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中文名称:人糖类抗原19-9(CA19-9)酶联免疫试剂盒
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货号:CSB-E04773h
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规格:96T/48T
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价格:¥3600/¥2500
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其他:
产品详情
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产品描述:人糖类抗原19-9(CA19-9)酶联免疫试剂盒(CSB-E04773h)为双抗夹心法ELISA试剂盒,定量检测血清、血浆样本中的CA19-9含量。CA19-9是一种肿瘤相关碳水化合物抗原,是临床常用的肿瘤标志物。其背景在于可作为胰腺癌、胆管癌等消化系统恶性肿瘤的辅助诊断指标。研究机制方面,主要是检测血清中CA19-9水平,当患有相关癌症时其含量可能异常升高。试剂盒检测范围为10 U/mL-150 U/mL,灵敏度为3.8 U/mL。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本品仅用于科研,不用于临床诊断,产品具体参数及操作步骤详见产品说明书。
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别名:CA199
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缩写:CA19-9
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种属:Homo sapiens (Human)
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样本类型:serum, plasma
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检测范围:10 U/mL-150 U/mL
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灵敏度:3.8 U/mL
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反应时间:1-5h
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样本体积:50-100ul
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检测波长:450 nm
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研究领域:Cancer
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测定原理:quantitative
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测定方法:Sandwich
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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.
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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
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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
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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
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数据处理:
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货期:3-5 working days
引用文献
- Near-infrared photothermal immunoassay for pancreatic cancer biomarker CA 19-9 on a digital thermometer Xianlin Han, et al,Analytica Chimica Acta,2019
- Potential role of HE4 in multimodal screening for epithelial ovarian cancer. Urban N.et al,J Natl Cancer Inst.,2015
- Significance of KRAS, NRAS, BRAF and PIK3CA mutations in metastatic colorectal cancer patients receiving Bevacizumab: a single institution experience Baltru拧kevi?ien? E.et al,Acta medica Lituanica,2016
靶点详情
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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。
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