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Merck
CN

75824

Sigma-Aldrich

Tracy 640 Protein Labeling Kit

suitable for fluorescence

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UNSPSC代码:
12352200

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荧光

λex 648 nm; λem 670 nm in PBS (0.1 M)

适用性

suitable for fluorescence

储存温度

2-8°C

其他说明

This kit contains sufficient amounts of reactive dye, buffers, and protein purification sets for performing five labeling reactions (1 mg protein each) and for the subsequent purification of the labeled protein.
Tracy 652 is a NIR fluorescent dye that is highly water-soluble and stable. The spectral range above 650 nm is of particular interest in biology analysis and imaging due to the reduced background and improved sensitivity.

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Lot/Batch Number

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. In what buffers can I prepare my protein for labeling with Tracy dye?

    We recommend Sodium Bicarbonate buffer, pH 9.5, when working with Tracy  Products 91471 and 75824, but it is necessary to avoid the use of buffers or solvents that contain amine groups, e.g. tris or ammonium ions.

  6. What ratio of dye to protein for antibodies labled with Tracy Products 91471 and 75824 show the maximum fluorescence intensity?

    A dye to protein ratio of 4:1 produces maximum fluorescence intensity.

  7. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

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