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1. An early study in the development of peptide-presenting biomaterials showed that polymer surfaces bearing RGD peptides at a density equivalent to -10 peptides per each cell was sufficient to promote cell attachment, spreading and subsequent cell growth. In contrast, when whole
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Biodegradable Solid Polymers Spring 2003 Issued Day 1 5 points/problem(20 points total) 1. The chemical structure of a new degradable polymer, poly(ethylene glycol)-b-polylysine-b- poly (D, L-lactide), is shown below a. Based on chemical structure al
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Biodegradable Solid Polymers Spring 2003 Issued Day 1 Day 3 1. The chemical structure of a new degradable polymer, poly (ethylene glycol)-b-polylysine-b- poly (D, L-lactide)
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Lecture 5: Controlled Release Devices Last time: Using enzyme substrate and cytokine peptides to engineer biological recognition of synthetic polymers Today: principles of controlled release devices based on degradable polymers Synthesis of controlled release devices Theory of polymer-based controlled release
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Lecture 2: Molecular Design and Synthesis of Biomaterials I: Biodegradable Solid Polymeric Materials(continued) hemistry and physical chemistry of degrading polymeric solids for biomaterials Today Theory of polymer erosion Enzymatic degradation of synthetic biomaterials Designing degradable materials Reading
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3.064 Quiz 3- Sample Questions 1. Consider a unidirectionally reinforced fiber-matrix composite a)What elastic constants(relative to the fiber and transverse directions )are needed to describe this material?
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麻省理工学院:《polymer engineering》p7 6
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麻省理工学院:《polymer engineering》p4 8
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麻省理工学院:《polymer engineering》p4 17
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麻省理工学院:《polymer engineering》p4 15
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