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  • Springer eBooks  (3)
  • Cytotrophoblast cells  (2)
  • 1
    Keywords: Chemistry ; Biotechnology ; Microreactors ; Chemistry ; Biotechnology ; Microengineering ; Springer eBooks
    Abstract: Microfluidic techniques are becoming widely incorporated into medical diagnostic systems due to the inherent advantages of miniaturization. In Microfluidic Diagnostics: Methods in Molecular Biology, researchers in the field detail methods and protocols covering subjects such as microfluidic device fabrication, on-chip sample preparation, diagnostic applications and detection methodologies. The protocols described range from cutting-edge developments to established techniques and basic demonstrations suitable for education and training; from basic fabrication methods to commercializing research. Written in the highly successful Methods in Molecular Biologý„Ø series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and key tips on troubleshooting and avoiding known pitfalls. ℗ Authoritative and practical, Microfluidic Diagnostics: Methods in Molecular Biology seeks to aid scientists in the further development and commercialization of microfluidic diagnostic technologies
    Pages: XIII, 525 p. 143 illus., 58 illus. in color. : digital.
    ISBN: 9781627031349
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  • 2
    Keywords: Medicine ; Pharmaceutical technology ; Biomedicine ; Pharmaceutical Sciences/Technology ; Springer eBooks
    Description / Table of Contents: 1 Hydrophilic Matrix Dosage Forms: Definitions, General Attributes and the Evolution of Clinical Utilization -- 2 Design and Evaluation of Hydroxypropyl Methylcellulose Matrix Tablets for Oral Controlled Release: a Historical Perspective -- 3 An Industrial Perspective on Hydrophilic Matrix Tablets based on Hyproxypropyl Methylcellulose (Hypromellose) -- 4 Natural Polysaccharides in Hydrophilic Matrices -- 5 Applications of Polyethylene Oxide (POLYOX) in Hydrophilic Matrices -- 6 A Formulation Development Perspective on Critical Interactions Affecting the Performance of Hydrophilic Matrix Tablets -- 7 In vitro Physical and Imaging Techniques to Evaluate Drug Release Mechanisms from Hydrophilic Matrix Tablets -- 8 Physiologically-Based Pharmacokinetic Modelling in the Development and Evaluation of Hydrophilic Matrix Tablets -- 9 Approaches to Rapid In Vivo Optimization of Hydrophilic Matrix Tablets -- 10 Extrusion: an Enabling Technology for Controlled Release Hydrophilic Matrix Systems -- 11 Microenvironmental pH Control and Mixed Polymer Approaches to Optimize Drug Delivery with Hydrophilic Matrix Tablets -- 12 Evolving Biopharmaceutics Perspectives for Hydrophilic Matrix Tablets: Dosage Form-Food Interactions and Dosage Form Gastrointestinal Tract Interactions
    Abstract: This detailed volume addresses key issues and subtle nuances involved in developing hydrophilic matrix tablets as an approach to oral controlled release. It brings together information from more than five decades of research and development on hydrophilic matrix tablets and provides perspective on contemporary issues.Twelve comprehensive chapters explore a variety of topics including polymers (hypromellose, natural polysaccharides and polyethylene oxide) and their utilization in hydrophilic matrices, critical interactions impacting tablet performance, in vitro physical and imaging techniques, and microenvironmental pH control and mixed polymer approaches, among others. In one collective volume, Hydrophilic Matrix Tablets for Oral Controlled Release provides a single source of current knowledge, including sections of previously unpublished data. It is an important resource for industrial and academic scientists investigating and developing these oral controlled release formulations
    Pages: IX, 326 p. 102 illus., 37 illus. in color. : online resource.
    ISBN: 9781493915194
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  • 3
    Keywords: Medicine ; Gastroenterology ; Nursing ; Oncology ; Pain Medicine ; Surgery ; Medicine & Public Health ; Gastroenterology ; Pain Medicine ; Oncology ; Surgery ; Nursing Management/Nursing Research ; Springer eBooks
    Pages: : digital
    ISBN: 9781848821187
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  • 4
    ISSN: 1432-0878
    Keywords: Key words: Placenta ; Amniochorion ; Cytotrophoblast cells ; Immunoglobulin-G ; Immunocytochemistry ; Human
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. Maternal immunoglobulin-G (IgG) is known to be transported across the placental syncytiotrophoblast during the period when the human fetus is incapable of manufacturing these defensive molecules. In this study we investigated the possible role of the amniochorion, that surrounds the amniotic cavity in which the fetus lies, in the transfer of immunoglobulin. Endogenous IgG was localised in the amniochorion by confocal immunofluorescence microscopy and by ultrastructural labelling of ultrathin frozen tissue sections using the protein A-gold technique. Immunoreactivity was identified in the extracellular matrix tissues and necrotic amniotic epithelial cells. Healthy amniotic epithelial cells and cytotrophoblast cells of the chorion laeve were devoid of endogenous IgG. These results suggest a possible non-specific paracellular transport pathway between cytotrophoblast cells, which may conceivably contribute to the acquisition of passive immunity by the fetus, and offer a rational explanation for the presence of small quantities of maternal IgG in the amniotic fluid.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-0878
    Keywords: Placenta ; Amniochorion ; Cytotrophoblast cells ; Immunoglobulin G ; Immunocytochemistry ; Human
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Maternal immunoglobulin-G (IgG) is known to be transported across the placental syncytiotrophoblast during the period when the human fetus is incapable of manufacturing these defensive molecules. In this study we investigated the possible role of the amniochorion, that surrounds the amniotic cavity in which the fetus lies, in the transfer of immunoglobulin. Endogenous IgG was localised in the amniochorion by confocal immunofluorescence microscopy and by ultrastructural labelling of ultrathin frozen tissue sections using the protein A-gold technique. Immunoreactivity was identified in the extracellular matrix tissues and necrotic amniotic epithelial cells. Healthy amniotic epithelial cells and cytotrophoblast cells of the chorion laeve were devoid o endogenous IgG. These results suggest a possible non-specific paracellular transport pathway between cytotrophoblast cells, which may conceivably contribute to the acquisition of passive immunity by the fetus, and offer a rational explanation for the presence of small quantities of maternal IgG in the amniotic fluid.
    Type of Medium: Electronic Resource
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