CD19 Recombinant Monoclonal Antibody

Name: CD19 Recombinant Monoclonal Antibody
Brand: Beta LifeScience
SKU: BLC-06673A
Availability: InStock

IHC image of CD19 Recombinant Monoclonal Antibody diluted at 1:100 and staining in paraffin-embedded human tonsil tissue performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4℃ overnight. The primary is detected by a Goat anti-rabbit IgG polymer labeled by HRP and visualized using 0.05% DAB.

Immunoprecipitating CD19 in Raji whole cell lysate | Lane 1: Rabbit control IgG instead of CD19 Recombinant Monoclonal Antibody in Raji whole cell lysate. | For western blotting,a HRP-conjugated Protein G antibody was used as the secondary antibody (1/2000) | Lane 2: CD19 Recombinant Monoclonal Antibody(2µg)+ Raji whole cell lysate(500µg) | Lane 3: Raji whole cell lysate (10µg)

Collections: Antibodies, Car-nk targets proteins

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Product Overview

Product Title	CD19 Recombinant Monoclonal Antibody
Description	The recombinant antibody against CD19 was produced using a synthesized peptide derived from human CD19 as the immunogen. This antibody exists as a non-conjugated isotype Rabbit IgG, Affinity-chromatography purified. This antibody has been validated on ELISA, WB, IHC, IP.
Uniprot Id - Alink	P15391
Reactivity	Human
Target Name	CD19
Target Synonyms	CD19; B-lymphocyte antigen CD19; B-lymphocyte surface antigen B4; Differentiation antigen CD19; T-cell surface antigen Leu-12; CD antigen CD19
Immunogen Description	A synthesized peptide derived from human CD19
Immunogen Species	Human
Immunogen Sequence	Complete sequences for the immunogen, target protein, and peptides are available upon request.
Conjugate	Non-conjugated
Clonality	Monoclonal
Isotype	Rabbit IgG
Purification Method	Affinity-chromatography purified
Buffer	Rabbit IgG in phosphate buffered saline, pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol.
Form	Liquid
Application	ELISA, WB, IHC, IP
Storage Conditions	Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.

FAQs

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.