detection methods Surface plasmon resonance biosensors Today cell- and tissue-based sensors Primary transducers and biosensor design with living cells microphysiometer Reading J.J. Pancrazio et al., Development and application of cell-based biosensors, Ann Biomed

engineering intracellular delivery Drug targeting Today biosensor device classes Detection methods Overview of biosensor technology Classes of biosensor devices External analysis/detection

Lecture 17: Drug targeting Last time Intracellular drug de Today Drug targeting Reading T.J. Wickham, 'Ligand-directed targeting of genes to the site of disease, Nat. Med. 9(1) 135-139(2003)

Hydrogels in drug delivery Control of drug release kinetics by hydrogel structure6, Release from stable hydrogels is controlled by diffusion of solute through the network Diffusion is described by Fick,s second law

《工程科学学报》：纳米隔热材料的孔隙结构特征与气体热传输特性

Lecture 8: Physical Hydrogels Last Day Overview of biomedical applications of hydrogels Structure of covalent hydrogels Thermodynamics of hydrogel swelling Today Bonding in physical hydrogels Structure and thermodynamics of block copolymer hydrog Reading

Lecture 6: Biodegradable Polymers for Tissue Engineering Last time: enzymatic degradation of solid polymers Engineering biological recognition of polymers Toda Designing polymers for tissue engineering Reading

Lecture 7: Hydrogel Biomaterials: Structure and Physical Chemistry Last Day: programmed/regulated/multifactor controlled release for drug delivery and tissue engineering

Lecture 7: Hydrogel Biomaterials: Structure and Physical Chemistry Last Day: programmed/regulated/multifactor controlled release for drug delivery and tissue engineering

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