Lecture 11: Molecular Design and Synthesis of Biomaterials Il: Inorganic Biomaterials Last time: hydrogel applications: molecular imprinting and responsive drug delivery Today biomineralization and biomimetic inorganic/organic composites Inorganic biomaterials Reading L A. Estroff and A D. Hamilton, ' At the interface of organic and inorganic chemistry
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
1. Two hydrogels are prepared from two different candidate polymers for controlled release of a protein drug, interleukin-2(IL-2). The gels exhibit the same swelling ratio at equilibrium, but gel A(formed by cross-linked polymer A, repeat unit molecular weight Mo= 100 g/mole)has
Chapter 12 Time Series Analysis 12.1 Stochastic processes A stochastic process is a family of random variables {Xt,t ET}. Example{St,t 0, 1,2,...} where St i=o X; and iid(0,2). St has a different distribution at each point t
Monetary Measures of Gains-to- Trade You can buy as much rice as you wish at RMB1 per kilogram once you enter the gasoline market. Q: What is the most you would pay to enter the market?
What Are We Doing in this Chapter? We take a further look at the comparative statics of demand function with respect to prices; We divide the changes in demand due to price changes into two effects: -Substitution effect
Microelectronics letters journals IEEE Electron Device letters Applied physics Letters Available online at libraries mit edu Click on vera (Virtual Electronic Resource Access)
Sputter deposition: Read Plummer Chap 9, Sections 9.2.2.2 to 9.3.10. Consider reading Ohring 1. You need to deposit a high quality (low electrical resistivity) Al film at a very high rate(v> I micron/min) and achieve good step coveage using sputter deposition
Gas flux across concentration gradient: J=h(Cg-Cs ), Cs=concentration at surface Flux for chemical reaction: J(#/vol s)=k Cs, where k=koexp[-AG/(kBT)I Film growth velos/ hk ii where Nr is number of deposited species/cm Diffusio
1.(Plummer 10.3)In a certain process, it is desired that the pitch of metal lines be equal to or less than 1.Omm(the pitch equals one metal linewidth plus one spacing between metal lines, measured at top of features). Assume that the metal linewidth and spacing are