Mammalian Cell Viability Methods in 3D Scaffolds for Tissue Engineering PDF Download
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Author: Benjamin Gantenbein
Publisher:
ISBN:
Category : Electronic books
Languages : en
Pages : 0
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Book Description
Modern methods have evolved in tissue engineering to evaluate cell viability (CV) in 3D scaffolds and tissues. These involve either the usage of 3D confocal laser microscopy of live or fixed tissues, or separation of cells from the tissue, either live or fixed, and then their analysis by flow cytometry. Generally, working with live cells has the disadvantage that all the scanning needs to be completed immediately at the end of an experiment. Two different approaches can be distinguished: staining intact cell membranes and staining fixed cells. The entire cytoplasm is stained with amine-reactive dyes (ARDs), these use the principle of dead cell exclusion. Here, we list and compare live-cell versus fixed-cells fluorescence-based methods and also show their limitations, especially when working with autofluorescent or cross-linking materials like silk or genipin-reinforced hydrogels. Microscopic techniques have the advantage over flow cytometry-based methods in that these provide the spatial distribution and morphology of the cells. Calcein AM combined with ethidium-homodimer works for most 3D constructs, where no strong fluorescent background is found on the tissue or scaffold. Frequently, however, concentrations and incubation times need to be adjusted for a specific tissue to ensure diffusion of dyes and optimise emittance for detection.
Author: Benjamin Gantenbein
Publisher:
ISBN:
Category : Electronic books
Languages : en
Pages : 0
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Book Description
Modern methods have evolved in tissue engineering to evaluate cell viability (CV) in 3D scaffolds and tissues. These involve either the usage of 3D confocal laser microscopy of live or fixed tissues, or separation of cells from the tissue, either live or fixed, and then their analysis by flow cytometry. Generally, working with live cells has the disadvantage that all the scanning needs to be completed immediately at the end of an experiment. Two different approaches can be distinguished: staining intact cell membranes and staining fixed cells. The entire cytoplasm is stained with amine-reactive dyes (ARDs), these use the principle of dead cell exclusion. Here, we list and compare live-cell versus fixed-cells fluorescence-based methods and also show their limitations, especially when working with autofluorescent or cross-linking materials like silk or genipin-reinforced hydrogels. Microscopic techniques have the advantage over flow cytometry-based methods in that these provide the spatial distribution and morphology of the cells. Calcein AM combined with ethidium-homodimer works for most 3D constructs, where no strong fluorescent background is found on the tissue or scaffold. Frequently, however, concentrations and incubation times need to be adjusted for a specific tissue to ensure diffusion of dyes and optimise emittance for detection.
Author: Martin J. Stoddart
Publisher: Humana Press
ISBN: 9781617791079
Category : Science
Languages : en
Pages : 0
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Book Description
Whether the question is one of basic cell survival, or whether it is being used to correlate cell number to some other factor such as matrix synthesis, an estimate of cell viability is universally required. In Mammalian Cell Viability: Methods and Protocols, experts in the field describe methods from the most basic which can be performed in any laboratory, to some which require specific pieces of equipment. Initially focusing on methods for monolayer and suspension cells, later chapters describe methods for determining viability within tissue sections and 3 dimensional culture systems. Finally, methods requiring highly specialized equipment are described in order to explain what is possible. Written in the highly successful Methods in Molecular BiologyTM series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and vital tips on troubleshooting and avoiding known pitfalls. Practical and adaptable, Mammalian Cell Viability: Methods and Protocols serves as a self-contained laboratory manual useful to both experienced researchers and those new to this incredibly important and influential field.
Author: Francois Berthiaume
Publisher: Artech House
ISBN: 159693459X
Category : Technology & Engineering
Languages : en
Pages : 278
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Book Description
Tissue engineering is an emerging field that involves the combination of materials, cells, and other signals or growth factors to generate new tissue that can be used to repair or replace damaged tissues due to injury or disease. This groundbreaking volume presents the latest methods and protocols for systematically building tissues in 3D configuration outside the body, as well as providing techniques that modulate repair and regeneration processes that occur "in situ" (in their natural or original place).
Author: Ranjna C. Dutta
Publisher: CRC Press
ISBN: 1351378511
Category : Medical
Languages : en
Pages : 267
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Book Description
3D cell culture is yet to be adopted and exploited to its full potential. It promises to upgrade and bring our understanding about human physiology to the highest level with the scope of applying the knowledge for better diagnosis as well as therapeutics. The focus of this book is on the direct impact of novel technologies and their evolution into viable products for the benefit of human race. It also describes the fundamentals of cell microenvironment to bring forth the relevance of 3D cell culture in tissue engineering and regenerative medicine. It discusses the extracellular matrix/microenvironment (ECM) and emphasizes its significance for growing cells in 3D to accomplish physiologically viable cell mass/tissue ex vivo. The book bridges the knowledge gaps between medical need and the technological applications through illustrations. It discusses the available models for 3D cell culture as well as the techniques to create substrates and scaffolds for achieving desired 3D microenvironment.
Author: Natalia Grigoryeva
Publisher: BoD – Books on Demand
ISBN: 1839680393
Category : Cytofluorometry
Languages : en
Pages : 464
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Book Description
Fluorescence methods play a leading role in the investigation of biological objects. They are the only non-destructive methods for investigating living cells and microorganisms in vivo. Using intrinsic and artificial fluorescence methods provides deep insight into mechanisms underlying physiological and biochemical processes. This book covers a wide range of modern methods involved in experimental biology. It illustrates the use of fluorescence microscopy and spectroscopy, confocal laser scanning microscopy, flow cytometry, delayed fluorescence, pulse-amplitude-modulation fluorometry, and fluorescent dye staining protocols. This book provides an overview of practical and theoretical aspects of fluorescence methods and their successful application in the investigation of static and dynamic processes in living cells and microorganisms.
Author: Ying Deng
Publisher: Woodhead Publishing
ISBN: 0081009801
Category : Technology & Engineering
Languages : en
Pages : 484
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Book Description
In order to grow replacement tissues, 3D scaffolds are widely used as a template for tissue engineering and regeneration. These scaffolds, which are typically ‘seeded’ with cells, support the growth of new tissues. However, in order to achieve successful tissue growth, the scaffold must meet specific requirements and are often ‘functionalized’ to accentuate particular properties. Functional 3D tissue engineering scaffolds: materials, technologies, and applications, is a comprehensive review of functional 3D scaffolds, providing information on the fundamentals, technologies, and applications. Part 1 focuses on the fundamentals of 3D tissue scaffolds, examining information on materials, properties, and trends. Part 2 discusses a wide range of conventional technologies for engineering functional 3D scaffolds, leading the way to a discussion on CAD and advanced technologies for functional 3D scaffold engineering. Chapters in part 3 study methods for functionalizing scaffolds to support a variety of in vivo functions whilst the final set of chapters provides an important review of the most significant applications of functional 3D scaffolds within tissue engineering. This book is a valuable resource for biomaterial scientists and biomedical engineers in academia and industry, with interests in tissue engineering and regenerative medicine. Provides a self-contained work for the field of biomaterials and tissue engineering Discusses all the requirements a scaffold must meet and a wide range of strategies to create them Highlights significant and successful applications of functional 3D scaffolds
Author: Ulrich Meyer
Publisher: Springer Science & Business Media
ISBN: 3540336060
Category : Medical
Languages : en
Pages : 272
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Book Description
Bone and Cartilage Engineering provides a complete overview of recent knowledge in bone and cartilage tissue engineering. It follows a logical approach to the various aspects of extracorporal bone and cartilage tissue engineering. The cooperation between a basic scientist and a clinician made it possible to structure the book's content and style according to the interdisciplinary character of the field. The comprehensive nature of the book, including detailed descriptions of laboratory procedures, preclinical approaches, clinical applications, and regulatory issues, will make it an invaluable basis for everyone working in this field. This book will serve as a fundamental tool for basic researchers to establish or refine tissue engineering techniques as well as for clinicians to understand and use this modern therapeutic option.
Author: John Haycock
Publisher: Humana Press
ISBN: 9781607619833
Category : Science
Languages : en
Pages : 0
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Book Description
Developed for a range of tissues where the culture environment takes into account the spatial organization of the cells therein, 3D cell culture models serve to bridge the gap between in vivo studies at one extreme with that of simple cell monolayers at the other. In 3D Cell Culture: Methods and Protocols, international experts describe a number of basic and applied methodologies taken from a breadth of scientific and engineering disciplines, many of which deal with direct applications of 3D culture models, most notably in the formation of tissues for clinical purpose. Beginning with an overview of the biological and materials scaffold requirements for successfully creating 3D models, the book delves into topics such as general scaffold design and fabrication techniques, models for bone, skin, cartilage, nerve, bladder, and hair follicles, and chapters on bioreactor design, imaging, and stem cells. Written in the highly successful Methods in Molecular BiologyTM series format, chapters include brief introductions to their respective subjects, lists of the necessary materials, step-by-step, readily reproducible laboratory protocols, and notes on troubleshooting and avoiding known pitfalls. Authoritative and cutting-edge, 3D Cell Culture: Methods and Protocols serves as a basic manual for laboratory-based scientists who not only need to have a comprehensive range of techniques contained within a single text but also require techniques described using a standard, convenient format.
Author: ASTM Committee F-4 on Medical and Surgical Materials and Devices. Subcommittee F04.43 on Cells and Tissue Engineered Constructs for TEMPs
Publisher:
ISBN:
Category : Biomedical materials
Languages : en
Pages : 7
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Book Description
"This guide is a resource of cell viability test methods that can be used to assess the number and distribution of viable and non-viable cells within porous and non-porous, hard or soft biomaterial scaffolds, such as those used in tissue-engineered medical products (TEMPs)" -- Page 1.
Author: Michael Lysaght
Publisher: Elsevier
ISBN: 0857090844
Category : Technology & Engineering
Languages : en
Pages : 313
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Book Description
The worldwide demand for organ transplants far exceeds available donor organs. Consequently some patients die whilst waiting for a transplant. Synthetic alternatives are therefore imperative to improve the quality of, and in some cases, save people’s lives. Advances in biomaterials have generated a range of materials and devices for use either outside the body or through implantation to replace or assist functions which may have been lost through disease or injury. Biomaterials for artificial organs reviews the latest developments in biomaterials and investigates how they can be used to improve the quality and efficiency of artificial organs.Part one discusses commodity biomaterials including membranes for oxygenators and plasmafilters, titanium and cobalt chromium alloys for hips and knees, polymeric joint-bearing surfaces for total joint replacements, biomaterials for pacemakers, defibrillators and neurostimulators and mechanical and bioprosthetic heart valves. Part two goes on to investigate advanced and next generation biomaterials including small intestinal submucosa and other decullarized matrix biomaterials for tissue repair, new ceramics and composites for joint replacement surgery, biomaterials for improving the blood and tissue compatibility of total artificial hearts (TAH) and ventricular assist devices (VAD), nanostructured biomaterials for artificial tissues and organs and matrices for tissue engineering and regenerative medicine.With its distinguished editors and international team of contributors Biomaterials for artificial organs is an invaluable resource to researchers, scientists and academics concerned with the advancement of artificial organs. Reviews the latest developments in biomaterials and investigates how they can be used to improve the quality and efficiency of artificial organs Discusses commodity biomaterials including membranes for oxygenators and cobalt chromium alloys for hips and knees and polymeric joint-bearing surfaces for total joint replacements Further biomaterials utilised in pacemakers, defibrillators, neurostimulators and mechanical and bioprosthetic heart valve are also explored
