[LAB] AMY
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FIRST METHOD USED TO QUANTITATE AMY
IODOMETRIC METHOD WOHLEGEMUTH IN 1908
METHOD USED TO STANDARDIZE THE AMOUN OF STARCH AND IODINE
SOMOGYI METHOD
METHOD THAT USED THE SOMOGYI METHOD AS A BASIS
AMYLOCLASTIC IN 1956 SACCHAROGENIC IN 1908
[DISADVANTAGE] SOMOGYI METHOD
LONG INCUBATION TIMES ENDOGENOUS GLUCOSE INTERFERENCE UNSTABLE REACTION COLORS POOR REPRODUCIBILITY AND RELIABILITY
METHOD THAT REPRESENT SIGNIFICANT IMPROVEMENT IN AMY MEASUREMENT
MALTOTETRAOSE AS SUBSTRATE METHOD
[DISADVANTAGE] MALTOTETRAOSE AS SUBSTRATE METHOD
SUBJECT TO RELATIVELY LONG PREINCUBATION TIMES ENDOGENOUS GLUCOSE INTERFERENCE FORMATION OF NADH INTERFERENCE
SUBSTRATE USED BY WALLENFELS
P-NITROPHENYLGLYCOSIDE
[METHOD] USES P-NITROPHENYLGLYCOSIDES AS SUBSTRATES
WALLENFELS
[METHOD] USES P-NITROPHYENYL-D-MALTOHEPTAOSIDE
MODIFIED WALLENFELS
SUBSTRATE USED BY THE MODIFIED WALLENFELS METHOD
P-NITROPHENYL-D-MALTOHEPTAOSIDE
INTERFERENCES ELIMINATED BY THE WALLENFELS METHOD
ENDOGENOUS GLUCOSE INTERFERENCES PYRUVATE INTERFERENCES
[METHOD] ELIMINATES THE INTERFERENCES CAUSED BY ENDOGENOUS GLUCOSE AND PYRUVATE
WALLENFELS METHOD
[MODIFIED WALLENFELS METHOD] PART OF THE MOLECULE BOCKED TO REDUCE SPONTANEOUS DEGRADATION OF THE SUBSTRATE
TERMINAL GLUCOSE
SUBSTANCE THAT SPONTANEOUSLY DEGRADES THE SUBSTRATE IN THE MODIFIED WALLENFELS METHOD
GLUCOSIDASE GLUCOAMYLASE
EFFECT OF GLUCOSIDASE AND GLUCOAMYLASE ON SUBSTRATES
SPONTANEOUS DEGRADATION
[ADVANTAGES] WALLENFELS METHOD
VERY SHORT LAG TIME GREATER STABILITY
THE DETERMINATION OF AMY ACTIVITY IS COMMONLY PERFORMED IN THE DIAGNOSIS OF WHAT CONDITION
ACUTE PANCREATITIS
WHAT CAN BE OBSERVED IN AMY LEVELS OF A PATIENT WITH ACUTE PANCREATITIS
AMY LEVELS ELEVATED FOR LONGER PERIODS IN URINE THAN IN SERUM
WHAT IS AN IMPORTANT MEASUREMENT TO DETERMINE WHEN FOLLOWING THE COURSE OF PANCREATITIS
RATIO OF THE AMY AND CREATININE CLEARANCES
STATE THE PRINCIPLE OF AMY ASSAYS
PNPG7 —AMY (pH 6.9-7.0)—> PNPG3 + MALTOTETRAOSE PNPG3 —GLUCOAMYLASE—>PNPG1 + GLUCOSE PNPG1 —GLUCOSIDASE—> P-NITROPHENOL + GLUCOSE
PH AT WHICH AMY ACTS ON SUBSTRATES IN ASSAYS
PH 6.9-7.0
AMY HYDROLYZES ___ TO ___
PNPG7 TO PNPG3 + MALTOTETRAOSE
GLUCOAMYLASE HYDROLYZES ___ TO ___
PNPG3 TO PNPG1 + GLUCOSE
GLUCOSIDASE HYDROLYZES ___ TO ___
PNPG1 TO P-NITROPHENOL + GLUCOSE