Reagent Strip (Chemical Examination of Urine) Flashcards
Enumerate the 10 reagent strip parameter
Specific gravity
pH
Protein
Glucose
Ketones
Blood
Bilirubin
Urobilinogen
Nitrite
Leukocyte esterase
Principle of specific gravity?
pKa change of polyelectrolyte
Principle of pH?
Double indicator system
Principle of protein?
Protein error of indicator
Principle of glucose?
Glucose oxidase reaction
Principle of ketones?
Sodium nitroprusside reaction
Principle of blood?
Pseudo-peroxidase activity of heme
Principle of bilirubin?
Diazo reaction
Principle of urobilinogen?
Ehrlich reaction
Principle of nitrite?
Greiss reaction
Principle of leukocyte esterase
Granulocytic esterase reaction
Reaction time of specific gravity?
45 s
Reaction time of pH?
60 s
Reaction time of protein?
60 s
Reaction time of glucose?
30 s
Reaction time of ketones?
40 s