Hi all,
I have 2 question:
1.what double loop do?
2. what counterstain do?
Thank you very much.
p-s: I don't get any spam.

Luz Cardenas, MD
Post-doctoral Research Trainee
Department of Anatomy and Neurobiology
University of Tennessee Health Science Center
855 Monroe Avenue, Room 309/302
Memphis, TN 38163
ph: (901) 448-6002 / 7318(Lab) 
Fax: (901) 448-7193(Dept)