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  • 1
    Online Resource
    Online Resource
    Cham :Springer International Publishing AG,
    Keywords: Dentistry. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (281 pages)
    Edition: 1st ed.
    ISBN: 9783319223452
    Series Statement: Advances in Experimental Medicine and Biology Series ; v.881
    DDC: 610.28
    Language: English
    Note: Intro -- Preface: Engineering Mineralized and Load-Bearing Tissues: Progress and Challenges -- Engineering Mineralized and Load Bearing Tissues -- Contents -- Part I: Fabrication Methods and Techniques -- 1: 3D Printing and Biofabrication for Load Bearing Tissue Engineering -- 1.1 Introduction -- 1.2 Biofabrication and Bioprinting of Load Bearing Tissue Engineering -- 1.2.1 Bone -- 1.2.2 Cartilage and Osteochondral Regions -- 1.2.3 Dental Tissue Engineering -- 1.3 Summary and Conclusions -- References -- 2: Microfabrication of Cell-Laden Hydrogels for Engineering Mineralized and Load Bearing Tissues -- 2.1 Introduction -- 2.2 Hydrogels: Artificial Extracellular Matrices -- 2.3 Microfabrication Techniques to Engineer Cell-Laden Hydrogels -- 2.3.1 Photolithography -- 2.3.2 Soft Lithography -- 2.3.3 Bioprinting -- 2.4 Applications of Microfabrication Technology in Regenerative Dentistry -- 2.4.1 Regeneration of a Bioengineered Tooth -- 2.4.2 Regeneration of Dental Pulpal Tissues -- 2.4.3 Regeneration of Periodontium -- 2.5 Applications of Microfabrication Technology in Bone Regeneration -- 2.6 Applications of Microfabrication Technology in Cartilage Regeneration -- 2.7 Conclusion and Future Perspectives -- References -- 3: Electrospinning of Bioinspired Polymer Scaffolds -- 3.1 Introduction -- 3.2 Polymers -- 3.3 Composites and Hybrid Materials -- 3.3.1 Electrospun Fibre Reinforcement with Bioactive Substances -- 3.3.2 Surface Mineralisation of Electrospun Nanofibres -- 3.4 Ceramics -- 3.5 Designs for 3D Structure Generation -- 3.6 Load-Bearing Structures -- 3.7 Electrospinning and Tissue Engineering -- 3.7.1 Bone -- 3.7.2 Osteochondral -- 3.7.3 Tooth -- 3.8 Drug Delivery Systems -- 3.9 Future Perspectives -- References -- Part II: Applied Strategies for Tissue Engineering: Bone and Cartilage. , 4: Bone Tissue Engineering Challenges in Oral & -- Maxillofacial Surgery -- 4.1 Introduction -- 4.2 Challenges for Bone Tissue Engineering in the Craniofacial Complex -- 4.3 Current Methods of Maxillofacial Reconstruction -- 4.4 Mandible Reconstruction -- 4.5 Maxillary Reconstruction -- 4.6 The "Ideal" Material for Craniofacial Reconstructions -- 4.7 Scaffold Materials -- 4.7.1 Calcium/Phosphate-Based Bioactive Ceramics -- 4.7.2 Polymer-Based Scaffolds -- 4.8 Bioactive Factors -- 4.8.1 Bone Morphogenetic Protein (BMP) -- 4.8.2 Platelet Derived Growth Factor (PDGF) -- 4.8.3 Transforming Growth Factor-­Beta (TGF-β) -- 4.8.4 Fibroblast Growth Factor (FGF) -- 4.8.5 Insulin-Like Growth Factor (IGF) -- 4.9 Gene Delivery -- 4.10 Mesenchymal and Adipose Derived Stem Cells -- 4.11 Future Challenges for Craniofacial Tissue Engineering -- References -- 5: Engineering Pre-vascularized Scaffolds for Bone Regeneration -- 5.1 Introduction -- 5.2 Vasculogenesis and Angiogenesis -- 5.3 Cellular Approaches to Engineer Vascular Networks -- 5.3.1 Growth Factor Delivery -- 5.3.1.1 Physical Entrapment of Growth Factors -- 5.3.1.2 Chemically Immobilized Growth Factors -- 5.3.2 On-Chip Vascularization Studies -- 5.4 Biofabrication Approaches to Engineer Pre-vascularized Scaffolds -- 5.4.1 Lithography and Microfabrication -- 5.4.2 3D Printing -- 5.5 Final Remarks -- References -- 6: Morphogenic Peptides in Regeneration of Load Bearing Tissues -- 6.1 Introduction -- 6.2 Peptides Derived from Bone Morphogenic Proteins and Soluble Proteins of Bone Matrix -- 6.3 Integrin Binding Peptides -- 6.4 Peptides Derived from Vasculogenic and Neurogenic Proteins -- 6.5 Osteoinductivity of Peptides Versus Proteins -- 6.6 Dose Dependence of Osteoinductivity of Morphogenic Peptides -- 6.7 Osteoinductive Peptide Delivery Strategies. , 6.8 Aggregation of Osteoinductive Peptides -- 6.9 Future Work -- References -- 7: Osseointegration of Plateau Root Form Implants: Unique Healing Pathway Leading to Haversian-­Like Long-Term Morphology -- 7.1 Introduction -- 7.2 Early Osseointegration Pathway: Interfacial Remodeling, Intramembranous-Like Healing (Healing Chambers), and Hybrid Healing -- 7.2.1 Interfacial Remodeling Healing Pathway -- 7.2.2 Intramembranous-Like Healing Pathway (Healing Chamber Osseointegration) -- 7.2.3 Current Trend: Hybrid Healing Pathway: Integrating Interfacial Remodeling and Intramembranous-Like Bone Healing Modes -- 7.3 Long-Term Osseointegration: Healing Pathway Effect on Osseointegration, Bone Morphology, and Bone Mechanical Property Evolution -- 7.3.1 Long-Term Morphology of Implants That Undergo Interfacial Remodeling -- 7.3.2 Long-Term Morphology, Bone Mechanical Property, and Temporal Osseointegration of Implants That Undergo Intramembranous-Like Healing -- 7.4 Hastening the Osseointegration Process -- 7.5 Final Remarks -- References -- 8: Dentin Matrix Proteins in Bone Tissue Engineering -- 8.1 Introduction -- 8.2 Expression and Localization of DMPs in Bone -- 8.2.1 DMP1 -- 8.2.2 DPP or DMP2 -- 8.2.3 DSP -- 8.2.4 DMP4/FAM20C -- 8.3 Functions of DMPs -- 8.3.1 DMP1 -- 8.3.1.1 Biomineralization Function of DMP1 -- 8.3.1.2 DMP1 and Stem Cell Differentiation -- 8.3.2 DPP -- 8.3.2.1 DPP Mediated Hydroxyapatite Nucleation -- 8.3.2.2 Signaling Roles of DPP -- 8.3.3 DSP -- 8.3.4 DMP4/Fam20C -- 8.3.4.1 Calcium-Binding Property of DMP4/Fam20c -- 8.3.4.2 Fam20C/DMP4 and Osteoblast Differentiation -- 8.4 Tissue Engineering Strategies Using DMPs -- 8.4.1 DMP1 -- 8.4.2 DPP -- 8.4.3 DSP -- 8.4.4 DMP4/Fam20C -- 8.5 Conclusion -- References -- 9: Multiphasic, Multistructured and Hierarchical Strategies for Cartilage Regeneration. , 9.1 Introduction -- 9.2 The Hierarchical Composition of Articular Cartilage -- 9.3 Research Progress on Cartilage Regeneration Strategies -- 9.3.1 Multiphasic Strategies -- 9.3.2 Multiscale Strategies -- 9.3.3 Multilayered Strategies -- 9.3.4 Hierarchical Strategies -- 9.4 Summary and Future Directions -- References -- 10: Anterior Cruciate Ligament: Structure, Injuries and Regenerative Treatments -- 10.1 Introduction -- 10.2 Anterior Cruciate Ligament -- 10.3 ACL Replacements -- 10.3.1 Autograft -- 10.3.2 Allograft -- 10.3.3 Xenograft -- 10.3.4 Synthetic Ligament Implants -- 10.4 Graft Fixation -- 10.5 Tissue Engineering of Ligaments -- 10.5.1 Cell Sources -- 10.5.2 Growth Factors -- 10.5.3 Scaffolds -- 10.5.3.1 Collagenous Structures -- 10.5.3.2 Silk Based Scaffolds -- 10.5.3.3 Seri-ACL™ -- 10.5.3.4 Sugar-Based Scaffolds -- 10.5.3.5 Synthetic Structures -- 10.5.3.6 Interface Tissue Engineering -- 10.5.4 Bioreactors -- 10.5.5 Animal Models -- 10.6 Conclusions -- References -- 11: Hard-Soft Tissue Interface Engineering -- 11.1 Introduction -- 11.2 Structure of Natural Interface Tissues -- 11.2.1 Ligament and Tendon Insertions -- 11.2.2 The Osteochondral Interface -- 11.2.3 Mechanical Properties of Interface Tissues -- 11.3 Engineering of Tissue Interfaces -- 11.3.1 Scaffolds -- 11.3.1.1 Scaffold Properties -- 11.3.1.2 Scaffold Manufacturing Techniques -- 11.3.2 External Factors -- 11.3.3 Cells -- 11.4 Conclusions -- References -- Part III: Applied Strategies for Tissue Engineering: Dentin, Enamel, Cementum and PDL -- 12: Cementum and Periodontal Ligament Regeneration -- 12.1 Introduction -- 12.2 The Periodontal Complex -- 12.2.1 Cementum -- 12.2.2 Periodontal Ligament (PDL) -- 12.2.3 Alveolar Bone -- 12.2.4 The Oral Mucosa -- 12.3 Dental Disease -- 12.3.1 Periodontitis. , 12.3.2 Periodontal Wound Healing -- 12.4 Current Treatment Approaches -- 12.4.1 Bone Grafts -- 12.4.2 Guided Tissue Regeneration -- 12.4.3 Delivery of Bioactive Materials -- 12.5 Cell-Based Tissue Engineering -- 12.5.1 Challenges and Limitations Associated with Tissue Engineering Based Approaches to Periodontal Therapy -- 12.5.2 Use of Biomaterials in Regeneration of Dental Tissues -- 12.6 Mesenchymal Stem Cells -- 12.6.1 Utilisation and Efficacy of Bone Marrow Derived MSC (BMSC) in Regeneration of Dental Tissues -- 12.6.2 Utilisation and Efficacy of Dental Pulp Derived MSC (DPSC) in Regeneration of Dental Tissues -- 12.6.3 Utilisation and Efficacy of Periodontal Ligament Derived MSC (PDLSC) in Regeneration of Dental Tissues -- 12.6.4 Utilisation and Efficacy of Stem Cells Derived from Human Exfoliated Deciduous Teeth (SHED) in Regeneration of Dental Tissues -- 12.6.5 Utilisation and Efficacy of Stem Cells from Apical Papilla (SCAP) in Regeneration of Dental Tissues -- 12.6.6 Utilisation and Efficacy of Dental Follicle Derived Stem Cells (DFC) in Regeneration of Dental Tissues -- 12.6.7 Utilisation and Efficacy of Induced Pluripotent Stem (iPS) Cells in Regeneration of Dental Tissues -- 12.7 Future Prospects for Stem Cells Based Therapies in Periodontal Tissue Regeneration -- 12.8 Conclusion -- References -- 13: Amelogenin in Enamel Tissue Engineering -- 13.1 Introduction -- 13.2 The Structure and Composition of Mature Enamel -- 13.3 The Basic Model of Amelogenesis and a Question Mark Over It -- 13.4 The Role of Proteases or How Amelogenin Needs to Disappear in Order for Apatite to Appear -- 13.5 Attempts to Probe the Higher Orders of the Structure of Amelogenin -- 13.6 Combining Protein Assembly, Crystal Growth and Proteolysis in Experiments Attempting to Engineer the Artificial Enamel. , 13.7 The Role of Other Protein Species, Fluoride, pH, Water and Dentin.
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  • 2
    Publication Date: 2023-05-05
    Description: PREFCLIM is a mixed-layer climatology for the Eastern Tropical Atlantic. The climatology contains a high-resolution (0.25 degrees) monthly-mean mixed-layer hydrography (mixed-layer depth, temperature, salinity), and coarse-resolution (2.5 degrees) estimates of the mixed-layer heat and salt balance, as well as of near-surface velocities and of air-sea fluxes. All existing hydrographic products of the region were hampered by the sparse availability of near-shore data owned by the West-African coastal countries, which could, however, be included in the new climatology.
    Keywords: File content; File format; File name; File size; Model; PREFCLIM; Uniform resource locator/link to file
    Type: Dataset
    Format: text/tab-separated-values, 24 data points
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  • 3
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Economical methods by which gene function may be analysed on a genomic scale are relatively scarce. To fill this need, we have developed a transposon-tagging strategy for the genome-wide analysis of disruption phenotypes, gene expression and protein localization, and have applied this method to ...
    Type of Medium: Electronic Resource
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  • 4
    Publication Date: 2021-05-19
    Description: El florecimiento de microalgas (fitoplancton) que a menudo pueden ser tóxicas puede aumentar con los efectos del cambio climático. En el presente trabajo se analizaron los datos recogidos del fitoplancton en el período 2005-2015 para evaluar su impacto en la dinámica de las especies de las sardinas (Sardinella maderensis y Sardinella aurita). La comunidad de fitoplancton está dominada por el grupo de las diatomeas, en la superficie que coincide con las áreas de agregación de la sardina durante el día. A pesar del predominio de diatomeas los años más fríos de la costa registraran el aumento de la proporción de los dinoflagelados. Las floraciones masivas de dinoflagelados producen en la estación fría o transición del dos temporadas del año dominadas por especies Tripos furca y Prorocentrum micans. En los años más fríos se produjo un aumento en la proporción de dinoflagelados y las especies de la sardina tiene un factor de baja condición.
    Description: Microalgae blooming (phytoplankton) that often can be toxic could increase with the effects of climatic change. In this work, data picked up from phytoplankton in the 2005-2015 period were analyzed to evaluate their impact in the dynamics of the sardine species (Sardinella maderensis and Sardinella aura). Phytoplankton community is dominated by the diatom group, in the surface that coincides with sardine aggregation areas during the day. In spite of the diatom prevalence, the coldest years in the coast registered an increase in dinoflagellate proportion. Massive dinoflagellate blooming takes place in the cold station or the yearly twoseason transition dominated by Tripos furca and Prorocentrum micans species. An increase took place in dinoflagellate proportion in the coldest years and the sardine species have a low condition factor.
    Description: Published
    Keywords: Variabilidad ; Dinámica ; Temperatura ; Fitoplancton ; Diatomeas ; Dynamics ; Variability ; Temperature ; Phytoplankton ; Diatoms
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.9-12
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  • 5
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    Publication Date: 2022-01-31
    Description: The ocean plays a vital role in the global climate system and biosphere, providing crucial resources for humanity including water, food, energy and raw materials. There is a compelling need to develop an integrated basin-scale ocean observing system to support of ocean management. We articulate a vision for basin-scale ocean observing - A comprehensive All-Atlantic Ocean Observing Systems that benefits all of us living, working and relying on the ocean. Until now, basin-scale ocean observation has been conducted through loosely-aligned arrangements of national and international efforts. The All-Atlantic Ocean Observing System (AtlantOS) is an ntegrated concept for a forward-looking framework and basin-scale partnership to establish a comprehensive ocean observing system for the Atlantic Ocean as a whole. The system will be sustainable, multi-disciplinary, multi-thematic, efficient, and fit-for-purpose. Platforms, networks, and systems do already exist that operate at various maturity levels. AtlantOS will go beyond the status quo by bringing together the observing communities and countries of the Atlantic basin, providing the opportunity to join and support the system. AtlantOS will build upon the coordinated work of the Global Ocean Observing System (GOOS) and the Group on Earth Observations (GEO), two international bodies that support and coordinate global ocean observing. AtlantOS will complement those efforts and offers a new approach to organizing ocean observing at the basin-scale. The new SystemAtlantOS will focus not only on the physics but also the biology, ecology and biogeochemistry of the ocean and seafloor and will enhance new partnerships among between governments, science, civil society and the private sector.
    Type: Article , PeerReviewed , info:eu-repo/semantics/article
    Format: text
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  • 7
    Publication Date: 2022-01-31
    Description: Multidisciplinary ocean observing activities provide critical ocean information to satisfy ever-changing socioeconomic needs and require coordinated implementation. The upper oxycline (transition between high and low oxygen waters) is fundamentally important for the ecosystem structure and can be a useful proxy for multiple observing objectives connected to eastern boundary systems (EBSs) that neighbor oxygen minimum zones (OMZs). The variability of the oxycline and its impact on the ecosystem (VOICE) initiative demonstrates how societal benefits drive the need for integration and optimization of biological, biogeochemical, and physical components of regional ocean observing related to EBS. In liaison with the Global Ocean Oxygen Network, VOICE creates a roadmap toward observation-model syntheses for a comprehensive understanding of selected oxycline-dependent objectives. Local to global effects, such as habitat compression or deoxygenation trends, prompt for comprehensive observing of the oxycline on various space and time scales, and for an increased awareness of its impact on ecosystem services. Building on the Framework for Ocean Observing (FOO), we present a first readiness level assessment for ocean observing of the oxycline in EBS. This was to determine current ocean observing design and future needs in EBS regions (e.g., the California Current System, the Equatorial Eastern Pacific off Ecuador, the Peru–Chile Current system, the Northern Benguela off Namibia, etc.) building on the FOO strategy. We choose regional champions to assess the ocean observing design elements proposed in the FOO, namely, requirement processes, coordination of observational elements, and data management and information products and the related best practices. The readiness level for the FOO elements was derived for each EBS through a similar and very general ad hoc questionnaire. Despite some weaknesses in the questionnaire design and its completion, an assessment was achievable. We found that fisheries and ecosystem management are a societal requirement for all regions, but maturity levels of observational elements and data management and information products differ substantially. Identification of relevant stakeholders, developing strategies for readiness level improvements, and building and sustaining infrastructure capacity to implement these strategies are fundamental milestones for the VOICE initiative over the next 2–5 years and beyond.
    Type: Article , PeerReviewed
    Format: text
    Format: other
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  • 8
    Publication Date: 2024-02-12
    Description: The southeastern tropical Atlantic hosts a coastal upwelling system characterized by high biological productivity. Three subregions can be distinguished based on differences in the physical climate: the tropical Angolan and the northern and southern Benguela upwelling systems (tAUS, nBUS, sBUS). The tAUS, which is remotely forced via equatorial and coastal trapped waves, can be characterized as a mixing-driven system, where the wind forcing plays only a secondary role. The nBUS and sBUS are both forced by alongshore winds and offshore cyclonic wind stress curl. While the nBUS is a permanent upwelling system, the sBUS is impacted by the seasonal cycle of alongshore winds. Interannual variability in the region is dominated by Benguela Niños and Niñas that are warm and cold events observed every few years in the tAUS and nBUS. Decadal and multidecadal variations are reported for sea surface temperature and salinity, stratification and subsurface oxygen. Future climate warming is likely associated with a southward shift of the South Atlantic wind system. While the mixing-driven tAUS will most likely be affected by warming and increasing stratification, the nBUS and sBUS will be mostly affected by wind changes with increasing winds in the sBUS and weakening winds in the northern nBUS.
    Type: Book chapter , NonPeerReviewed , info:eu-repo/semantics/bookPart
    Format: text
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  • 9
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    Publication Date: 2012-06-30
    Description: A review of refractive index measurement based on different types of optical fiber sensor configurations and techniques is presented. It addresses the main developments in the area, with particular focus on results obtained at INESC Porto, Portugal. The optical fiber sensing structures studied include those based on Bragg and long period gratings, on micro-interferometers, on plasmonic effects in fibers and on multimode interference in a large spectrum of standard and microstructured optical fibers.
    Electronic ISSN: 1424-8220
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Published by MDPI Publishing
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