In-situ photopolymerization and monitoring device for controlled shaping of tissue fillers, replacements or implants
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A kinetic model for solid-state polycondensation of nylon-6 was developed by extrapolation of the melt chemistry to the amorphous phase of the solid polymer. In this way, a phenomenological description of the process was obtained that required examining al ...
This dissertation is concerned with the development of a methodology and appropriate tools for the investigation of chemical reaction systems using measured data. More specifically, the determination of reaction stoichiometry and kinetics from concentratio ...
Interfaces in metal and ceramic composites differ from interfaces in polymer matrix composites inasmuch as: (i) fiber degradation due to chemical reaction with the matrix at processing temperatures is frequent and (ii) bonding at the interface is generally ...
High quality pseudomorphic Si1-yCy and Si1-x-yGexCy layers were grown on (100) Si between 530 and 650 degrees C by rapid thermal chemical vapor deposition in the SiH4/GeH4/SiH3CH3/H-2 system. These layers contained up to 30 at. % Ge and up to 2.2 at. % C. ...
An instrumentation is being developed to draw a fluorescence life-time map of tissue endoscopically. This fluorescence life-time of an endogenous or exogenous fluorochrome gives information about the physico-chemical environment which is thought to vary be ...
We describe a new fluorescence imaging device for clin. cancer photodetection in hollow organs in which the tumor/normal tissue contrast is derived from the fluorescence lifetime of endogenous or exogenous fluorochromes. This fluorescence lifetime contrast ...
The usefulness of 6-nitro BIPS as a photochromic tracer in org. liqs. was investigated. The photochromic effect of this dye permits the soln. to be decolored conveniently after each tracer expt. so that the same liq. may be used in a closed loop for a larg ...
Stretchable optical and electronic fibers constitute increasingly important building blocks for a myriad of applications, particularly in robotics, soft prosthesis, surgical tools and implants, and smart medical textiles. The integration of multimaterial a ...