Catalog No.	PA007144
Product Name	Rat IgG2b Isotype Control Antibody (12B9) | PA007144
Supplier Name	Syd Labs, Inc.
Brand Name	Syd Labs
Synonyms	Recombinant Rat IgG2b Isotype Control, Rat IgG2b Negative Control Antibody, rtIgG2b Isotype Control
Summary	The in vivo grade recombinant rat IgG2b isotype control antibody (rtIgG2b isotype control) was produced in mammalian cells.
Clone	12B9.
Isotype	rat IgG2b, kappa
Applications	an isotype-matched negative control for rat IgG2b kappa antibodies used in ELISA, Western Blot (WB), Flow Cytometry (Flow), Immunoprecipitation (IP), Immunohistochemistry (Paraffin) (IHC (P)), Immunohistochemistry (Frozen) (IHC (F)), and in vivo animal model research.
Immunogen	N/A.
Form Of Antibody	0.2 μM filtered solution of 1x PBS.
Endotoxin	Less than 1 EU/mg of protein as determined by LAL method.
Purity	>95% by SDS-PAGE under reducing conditions.
Shipping	The recombinant Rat IgG2b Isotype Control Antibody is shipped with ice pack. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage	Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 1 month from date of receipt, 2 to 8°C as supplied. 3 months from date of receipt, -20°C to -70°C as supplied.
Order Offline	Phone: 1-617-401-8149 Fax: 1-617-606-5022 Email: message@sydlabs.com Or leave a message with a formal purchase order (PO) Or credit card.

Description

PA007144: Recombinant Rat IgG2b Isotype Control Antibody(12B9), In Vivo Grade

The Rat IgG2b Isotype Control Antibody (Clone 12B9) is an essential for researchers seeking to ensure the accuracy of immunological experiments. Its primary purpose is to serve as a negative control, helping to differentiate specific antibody binding from non-specific background signals in assays like flow cytometry, ELISA, immunohistochemistry (IHC), and in vivo studies. This recombinant antibody lacks reactivity to mouse, rat, or human proteins, making it ideal for validating the specificity of Rat IgG2b kappa primary antibodies. Researchers value its high purity (>95% by SDS-PAGE) and low endotoxin levels (<1 EU/mg), which are critical for reliable results in sensitive applications. Syd Labs’s in vivo grade recombinant rat IgG2b isotype control antibody (rtIgG2b isotype control) was produced in mammalian cells.

Customers often express concerns about consistency, versatility, and ease of use. The Rat IgG2b Isotype Control Antibody (12B9) addresses these by being recombinantly produced in CHO or HEK293 cells, ensuring lot-to-lot consistency and eliminating the variability associated with hybridoma-derived antibodies. It is available in multiple formats—purified, FITC, PE, APC conjugates, and Fc-silenced mutants—to suit diverse experimental needs, such as flow cytometry on mouse splenocytes or IHC on human tissues. The antibody is supplied as a 0.2 µm filtered solution in PBS (pH 7.4) or lyophilized with stabilizers, with clear instructions to store at 2-8°C for short-term use or -20°C for long-term stability, avoiding freeze-thaw cycles to maintain performance.

Please contact us to ask for a quote for the engineered rat IgG2b isotype control mutants, rtIgG2b isotype control antibody and mutants with Avi-, His-, and Flag-tags, and biotinylated rtIgG2b isotype control and mutants. A variety of conjugates (such as dyes and fluorophores) with the rat IgG2b isotype control antibody and Fc mutants are available.

Other in vivo grade Recombinant IgG Isotype Control Antibodies and Mutants:
Recombinant Rat IgG1 Isotype Control Antibody, In vivo Grade
Recombinant Rat IgG2a Isotype Control Antibody, In vivo Grade
Recombinant Rat IgG2b Isotype Control Antibody, In vivo Grade
Recombinant Rat IgG2c Isotype Control Antibody, In vivo Grade
Recombinant Human IgG1 Isotype Control Antibody and Mutants, In vivo Grade
Recombinant Human IgG2 Isotype Control Antibody, In vivo Grade
Recombinant Human IgG3 Isotype Control Antibody, In vivo Grade
Recombinant Human IgG4-S228P Isotype Control Antibody and Mutants, In vivo Grade
Recombinant Mouse IgG1 Isotype Control Antibody and Mutants, In vivo Grade
Recombinant Mouse IgG2a Isotype Control Antibody and Mutants, In vivo Grade
Recombinant Mouse IgG2b Isotype Control Antibody and Mutants, In vivo Grade
Recombinant Mouse IgG2c Isotype Control Antibody and Mutants, In vivo Grade
Recombinant Mouse IgG3 Isotype Control Antibody, In vivo Grade
Recombinant Hamster IgG1 Isotype Control Antibody, In vivo Grade
Recombinant Hamster IgG2 Isotype Control Antibody, In vivo Grade

In vivo Grade Recombinant IgG Fc Proteins:
Recombinant Rat IgG2a Fc Protein (rtIgG2a), In vivo Grade
Recombinant Rat IgG2b Fc Protein (rtIgG2b), In vivo Grade
Recombinant Human IgG1 Fc Protein (hIgG1), In vivo Grade
Recombinant Human IgG2 Fc Protein (hIgG2), In vivo Grade
Recombinant Human IgG4 Fc Protein (hIgG4), In vivo Grade
Recombinant Mouse IgG1 Fc Protein (mIgG1), In vivo Grade
Recombinant Mouse IgG2a Fc Protein (mIgG2a), In vivo Grade
Recombinant Mouse IgG2b Fc Protein (mIgG2b), In vivo Grade
Recombinant Llama IgG2b Fc Protein (lIgG2b), In vivo Grade
Recombinant Rabbit IgG Fc Protein (rIgG), In vivo Grade

Rat IgG2b Isotype Control(12B9) from: Rat IgG2b Isotype Control Antibody: PA007144 Syd Labs

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