Tris buffered saline (TBS) is a common buffer that has uses in Western Blots as a wash buffer and diluent solution, Elisa, and as a general use wash buffer in many immunoassay applications.
Some applications require the addition of the detergent Tween-20. As such, we at Tribio™ provide several different formulations with or without Tween-20 so our customers have the flexibility to choose the best product depending on their specific application.

Our Tween buffers come in the following concentrations with these ingredients:

10x Formulation (TBS5008):
0500mM Sodium Chloride
500mM Tris-HCl
Supplied at pH=7.2-7.4

1x Formulation (TBS5008R):
150mM Sodium Chloride
50mM Tris-HCl
Supplied at pH=7.2-7.4

10x TBS Formulation w/ Tween-20 (TBS5008T):
1500mM Sodium Chloride
500mM Tris-HCl
0.5% Tween-20
Supplied at pH=7.2-7.4

Store at room temperature