A series of technological steps concentrating around photolithography and UV polymer on glass replication in a mask-aligner that allow for the cost-effective generation of rather complex micro-optical systems on the wafer level are discussed. In this approach, optical functional surfaces are aligned to each other and stacked on top of each other at a desired axial distance. They can consist of ...

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The diffusion constant of a polymer chain1noving in a biomeInbrane is calculated within a two-dimensional hydrodynamical model coupled to an ambient fluid through the mornentuIn dissipation1nechanis1n. The obtained diffusion constant depends on the polymer size logarithmically and algebraically for the weak and strong coupling lirnits~ respectively. In a simple model of the diffusion of macromo...

........................................................................................................................................................ i Introduction ................................................................................................................................................. 1 Polymers ...........................................................................

The statistical mechanical properties of plane polymer loops enclosing a constant area are investigated, using a continuous model from the start. For this purpose an analytic expression for the generating functional is obtained, which in turn is used to derive (1) the distribution function for the enclosed area, (2) the average squared distance of a given repeating unit from the origin, and (3)...

Long-term storage of living cells on chip by a spontaneously formed phospholipid polymer hydrogel is reported. The technique can conquer the shortcomings of recent cell-based chips needing preparation of cells off chip before assays, and would finally make cell-based assays really on chip.