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FGF2 ELISA 试剂盒

FGF2 适用: 人 Colorimetric Sandwich ELISA Cell Lysate, Tissue Lysate
产品编号 ABIN624948
发货至: 中国
  • 抗原 See all FGF2 ELISA试剂盒
    FGF2 (Fibroblast Growth Factor 2 (Basic) (FGF2))
    适用
    • 9
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    检测方法
    Colorimetric
    实验类型
    Sandwich ELISA
    应用范围
    ELISA
    原理
    Human bFGF ELISA Kit for cell and tissue lysate samples.
    样品类型
    Tissue Lysate, Cell Lysate
    Analytical Method
    Quantitative
    特异性
    The antibody pair provided in this kit recognizes human bFGF.
    灵敏度
    50 pg/mL
    产品特性
    • Strip plates and additional reagents allow for use in multiple experiments
    • Quantitative protein detection
    • Establishes normal range
    • The best products for confirmation of antibody array data
    组件
    • Pre-Coated 96-well Strip Microplate
    • Wash Buffer
    • Stop Solution
    • Assay Diluent(s)
    • Lyophilized Standard
    • Biotinylated Detection Antibody
    • Streptavidin-Conjugated HRP
    • TMB One-Step Substrate
    试剂未包括
    • Distilled or deionized water
    • Precision pipettes to deliver 2 μL to 1 μL volumes
    • Adjustable 1-25 μL pipettes for reagent preparation
    • 100 μL and 1 liter graduated cylinders
    • Tubes to prepare standard and sample dilutions
    • Absorbent paper
    • Microplate reader capable of measuring absorbance at 450nm
    • Log-log graph paper or computer and software for ELISA data analysis
    • Cell lysate buffer
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  • 样本量
    100 μL
    板类型
    Pre-coated
    实验流程
    1. Prepare all reagents, samples and standards as instructed in the manual.
    2. Add 100 μL of standard or sample to each well.
    3. Incubate 2.5 h at RT or O/N at 4 °C.
    4. Add 100 μL of prepared biotin antibody to each well.
    5. Incubate 1 h at RT.
    6. Add 100 μL of prepared Streptavidin solution to each well.
    7. Incubate 45 min at RT.
    8. Add 100 μL of TMB One-Step Substrate Reagent to each well.
    9. Incubate 30 min at RT.
    10. Add 50 μL of Stop Solution to each well.
    11. Read at 450 nm immediately.
    试剂准备
    1. Bring all reagents and samples to room temperature (18 - 25 °C) before use.
      2. Sample dilution: Tissue lysate and cell lysate sample should be diluted at least 5-fold with 1x Sample Diluent Buffer.
      3. Sample Diluent Buffer (Item D) and Assay Diluent (Item E) should be diluted 5-fold with deionized or distilled water before use.
      4. Preparation of standard: Briefly spin the vial of Item C. Add 400 µL 1x Sample Diluent Buffer (Item D) into Item C vial to prepare a 100 ng/mL standard. Dissolve the powder thoroughly by a gentle mix. Add 100 µL bFGF standard from the vial of Item C, into a tube with 900 µL Sample Diluent Buffer to prepare a 10,000 pg/mL stock standard solution. Pipette 300 µL 1x Sample Diluent Buffer into each tube. Use the stock standard solution to produce a dilution series . Mix each tube thoroughly before the next transfer. 1x Sample Diluent Buffer serves as the zero standard (0 pg/mL). 200 µL 200myl 200 µL 200 µL 100 µL standard + 900 µL 200 µL 10,000 4,000 1,600 640 256 102.4 0 pg/mL pg/mL pg/mL pg/mL pg/mL pg/mL pg/mL
      5. If the Wash Concentrate (20x) (Item B) contains visible crystals, warm to room temperature and mix gently until dissolved. Dilute 20 ml of Wash Buffer Concentrate into deionized or distilled water to yield 400 ml of 1x Wash Buffer.
      6. Briefly spin the Detection Antibody vial (Item F) before use. Add 100 µL of 1x Assay Diuent into the vial to prepare a detection antibody concentrate. Pipette up and down to mix gently (the concentrate can be stored at 4 °C for 5 days). The detection antibody concentrate should be diluted 65-fold with 1x Assay Diuent and used in step 4 of Part VI Assay Procedure.
      7. Briefly spin the HRP-Streptavidin concentrate vial (Item G) and pipette up and down to mix gently before use. HRP-Streptavidin concentrate should be diluted 120-fold with 1x Assay Diuent. For example: Briefly spin the vial (Item G) and pipette up and down to mix gently . Add 100 µL of HRP-Streptavidin concentrate into a tube with 12 ml 1x Assay Diluent to prepare a 120-fold diluted HRP-Streptavidin solution (don't store the diluted solution for next day use). Mix well.
      8. Cell lysate buffer should be diluted 2-fold with deionized or distilled water before use (for cell lysate and tissue lysate).
    实验流程
    1. Bring all reagents and samples to room temperature (18 - 25 °C) before use. It is recommended that all standards and samples be run at least in duplicate.
      2. Add 100 µL of each standard (see Reagent Preparation step 2) and sample into appropriate wells. Cover well and incubate for 2.5 hours at room temperature or over night at 4 °C with gentle shaking. We recommend using 50-500 myg/mL of total protein for lysate sample. The amount of sample used depends on the abundance of target protein. More of the sample can be used if signals are too weak. If signals are too strong, the sample can be diluted further.
      3. Discard the solution and wash 4 times with 1x Wash Solution. Wash by filling each well with Wash Buffer (300 myl) using a multi-channel Pipette or autowasher. Complete removal of liquid at each step is essential to good performance. After the last wash, remove any remaining Wash Buffer by aspirating or decanting. Invert the plate and blot it against clean paper towels.
      4. Add 100 µL of 1x prepared biotinylated antibody (Reagent Preparation step 6) to each well. Incubate for 1 hour at room temperature with gentle shaking.
      5. Discard the solution. Repeat the wash as in step
      6. Add 100 µL of prepared Streptavidin solution (see Reagent Preparation step 7) to each well. Incubate for 45 minutes at room temperature with gentle shaking.
      7. Discard the solution. Repeat the wash as in step
      8. Add 100 µL of TMB One-Step Substrate Reagent (Item H) to each well. Incubate for 30 minutes at room temperature in the dark with gentle shaking.
      9. Add 50 µL of Stop Solution (Item I) to each well. Read at 450 nm immediately.
    结果分析

    Calculate the mean absorbance for each set of duplicate standards, controls and samples, and subtract the average zero standard optical density. Plot the standard curve on log-log graph paper or using Sigma plot software, with standard concentration on the x-axis and absorbance on the y-axis. Draw the best-fit straight line through the standard points.
    Typical Data: These standard curves are for demonstration only. A standard curve must be run with each assay. Sample Diluent Buffer Human bFGF concentration (pg/mL) O D =4 50 n m 0.001 0.01 0.1 1 10 10 100 1,000 10,000
    Sensitivity: The minimum detectable dose of bFGF is typically less than 50 pg/mL.
    Recovery: Recovery was determined by spiking various levels of human bFGF into human tissue lysate and cell lysate. Mean recoveries are as follows: Sample Type Average % Recovery Range ( %) Tissue lysate 95.87 86-107 Cell lysate 97.65 87-108
    Linearity: Sample Type Tissue Cell Lysate lysate 1:2 Average % of 97 97 Expected Range ( %) 89-107 89-107 1:4 Average % of 96 95 Expected Range ( %) 88-106 89-107
    Reproducibility: Intra-Assay: CV<10 % Inter-Assay: CV<12 %

    实验精密度
    Intra-Assay: CV< 10 % Inter-Assay: CV< 12 %
    限制
    仅限研究用
  • 注意事项
    Avoid repeated freeze-thaw cycles.
    储存条件
    -20 °C
    储存方法
    The entire kit may be stored at -20°C for up to 1 year from the date of shipment. Avoid repeated freeze-thaw cycles. The kit may be stored at 4°C for up to 6 months. For extended storage, it is recommended to store at -80°C.
    有效期
    6 months
  • Baird, Klagsbrun: "The fibroblast growth factor family." in: Cancer cells (Cold Spring Harbor, N.Y. : 1989), Vol. 3, Issue 6, pp. 239-43, (1991) (PubMed).

    Burgess, Maciag: "The heparin-binding (fibroblast) growth factor family of proteins." in: Annual review of biochemistry, Vol. 58, pp. 575-606, (1989) (PubMed).

  • 抗原 See all FGF2 ELISA试剂盒
    FGF2 (Fibroblast Growth Factor 2 (Basic) (FGF2))
    别名
    bFGF (FGF2 产品)
    别名
    BFGF ELISA Kit, FGF-2 ELISA Kit, FGFB ELISA Kit, HBGF-2 ELISA Kit, Fgf-2 ELISA Kit, Fgfb ELISA Kit, bFGF ELISA Kit, fibroblast growth factor 2 ELISA Kit, fibroblast growth factor 2 (basic) ELISA Kit, FGF2 ELISA Kit, Fgf2 ELISA Kit, fgf2 ELISA Kit
    背景
    BFGF (basic fibroblast growth factor) is found in almost all tissues of mesodermal and neuroectodermal origin and also in tumors derived from these tissues. Endothelial cells produce large amounts of this factor. Some bFGF is associated with the extracellular matrix of the subendothelial cells. bFGF is an 18 kDa protein with a length of 155 amino acids and an isoelectric point of 9.6. It does not contain disulfide bonds and is not glycosylated. bFGF stimulates the growth of fibroblasts, myoblasts, osteoblasts, neuronal cells, endothelial cells, keratinocytes, chondrocytes, and many other cell types. bFGF has been shown to be a promoting or inhibitory modulator of cellular differentiation also for other cell types. bFGF is not only a mitogen for chondrocytes but also inhibits their terminal differentiation. The Human bFGF ELISA (Enzyme-Linked Immunosorbent Assay) kit is an in vitro enzyme-linked immunosorbent assay for the quantitative measurement of human bFGF cell lysate and tissue lysate. This assay employs an antibody specific for human bFGF coated on a 96-well plate. Standards and samples are pipetted into the wells and bFGF present in a sample is bound to the wells by the immobilized antibody. The wells are washed and biotinylated anti-human bFGF antibody is added. After washing away unbound biotinylated antibody, HRP-conjugated streptavidin is pipetted to the wells. The wells are again washed, a TMB substrate solution is added to the wells and color develops in proportion to the amount of bFGF bound. The Stop Solution changes the color from blue to yellow, and the intensity of the color is measured at 450 nm. Reproducibility: Intra-Assay: CV<10% Inter-Assay: CV<12%.
    基因ID
    2247
    UniProt
    P09038
    途径
    RTK signaling, Fc-epsilon Receptor Signaling Pathway, EGFR Signaling Pathway, Neurotrophin Signaling Pathway, C21-Steroid Hormone Metabolic Process, Inositol Metabolic Process, Glycosaminoglycan Metabolic Process, Protein targeting to Nucleus, S100 Proteins
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