الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Bacterial isolates were collected from endoscopy before and after operation , urine and blood of patients in new Surgical Hospitals. Four isolates were selected as most resistant isolates to antibiotics and glutaraldehyde. These isolates were identified as S. aureus , P. aeruginosa , E. coli and S. epidermidis. (MICs) and (MBCs) of Ciprofloxacin and Ofloxacin were determined for the selected isolates. The effect of different Chemical and physical disinfectants on endoscopy was study, and the effective concentration at the best exposure time was determined. Chemical disinfectants such as (Glutaraldehyde, Hydrogen peroxide, Ethanol Orthophthalaldehyde and P3-oxonia) , physical such as thermal treatment and irradiation with Ultra Violet and gamma rays