By Ch.Moore

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Extra resources for Atomic Energy Levels: As Derived From the Analyses of Optical Spectra (Cr-Nb)

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4,6,7 It has been proposed that the presence of the CF3 groups at the surface of fluorocarbon RFGD films may be responsible for their tight binding of protein. 56 MHz generator coupled to a 10 em diameter glass tubular reactor by a matching network. The monomer flow rates and pressures were controlled by mass flow controllers, a capacitive pressure gauge, a throttle valve, and a mechanical pump. Pressures of 150 to 200 mTorr, RF powers of~ 10 watts, and deposition times of two to three hours were typically used to deposit remote films from TFE and hexafluoroethane (HFE).

5 nAof Xe+ ions defocusedand rastered over a 5 x 5 mm analysis area was used to generate secondary ions for the quadrupole-based system. 5 pA cs+ ions rastered over a 100 x 100 11m analysis area was used to generate secondary ions for the ToF system. On both systems the total ion dose (including both setup and analysis time) per analysis area was kept below 5 x 10 12 ions/cm2 . Positive and negative secondary ions were acquired from all samples with mass ranges of 0 to 300 m/z used with the quadrupole analyzer and 0 to 1000 mlz used with the ToF reflectron analyzer.

D. Ratner. In preparation. 44 DEPOSITION OF FLUOROCARBON FILMS BY REMOTE RF GLOW DISCHARGES David G. Castner, I Pietro Favia,2 and Buddy D. Ratner1,3 I Department of Chemical Engineering and 3 Center for Bioengineering Box 351750 University of Washington, Seattle, Washington 98195 USA 2Department of Chemistry University of Bari Centro di Studio per la Chimica dei Plasmi - CNR Via Orabona 4, 70126 Bari,ITALY INTRODUCTION The outer atomic layers of a biomaterial becomes the interface with the biological environment when that material is placed in the body.

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Atomic Energy Levels: As Derived From the Analyses of Optical Spectra (Cr-Nb) by Ch.Moore


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