{"product_id":"cd40-antibody-biotin-conjugated-bha10522731","title":"CD40 Antibody, Biotin conjugated","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis is a polyclonal anti-CD40 antibody raised in Rabbit, conjugated with Biotin, with confirmed utility in ELISA. It is designed to detect CD40 protein in Human and supports researchers working in immunology contexts where consistent antibody performance is required.\u003c\/p\u003e\n\n\u003ch2\u003eKey elements and design rationale\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmunogen:\u003c\/strong\u003e Recombinant Human Tumor necrosis factor receptor superfamily member 5 protein (21-193AA) — the immunizing antigen determines the epitope region; confirm epitope compatibility with sample preparation and expected post-translational modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHost species (Rabbit):\u003c\/strong\u003e Requires anti-rabbit-IgG secondary reagents. Use matched secondaries to avoid no-signal or cross-reactivity issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolyclonal format:\u003c\/strong\u003e Recognizes multiple epitopes, providing robust signal across varied preparations and species variants. Inherent lot-to-lot variability requires appropriate controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsotype (IgG):\u003c\/strong\u003e Compatible with standard Protein A\/G purification and widely supported by secondary reagents. Include an isotype-matched control at equivalent concentration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurification (Protein G purification):\u003c\/strong\u003e Enriches for specific immunoglobulin classes, reducing non-specific populations and improving signal-to-noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiotin conjugate:\u003c\/strong\u003e Amplified detection via streptavidin\/avidin reporters. Block endogenous biotin in biotin-rich tissues prior to staining.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBiological background\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCD40\u003c\/strong\u003e (also referred to as AI326936, B cell associated molecule CD40, B cell surface antigen CD40, B cell-associated molecule, B-cell surface antigen CD40, Bp50, CD 40, CD40, CD40 antigen (TNF receptor superfamily member 5), CD40 antigen, CD40 molecule, CD40 molecule, TNF receptor superfamily member 5, CD40 protein, CD40 type II isoform, CD40L receptor, CDw40, GP39, HIGM1, IGM, IMD3, MGC9013, Nerve growth factor receptor related B lymphocyte activation molecule, OTTHUMP00000031699, OTTHUMP00000031700, p50, T-BAM, TBAM, TNF receptor superfamily member 5, TNFRSF5, TNR5_HUMAN, TRAP, Tumor necrosis factor receptor superfamily , member 5, Tumor necrosis factor receptor superfamily member 5, Tumor necrosis factor receptor superfamily member 5 precursor, Tumor necrosis factor receptor superfamily, member 5, isoform CRA_a) is a protein target studied in Human systems. Expression levels, subcellular localization, and post-translational modifications vary across cell types, tissues, and disease states — factors that influence antibody-based detection and experimental design. Consult UniProt, NCBI Gene, and primary literature for current annotation of CD40 biology, including known isoforms, interactors, and disease-relevant expression patterns in immunology.\u003c\/p\u003e\n\n\u003ch2\u003eCommon research applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eELISA:\u003c\/strong\u003e Sandwich or indirect ELISA can quantify soluble target in biological fluids or culture supernatants. Ensure samples fall within the linear detection range.\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003ch2\u003eNotes for experimental interpretation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsotype controls:\u003c\/strong\u003e Use an isotype-matched (IgG from Rabbit) control at equivalent concentration to assess non-specific background.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-reactivity:\u003c\/strong\u003e Polyclonal preparations may cross-react with related proteins or isoforms. Orthogonal validation (siRNA, KO lysate, recombinant protein) is recommended to confirm signal specificity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatrix effects:\u003c\/strong\u003e Sample matrix (serum, plasma, lysate, homogenate) can affect performance. Pilot dilution linearity and spike-recovery experiments are recommended for quantitative studies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecies reactivity:\u003c\/strong\u003e Confirmed for Human. Extrapolation to untested species requires empirical validation given potential epitope sequence divergence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eThis product is a polyclonal antibody purified from rabbit antiserum.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003c!-- Sources (internal):\n- UniProt: https:\/\/www.uniprot.org\n- NCBI Gene: https:\/\/www.ncbi.nlm.nih.gov\/gene\n- Cusabio datasheet: https:\/\/www.cusabio.com\n- Human Protein Atlas: https:\/\/www.proteinatlas.org\n- PubMed: https:\/\/pubmed.ncbi.nlm.nih.gov\n--\u003e","brand":"CUSABIO TECHNOLOGY LLC","offers":[{"title":"50 ug","offer_id":53240328585581,"sku":"CSB-PA004936LD01HU-50UG","price":170.98,"currency_code":"USD","in_stock":true},{"title":"100 ug","offer_id":53240433017197,"sku":"CSB-PA004936LD01HU-100UG","price":307.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7424\/7277\/files\/Cusabio_Antibody_Placeholder_3b87a9a7-1737-44a4-bc5d-3093fdec18cd.jpg?v=1784926632","url":"https:\/\/www.ebiohippo.com\/products\/cd40-antibody-biotin-conjugated-bha10522731","provider":"BioHippo","version":"1.0","type":"link"}