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Thermo Scientific™ Pro-Detect™ Rapid Human Fc Assay Kit

Catalog No. PIA38504
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PIA38504 10 Assays
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Catalog No. PIA38504 Supplier Thermo Scientific™ Supplier No. A38504
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Description

Includes

10 assays

Pro-Detect™ Rapid Protein Fc Assay Kit is a single-use, dipstick lateral flow kit for quick, easy detection of human, rabbit or mouse Fc-tagged proteins in protein expression and purification systems.

  • Lateral flow assay uses membrane-based strips coated with dye-bound conjugated antibodies specific to the Fc tag to provide a visual, color readout for detection within ten minutes
  • Detect tagged proteins directly from cell culture media (supernatant) or cell lysates without any special instrumentation or handling.
  • Easy to adopt—lateral flow strips can be used early in and throughout expression to monitor and confirm expression of desired protein-tagged target
  • Simple, fast method—simply dilute sample using provided diluent and dip in the lateral flow strip for visual results within 5 to 10 minutes
  •  Sensitive—detect protein tags in supernatant or cell lysate samples down to low μg/mL concentrations
  • Specific—assay does not cross-react with common lysis and protein preparation reagents
  • Reliable—results are similar to other antibody immunoassays, including western blot and ELISA
  • Long shelf life—stable for at least one year at 4°C

Specifications

Content And Storage • 10 Rapid Assay Strips
• Sample Diluent, 15 mL

Sufficient for 10 assay determinations

Store at 2–8°C.
Detectable Analytes Human Fc-tagged proteins
Assay Lateral Flow Rapid Assay
Detection Method Chromogenic
Product Line Pro-Detect
Product Type Assay
Sample Type Cell Culture Supernatant, Cell Lysates
Specificity Antibody
Sufficient For 10 assays
Target Species Human
For Use With (Application) Lateral Flow Rapid Assay
Quantity 10 Assays
Shipping Condition Wet Ice
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Frequently Asked Questions (FAQs)

With Ion S5 2X Cleaning Solution, how long does a "pulse clean" take to complete?

It takes approximately 47 mins to do a "pulse clean",
When using Ion S5 2X Cleaning Solution, where in the software should I select "pulse clean"?

Go to "System tools" and select "pulse clean". The instrument must already have been cleaned after a run.
What are the dimensions of the bottles in Ion S5 2X Cleaning Solution?

Here are the bottle dimensions:
- Length (Metric) 61 mm
- Height (Metric) 131.1 mm
- Width (Metric) 61 mm
How many bottles of Ion S5 2X Cleaning Solution do you provide in Cat. No. A34172?

The kit contains 2 bottles of Ion S5 2X Cleaning Solution.
Which instruments is Ion S5 2X Cleaning Solution compatible with?

Ion S5 2X Cleaning Solution is compatible with GeneStudio S5/GeneStudio S5 Plus/GeneStudio S5 Prime systems and Ion S5/Ion S5 XL systems.
When should I use Ion S5 2X Cleaning Solution?

Ion S5 2X Cleaning Solution is used to perform a pulse clean of your Ion S5 Sequencer (GeneStudio S5/GeneStudio S5 Plus/GeneStudio S5 Prime systems and Ion S5/Ion S5 XL systems) to either recover the instrument performance from a diagnosed solid-state buffer leak or perform preventative maintenance if the instrument has not been used for several months.
Can I use the Pro-Detect assay kits for rapidly isotyping antibodies?

The Pro-Detect Rapid Antibody Isotyping Kit is a lateral-flow assay with high sensitivity for rapid determination of the immunoglobulin class, subclass, and light chain type of monoclonal antibodies. Two different formats of rapid isotyping kits are available. These include dipstick format and cassette-based format. One can use these kits to identify the isotype of a mouse, rat, or human antibody. Make sure to follow the recommended dilution guidelines.

I am using a Pro-Detect assay kit and cannot differentiate banding pattern between control lysates and lysates that are actually expressing proteins of interest. What is the problem?

1) It is likely that there could be a substance interfering with the assay. Check the compatibility table on this page (https://www.thermofisher.com/us/en/home/life-science/protein-biology/protein-assays-analysis/pro-detect-rapid-assays.html), under “Detergent and salt compatibility limits”.
2) The expression level of the actual tagged protein is below the detectable range of the assay.

Using Pro-Detect assay kits, can I detect the protein of interest in a mixture of proteins such as a crude lysate?

Yes, first, make sure that the protein of interest is tagged and that we offer a Pro-Detect assay kit that can detect that tag. Secondly, make sure that you follow the guidelines to detect proteins in crude lysate and if necessary increase or decrease the lysate concentration to bring the protein of interest within the detectable range of the assay.

Note that the guidelines for the recommended detection ranges reflect the concentration of the pure tagged protein in a given sample mixture.
How do I interpret the gradual disappearance of four lines in the Pro-Detect competition assay kits?

As the concentration of the tag in the protein sample increases, the number of lines will decrease until they all disappear. The concentration of the tagged proteins is inversely related to the number of lines appearing on the strip.
Are the results of Pro-Detect assay kits comparable to western blotting?

Yes. Western blotting is a widely used and accepted tool to identify a specific protein in a complex mixture. However, it is a time-consuming and labor-intensive process, with many preparative steps and time intervals to manage. The Pro-Detect rapid assays are able to provide comparable accuracy but with much shorter processing time (10-15 min) and less hands-on steps. For further information, please see the data shown on this page (https://www.thermofisher.com/us/en/home/life-science/protein-biology/protein-assays-analysis/pro-detect-rapid-assays.html) under “Results are comparable to western blotting”.
How specific are the Pro-Detect assay kits? Is there any cross-reactivity observed among various kits ?

Except for MBP Pro-Detect strips which cross-react with bacterial proteins, no other cross-reactivity of Pro-Detect strips has been observed. An example is shown in the figure on this page (https://www.thermofisher.com/us/en/home/life-science/protein-biology/protein-assays-analysis/pro-detect-rapid-assays.html) under “No cross-reactivity with other targets” where there was no cross-reactivity of Pro-Detect rapid GST assay strips with proteins endogenous to mammalian, bacterial, Sf9 cells (lanes 1-5) or with any other non-specific tag proteins (lanes 7-19). In addition, even when using 100% of Minimum Essential Medium with 10% FBS, there was no cross-reactivity detected.
Are the Pro-Detect assay kits compatible with common detergent and salt concentrations used in protein purification/detection protocols?

We examined the performance of the Pro-Detect rapid assay in the presence of various concentrations of detergents and salts that are commonly used in protein expression and isolation. Reagents tested include NaCl, Urea, Triton-X 100, SDS, NP40, EDTA, Glycerol, KCl, CHAPS, RIPA, BPER, and MPER. For estimates of each assay tolerance level for the tested detergents and salts, please refer to the table under “Detergent and salt compatibility limits” at https://www.thermofisher.com/us/en/home/life-science/protein-biology/protein-assays-analysis/pro-detect-rapid-assays.html

What is the ideal range of protein concentration needed for using Pro-Detect assay kits?

For sandwich assays, the range is 0.1-10 µg/mL of pure tagged protein.
Note: The lateral flow assays can detect outside of this range; however, intensity of the bands will be lower at concentrations higher and lower than the working range. It is not recommended to use at concentrations less than 0.01 µg/mL. In a mixture of proteins such as lysates, the target protein has to be in the detectable range (0.1-10 µg/mL) for the assay to be successful.

For competition assays, the range is 4-20 µg/ml.
Note: The competitive lateral flow assays can detect down to 1 µg/mL, but loss of band intensity may be less distinguished. As there is no upper limit, the lateral flow strip will continue to show positive results at concentrations greater than 20 µg/mL, visualized by complete loss of test lines (test lines closest to the sample will disappear first). It is not recommended to use at concentrations less than 1 µg/mL.

For Research Use Only. Not for use in diagnostic procedures.