Competitive ELISA
用于多种样本类型中小分子、肽类和激素定量检测的竞争性ELISA。 在竞争性ELISA中,信号强度与抗原浓度呈反比关系:分析物浓度越高,检测信号越低。
该方法基于样本中抗原与包被在酶标板上的抗原之间对有限抗体的竞争结合。首先将未标记的一抗与样本共同孵育,然后将混合物加入预包被相同抗原的孔中。样本中抗原含量越高,可用于结合板上抗原的抗体就越少。
洗涤后加入与一抗特异结合的酶标二抗,并加入底物显色或产生荧光信号。最终信号随抗原浓度增加而降低。
当无法获得合适的抗体配对,或目标分子过小无法同时结合捕获抗体和检测抗体时,竞争性ELISA是理想选择。 因此该方法常用于小分子、肽类以及部分激素的检测。
antibodies-online 提供覆盖数千种靶点的竞争性ELISA试剂盒,适用于多种种属和样本类型。您可以使用下方搜索工具或联系我们的技术支持团队,快速找到适合您实验需求的产品。
精选竞争性ELISA试剂盒
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TOR2A
适用: 人
Colorimetric
Competition ELISA
4.94 pg/mL - 400 pg/mL
Plasma, Serum
12 references
产品编号 ABIN6959257
96 tests
(More quantities available)
获取报价
GLP-1
适用: 人, 小鼠, 大鼠, 犬, Cow, 兔
Colorimetric
Competition ELISA
12.35 pg/mL - 1000 pg/mL
Plasma, Serum
14 references
产品编号 ABIN6956106
96 tests
(More quantities available)
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FSH
适用: 大鼠
Colorimetric
Competition ELISA
2.47 ng/mL - 200 ng/mL
Plasma, Serum
22 references
产品编号 ABIN6955959
96 tests
(More quantities available)
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HA
适用: Various Species
Colorimetric
Competition ELISA
4.94 ng/mL - 400 ng/mL
Cell Culture Supernatant, Cell Lysate, Plasma, Serum, Tissue Homogenate
11 references
产品编号 ABIN6956616
96 tests
(More quantities available)
获取报价
ALD
适用: Various Species
Colorimetric
Competition ELISA
24.69 pg/mL - 2000 pg/mL
Plasma, Serum
11 references
产品编号 ABIN6953607
96 tests
(More quantities available)
获取报价
Ang II
适用: 大鼠
Colorimetric
Competition ELISA
24.69 pg/mL - 2000 pg/mL
Cell Culture Supernatant, Cell Lysate, Plasma, Serum, Tissue Homogenate
24 references
产品编号 ABIN6953755
96 tests
(More quantities available)
获取报价
Ang II
适用: 小鼠
Colorimetric
Competition ELISA
24.69 pg/mL - 2000 pg/mL
Cell Culture Supernatant, Cell Lysate, Plasma, Serum, Tissue Homogenate
12 references
产品编号 ABIN6953754
96 tests
(More quantities available)
获取报价
Abeta 1-40
适用: 小鼠
Colorimetric
Competition ELISA
12.35 pg/mL - 1000 pg/mL
Cell Culture Supernatant, Cell Lysate, Plasma, Serum, Tissue Homogenate
10 references
产品编号 ABIN6953693
96 tests
(More quantities available)
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CML
适用: Various Species
Colorimetric
Competition ELISA
61.7 ng/mL - 5000 ng/mL
Plasma, Serum
12 references
产品编号 ABIN6954344
96 tests
(More quantities available)
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适用: Various Species
Colorimetric
Competition ELISA
74.07 pg/mL - 6000 pg/mL
Plasma, Serum
13 references
产品编号 ABIN6953378
96 tests
(More quantities available)
获取报价
适用: 小鼠
Colorimetric
Competition ELISA
617.3 pg/mL - 50000 pg/mL
Plasma
12 references
产品编号 ABIN6955283
96 tests
(More quantities available)
获取报价
DA
适用: Various Species
Colorimetric
Competition ELISA
12.35 pg/mL - 1000 pg/mL
Plasma, Serum
14 references
产品编号 ABIN6955440
96 tests
(More quantities available)
获取报价
适用: Various Species
Colorimetric
Competition ELISA
1.23 μg/mL - 100 μg/mL
Cell Culture Supernatant, Cell Lysate, Plasma, Serum, Tissue Homogenate
12 references
产品编号 ABIN6956198
96 tests
(More quantities available)
获取报价
INHA
适用: 人
Colorimetric
Competition ELISA
12.35 pg/mL - 1000 pg/mL
Cell Culture Supernatant, Cell Lysate, Plasma, Serum, Tissue Homogenate
产品编号 ABIN6574076
96 tests
(More quantities available)
获取报价
rT3
适用: Various Species
Colorimetric
Competition ELISA
74.07 pg/mL - 6000 pg/mL
Plasma, Serum
2 references
产品编号 ABIN6574102
96 tests
(More quantities available)
获取报价
CFH
适用: 大鼠
Colorimetric
Competition ELISA
12.35 ng/mL - 1000 ng/mL
Plasma, Serum
产品编号 ABIN6574091
96 tests
(More quantities available)
获取报价
AGE
适用: Various Species
Colorimetric
Competition ELISA
98.8 ng/mL - 8000 ng/mL
Plasma, Serum
23 references
产品编号 ABIN6953551
96 tests
(More quantities available)
获取报价
HAMP
适用: 人
Colorimetric
Competition ELISA
320 pg/mL - 200000 pg/mL
Cell Culture Supernatant, Cell Lysate, Plasma, Serum, Tissue Homogenate
14 references
产品编号 ABIN6956502
96 tests
(More quantities available)
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PGE2
适用: Various Species
Colorimetric
Competition ELISA
31.25 pg/mL - 2000 pg/mL
Cell Culture Supernatant, Plasma, Serum
13 references
产品编号 ABIN6963379
96 tests
(More quantities available)
获取报价
FSH
适用: 小鼠
Colorimetric
Competition ELISA
2.22 ng/mL - 180 ng/mL
Plasma, Serum
15 references
产品编号 ABIN6955956
96 tests
(More quantities available)
获取报价
适用: Various Species
Colorimetric
Competition ELISA
391 pg/mL - 100000 pg/mL
Cell Culture Supernatant, Cell Lysate, Plasma, Serum, Tissue Homogenate
2 references
产品编号 ABIN6957559
96 tests
(More quantities available)
获取报价
IFNG
适用: 小鸡
Colorimetric
Competition ELISA
3.125 pg/mL - 800 pg/mL
Plasma, Serum, Tissue Homogenate
11 references
产品编号 ABIN6975283
96 tests
(More quantities available)
获取报价
适用: 大鼠
Colorimetric
Competition ELISA
0.13-25.6 ng/mL
Cell Culture Supernatant, Plasma, Serum, Tissue Homogenate
29 references
产品编号 ABIN365714
96 tests
(More quantities available)
获取报价
8-OHDG
适用: 化学剂
Colorimetric
Competition ELISA
0.125-10 ng/mL
Cell Culture Lysate, Serum, Urine
88 references
适用: 人
Colorimetric
Competition ELISA
Plasma, Serum
2 references