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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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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 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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1. Re-derive the equation for equilibrium swelling of a polyelectrolyte gel where the polymer chains contain a basic ionizable group that becomes positively charged with decreasing pH
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1. Re-derive the equation for equilibrium swelling of a polyelectrolyte gel where the polymer chains contain a basic ionizable group that becomes positively charged with decreasing pH
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engineering intracellular delivery Drug targeting Today biosensor device classes Detection methods Overview of biosensor technology Classes of biosensor devices External analysis/detection
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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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Molecular Principles of Biomaterials Spring 2003 Lecture 2: Molecular Design and Synthesis of Biomaterials I: Biodegradable Materials Chemistry of Biodegradable Materials Hydrolytically degraded biomaterials Common hydrolytically unstable linkages Ester
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Experimental Foods Carbohydrates Starch and Sugars Alternative Sweeteners
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Live difficult diagnosis clinical picture, skin biopsy, corneal impression(antibodies only appear very late) Dead- brain sent to Onderstepoort Negri bodies in cytoplasm of brain cells; immunofluorescence virus isolation
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