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Lauryldimethylamine-N-oxide / LDAO / DDAO / N,N-Dimethyl-1-dodecanamine-N-oxide
Molecular Formula:
C14H31NO
Molecular Weight:
229.41
CMC (H2O) ~ 1-2 mM5 (0.023%) CMC (0.1M NaCl) ~ 0.14 mM5
Aggregation Number (H2O)6 ~ 76
dn/dc (H2O)7 0.1381 mL/g
Micelle Size5,8: 17 kDa, 21.5 kDa
Purity ≥ 95% pure by HPLC analysis.
Purified to contain < 500 μM of equivalent peroxide.
pH (1% solution) 5-9
Solubility in water at 20°C ≥ 30%
Conductance (10% solution) < 500 mS
Absorbance of a 1% detergent solution:
340 nm < 0.1
280 nm < 0.1
260 nm < 0.2
1. Michel, H., J. Mol. Biol. 158, 567-572 (1982).
2. Malkin, R., Arch. Biochem. Biophys. 169, 77-83 (1975).
3. Reithmeier, A. F., et al, Biochem. 32, 1172-1179 (1993).
4. Dawkins, D. J., et al, in Crystallization of Membrane Proteins (Hartmut Michel, Ed.) 125-137, CRC Press, Boca Raton (1991).
5. Herrmann, K. W., J. Phys. Chem. 66, 292 (1962).
6. Herrmann, K. W. J., Colloid Interface Sci. 22, 352 (1966).
7. Measurement obtained in collaboration with Professor Mark Foster (University of Akron) under an experimental services contract
8. P Strop and AT Brunger, Protein Sci. 14, 2207-2211 (2005).
CAS:
1643-20-5