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Merck
CN

11464752001

Roche

Alkaline Phosphatase (AP), activated

from calf intestine

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About This Item

UNSPSC Code:
12352204
EC Number:
Technical Service
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biological source

bovine (calf) intestine

assay

>95% (HPLC)

form

lyophilized (clear, colorless solution after reconstitution)

usage

sufficient for ≤5 labeling reactions

specific activity

8 units/μg protein (At 25 °C with 4-nitro-phenylphosphate as substrate (pH 9.8)

)

packaging

pkg of 10 mg (approx. 40 mg lyophilizate)

manufacturer/tradename

Roche

shipped in

wet ice

storage temp.

2-8°C

General description

Orthophosphoric-monoester phosphohydrolase (alkaline optimum)
The quantity of enzyme is sufficient to conjugate approx. 2 mg immunoglobulin G (IgG). Roche recommends dividing the total quantity to be conjugated into 5 portions; each portion provides 0.3 to 0.5 ml of conjugate from approx. 0.35 mg IgG; this quantity can be diluted 1:4,000 to 1:10,000 for ELISA applications.

Contents
Alkaline phosphatase from calf intestine lyophilizate from 0.5 ml.

Application

The reagent can be used for labeling water-soluble substances with reactive and accessible primary amino groups (e.g., peptides or proteins) with alkaline phosphatase for use in analytical methods.
It is particularly suitable for the coupling of antibodies with alkaline phosphatase, as the resulting conjugate is optimal for use in immunochemical detection systems, for example,  ELISA, immunohistochemistry, and immunoblotting procedures.
The enzyme can be used without pre-activation for the labeling of Ig, Ig Fab, and Ig F(ab′)2 fragments from rabbit, mouse, sheep, and goat.

Preparation Note

Working solution: Dissolving the lyophilizate in 0.5 ml double dist. Water produces an alkaline phosphatase concentration of 20 mg/ml.
Storage conditions (working solution): The reconstituted solution is stable for 5 days at 2 to 8 °C. The solution can be aliquoted and shock frozen at -70 °C or below, and then stored at -15 to -25 °C.

Analysis Note

Purity: >95% (HPLC)

Other Notes

For life science research only. Not for use in diagnostic procedures.


Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

does not flash

flash_point_c

does not flash



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