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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。

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27,079 results

rT3 ELISA 试剂盒
rT3 适用: Various Species Colorimetric Competition ELISA 74.07 pg/mL - 6000 pg/mL Plasma, Serum
Pubmed 2 references
产品编号 ABIN6574102
96 tests (More quantities available)
发货至: 中国
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Tetrahydrobiopterin (BH4) ELISA 试剂盒
适用: Various Species Colorimetric Competition ELISA 391 pg/mL - 100000 pg/mL Cell Culture Supernatant, Cell Lysate, Plasma, Serum, Tissue Homogenate
Pubmed 2 references
产品编号 ABIN6957559
96 tests (More quantities available)
发货至: 中国
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Testosterone ELISA 试剂盒
适用: 大鼠 Colorimetric Competition ELISA 0.13-25.6 ng/mL Cell Culture Supernatant, Plasma, Serum, Tissue Homogenate
Pubmed 29 references
产品编号 ABIN365714
96 tests (More quantities available)
发货至: 中国
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T3, T4, TSH ELISA 试剂盒
适用: 人 Colorimetric Competition ELISA Plasma, Serum
Pubmed 2 references
产品编号 ABIN2773773
192 tests
发货至: 中国
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8-OHDG ELISA 试剂盒
8-OHDG 适用: 化学剂 Colorimetric Competition ELISA 0.125-10 ng/mL Cell Culture Lysate, Serum, Urine
Pubmed 88 references
产品编号 ABIN1020373
96 tests
发货至: 中国
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Leptin ELISA 试剂盒
LEP 适用: 兔 Colorimetric Competition ELISA 15.6 pg/mL - 1000 pg/mL Plasma, Serum, Tissue Homogenate
Pubmed 1 reference
产品编号 ABIN6974601
96 tests (More quantities available)
发货至: 中国
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IgA ELISA 试剂盒
适用: Cow Colorimetric Competition ELISA 0.39 μg/mL - 25 μg/mL Cell Culture Supernatant, Plasma, Serum, Tissue Homogenate
Pubmed 1 reference
产品编号 ABIN6973905
96 tests (More quantities available)
发货至: 中国
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Apo-B100 ELISA 试剂盒
Apo-B100 适用: 人 Colorimetric Competition ELISA 78 ng/mL - 5000 ng/mL Cell Culture Supernatant, Plasma, Saliva, Serum, Urine
Pubmed 2 references
产品编号 ABIN6976150
96 tests (More quantities available)
发货至: 中国
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Abscisic Acid ELISA 试剂盒
ABA 适用: 植物 Colorimetric Competition ELISA 0.156 μg/mL - 10 μg/mL Plant Tissue
Pubmed 4 references
产品编号 ABIN6973585
96 tests (More quantities available)
发货至: 中国
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Albumin ELISA 试剂盒
ALB 适用: 人 Colorimetric Competition ELISA 246.9 ng/mL - 20000 ng/mL Cell Culture Supernatant, Cell Lysate, Plasma, Serum, Tissue Homogenate
Pubmed 1 reference
产品编号 ABIN6953577
96 tests (More quantities available)
发货至: 中国
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  • 类型 Kit
    • Kit
  • 抗原
    • Testosterone
    • Albumin (ALB)
    • Cortisol
    • Progesterone
    • FSH
    • Thyroxine T4 (T4)
    • Triiodothyronine T3 (T3)
    • Growth Hormone 1 (GH1)
    • Amylin/DAP (IAPP)
    • Luteinizing Hormone (LH)
    • AMBP
    • ACP5
    • ACTH
    • CRH
    • Ghrelin (GHRL)
    • Angiotensin II Type-1 Receptor (AGTR1)
    • E2 Estradiol
    • Insulin (INS)
    • beta Endorphin (beta-EP)
    • APOB
    • CTX-I
    • Estradiol
    • GNRH1
    • NPY
    • AGT
    • FAM3B
    • PACAP (ADCYAP1)
    • Chromogranin A (CHGA)
    • MUC1
    • SNCA
    • Serotonin (5-HT)
    • Adrenomedullin (ADM)
    • ALPL
    • Androgen Receptor (AR)
    • Cholecystokinin (CCK)
    • HbA1c
    • Prolactin (PRL)
    • Thromboxane B2 (TXB2)
    • Vitamin A
    • AMH
    • APOE
    • ALOX5
    • C-Peptide
    • Corticosterone (CORT)
    • Dihydrotestosterone (DHT)
    • ELANE
    • NPPA
    • Neurotrophin 4 (NTF4)
    • Peptide YY (PYY)
    • Prostaglandin F2alpha
    Please use search to find more...
  • 应用范围 ELISA
    • ELISA
    • Colloidal Gold Immunochromatography Assay (GICA)
  • 适用
    • Human
    • Mouse
    • Rat
    • Rabbit
    • Dog
    • Guinea Pig
    • Monkey
    • Sheep
    • Cow
    • Goat
    • Chicken
    • Pig
    • Various Species
    • Chemical
    • Horse
    • Fish
    • Hormone
    • Mammalian
    • Others
    • Rhesus Monkey
    • Duck
    • Plant
    • Borrelia burgdorferi
    • Hamster
    • Bacteria
    • Epstein-Barr Virus (EBV)
    • Grouper (Epinephelinae)
    • Measles Virus
    • Mumps Virus
    • Orientia tsutsugamushi
    • Peanut
    • Salmon
    • Varicella Zoster Virus (VZV)
    • Arabidopsis
    • Camel
    • Corynebacterium diphtheriae
    • Cyanobacteria (Nostoc)
    • Deer
    • Red pepper
    • Rodents
    • Tag
    • Tomato
    • Toxoplasma gondii
    • Treponema pallidum
    • Zebrafish (Danio rerio)
  • 论文引用
  • 图像
  • 独立验证
  • 实验类型 Competition ELISA
    • Competition ELISA
    • Sandwich ELISA
    • Cell ELISA
    • DNA-Binding ELISA
    • Indirect ELISA
    • Bridging ELISA
  • Analytical Method
    • Quantitative
    • Qualitative
    • Semi-Quantitative
    • Qualitative and Semi-Quantitative
  • 检测方法
    • Colorimetric
    • Chemiluminescent
    • Fluorometric, Colorimetric
  • Plate
    • Pre-coated
    • Strips (12 x 8)
    • Pre-coated,Strips (12 x 8)
    • Uncoated
    • Strips
  • 抗原表位
    • phosphorylated
    • Soluble
    • Nuclear
    • phosphospecific
    • Whole Molecule
    • free
    • C-Term
    • Arg1
    • N-Term
    • total
    • Precursor
    • AA 85-116
    • Regulatory Subunit 1
    • Regulatory Subunit 10
    • Light Chain
    • Regulatory Subunit 12
    • Regulatory Subunit 13
    • Regulatory Subunit 2
    • Chain kappa
    • Chain lambda
    • Fc Region
    • N-Term Kinases/stress-activated Protein Kinase
    • pSer880
    • pThr180
    • pTyr182
  • 标记
    • 非结合性
  • 样本
    • Serum
    • Plasma
    • Tissue Homogenate
    • Cell Culture Supernatant
    • Cell Lysate
    • Urine
    • Saliva
    • Cell Culture Cells
    • Milk
    • Tissue Samples
    • Biological Agents
    • Cerebrospinal Fluid
    • Red Blood Cell Lysate
    • Plant Tissue
    • Cell Samples
    • Biological Fluids
    • Erythrocyte Lysates
    • Food
    • Feed
    • Beverages
    • Cell Culture Lysate
    • Edible oil
    • Red Blood Cells
    • Tissue Culture Medium
    • Tissue Lysate
    • Vinegar
    • Cell Culture Samples
    • Cereals
    • Egg white
    • Grains
    • Liver
    • Plasma (EDTA)
    • Plasma (citrate)
    • Plasma (heparin)
    • Platelet-Poor Plasma
    • Cell-free Extracts
    • Egg
    • Fecal
    • Juice
    • Muscle
    • Peanut
    • Water
  • Grade
    • QuickTest
    • Small Sample
    • High Sensitivity
    • Wide Range
    • Instant
  • Supplier
    • Blue Gene
    • antibodies-online
    • Signalway
    • USBio
    • CUSABIO
    • Abbexa
    • Abnova
    • DLDEVELOP
    • Wuhan Fine biotech
    • Calbiotech
    • Elabscience
    • RayBiotech
    • Diagnostic Automation
    • EIAab
    • Kamiya Biomedicals
    • Biomatik
    • Monobind
    • Assaypro
    • Cell Biolabs
    • CellTrend
    • Cloud-Clone
    • Detroit R and D
    • Epitope Diagnostics
    • Eurogentec
    • ACROBiosystems
    • Ethos Biosciences
    • Japan Institute for the Control of Aging, NIKKEN SEIL Co., Ltd
    • Adipogen
    • GenScript
    • Arbor Assays
    • Biomedica Medizinprodukte
    • VIDIA
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