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VECTASHIELD Antifade Mounting Medium with DAPI

Catalog Number: H-1200

Availability: In stock

Unit Size: 10 ml

Single copy DNA probe to the Downs region of chromosome 21 using FITC-labeled antibody (green) and mounted in VECTASHIELD Mounting Medium with DAPI (blue) - Photo courtesy of Cytocell Ltd. Zoom



    • Inhibits photobleaching of fluorescent dyes and fluorescent proteins
    • Ideal refractive index (1.45)
    • Ready-to-use - from the refrigerator to the benchtop
    • No warming necessary
    • Can be stored without sealing for long term analysis
    • Non-hardening formulation
    • DAPI counterstain

    Additional Information

    Catalog Number H-1200
    Unit Size 10 ml
    Country of Manufacture United States
    Applications Immunofluorescence, In situ hybridization, Cellular Imaging
    Mounting Aqueous (Non-Hardening)
    Antifade Yes
    Counterstain DAPI (blue fluorescence)
    Cellular Stain Nucleus
Additional Info


    VECTASHIELD® Antifade Mounting Medium is a unique, stable formula for preserving fluorescence. VECTASHIELD® Mounting Medium prevents rapid photobleaching of fluorescent proteins and fluorescent dyes.


    • Inhibits photobleaching of fluorescent dyes and fluorescent proteins
    • Ideal refractive index
    • Ready to use
    • Offered with nuclear or cytoskeletal counterstains
    • Available in non-hardening or hardening formulations
    • No warming necessary
    • Can be stored without sealing for long term analysis
    • Easy to use

    The original VECTASHIELD® Mounting Medium does not solidify, but remains a liquid on the slide and can be stored without sealing. If desired, coverslips can be sealed around the perimeter with nail polish or a plastic sealant. Mounted slides should be stored at 4 °C, protected from light.

    VECTASHIELD® HardSet™ Mounting Medium preserves fluorescence and hardens after coverslipping. After approximately 15 minutes at room temperature, the coverslip will become immobilized, and optimal antifade ability and refractive index will be achieved. 

    VECTASHIELD® Mounting Media are compatible with a wide array of fluorochromes, enzymatic substrates, and fluorescent proteins. Please consult the compatibility table (under the "Protocol/Data Sheet/SDS" tab) to determine if VECTASHIELD® will be compatible in your system.

    Both the VECTASHIELD® HardSet™ and the original VECTASHIELD® Mounting Media are available with or without the counterstain DAPI (4 , 6-diamidino-2-phenylindole).  The DAPI concentration can be modified by mixing with the corresponding VECTASHIELD® Mounting Medium without DAPI.  DAPI produces a blue fluorescence when bound to DNA with excitation at about 360 nm and emission at 460 nm.

    R.J. Florijn, et. al. Cytometry, 19 (1995) 177-182.

    The refractive index for VECTASHIELD® Mounting Medium is 1.45.

    VECTASHIELD Mounting Medium Antifade Comparison

    Other manufacturers measure the antifade properties of their mountants using labeled microspheres or arrayed spots. Vector Labs prefers to measure antifade properties of VECTASHIELD® mountants using frozen tissue sections immunohistochemically stained with fluorescently labeled secondary antibodies.  Antifade capability is measured using a 40x objective with real time imaging over 30 seconds of continuous exposure to the excitation illumination. Individual intensity measurements are recorded from 6 separate labeled regions and the average is calculated. The intensity after 30 second exposure is expressed as a percentage of the intensity at zero time. The values for PG are taken from the manufacturer s published results.

    VECTASHIELD Mounting Medium Antifade Comparison
    VECTASHIELD Antifade Properties
    VECTASHIELD Products

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Protocols/Data Sheet/SDS