Principle
Gamma-glutamyltransferase (GGT) transfers the y-glutamyl group of L–glutamyl-3-carboxy-4-nitroanilide to glycylglycine. The amount of
5-amino-2-nitrobenzoate liberated at 405 nm. is proportional to the activity of GGT in serum/plasma and is measured kinetically
Procedure
Reaction type …………………. Kinetic
Reaction direction …………………. Increasing
Wavelength …………………. 405 nm
Flow Cell temperature …………………. 37°C
Zero setting with ………………….Working solution
Delay time …………………. 60 seconds
No. of readings – 3
Interval …………………. 60 seconds
Sample volume …………………. 0.05 ml (50 ul)
Working solution volume (4 R, : 1 R) ………………….. 1.0 ml (1000 )
Factor …………………. 2201
Linearity …………………. 1000 IUN
Quality Control
To ensure adequate quality control, it is recommended that each batch should include normal and an abnormal commercial reference control the serum. It should be realized that the use of quality control material checks both instrument and reagent functions together. Factors which might affect
the performance of this test include proper instrument function, temperature control, cleanliness of glassware and accuracy of pipetting
Other Details
The reagent kit should be stored at 2- 8°C and is stable till the expiry date indicated on the label.
Reagents are stable till expiry at 2-8°C.
The working solution (4 R,+1 R) is stable for 21 days at 2-8°C.
Salim Akram –
We are using reagents and instruments. Very good product.