Quantitative Determination of Alanine Aminotransferase GPT (Alt)
Quantitative Determination of Alanine Aminotransferase GPT (Alt)
Quantitative Determination of Alanine Aminotransferase GPT (Alt)
GPT (ALT)
NADH. Kinetic UV. IFCC rec. Liquid.
REAGENTS The Calibration is stable until 35 days. After this period the Calibration must
TRIS pH 7.8 100 mmol/L be performed again in order to obtain good results.
R1
Lactate dehydrogenase (LDH) 1200 U/L
Buffer REFERENCE VALUES4,5
L-Alanine 500 mmol/L
R2 Men 40 U/L
NADH 0,18 mmol/L
Women 32 U/L
Substrate -Ketoglutarate 15 mmol/L
Normal newborns have been reported to show a reference range of up to
PRECAUTIONS double the adult, attributed to the neonate’s hepatocytes. These values
R1: H290-May be corrosive to metals. decline to adult levels by approximately 3 months of age.
Follow the precautionary statements given in MSDS and label of the These values are for orientation purpose; each laboratory should establish its
product. own reference range.
PREPARATION PERFORMANCE CHARACTERISTICS
All the reagents are ready to use. Measuring range: From detection limit of 0 U/L to linearity limit of 400 U/L.
STORAGE AND STABILITY If the results obtained were greater than linearity limit, dilute the sample 1/10
All the components of the kit are stable until the expiration date on the with NaCl 9 g/L and multiply the result by 10.
label when stored tightly closed at 2-8ºC, protected from light and Precision:
contaminations prevented during their use. Intra-assay (n=20) Inter-assay (n=20)
Do not use reagents over the expiration date. Mean (U/L) 42,0 116 41,1 115
SD 0,47 0,42 0,76 1,61
Signs of reagent deterioration: CV (%) 1,11 0,36 1,85 1,40
- Presence of particles and turbidity. Sensitivity: 1 U/L = 0,00052 A / min.
- Blank absorbance (A) at 340 nm < 1.00. Accuracy: Results obtained using SPINREACT reagents (y) did not show
ADDITIONAL EQUIPMENT systematic differences when compared with other commercial reagents (x).
- SPIN640 / SPIN640Plus Autoanalyzer. The results obtained using 50 samples were the following:
- General laboratory equipment. Correlation coefficient (r)2: 0,99597.
Regression equation: y=1,1209x + 1,390.
SAMPLES The results of the performance characteristics depend on the analyzer used.
Serum or plasma1: Stability 7 days at 2-8ºC.
BIBLIOGRAPHY
QUALITY CONTROL 1. Murray R. Alanine aminotransferase. Kaplan A et al. Clin Chem The C.V.
Control sera are recommended to monitor the performance of assay Mosby Co. St Louis. Toronto. Princeton 1984; 1088-1090.
procedures: SPINTROL H Normal and Pathologic (Ref. 1002120 and 2. Young DS. Effects of drugs on Clinical Lab. Tests, 4th ed AACC Press, 1995.
1002210). 3. Young DS. Effects of disease on Clinical Lab. Tests, 4th ed AACC 2001.
If control values are found outside the defined range, check the 4. Burtis A et al. Tietz Textbook of Clinical Chemistry, 3rd ed AACC 1999.
instrument, reagents and technique for problems. 5. Tietz N W et al. Clinical Guide to Laboratory Tests, 3rd ed AACC 1995.
Each laboratory should establish its own Quality Control scheme and PACKAGING
corrective actions if controls do not meet the acceptable tolerances.
BARCODED REAGENTS LOAD MUST BE PRECEDED OF A Ref: MD41274 Cont.
R 1: 4 x 40 mL
SPINREACT “DATABASE” COPY INTO THE ANALYZER R 2: 2 x 20 mL
SOFTWARE. IT IS AVAILABLE UNDER REQUEST TO SPINREACT.
MDBEIS45-I 24/04/17 SPINREACT,S.A./S.A.U. Ctra.Santa Coloma, 7 E-17176 SANT ESTEVE DE BAS (GI) SPAIN
Tel. +34 972 69 08 00 Fax +34 972 69 00 99. e-mail: spinreact@spinreact.com
GPT (ALT)-LQ
GPT (ALT)
NADH. Cinético UV. IFCC rec. Líquido
MDBEIS45-E 24/04/17 SPINREACT,S.A./S.A.U. Ctra.Santa Coloma, 7 E-17176 SANT ESTEVE DE BAS (GI) SPAIN
Tel. +34 972 69 08 00 Fax +34 972 69 00 99. e-mail: spinreact@spinreact.com
GPT (ALT)-LQ
GPT (ALT)
NADH. Cinétique UV. IFCC rec. liquide
REACTIFS L’étalonnage est stable jusqu’à 35 jours. Passé ce délai, doit étalonnager de
TRIS pH 7,8 100 mmol/L nouveau pour obtenir de bons résultats.
R1
Lactate déshydrogénase (LDH) 1200 U/L
Tampon VALEURS DE REFERENCE4, 5
L-Alanine 500 mmol/L 25ºC 30ºC 37ºC
R2 NADH 0,18 mmol/L Hommes Jusqu’à 22 U/L 29 U/L 40 U/L
Substrats -Cétoglutarate 15 mmol/L Femmes Jusqu'à 18 U/L 22 U/L 32 U/L
Chez les nouveau-nés en bon état de santé, on a détecté des valeurs
PRECAUTIONS presque doublés par rapport à celle relevées chez les adultes, état donné
R1 : H290- Peut être corrosif pour les métaux. leur maturité hépatique, ces valeurs redeviennent normales dans les trois
Suivez les conseils de prudence donnés en SDS et étiquette. mois.
PREPARATION Ces valeurs sont données à titre d’information. Il est conseillé à chaque
Tous les réactifs sont prêts à l’emploi. laboratoire de définir ses propres valeurs de référence.
MDBEIS45-F 24/04/17 SPINREACT,S.A./S.A.U. Ctra.Santa Coloma, 7 E-17176 SANT ESTEVE DE BAS (GI) SPAIN
Tel. +34 972 69 08 00 Fax +34 972 69 00 99. e-mail: spinreact@spinreact.com
GPT (ALT)-LQ
GPT (ALT)
NADH. Cinético UV. IFCC rec. Líquido
MDBEIS45-P 24/04/17 SPINREACT,S.A./S.A.U. Ctra.Santa Coloma, 7 E-17176 SANT ESTEVE DE BAS (GI) SPAIN
Tel. +34 972 69 08 00 Fax +34 972 69 00 99. e-mail: spinreact@spinreact.com