Gary is 100 % correct no reaction in 10 seconds then you got a
negative. You get it wrong and your in La LA land my friend. also wear
gloves and dont sneeze when you are performing the test and run a blank.
Addtional as previously stated all reagents must be fresh or have
other wise been stored with integrity at the prescribed temeprature.
Most manufactuturers market tests with instructions which have been
specifically optimised..dont ingnore there guide lines.
Good hunting
BEst Milton
In article <39A755C0.1CE1478 at ozemail.com.au>,
glum at ozemail.com.au wrote:
> When using manual tests always follow the exact method described in
either
> the original description if you cooked the stuff yourself or the
product
> insert if you bought the whole product.
>> In routine diagnostic bacteriology I have never believed in
differentiating
> between so called fast or normal oxidase reaction and so called slow
oxidase
> reaction. If you have freshly made reagent an there is no colour
change
> within 10 seconds the result is negative.
>> Gary
>> --
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