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ROTI®Fair pNPP 5mg , 24 stuks, blister

5 mg/tablet, for biochemistry
pNPP (tablet), p-Nitrophenyl phosphate
Storage temp. -20 °C
Transport temp. ambient temp.

For preparation of pNPP substrate solution for alkaline phosphatase.
0,1 % pNPP solution (1 mg/ml) is prepared by dissolution of 1 tablet in 5 ml substrate buffer.

Exactly pre-weighed tablets for convenient and rapid preparation of pNPP solution.

102,70 €/VE 

Excl. btw | 24 stuks Per VE

Bestelnr. 1117.1

Binnenkort beschikbaar
Vrij van verzendingskosten vanaf 125 €
Vanaf 6 VE 97,56 €/VE
Vanaf 24 VE 92,43 €/VE
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Exactly pre-weighed tablets for convenient and rapid preparation of pNPP solution.

Prepared solution may be sterilized by filtration (0,22 µm). The solution has to be stored at -20 °C in aliquots.

ROTI®Fair Products - Sustainability

As ready-to-use mixtures, ROTI®Fair products reduce the user's exposure to health-damaging substances used for preparation or pH adjustment. The production of ROTI®Fair tablets and sachets is carefully controlled in large quantitis and can be made energy efficient. ROTI®Fair products reduce the total amount of waste produced and improve the footprint in the climate balance.

ROTI®Fair pNPP 5mg 5 mg/tablet, for biochemistry

Technische informatie
Menghoeveelheid 5 mg/tablet 
Eindconcentratie 1 mg/ml 
Enzyme Alkaline phosphatase 
Bewijs Colour (yellow) 
Buffer/oplossing pNPP (tablet), p-Nitrophenyl phosphate 
Signaalproduct soluble (ELISA, activity assay) 
Toepassing Substrate solution for alkaline phosphatase 
ROTI®Fair pNPP 5mg
Geselecteerde hoeveelheid:   0
  1. Tussentotaal:  0.00
Bestelnr. VE Verp. Prijs Hoeveelheid
1117.1 24 stuks blister 102,70 €
1117.2 100 stuks plastic 274,15 €
Op voorraad
Binnenkort beschikbaar
Niet beschikbaar
Leveringsdatum onbekend op dit moment
Geselecteerde hoeveelheid:   0
  1. Tussentotaal:  0.00

Downloads / VIB

Algemene informatie

Assay protocol for use of BCIP/NBT in immunoblot procedures:

Stock solutions (All solutions are stable for at least 1 year at 4 °C):
0.5 g NBT in 10 ml 70 % dimethylformamide;
0.5 g BCIP (p-toluidine salt) in 10 ml 100 % dimethylformamide.
Incubation buffer for alkaline phosphatase:
100 mM NaCl, 5 mM MgCl2,100 mM Tris (pH 9.5).
Fresh substrate solution: 66 μl NBT stock solution + 10 ml incubation buffer, mix well, add 33 μl BCIP stock solution. Use within 1 hour.
Blot development: Approx. 10 ml substrate solution per 15 x 15 cm2 membrane surface. Develop at room temperature until bands become visible (approx. 30 mins).
Reaction stop: Rinse with PBS/20 mM EDTA.

Detection of peroxidase activity (Immunoassay):

Dissolve 1 mg TMB in 0.1 ml dimethylsulfoxide (Art. No. 4720); add 9.9 ml of a 0.1 M sodium acetate solution (pH 6.0) (Powder: Art. No. 6779), filter and add H2O2 (Art. No. 8070) (final concentration 0.01 %).

Always prepare freshly!

Incubation 10-30 mins at room temperature (approx. 50 μl per microtitre well; finally add 50 μl 1 M H2SO4, Art. No. X873, per well).
Photometric quantitation at 450 nm.

Reference: Bos, E.S. et al., (1981) J. Immunoassay 2, (3/4), 187.


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Prepared solution contains 1 mg/ml pNPP, when 1 tablet is dissolved in 5 ml substrate buffer or deionized, or distilled, water.

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