Re: SDS Conc. for MALDI

ABRF (abrf@its.caltech.edu)
Thu, 17 Jun 1999 08:44:48 -0700

At 4:58 AM -0700 6/17/99, James Lee wrote:

> Molecular Biology Core Facilities 7:24 AM
6/10/99

> Dana 830 SDS Conc. for MALDI

> 632-3082

>

>Hi All,

> Sometime in the not so distant past I remember reading an article or
someone

>mentioning something about the critical % of SDS that can be used
when

>analyzing samples by MALDI. I seem to remember what was said was that
low

>levels(<<0.01%) of SDS were fine and surprisingly levels above 1% or
2% were

>fine. Does anyone recall reading about this or am I just having some
wishful

>thinking. Thanks.

>

>Jim,

this may be what you're looking for:

"Analysis of Peptide and Protein Samples Containing Surfactants by
MALDI-MS". Amado, F.M.L., Graca, Santana-Marques, M., Ferrer-Correia,
A.J., and Tomer, K.B. (1997) Anal. Chem. <bold>69</bold>, 1102-1106.

regards,

Gary Hathaway

Gary M. Hathaway

Director, Protein Analytical Lab

Caltech, 139-74

400 S. Wilson Ave.

Pasadena, CA 91125

hathaway@cco.caltech.edu