<prompt> Best disinfectant for endoscopes is:HypochloriteFormaldehydeGlutaraldehydeChlorhexidine  <response>: Activated 2 alkaline glutaraldehyde is used for decontaminating flexible endoscopes.Advantages Relatively non-corrosive Will kill spores with prolonged exposure 3- 10 hours. DisadvantagesToxic. Irritant. Possible alternatives: Ortho-phthalaldehyde OPA peracetic acid. Chlorine dioxide ClO2 products such as Tristel. Super-oxidized water Sterilox.Advantages of these newer agents are - rapidly sporicidal, mycobactericidal and viricidal. BUT remember - No agent is clearly superior to the others and a thorough assessment needs to be performed before an alternative agent is chosen. 