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Prekallikrein ELISA Kit

PK Reactivity: Human Colorimetric Sandwich ELISA 1.56 ng/mL - 100 ng/mL Plasma
Catalog No. ABIN5658005
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    Prekallikrein (PK)
    Reactivity
    • 2
    • 1
    Human
    Detection Method
    Colorimetric
    Method Type
    Sandwich ELISA
    Detection Range
    1.56 ng/mL - 100 ng/mL
    Minimum Detection Limit
    1.56 ng/mL
    Application
    ELISA
    Sample Type
    Plasma
    Analytical Method
    Quantitative
    Specificity
    This assay has high sensitivity and excellent specificity for detection of Prekallikrein (PK). No significant cross-reactivity or interference between Prekallikrein (PK) and analogues was observed.
    Sensitivity
    0.66 ng/mL
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  • Comment

    The stability of kit is determined by the loss rate of activity. The loss rate of this kit is less than 5 % within the expiration date under appropriate storage condition. To minimize extra influence on the performance, operation procedures and lab conditions, especially room temperature, air humidity, incubator temperature should be strictly controlled. It is also strongly suggested that the whole assay is performed by the same operator from the beginning to the end.

    Assay Time
    3 h
    Plate
    Pre-coated
    Protocol
    The test principle applied in this kit is Sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre-coated with an antibody specific to Prekallikrein (PK). Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody specific to Prekallikrein (PK). Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those wells that contain Prekallikrein (PK), biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of Prekallikrein (PK) in the samples is then determined by comparing the O.D. of the samples to the standard curve.
    Assay Precision
    Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Prekallikrein (PK) were tested 20 times on one plate, respectively
    Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Prekallikrein (PK) were tested on 3 different plates, 8 replicates in each plate. CV(%) = SD/meanX100
    Intra-Assay: CV<10%
    Inter-Assay: CV<12%
    Restrictions
    For Research Use only
  • Handling Advice
    The Stop Solution is acidic. Do not allow to contact skin or eyes. Calibrators, controls and specimen samples should be assayed in duplicate. Once the procedure has been started, all steps should be completed without interruption.
    Storage
    4 °C,-20 °C
    Storage Comment
    -20°C. Bring all reagents to room temperature before beginning test. The kit may be stored at 4°C for immediate use within two days upon arrival. Reseal any unused strips with desiccant pack. Minimize freeze/thaw cycles.
    Expiry Date
    4-8 months
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    Prekallikrein (PK)
    Alternative Name
    Prekallikrein (PK Products)
    Synonyms
    APS ELISA Kit, KLK2A1 ELISA Kit, PSA ELISA Kit, hK3 ELISA Kit, kallikrein related peptidase 3 ELISA Kit, KLK3 ELISA Kit
    Background

    Gene Name: Prekallikrein

    Gene Aliases: KLKB1, KLK3, Fletcher Factor, Kallikrein B,Plasma, Kininogenin, Plasma prekallikrein

    Gene ID
    3818
    UniProt
    P03952
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