cAMP Detection Assay

for pharmaceutical and biotech research

Novel options for high-throughput laboratories in cAMP screening


SBS2008 Tutorial (PDF) (1.5MB)

Your benefits

  • One-step reagent addition
  • High signal-to-noise ratio
  • Extraordinarily stable components

Technical advantages

  • HTS-approved assay format
  • Nano-TRF detection principle
Suppression of compound/background fluorescence
High signal-to-noise ratio
High dynamic range
Good linearity
  • Efficient and convenient assay protocol
One-step reagent addition saves labor and time
Color-coded reagents
  • Robust
Insensitive to divalent cations (Mg2+, Mn2+) and chelators (EDTA, EGTA)
Insensitive to high ATP concentrations
Cell-based assay, but also works with preparations of membranes
  • Stable
Signal can be read after up to 24 h (room temperature)
Working solution is stable at 4 °C for at least 2 months
  • Technical support
Theoretical and hands-on assistance comprising solutions to technical questions and adaptation of the test to the individual requirements.

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Assay description

The working principle of this competitive assay is based
on the detection of fluorescence resonance energy transfer (FRET)
thus providing a homogeneous assay format.
Fluorescently labeled cAMP (with ruthenium complex) competes with analyte cAMP for the binding site of the cAMP antibody, which is labeled with the acceptor dye. An increased analyte cAMP concentration corresponds to a decreased specific FRET signal.

Read-out requirements

Excitation 456 nm, nanosecond light pulses
Emission donor channel 620..630 nm, Integration 3500 ns, Delay 1500 ns
Emission acceptor channel 700..730 nm, Integration 300 ns, Delay 200 ns

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Experimental data


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Kit design

Two pack sizes of cAMP-Nano-TRF Detection Assay are available:
5,000 data points and
44,000 data points.
One data point is defined as the addition of 10 µl of working solution
(entire volume per well: 30 µl).

Kit content

Description Bottle/Cap Color Shipping/Storage Condition
1. Ru-cAMP solution cup with red lid in alu container -20°C/-20°C
2. anti cAMP-IgG AlexaFluor 700 solution cup with blue lid in alu container -20°C/-20°C
3. 3x lysis buffer polyethylene bottle -20°C/-20°C
cAMP-Nano-TRF Detection Kit is for life science research and in-vitro use only.
Not for use in diagnostic procedures.

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Assay protocol

  • Prepare cAMP-Nano-TRF working solution:
Simply add the two assay components to the 3x lysis buffer to prepare the cAMPNano-
TRF working solution.

  • Setting up the assay:
For setting up the screening assay simply add the prepared
cAMP-Nano-TRF working solution to your test vials.

  • Serve different microplate formats:
cAMP-Nano-TRF working solution is used by adding one part of
cAMP working solution (10 µl) to two parts of HTS reaction mix (20 µl).
Downscaling is possible provided this ratio is retained.

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Trademarks

Alexa Fluor is a trademark of Molecular Probes Inc.
CAMP-NANO-TRF is a trademark of Roche.
Other brands or product names are trademarks of their respective holders.

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Disclaimer

This product contains the AlexaFluor 700 dye licensed under an agreement
between Molecular Probes, Inc., a wholly owned subsidiary of Invitrogen
Corporation, and Roche Diagnostics GmbH and the manufacture, use, sale or
import of this component and conjugates and combinations thereof is subject
to one or more pending US applications and corresponding international
equivalents, owned by Molecular Probes, Inc. The purchase of this product
conveys to the buyer the non-transferable right to use this product for research
use only for performing TR-FRET assays (including HTS assays), including
contract research services for performing TR-FRET assays (including HTS
assays). The buyer cannot sell or otherwise transfer this product to a third party
or otherwise use this product for non-research use. For information on
purchasing a license to this AlexaFluor 700 dye for purposes other than as set
forth above, contact
Molecular Probes, Inc., Business Development,
29851, Willow Creek Road, Eugene, OR 97402-9132.
Phone: +1 (541) 465-8300. Fax: +1 (541) 335-0504.

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