Goat IgG anti-Alpaca IgG (VHH)-Cy3, MinX Bo
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Overview
SKU 128-165-232 Host Species IgG Form Species Reactivity Specificity Isotype Clonality (Mono-/Polyclonal) Application ELISA, Flow Cytometry, Immunocytochemistry, Immunofluorescence, Immunohistochemistry (frozen sections), Immunohistochemistry (IHC), Immunohistochemistry (Paraffin-embedded Sections)
Conjugation Maximum Absorption Maximum Emission No Cross-reactivity (MinX) with Dilution Format 0.05% NaN3, 15 mg/ml BSA (IgG- and Protease-Free), 250 mM NaCl, affinity purified by antigen-specific affinity chromatography, in 10 mM PBS (pH 7.6), lyophilisate
Intended Use Product line / Topic Manufacturer / Brand - Datasheets and Downloads
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Additional Product Information
Whole IgG antibodies are isolated as intact molecules from antisera by immunoaffinity chromatography. They have an Fc portion and two antigen binding Fab portions joined together by disulfide bonds and therefore they are divalent. The average molecular weight is reported to be about 160 kDa. The whole IgG form of antibodies is suitable for the majority of immunodetection procedures and is the most cost effective.Based on immunoelectrophoresis, Western blot and/or ELISA, the antibody reacts with the VHH domain of heavy chain (HC) alpaca IgG, subclasses 2 and 3, and with the VHH domain of llama IgG, subclasses 2 and 3. It also reacts with whole molecule alpaca and llama IgG1. No antibody was detected against non-immunoglobulin serum proteins. The antibody has been tested by ELISA and/or solid-phase adsorbed to ensure minimal cross-reaction with bovine serum proteins, but it may cross-react with immunoglobulins from other species.
These antibodies react primarily with the Fc region, and are not recommended for detection of VHH antibodies.
Conjugate
Cy3 is brighter, more photostable, and gives less background than other orange-red fluorescing dye conjugates. Cy3 conjugates can be excited maximally at 550 nm, with peak emission at 570 nm. For fluorescence microscopy, Cy3 can be visualized with traditional tetramethyl rhodamine (TRITC) filter sets, since the excitation and emission spectra are nearly identical to those of TRITC. We recommend Cy3 as a brighter alternative to TRITC. Cy3 can be excited to about 50% of maximum with an argon laser (514 nm or 528 nm lines), or to about 75% of maximum with a helium/neon laser (543 nm line) or mercury lamp (546 nm line). Cy3 has been used with fluorescein for double labeling however, the use of a narrow band-pass emission filter for fluorescein is recommended to minimize Cy3 fluorescence in the FITC filter set. Cy3 can also be paired with Alexa Fluor 647 for multiple labeling when using a confocal microscope. However, a better choice for multiple labeling is Rhodamine Red-X because its fluorescence is midway between a green fluorescing dye (like Alexa Fluor 488) and a far-red-fluorescing dye like Alexa Fluor 647.