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Protein Detection & Analysis

We offer a variety of products for protein analysis, plus protein markers, blocking agents, and other Western Blotting Reagents.

One-Step Protein Gel Stains
Fast, non-toxic visible and fluorescent gel stains

Mix-n-Stain™ Total Protein Prestain Kits
For sensitive and linear in-gel protein quantitation and western normalization

GloMelt™ Thermal Shift Assay for Protein Stability
Highly sensitive thermal shift dye tolerates detergents and other additives

AccuOrange™ Protein Quantitation Assay
Highly sensitive fluorescence-based protein assay

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    TrueBlack® WB Blocking Buffer Kit

    Sizes: 10 membranes, 50 membranesCatalog #: 23013, - 23013-TView allHide

    Buffer system optimized for fluorescence-based western provides superior specificity, sensitivity, and background suppression.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
    Size
    Catalog #
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    10 membranes
    50 membranes
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    Buffer system optimized for fluorescence-based western provides superior specificity, sensitivity, and background suppression.

     

    GloMelt™ Thermal Shift Protein Stability Kit

    Sizes: 200 assays, 2,000 assaysCatalog #: 33021-T, 33022-T, 33021-1, - 33022-1View allHide

    Kit for fluorescence-based measurement of protein unfolding or thermal stability in thermal shift assay, also called Protein Thermal Shift™, differential scanning fluorimetry, or Thermofluor assay.

    Reference dye
    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
    Size
    Catalog #
    price
    Qty
    200 assays
    2,000 assays
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    (Please select quantity above )

    Kit for fluorescence-based measurement of protein unfolding or thermal stability in thermal shift assay, also called Protein Thermal Shift™, differential scanning fluorimetry, or Thermofluor assay.

     

    One-Step Blue® Protein Gel Stain

    From: $92 Sizes: 1 LCatalog #: 21003-1L

    A visible, blue protein gel staining solution. Fast protein staining in a single step without fixation or washing.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
    Size
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    Qty
    1 L
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    A visible, blue protein gel staining solution. Fast protein staining in a single step without fixation or washing.

     

    One-Step Lumitein™ Protein Gel Stain

    From: $118 Sizes: 1 L, 4 LCatalog #: 21004-1L, - 21004-4LView allHide

    A safe, ready-to-use luminescent protein gel stain. Because it requires no fixation or wash steps, it is a big improvement on the original Lumitein™ protein gel stain.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
    Size
    Catalog #
    price
    Qty
    1 L
    4 L
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    A safe, ready-to-use luminescent protein gel stain. Because it requires no fixation or wash steps, it is a big improvement on the original Lumitein™ protein gel stain.

     

    One-Step Lumitein™ UV Protein Gel Stain

    From: $160 Sizes: 1 L, 4 LCatalog #: 21005-1L, - 21005-4LView allHide

    A ready-to-use luminescent protein gel stain optimized for UV-based fluorescence imaging systems. Non-toxic, with no fixation required.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
    Size
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    price
    Qty
    1 L
    4 L
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    A ready-to-use luminescent protein gel stain optimized for UV-based fluorescence imaging systems. Non-toxic, with no fixation required.

     

    Peacock™ Plus Prestained Protein Marker

    Sizes: 50 uL, 500 uLCatalog #: 21531-500uL, - 21531-50uLView allHide

    A visible three-color protein marker for SDS-PAGE or western blotting, with 12 bands ranging from 8 to 245 kDa.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
    Size
    Catalog #
    price
    Qty
    50 uL
    500 uL
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    (Please select quantity above )

    A visible three-color protein marker for SDS-PAGE or western blotting, with 12 bands ranging from 8 to 245 kDa.

     

    Peacock™ Prestained Protein Marker

    Sizes: 50 uL, 500 uLCatalog #: 21530-50uL, - 21530-500uLView allHide

    A visible three-color protein marker for SDS-PAGE or western blotting, with 10 bands ranging from 10 to 180 kDa.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
    Size
    Catalog #
    price
    Qty
    50 uL
    500 uL
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    (Please select quantity above )

    A visible three-color protein marker for SDS-PAGE or western blotting, with 10 bands ranging from 10 to 180 kDa.

     

    10X Fish Gelatin Blocking Agent

    From: $58 Sizes: 100 mLCatalog #: 22010

    A solution of cold water fish skin gelatin that can be added to blocking buffers to minimize non-specific antibody binding in immuno-detection procedures such as western blotting and cell staining.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
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    Qty
    100 mL
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    A solution of cold water fish skin gelatin that can be added to blocking buffers to minimize non-specific antibody binding in immuno-detection procedures such as western blotting and cell staining.

     

    AccuOrange™ Protein Quantitation Kit

    From: $48 Sizes: Trial size (200 assays), 2,000 assaysCatalog #: 30071, - 30071-TView allHide

    Highly sensitive, fluorescence-based quantitation of purified proteins.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
    Size
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    price
    Qty
    Trial size (200 assays)
    2,000 assays
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    (Please select quantity above )

    Highly sensitive, fluorescence-based quantitation of purified proteins.

     

    Dry Milk Powder

    From: $52 Sizes: 4 x 25 gCatalog #: 22012

    A blocking agent commonly used to minimize background noise in immunodetection procedures such as western blotting and immunostaining.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
    Size
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    Qty
    4 x 25 g
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    A blocking agent commonly used to minimize background noise in immunodetection procedures such as western blotting and immunostaining.

     

    Fish Gelatin Powder

    From: $52 Sizes: 2 x 50 gCatalog #: 22011

    Gelatin from fish skin that can be added to blocking buffers to minimize non-specific antibody binding in immuno-detection procedures such as western blotting and cell staining.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
    Size
    Catalog #
    price
    Qty
    2 x 50 g
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    Gelatin from fish skin that can be added to blocking buffers to minimize non-specific antibody binding in immuno-detection procedures such as western blotting and cell staining.

     

    Lumitein™ Protein Gel Stain 100X

    From: $43 Sizes: 2 mL, 10 mL, 50 mLCatalog #: 21002, 21002-1, - 21002-2View allHide

    A luminescent dye designed for detecting proteins in SDS polyacrylamide (SDS-PAGE) gels. As sensitive as silver stain.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
    Size
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    price
    Qty
    2 mL
    10 mL
    50 mL
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    A luminescent dye designed for detecting proteins in SDS polyacrylamide (SDS-PAGE) gels. As sensitive as silver stain.

     

    Lumitein™ Protein Gel Stain 1X

    From: $58 Sizes: 200 mL, 1 L, 5 x 1 LCatalog #: 21001, 21001-1, - 21001-2View allHide

    A luminescent dye designed for detecting proteins in SDS polyacrylamide (SDS-PAGE) gels. As sensitive as silver stain.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
    Size
    Catalog #
    price
    Qty
    200 mL
    1 L
    5 x 1 L
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    A luminescent dye designed for detecting proteins in SDS polyacrylamide (SDS-PAGE) gels. As sensitive as silver stain.

     

    Ponceau S solution

    From: $70 Sizes: 1 LCatalog #: 22001

    A red visible dye that rapidly stains proteins on western blotting membranes for easy visual inspection of protein transfer.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
    Size
    Catalog #
    price
    Qty
    1 L
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    A red visible dye that rapidly stains proteins on western blotting membranes for easy visual inspection of protein transfer.

     

    Tween® 20

    From: $59 Sizes: 50 mLCatalog #: 22002

    A polysorbate surfactant commonly used as a blocking and washing agent in Western blotting and other immunostaining assays.

    Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
    Size
    Catalog #
    price
    Qty
    50 mL
    Clear selection
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    ADD TO CART
    (Please select quantity above )

    A polysorbate surfactant commonly used as a blocking and washing agent in Western blotting and other immunostaining assays.