The polymeric 157 nm pellicle was passivated on both sides to isolate it from environmental contamination. TAF pellicles were sputter deposited with 5 nm thick films of CaF2, MgF2, Al, Mg, TiN, SiNx, Si, and PTFE, separately. The light transmission and life expectancy of the coated and uncoated pellicles were investigated. The coated pellicles were also analyzed with ESCA for surface structure changes. The coating process changed the pellicle's deterioration mechanism and life expectancy.
A new micro-channel protein separation device, which is easy to separate proteins from a mixture and includes an in-situ protein detection set up, has been fabricated. An example of separating two proteins from a mixture within 15 min using a low electric field of 20 V/cm is demonstrated. The separated protein was confirmed by the staining method and electron spectroscopy for chemical analysis (ESCA). This device is potentially applicable to the separation of a wide range of biomolecules.
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