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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201900291
|2 doi
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|a pubmed24n0982.xml
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|a (DE-627)NLM294680632
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Li, Chunching
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Buoyancy-Driven Gradients for Biomaterial Fabrication and Tissue Engineering
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 27.11.2019
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|a Date Revised 29.01.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2019 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a The controlled fabrication of gradient materials is becoming increasingly important as the next generation of tissue engineering seeks to produce inhomogeneous constructs with physiological complexity. Current strategies for fabricating gradient materials can require highly specialized materials or equipment and cannot be generally applied to the wide range of systems used for tissue engineering. Here, the fundamental physical principle of buoyancy is exploited as a generalized approach for generating materials bearing well-defined compositional, mechanical, or biochemical gradients. Gradient formation is demonstrated across a range of different materials (e.g., polymers and hydrogels) and cargos (e.g., liposomes, nanoparticles, extracellular vesicles, macromolecules, and small molecules). As well as providing versatility, this buoyancy-driven gradient approach also offers speed (<1 min) and simplicity (a single injection) using standard laboratory apparatus. Moreover, this technique is readily applied to a major target in complex tissue engineering: the osteochondral interface. A bone morphogenetic protein 2 gradient, presented across a gelatin methacryloyl hydrogel laden with human mesenchymal stem cells, is used to locally stimulate osteogenesis and mineralization in order to produce integrated osteochondral tissue constructs. The versatility and accessibility of this fabrication platform should ensure widespread applicability and provide opportunities to generate other gradient materials or interfacial tissues
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|a Journal Article
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|a biomaterials
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|a buoyancy
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|a gradients
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|a osteochondral
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|a tissue engineering
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|a BMP2 protein, human
|2 NLM
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|a Biocompatible Materials
|2 NLM
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|a Bone Morphogenetic Protein 2
|2 NLM
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|a Cross-Linking Reagents
|2 NLM
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|a Methacrylates
|2 NLM
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|a Hydrogel, Polyethylene Glycol Dimethacrylate
|2 NLM
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| 650 |
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|a 25852-47-5
|2 NLM
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| 650 |
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|a Gelatin
|2 NLM
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| 650 |
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|a 9000-70-8
|2 NLM
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| 700 |
1 |
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|a Ouyang, Liliang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pence, Isaac J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Moore, Axel C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Yiyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Winter, Charles W
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Armstrong, James P K
|e verfasserin
|4 aut
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| 700 |
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|a Stevens, Molly M
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 31(2019), 17 vom: 02. Apr., Seite e1900291
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:31
|g year:2019
|g number:17
|g day:02
|g month:04
|g pages:e1900291
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|u http://dx.doi.org/10.1002/adma.201900291
|3 Volltext
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