荧光共振能量转移（FRET）技术是一种药物研发领域流行的领先技术。它利用了两种荧光基团的能量转移，这两种荧光基团分别称为（能量）供体和（能量）受体。供体被外来能源激发（例如闪光灯或激光），如果它与受体在足够近的距离之内，可以将能量共振转移到受体上。受体受到激发，发出特定波长的发射光。将供体和受体分别与相互作用的两个生物分子结合，生物分子的结合可以将受体和供体拉到足够近的距离，产生能量转移。由于受体分子的发射光来自于能量转移，所以在实验中不需要将未结合与已结合的分子分开，即不需要洗涤步骤。这种均相的实验方式操作简单，减少了实验时间和花费。

Genscript 公司FRET试剂盒使用了铕（Eu）螯合物作为荧光供体基团，GS665作为荧光受体染料。与普通FRET实验中使用的传统快速荧光基团相比，具有更大的 斯托克位移和更长的发射半衰期（从微秒到毫秒）。该试剂盒可以被广泛应用于细胞实验和生化实验，并应用于药物研发的不同阶段。

-FRET试剂盒产品优势

• 使用市售质量最佳的THE^TM系列金牌抗体，无须担心灵敏度以及非特异性；
• 不含氟化钾，安全无毒、简便易用；
• 试剂盒与抗体可分别购买，增加实验灵活性；
• 实验稳定，均相检测，无须洗板，节省时间，可灵活使用96或384孔板。

• LanPower^TM Human IL-8 Detection Kit

  Kit Description

  
  Interleukin-8 (IL-8) is a proinflammatory neutrophil chemotactic cytokine that signals through the CXCR1 and CXCR2 receptor. It primarily mediates the activation and migration of neutrophils from peripheral blood to sites of inflammation, injury, or infection in e tissue. IL-8 is involved in a wide variety of physiological and pathological processes including host defense against bacterial infection, bronchiolitis, arteriosclerosis, autoimmune disorders of the skin, and angiogenesis-dependent disorders such as tumor growth and wound repair. IL-8 is secreted by stimulated monocytes, leukocytes, somatic cells and tumor cells. 
  
  The Human IL-8 Detection Kit is a Sandwich Immunoassay based on time resolved-fluorescence resonance energy transfer (TR-FRET) technology using europium chelate tagged Anti-IL-8 B and GS665 labeled Anti-IL-8 A. The Kit can be used to quantify the relative amount of Human IL-8. 
  

  Key Features

• Accurate and sensitive method: Target IL-8 protein can be detected down to 20 pg/ml.
• Larger detection range: 31.25-2000 pg/ml.
• Safer: No potassium fluoride is needed.
• Easy operation: No washing plate procedure.
• Test Samples: cell culture supernatant adaptation.
• Lot-to-lot consistency guaranteed by strict procedure. 
  

  Kit Contents

  
  The kit provides all components necessary for human IL-8 quantification. Sufficient materials are provided to yield 1000(Cat No.: L00453-1K) or 20000(Cat No.: L00453-20K) tests for 384-well low volume plate.

  Components	Quantity	Forms
  IL-8 Antibody [Eu]	1 vial	Lyophilized
  IL-8 Antibody [GS665]	1 vial	Lyophilized
  IL-8 Calibrator Stock	1 vial	Lyophilized
  Assay Buffer	1 bottle	Solution

  Storage

  
  All kit reagents should be stored at 4-8℃ before reconstitution. The kit reagents will remain stable for at least 12 months when stored at the required temperature.
  Once reconstituted, all stock solutions should be aliquoted and stored at -20℃ for long-term storage. The stock solutions of IL-8 Antibody [Eu] and IL-8 Antibody [GS665] will be stable for 7 days at 4-8℃.
  All aliquoted reagents should avoid repeated freeze-thaw cycles.