving the diagnosis and treatment of disease and patient quality of life.

Download or read book Principles of Nanomedicine written by Sourav Bhattacharjee and published by CRC Press. This book was released on 2019-10-18 with total page 607 pages. Available in PDF, EPUB and Kindle. Book excerpt: The scope of nanotechnology in medical applications has expanded fast in the last two decades. With their unprecedented material properties, nanoscale materials present with unorthodox opportunities in a wide range of domains, including drug delivery and medical imaging. This book assembles the various facets of nanomedicine while discussing key issues such as physicochemical properties that enhance the appeal of nanomedicine. The book is an excellent resource for physicians, PhDs, and postdocs involved in nanomedicine research to learn and understand the scope and complexity of the subject. It begins with a short history of nanotechnology, followed by a discussion on the fundamental concepts and extraordinary properties of nanoscale materials, and then slowly unfolds into multiple chapters illustrating the uses of various nanomaterials in drug delivery, sensing, and imaging.

Download or read book New Nanomaterials and Techniques for Tumor targeted Systems written by Rongqin Huang and published by Springer Nature. This book was released on 2020-09-28 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarizes the latest advances in nanomaterials and techniques in the field of tumor-targeted diagnosis and therapy. It provides valuable information for beginners and senior researchers, and stimulates new research directions by offering novel and provocative insights into the properties and technical principles of nanomaterials. The book systemically discusses the challenges in tumor treatment, current tumor-targeted strategies, drug-release strategies, diagnosis and therapeutic patterns, and also explores newly developed multifunctional nanomaterials and related systems.

Download or read book Advanced Theranostic Materials written by Ashutosh Tiwari and published by John Wiley & Sons. This book was released on 2015-07-10 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present book is covers the recent advances in the development on the regulation of such theragnosis system and their biomedical perspectives to act as a future nanomedicine. Advanced Theranostics Materialsis written by a distinguished group of contributors and provides comprehensive coverage of the current literature, up-to-date overview of all aspects of advanced theranostics materials ranging from system biology, diagnostics, imaging, image-guided therapy, therapeutics, biosensors, and translational medicine and personalized medicine, as well as the much broader task of covering most topics of biomedical research. The books focusses on the following topics: Part 1: System biology and translational medicine Aberrant Signaling Pathways: Hallmark of Cancer Cells and Target for Nanotherapeutics Application of Nanoparticles in Cancer Treatment Biomacromolecule-Gated Mesoporous Silica Drug Delivery Systems Construction of Functional DNA Nanostructures for Theranostic Applications Smart Polypeptide Nanocarriers for Malignancy Therapeutics Part 2: Imaging and therapeutics Dimercaptosuccinic acid-coated magnetic nanoparticles as a localized delivery system in cancer immunotherapy Cardiovascular nanomedicine Chitosan-based systems for sustained drug release Nanocapsules in biomedicine: promises and challenges Chitosan-based polyelectrolyte complexes: characteristics and application in formulation of particulate drug carriers Part 3: Diagnostics and featured prognostics Non-invasive Glucose Biosensors based on Nanomaterials Self/directed Assembly of Nanoparticles: A review on various approaches Ion exchangers – an open window for the development of advanced materials with pharmaceutical and medical applications New Titanium Alloys for Biomedical Applications

Download or read book Near Infrared Emitting Nanoparticles for Biomedical Applications written by Antonio Benayas and published by Springer Nature. This book was released on 2020-04-13 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: ​This book analyzes and evaluates the growing field of light-emitting nanoprobes as contrast agents for in vivo imaging and sensing. It is a comprehensive resource that critically analyzes the state of the art in an interdisciplinary manner, with a special focus on the shift of emission wavelengths into the near-infrared (NIR) spectral region (ranging from 0.7 to 2 microns), which has greatly contributed to the latest advances in biomedical imaging and sensing. This book discusses merits of different contrast agents at nanoscale, and how their unique chemical and structural properties lead to the emission and interaction of light within the NIR window. Both the NIR-emitting materials and various surface modification strategies governing their interactions with the biological system at the “nano” level are discussed. Furthermore, different experimental techniques and protocols for NIR-light-based in vivo imaging and sensing are addressed to shed light on further understanding of the advantages and limitations of each category of these nanoprobes. Assembles the state of the art heretofore appearing in scientific literature into a comprehensive, multi-perspective guidebook on near infrared-emitting nanomaterials in an assortment of biomedical applications; Explains the physical, chemical, and biological phenomena underlying near infrared-emitting nanomaterials for biomedical applications; Presents conceptual and experimental approaches surrounding a unique spectral range of light emission from nanosized contrast agents, while offering a clear explanation of basic and general phenomena regarding the interaction between light and biological tissues, such as absorption, scattering and autofluorescence.