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  • 1
    Online Resource
    Online Resource
    Cham :Springer International Publishing :
    Keywords: Neurosciences. ; Regenerative medicine. ; Stem cells. ; Neuroscience. ; Regenerative Medicine and Tissue Engineering. ; Stem Cell Biology.
    Description / Table of Contents: Part 1 General considerations -- Human iPS for clinical applications and cellular products -- 3D-printed iPS disease models -- Part 2 CNS iPSC and organoids -- iPS-derived neurons and brain organoids from patients (brain) -- iPS-derived RGCs (eye) -- iPS-derived glia (brain) -- iPSC to model blood-brain barrier endothelial cells -- Part 3 iPSC-derived nociceptive neurons -- IPSC-based peripheral nerve modeling -- Part 4 Non-neuronal specialized cell types -- iPSC-based drug screening of differentiated cardiomyocyte subtypes -- iPSC-based cardiac disease modeling: from cell to tissue -- iPSC-derived corneal endothelial cell -- iPSC-derived trabecular meshwork (eye) -- iPSC for in vitro disease modeling of diabetes.
    Abstract: Since their development a decade ago, human induced pluripotent stem cells (iPSC) have revolutionized the study of human disease, given rise to regenerative medicine technologies, and provided exceptional opportunities for pharmacologic research. These cells provide an essentially unlimited supply of cell types that are difficult to obtain from patients, such as neurons or cardiomyocytes, or are difficult to maintain in primary cell culture. iPSC can be obtained from patients afflicted with a particular disease but, in combination with recently developed gene editing techniques, can also be modified to generate disease models. Moreover, the new techniques of 3 Dimensional printing and materials science facilitate the generation of organoids that can mirror organs under disease conditions. These properties make iPSC powerful tools to study how diseases develop and how they may be treated. In addition, iPSC can also be used to treat conditions in which the target cell population has been lost and such regenerative approaches hold great promise for currently untreatable diseases, including cardiac failure or photoreceptor degenerations.
    Type of Medium: Online Resource
    Pages: VIII, 332 p. 100 illus., 30 illus. in color. , online resource.
    Edition: 1st ed. 2023.
    ISBN: 9783031423499
    Series Statement: Handbook of Experimental Pharmacology, 281
    DDC: 612.8
    Language: English
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  • 2
    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
    Type: info:eu-repo/semantics/patent
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  • 3
    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
    Type: info:eu-repo/semantics/patent
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  • 4
    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
    Type: info:eu-repo/semantics/patent
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  • 5
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Biomembranes 455 (1976), S. 526-537 
    ISSN: 0005-2736
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 0005-2736
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Marine biology 69 (1982), S. 37-43 
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The activity of Na−K-ATPase was measured in crude homogenates prepared from various organs (leg muscle, pincer muscle, heart, testes, digestive gland, hypodermis, gills 1–9) of shore crabs, Carcinus maenas L., acclimated to salinities ranging between 10 and 50‰ S (in steps of 10‰ S). In all salinities tested, Na−K-ATPase activity was highest in posterior gills 7–9 (10–12 μmol Pi mg protein-1 h-1), followed by anterior gills 1–6 (ca. 2.5 μmol Pi mg protein-1 h-1) and the other organs (in most cases far below 2μmol Pi mg protein-1 h-1). In gills only, Na−K-ATPase activity was salinity-dependent, with the highest values in the lowest salinities and vice versa. In gills 7–9, Na−K-ATPase activity was increased more than threefold following a reduction in salinity from 50 to 10‰ S. Na−K-ATPase activity, expressed as percentage of total ATPase activity, amounted to 60–80% in gills, about 60% in hypodermis and 20–40% in the other organs. Ouabain, a specific inhibitor of Na−K-ATPase activity, reduced serum osmolalities in crabs kept at 9–10‰ S only when injected into the hemolymph (1 and 5 · 10-5 M), but had no effect when dissolved in ambient water (10-4 M). The results obtained underline that crustacean gills are the main organs for ionic regulation, and confirm the hypothesis of the central role of the Na−K-ATPase in active Na uptake as the basic mechanism of hyperregulation in dilute media. Reduction of serum osmolalities following injection of ouabain into the hemolymph confirms previous reports on localization of the sodium pump in the basolateral parts of epithelial cells.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    The visual computer 10 (1993), S. 145-159 
    ISSN: 1432-2315
    Keywords: Visualization of multidimensional data ; Cluster analysis ; Vector quantization ; Topological ordering ; Neural networks ; Remote sensing ; Image classification ; Environmental protection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract This paper describes the application of self-organizing neural networks on the analysis and visualization of multidimensional data sets. First, a mathematical description of cluster analysis, dimensionality reduction, and topological ordering is given taking these methods as problems of discrete optimization. Then, the Kohonen map is introduced, that orders its neurons according to topological features of the data sets to be trained with. For this reason, it can also be called a topology-preserving feature map. In order to visualize the results obtained during the self-organization process, the standard map has been extended to a three-dimensional cube of neurons, where each neuron represents a discrete entity in the red green blue color space (RGB). According to the ordering properties of the network neighbored neurons and thus similr colors refer to data vectors with similar features. The application of this technique on multidimensional Landsat-TM remotely sensed image data, namely, the analysis of the burning oil fields in Kuwait, demonstrates the capabilities of the introduced method. Moreover it can be used to solve general visualization problems of data mapping into a lower dimensional representation.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    The visual computer 12 (1996), S. 1-17 
    ISSN: 1432-2315
    Keywords: Key words: Computer-supported cartooning ; Shape-matching ; Coloring ; Painting ; Vector representation ; Image structuring
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract. An approach to computer-supported cartooning is described that aims at optimizing the image-related working process by introducing computer-support in the drawing and painting stages of traditional cartoon production, in particular, allowing automatic coloring of a sequence of digitized images. This is achieved by using a shape-matching algorithm to evaluate the similarity of image regions and by performing an optimum region assignment to identify the corresponding ones and propagate the color information through the image sequence. In order to maintain the use of traditional drawing tools, the first step in the proposed system architecture is the processing of scanned animators’ drawings to enhance their quality and extract meaningful information. Two different system modules allow either manual coloring of images or computer-assisted automatic painting of an image sequence. Additional modules allow the construction of a vector representation for the images, the generation of in-betweens, and the composing of each cartoon frame. The first stages of the system’s architecture – image preprocessing, painting and vectorization – are presented. Special emphasis is placed on the fundamental ideas behind the computerassisted painting and vectorization steps. The competitiveness of the approach, which requires no special hardware or high-performance workstation, is shown.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    The visual computer 12 (1996), S. 1-17 
    ISSN: 1432-2315
    Keywords: Computer-supported cartooning ; Shape-matching ; Coloring ; Painting ; Vector representation ; Image structuring
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract An approach to computer-supported cartooning is described that aims at optimizing the image-related working process by introducing computer-support in the drawing and painting stages of traditional cartoon production, in particular, allowing automatic coloring of a sequence of digitized images. This is achieved by using a shape-matching algorithm to evaluate the similarity of image regions and by performing an optimum region assignment to identify the corresponding ones and propagate the color information through the image sequence. In order to maintain the use of traditional drawing tools, the first step in the proposed system architecture is the processing of scanned animators' drawings to enhance their quality and extract meaningful information. Two different system modules allow either manual coloring of images or computer-assisted automatic painting of an image sequence. Additional modules allow the construction of a vector representation for the images, the generation of in-betweens, and the composing of each cartoon frame. The first stages of the system's architecture — image preprocessing, painting and vectorization — are presented. Special emphasis is placed on the fundamental ideas behind the computer-assisted painting and vectorization steps. The competitiveness of the approach, which requires no special hardware or high-performance workstation, is shown.
    Type of Medium: Electronic Resource
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