产品中心 ELISA试剂盒 OneStep ELISA 试剂盒

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Human TNF-α OneStep ELISA Kit

货号: S0C3024

  • 价格: ¥2,800
  • 规格:
  • 数量:
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产品介绍 评论(0)

产品规格
  • 抗原名称

    TNF-α
  • 免疫原

    Recombinant Protein
  • 抗体类型

    Recombinant mAb
  • 反应种属 ?

    Hu
  • 纯化方式

    Protein A
  • 储存条件

    2 to 8 °C as supplied.

  • 稀释度

    [{"application": "ELISA", "dilution": "", "species": ""}, {"application": "Sandwich ELISA", "dilution": "", "species": ""}, {"application": "CLIA", "dilution": "", "species": ""}, {"application": "Lateral Flow", "dilution": "", "species": ""}, {"application": "Dot Blot", "dilution": "", "species": ""}, {"application": "WB", "dilution": "", "species": ""}, {"application": "IP", "dilution": "", "species": ""}, {"application": "IHC-P", "dilution": "", "species": ""}, {"application": "ICC", "dilution": "", "species": ""}, {"application": "IF", "dilution": "", "species": ""}, {"application": "ICFCM", "dilution": "", "species": ""}, {"application": "FCM", "dilution": "", "species": ""}, {"application": "mIHC", "dilution": "", "species": ""}]
试剂盒参数
    • Precision

      Intra-assay: 6.8%;

      Inter-assay: 8.9%

    • Sample type

      Cell culture supernatant, Serum, Plasm
    • Assay type

      Sandwich (quantitative)
    • Sensitivity

      8.763 pg/ml
    • Range

      21.9 pg/mL – 1404.6 pg/mL
    • Recovery

      Cell culture supernatant: 95%
      Serum: 103%
      Plasm: 108%
    • Assay time

      60 minutes
    • Species reactivity

      Human
    • NIBSC convert

      The dose response curve of the International Standard (12/154) parallels the OneStep standard curve. To convert sample values obtained with the kit to approximate NIBSC (12/154) units, use the following equation: NIBSC (12/154) approximate value (IU/mL) = 0.43 x OneStep Human TNF-α value (pg/mL).
背景介绍
  • TNF alpha is produced by various types of cells including macrophages, monocytes, neutrophils, T cells, and NK-cells. TNF-alpha is critical for normal immune response, abnormal secretion TNF alpha activates synovial fibroblasts, keratinocytes, osteoclasts, induces rheumatoid arthritis, inflammatory bowel disease, psoriatic arthritis (PsA), and noninfectious uveitis (NIU). TNF alpha positively regulates endogenous TNF-α expression levels independently of Pgp efflux activity, induces IHF cells proliferation. TNF alpha in tissues may promote cancer growth, invasion, and metastasis. Besides, TNF alpha stimulates NF-κB pathway via TNFR2 and anti-TNF-α MAb significantly suppresses the tumor development in colitis-associated cancer (CAC) mouse. TNF alpha as a proneurogenic factor activates the SAPK/JNK pathway and can facilitate neuronal replacement and brain repair in response to brain injury.

  • ELISA

    • Standard curve
      Example of Human TNF-α standard curve in Assay Diluent #1.

    • Linearity
      The concentrations of TNF-α were measured and interpolated from the target standard curves and corrected for sample dilution.
      Sample is undiluted samples are as follows:  human PBMC cells stimulated with 10ng/ml PMA and 500ng/mL lonomycin Calcium Salt for 24 hours (25%). The interpolated dilution factor corrected values are plotted. The mean target concentration was determined to be 13.99 ng/mL in stimulated human PBMC supernatant.

    • Protocol Diagram

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