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Performance without Premium Cost
Why spend more of your research dollars than you need to for an enhanced chemiluminescent (ECL) substrate? Sigma's CPS-3 Chemiluminescent Peroxidase Substrate-3 is an economic alternative for high-throughput Western applications that still outperforms the competition. This two-component system provides low nanogram detection with superior signal-to-noise ratio and less background. In addition, the two-component system is stable after mixing, so you can prepare enough working reagent for a day or a week at a time.
With CPS-3 you get:
- Sensitivity — Low nanogram protein detection with superior signal-to-noise ratio.
- Fast — Save time by eliminating the need to prepare fresh solutions hourly. Working solution is stable for at least 6 weeks.
- $$ saved — CPS-3 is half the cost of the leading ECL substrate.
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CPS-3 versus the Competition – Performance You Expect
Chemiluminescent detection of a FLAG®-bacterial alkaline phosphatase (BAP) fusion protein in a COS-7 cell lysate using CPS-3 and three ECL substrate formulations from the leading competitor. Sigma’s CPS-3 is more sensitive than Standard formulation B or Enhanced formulation C.
 Ordering Information
| Product Code |
Product Name |
Quantity |
Technical Manual |
| CPS3-50 |
Chemiluminescent Peroxidase Substrate-3 |
50 ml |
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| CPS3-100 |
Chemiluminescent Peroxidase Substrate-3 |
100 ml |
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| CPS3-500 |
Chemiluminescent Peroxidase Substrate-3 |
500 ml |
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For your most demanding high-sensitivity Western applications, try Chemiluminescent Peroxidase Substrate-1 for Western Blotting, delivering up to 100X improvement in signal-to-noise ratio over the competition.
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