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Human carbonhydrate antigen 19-9 (CA19-9) ELISA kit

  • 中文名称:
    人糖类抗原19-9(CA19-9)酶联免疫试剂盒
  • 货号:
    CSB-E04773h
  • 规格:
    96T/48T
  • 价格:
    ¥3600/¥2500
  • 其他:

产品详情

  • 产品描述:
    CUSABIO糖类抗原19-9(CA19-9)定量检测试剂盒,采用双抗体夹心法原理,专为血清或血浆样本的科研分析设计。CA19-9是一种与粘蛋白相关的唾液酸化Lewis血型抗原,在胰腺癌、结直肠癌等消化道肿瘤中常呈现显著高表达,其水平变化可作为相关疾病研究的生物学标志物。本试剂盒检测范围覆盖10-150 U/mL,通过预包被特异性抗体的96孔板捕获样本中的CA19-9抗原,结合HRP标记检测抗体形成复合物,经TMB显色后测定吸光度值实现定量分析。试剂盒包含标准品、检测抗体、显色液及终止液等完整组分,标准曲线R²值>0.99,实验全程约需4小时完成,建议样本采集后离心去除颗粒物,避免反复冻融以维持抗原稳定性。该产品适用于体外培养模型、动物实验或临床前研究中CA19-9表达水平的动态监测,可用于肿瘤机制探索、药物疗效评估或生物标志物相关性分析等科研场景,实验结果需结合其他指标进行综合解读。
  • 别名:
    CA199
  • 缩写:
    CA19-9
  • 种属:
    Homo sapiens (Human)
  • 样本类型:
    serum, plasma
  • 检测范围:
    10 U/mL-150 U/mL
  • 灵敏度:
    3.8 U/mL
  • 反应时间:
    1-5h
  • 样本体积:
    50-100ul
  • 检测波长:
    450 nm
  • 研究领域:
    Cancer
  • 测定原理:
    quantitative
  • 测定方法:
    Sandwich
  • 精密度:

    Intra-assay Precision (Precision within an assay): CV%<15%

    Three samples of known concentration were tested twenty times on one plate to assess.

    Inter-assay Precision (Precision between assays): CV%<20%

    Three samples of known concentration were tested in twenty assays to assess.

  • 线性度:

    To assess the linearity of the assay, samples were spiked with high concentrations of human CA19-9 in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.

     

    Sample

    Serum(n=4)

    1:1

    Average %

    96

    Range %

    90-110

    1:2

    Average %

    89

    Range %

    85-99

    1:4

    Average %

    93

    Range %

    87-101

    1:8

    Average %

    95

    Range %

    89-98

  • 回收率:

    The recovery of human CA19-9 spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay as directed in the Sample Preparation section.

    Sample Type

    Average % Recovery

    Range

    Serum (n=5)

    97

    93-100

    EDTA plasma (n=4)

    97

    90-101

  • 标准曲线:

    These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.

    U/ml

    OD1

    OD2

    Average

     

    150

    2.045

    2.011

    2.028

     

    100

    1.292

    1.300

    1.296

     

    40

    0.728

    0.735

    0.732

     

    10

    0.304

    0.306

    0.305

     

  • 数据处理:
  • 货期:
    3-5 working days

产品评价

靶点详情

  • 最新研究进展:
    CA19-9是一种被广泛用于胰腺癌诊断和监测的糖蛋白。最近的研究表明,CA19-9可能有助于肝癌的诊断和治疗。一项研究发现,CA19-9阳性的肝癌患者具有较高的肝癌特异性死亡率,这表明CA19-9可能是一种对肝癌患者预后具有潜在价值的生物标志物。此外,一些研究还发现,CA19-9的水平可以在肝癌治疗过程中用于评估治疗反应。