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TP0200

Total Protein Kit, Micro-Lowry, Onishi & Barr Modification

sufficient for ~50 manual assays

Synonyme(s) :

Total Protein Assay Kit

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1 kit
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183,00 $

A propos de cet article

NACRES:
NA.32
UNSPSC Code:
12352202

183,00 $


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description

wavelength 500-750nm

Quality Segment

usage

sufficient for ~50 manual assays

protein detection level measuring range

0-1 mg/mL

parameter

18-26 °C temperature, 200 μL sample volume

storage temp.

2-8°C

General description

The biuret and Lowry procedures are used for protein determination. The former is widely used for clinical assays. The latter, though more sensitive, is used for investigative work and is limited by poor stability of combined reagents, non-reproducibility of color, especially at low protein concentration, and nonlinear chromogenic response with protein concentration. Ohnishi and Barr modified the biuret reagent for the Lowry procedure, thereby simplifying it while improving the stability of the combined reagent.

Application

Total Protein Kit, Micro-Lowry, Onishi & Barr Modification has been used to determine total soluble protein concentrations:
  • in the dialyzates/extracts of gliadins[1]
  • in the extracts of flour (Avena sativa and Triticum durum) and seeds (Chenopodium quinoaSalvia hispanica L.)[2]
  • in the stored samples of rat liver microsomal fractions

Biochem/physiol Actions

Colorimetric, Endpoint.assay. Ohnishi and Barr′s modification of micro Lowry method. According to procedure, dilute biuret reagent reacts with peptide bonds to yield a purple-blue complex, the color of which is intensified by the addition of phenol reagent. Absorbance, read at 550-750 nm, is used to determine results from a standard curve.

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Cet article
TP0300F9252PROTTOT
Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

usage

sufficient for ~50 manual assays

usage

sufficient for ~200 assays

usage

-

usage

-

parameter

18-26 °C temperature, 200 μL sample volume

parameter

-

parameter

-

parameter

-

description

wavelength 500-750nm

description

-

description

-

description

-

protein detection level measuring range

0-1 mg/mL

protein detection level measuring range

-

protein detection level measuring range

-

protein detection level measuring range

-

storage temp.

2-8°C

storage temp.

-

storage temp.

room temp

storage temp.

2-8°C


Composants de kit également disponibles séparément

Réf. du produit
Description
FDS & Tarif

  • Biuret reagent, protein detection level 150-1,000 μg/mL 110 mL
    FDS

  • Folin & Ciocalteu’s phenol reagent 5 mL
    FDS

pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1

Classe de stockage

8A - Combustible corrosive hazardous materials

flash_point_f

Not applicable

flash_point_c

Not applicable



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Questions

  1. does it works for samples with 11 mg/ml?

    1 answer
    1. The microprotein kit TP0200 is not intended for use above 1 mg/ml

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