4 criterion xt tris-acetate gels – Bio-Rad Criterion™ TBE-Urea Precast Gels User Manual
Page 17

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Gel Percentage
Optimum Separation Range
XT MES Buffer
XT MOPS Buffer
10%
2.5–200 kD
14–220 kD
12%
1–30 kD
6–66 kD
4–12%
2.5–200 kD
10–300 kD
3.2.4 Criterion XT Tris-Acetate Gels
Criterion XT Tris-acetate gels are based on a Tris-acetate buffer system (pH 7.0). It uses discontinuous
acetate and Tricine ion fronts to form moving boundaries that stack and separate large denatured
proteins by molecular weight.
Gel Composition
Gel buffer
Tris-acetate, pH 7.0
Crosslinker
3.8% C
Stacking gel
4% T, 3.8% C
Storage buffer
Tris-acetate, pH 7.0
Shelf life
8 months at 2–8°C; expiration
date is printed on each cassette
Gel Percentage
Optimum Separation range
7%
36–200
kD
3–8%
40–400
kD
Migration charts for protein standards
on Criterion XT Tris-Acetate gels.
Migration charts for protein standards on Criterion XT Bis-Tris gels.
Instruction Manual and Application Guide
- Criterion™ TBE Precast Gels Criterion™ Cell Criterion Precast Gels Criterion Dodeca Cell 2-D Electrophoresis Workflow Criterion™ IEF Precast Gels Criterion™ Zymogram Precast Gels Criterion™ XT Tris-Acetate Precast Gels Criterion™ Tris-Tricine Precast Gels Criterion™ XT Bis-Tris Precast Gels Criterion Stain Free™ Tris-HCl Gels Criterion™ Tris-HCl Precast Gels Criterion™ TGX Stain-Free™ Precast Gels Criterion™ TGX™ Precast Gels