n-Dodecyl-beta-Maltoside Detergent

Catalog number: 89902

Thermo Scientific™  Related applications: Protein Purification & Isolation

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Description

Thermo Scientific n-Dodecyl-β-D-Maltoside is especially useful for solubilizing membrane proteins to preserve their activity.

The water soluble nonionic detergent is most often used for the isolation of hydrophobic membrane proteins. Multiple studies have shown that n-Dodecyl-β-D-maltoside is a gentle detergent that is often able to preserve protein activity better than many commonly used detergents, including NP-40, CHAPS and Octyl-β-glucoside.

Features of n-Dodecyl-β-D-Maltoside:

• Lipid-like nonionic detergent
• Especially useful for isolating and stabilizing hydrophobic membrane proteins
• Preserves activity of membrane protein better than most of the detergents
• High-purity compound with low UV absorptivity

Like most detergents, n-Dodecyl-β-D-maltoside has dual hydrophobic/hydrophilic properties that facilitate lipid displacement and provide a lipid-like environment for membrane proteins. Studies suggest that the ability of these surfactants to preserve membrane protein structure stems in part from the reduced disruption of lipid:protein interactions where some of the natural lipid associations are maintained. While no detergent or set of conditions is optimal for all studies on membrane proteins, n-Dodecyl-β-D-maltoside has unique characteristics that have made it especially helpful in certain protein methods.

Properties of n-Dodecyl-β-D-Maltoside:
• Chemical Name: n-Dodecyl-beta-D-maltoside
• Molecular Weight: 510.6g
• Detergent Class: Nonionic
• Aggregation Number: 98 (average), 70 to 140 range
• Micelle Molecular Weight: 50,000g
• Critical Micelle Concentration (CMC): 0.17 mM (0.009%, w/v) in water ; 0.12 mM (0.006%, w/v) in 0.2M NaCl
• Cloud Point: Unknown
• Dialyzable: No

Specifications for n-Dodecyl-beta-maltoside (Part No. 89902, 89903):
• Formula: C24H46O11
• Molecular Weight: 510.6g
• Purity (by HPLC): ≥99%
• Absorbance (1% Detergent Solution): 340nm <0.02; 280nm <0.04; 260nm <0.06; 225nm <0.1
• pH (1% Solution): 5 to 8
• Solubility (in water at 0 to 5°C): ≥20%
• Conductivity (10% Solution) : <40mS

Related Products
Surfact-Amps™ Detergent Sampler
For Research Use Only. Not for use in diagnostic procedures.

Specifications

Form: Powder
Product Size: 1 g
Reagent Type: Detergent (Pure)

Contents & storage

Store below -20°C.

Documents

Manuals & protocols