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Ceruloplasmin ELISA Kit

CP Reactivity: Human Colorimetric Sandwich ELISA 0.156-10 ng/mL Cell Culture Cells, Cerebrospinal Fluid, Milk, Plasma, Saliva, Serum, Urine
Catalog No. ABIN5564618
  • Target See all Ceruloplasmin (CP) ELISA Kits
    Ceruloplasmin (CP) (Ceruloplasmin (Ferroxidase) (CP))
    Reactivity
    • 5
    • 3
    • 2
    • 2
    • 2
    • 1
    • 1
    • 1
    • 1
    • 1
    • 1
    • 1
    • 1
    Human
    Detection Method
    Colorimetric
    Method Type
    Sandwich ELISA
    Detection Range
    0.156-10 ng/mL
    Minimum Detection Limit
    0.156 ng/mL
    Application
    ELISA
    Purpose
    The AssayMax™ Human Ceruloplasmin ELISA (Enzyme-Linked Immunosorbent Assay) kit is designed for detection of ceruloplasmin in human plasma, serum, urine, saliva, milk, CSF, and cell culture samples. This assay employs a quantitative sandwich enzyme immunoassay technique that measures human ceruloplasmin in approximately 4 hours. A polyclonal antibody specific for human ceruloplasmin has been pre-coated onto a 96-well microplate with removable strips. Ceruloplasmin in standards and samples is sandwiched by the immobilized antibody and a biotinylated polyclonal antibody specific for human ceruloplasmin, which is recognized by a streptavidin-peroxidase (SP) conjugate. All unbound material is washed away and a peroxidase enzyme substrate is added. The color development is stopped and the intensity of the color is measured.
    Brand
    AssayMax™
    Sample Type
    Cell Culture Cells, Cerebrospinal Fluid, Milk, Plasma, Saliva, Serum, Urine
    Analytical Method
    Quantitative
    Components
    Human Ceruloplasmin Microplate: A 96-well polystyrene microplate (12 strips of 8 wells) coated with a polyclonal antibody against human ceruloplasmin. Sealing Tapes: Each kit contains 3 precut, pressure sensitive sealing tapes that can be cut to fit the format of the individual assay. Human Ceruloplasmin Standard: Human ceruloplasmin in a buffered protein base (10 ng, lyophilized, 2 vials). Biotinylated Human Ceruloplasmin Antibody (50x): A 50-fold concentrated biotinylated polyclonal antibody against human ceruloplasmin (120 l). MIX Diluent Concentrate (10x): A 10-fold concentrated buffered protein base (30 ml). Wash Buffer Concentrate (20x): A 20-fold concentrated buffered surfactant (30 ml, 2 bottles). SP Conjugate (100x): A 100-fold concentrate (80 l). Chromogen Substrate (1x): A stabilized peroxidase chromogen substrate tetramethylbenzidine (8 ml). Stop Solution (1x): A 0.5 N hydrochloric acid solution to stop the chromogen substrate reaction (12 ml).
    Material not included
    Microplate reader capable of measuring absorbance at 405 nm. Pipettes (1-20 µL, 20-200 µL, and multiple channel). Deionized or distilled reagent grade water Incubator (37 °C)
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  • Plate
    Pre-coated
    Protocol
    • Step 1. Add 50 μL of Standard or Sample per well. Incubate 2 hours.
    • Step 2. Wash, then add 50 μL of Biotinylated Antibody per well. Incubate 1 hour.
    • Step 3. Wash, then add 50 μL of SP Conjugate per well. Incubate 30 minutes.
    • Step 4. Wash, then add 50 μL of Chromogen Substrate per well. Incubate 25 minutes.
    • Step 5. Add 50 μL of Stop Solution per well. Read at 450 nm immediately.
    Reagent Preparation

    Freshly dilute all reagents and bring all reagents to room temperature before use. MIX Diluent Concentrate (10x): If crystals have formed in the concentrate, mix gently until the crystals have completely dissolved. Dilute the MIX Diluent Concentrate 10-fold with reagent grade water to produce a 1x solution. Store for up to 30 days at 2-8 °C. Human Ceruloplasmin Standard: Reconstitute the Human Ceruloplasmin Standard (10 ng) with 1 mL of MIX Diluent to generate a 10 ng/mL standard stock solution. Allow the vial to sit for 10 minutes with gentle agitation prior to making dilutions. Prepare duplicate or triplicate standard points by serially diluting from the standard stock solution (10 ng/mL) 2-fold with equal volume of MIX Diluent to produce 5, 2.5, 1.25, 0.625, 0.313, and 0.156 ng/mL solutions. MIX Diluent serves as the zero standard (0 ng/mL). Any remaining stock solution should be used within 24 hours. Use fresh standard each day. Do not re-freeze. Standard Point Dilution [Ceruloplasmin] (ng/mL) P1 1 part Standard (10 ng/mL) 10.0 P2 1 part P1 + 1 part MIX Diluent 5.0 P3 1 part P2 + 1 part MIX Diluent 2.5 P4 1 part P3 + 1 part MIX Diluent 1.25 P5 1 part P4 + 1 part MIX Diluent 0.625 P6 1 part P5 + 1 part MIX Diluent 0.313 P7 1 part P6 + 1 part MIX Diluent 0.156 P8 MIX Diluent 0.0 5 Biotinylated Human Ceruloplasmin Antibody (50x): Spin down the antibody briefly and dilute the desired amount of the antibody 50-fold with MIX Diluent to produce a 1x solution. The undiluted antibody should be stored at -20 °C. Wash Buffer Concentrate (20x): If crystals have formed in the concentrate, mix gently until the crystals have completely dissolved. Dilute the Wash Buffer Concentrate 20-fold with reagent grade water to produce a 1x solution. SP Conjugate (100x): Spin down the SP Conjugate briefly and dilute the desired amount of the conjugate 100-fold with MIX Diluent to produce a 1x solution. The undiluted conjugate should be stored at -20 °C.

    Sample Collection
    Plasma: Collect plasma using one-tenth volume of 0.1 M sodium citrate as an anticoagulant. Centrifuge samples at 3000 x g for 10 minutes and collect plasma. A 200000-fold sample dilution is suggested into MIX Diluent, however, user should determine optimal dilution factor depending on application needs. The undiluted samples can be stored at -20 °C or below for up to 3 months. Avoid repeated freeze-thaw cycles (EDTA or Heparin can also be used as an anticoagulant). Serum: Samples should be collected into a serum separator tube. After clot formation, centrifuge samples at 3000 x g for 10 minutes and remove serum. A 200000-fold sample dilution is suggested into MIX Diluent, however, user should determine optimal dilution factor depending on application needs. The undiluted samples can be stored at -20 °C or below for up to 3 months. Avoid repeated freeze-thaw cycles. Urine: Collect urine using sample pot. Centrifuge samples at 800 x g for 10 minutes. A 16-fold sample dilution is suggested into MIX Diluent or within the range of 10x - 20x, however, user should determine optimal dilution factor depending on application needs. The undiluted samples can be stored at -20 °C or below for up to 3 months. Avoid repeated freeze-thaw cycles. Saliva: Collect saliva using sample tube. Centrifuge samples at 800 x g for 10 minutes. A 200-fold sample dilution is suggested into MIX Diluent or within the range of 100x - 400x, however, user should determine optimal dilution factor depending on application needs. The undiluted samples can be stored at -20 °C or below for up to 3 months. Avoid repeated freeze-thaw cycles. Milk: Collect milk using sample tube. Centrifuge samples at 800 x g for 10 minutes. A 1000-fold sample dilution is suggested into MIX Diluent or within the range of 500x - 2000x, however, user should determine optimal dilution factor depending on application needs. The undiluted samples can be stored at -20 °C or below for up to 3 months. Avoid repeated freeze-thaw cycles. CSF: Collect cerebrospinal fluid (CSF) using sample pot. Centrifuge samples at 3000 x g for 10 minutes. A 400-fold sample dilution is suggested into MIX Diluent or within the range of 200x - 800x, however, user should determine optimal dilution factor depending on application needs. The undiluted samples can be stored at -80 °C for up to 3 months. Avoid repeated freeze-thaw cycles. Cell Culture Supernatants: Centrifuge cell culture media at 3000 x g for 10 minutes at 4 °C to remove debris and collect supernatants. Samples can be stored at -20 °C or below. Avoid repeated freeze-thaw cycles.
    Assay Procedure

    Prepare all reagents, standard solutions, and samples as instructed. Bring all reagents to room temperature before use. The assay is performed at room temperature (20-25 °C). Remove excess microplate strips from the plate frame and return them immediately to the foil pouch with desiccants inside. Reseal the pouch securely to minimize exposure to water vapor and store in a vacuum desiccator. Add 50 l of Human Ceruloplasmin Standard or sample to each well. Gently tap plate to thoroughly coat the wells. Break any bubbles that may have formed. Cover wells with a sealing tape and incubate for 2 hours. Start the timer after the last addition. Wash five times with 200 l of Wash Buffer manually. Invert the plate each time and decant the contents, hit 4-5 times on absorbent material to completely remove the liquid. If using a machine, wash six times with 300 l of Wash Buffer and then invert the plate, decanting the contents, hit 4-5 times on absorbent material to completely remove the liquid. Add 50 l of Biotinylated Human Ceruloplasmin Antibody to each well. Gently tap plate to thoroughly coat the wells. Break any bubbles that may have formed. Cover wells with a sealing tape and incubate for 1 hour. Wash the microplate as described above. Add 50 l of SP Conjugate to each well. Gently tap plate to thoroughly coat the wells. Break any bubbles that may have formed. Cover wells with a sealing tape and incubate for 30 minutes. Turn on the microplate reader and set up the program in advance. Wash the microplate as described above. Add 50 l of Chromogen Substrate to each well. Gently tap plate to thoroughly coat the wells. Break any bubbles that may have formed. Incubate for 25 minutes or until the optimal blue color density develops. 6 Add 50 l of Stop Solution to each well. The color will change from blue to yellow. Gently tap plate to ensure thorough mixing. Break any bubbles that may have formed. Read the absorbance on a microplate reader at a wavelength of 450 nm immediately. If wavelength correction is available, subtract readings at 570 nm from those at 450 nm to correct optical imperfections. Otherwise, read the plate at 450 nm only. Please note that some unstable black particles may be generated at high concentration points after stopping the reaction for about 10 minutes, which will reduce the readings.

    Calculation of Results
    • Calculate the mean value of the duplicate or triplicate readings for each standard and sample.
    • To generate a standard curve, plot the graph using the standard concentrations on the x-axis and the corresponding mean 450 nm absorbance (OD) on the y-axis. The best-fit line can be determined by regression analysis using log-log or four-parameter logistic curve-fit.
    • Determine the unknown sample concentration from the standard curve and multiply the value by the dilution factor.
    Restrictions
    For Research Use only
  • Handling Advice
    This product is for Research Use Only and is not intended for use in diagnostic procedures. Prepare all reagents (diluent buffer, wash buffer, standard, biotinylated antibody, and SP conjugate) as instructed, prior to running the assay. Prepare all samples prior to running the assay. The dilution factors for the samples are suggested in this insert. However, the user should determine the optimal dilution factor. Spin down the SP conjugate vial and the biotinylated antibody vial before opening and using contents. The Stop Solution is an acidic solution. The kit should not be used beyond the expiration date. 2
    Storage
    4 °C,-20 °C
    Storage Comment
    Upon arrival, immediately store components of the kit at recommended temperatures up to the expiration date. Store SP Conjugate and Biotinylated Antibody at -20°C. Store Microplate, Diluent Concentrate (10x), Wash Buffer, Stop Solution, and Chromogen Substrate at 2-8°C. Unused microplate wells may be returned to the foil pouch with the desiccant packs and resealed. May be stored for up to 30 days in a vacuum desiccator. Diluent (1x) may be stored for up to 30 days at 2-8°C. Store Standard at 2-8°C before reconstituting with Diluent and use within 1 day after reconstituting with Diluent.
  • Target See all Ceruloplasmin (CP) ELISA Kits
    Ceruloplasmin (CP) (Ceruloplasmin (Ferroxidase) (CP))
    Alternative Name
    Ceruloplasmin (CP) (CP Products)
    Synonyms
    CP-2 ELISA Kit, fi23f10 ELISA Kit, wu:fi23f10 ELISA Kit, D3Ertd555e ELISA Kit, CERP ELISA Kit, CP ELISA Kit, ceruloplasmin ELISA Kit, CP ELISA Kit, cp ELISA Kit, Cp ELISA Kit, LOC100533122 ELISA Kit
    Background
    Ceruloplasmin is an abundant alpha-2-serum glycoprotein that contains 95 % of the copper found in the plasma of vertebrate species (1). Ceruloplasmin is a copper-binding protein that normally removes iron from cells by its ferroxidase activity. On average, ceruloplasmin concentration is 14.6 (±4.0) mg/dl (2). Low levels of ceruloplasmin lead to the abnormal deposition of iron in cells, including those of the pancreas, liver, retina, and the basal ganglia region of the brain (1, 3-5).
    Gene ID
    1356
    UniProt
    P00450
    Pathways
    Transition Metal Ion Homeostasis
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