Maria,
The appearance of bubbles in the delivery tube during S3 and S2 delivery
is quite normal. In the old days, they have been said to even assist in the
wash process.
regards from a
grey beard.
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Gary M. Hathaway, Director
PPMAL - Protein/Peptide Micro Analytical Laboratory
California Institute of Technology
139-74, Division of Biology
Pasadena, CA 91125
http://www.cco.caltech.edu/~ppmal
email Gary: hathaway@cco.caltech.edu
email facility: ppmal@cco.caltech.edu
phone: lab (626) 395-6388 or office (626) 395-2769
FAX (626) 449-3414
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