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Show Optical DiaPTOre for Combinatorial Screening D. MaciJii. J,B, Dutimv iMtt uf MateriaJ Scitnce «£ En * I niversity a I l!tnh ts of a silicon photodtode designed in a\veU of siliconc, 1000 microns deep and 250 microns wide on a chip 50800 microns in diameter, will be tested in a series of iluorescent reactions. The series of fluorescent-Libeled chemical reactions were conducted to measure incident hght on the photodiode in the \vttv<iikngih rang^ of 700 nm? \vhich has a reported quantum yield of approximately 100 percent9. With this accuracy ^ve tan measui^ real itme themiciil rtiactions because ihe light iniensiiy and lifetime will be directly proportional io the reading specimen. In addilion. suiTace interactions of silicon vvitJi the corrosive chemical environment will be analyzed. Therefore, using the method of combinatorial chemistry and high throughput screening, the efficiency tn gathenng malarial dala that otherwise would be too itm^consuming and expensive to acquire will be improved Also,, this will accekralc our imderstimding of a system's material physics and chemistry. We hope to use this process in mass array drug discover7 and an materials 44 |