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p-Nitrotetrazolium blue chloride, 100 mg

≥98 %, p.a.
Verp.
Pack.
Nitro-BT, NBT, Nitroblue tetrazolium chloride
Empirical formula C40H30Cl2N10O6
Molar mass (M) 817,65 g/mol
Melting point (mp) 189 °C
Storage temp. +4 °C
WGK 1
CAS No. [298-83-9]
EG-Nr. 206-067-4

Application: Stock solution: 0.5 g NBT in 10 ml 70 % dimethylformamide. Protect from light and humidity.

Used in combination with BCIP-toluidine salt (X-phosphate) for detection of alkaline phosphatase act ...
Productdetails
Type analysis

17,75 €/VE 

Excl. btw | 100 mg Per VE

Bestelnr. 4421.1

In stock
Vrij van verzendingskosten vanaf 125 €
24-Uur verzending
Vanaf 6 VE 16,86 €/VE
Vanaf 24 VE 15,98 €/VE
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Productdetails



p-Nitrotetrazolium blue chloride ≥98 %, p.a.

Used in combination with BCIP-toluidine salt (X-phosphate) for detection of alkaline phosphatase activity by producing an indigo dye precipitate. Colour enhancer for staining with alkalic phosphatase. During dimerisation of ketonized X-Phos, H+ ions are set free which reduce NBT to purple-coloured diformazan. Both dyes precipitate in the direct vicinity of the phosphatase, hence staining this site in a dark violet. Store at +4 °C. Please also see assay protocol for use of BCIP/NBT in immunoblot procedures.



Technische informatie
Toepassing Western, in situ, Histochemistry  
Enzyme Alkalische Phosphatase  
Detection Farbe (braun-violett)  
Signal product Präzipitat (Blot)  
p-Nitrotetrazolium blue chloride
Geselecteerde hoeveelheid:   0
  1. Tussentotaal:  0.00
Bestelnr. Verp. Pack. Prijs Hoeveelheid
4421.1 100 mg glass 17,75 €
4421.2 500 mg glass 44,65 €
4421.3 1 g glass 84,85 €
4421.4 5 g glass 306,40 €
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Niet beschikbaar
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Geselecteerde hoeveelheid:   0
  1. Tussentotaal:  0.00

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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.

Analysecertificaten

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De volgende analysecertificaten werden gevonden:

Type analysis

Assay (NT)≥98 %
Water (KF)≤5,0 %

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