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Albumin ELISA Kit

ALB Reaktivität: Ratte Colorimetric Sandwich ELISA Cell Culture Supernatant
Produktnummer ABIN612766
  • Target Alle Albumin (ALB) ELISA Kits anzeigen
    Albumin (ALB)
    Reaktivität
    • 10
    • 8
    • 7
    • 6
    • 4
    • 4
    • 3
    • 3
    • 3
    • 3
    • 1
    • 1
    • 1
    • 1
    Ratte
    Nachweismethode
    Colorimetric
    Methodentyp
    Sandwich ELISA
    Untere Nachweisgrenze
    150 pg/mL
    Applikation
    ELISA
    Verwendungszweck
    The AssayMax Rat Albumin ELISA (Enzyme-Linked Immunosorbent Assay) kit is designed for detection of rat albumin in cell culture supernatants and urine
    Marke
    AssayMax
    Proben
    Cell Culture Supernatant
    Analytische Methode
    Quantitative
    Bestandteile
    Rat Albumin Microplate: A 96-well polystyrene microplate (12 strips of 8 wells) coated with a polyclonal antibody against rat albumin. Sealing Tapes: Each kit contains 3 pre-cut, pressure-sensitive sealing tapes that can be cut to fit the format of the individual assay. Rat Albumin Standard: Rat albumin in a buffered protein base (400 ng, lyophilized). Biotinylated Rat Albumin Antibody (100x): A 100-fold concentrated biotinylated polyclonal antibody against rat albumin (80µl). MIx Diluent Concentrate (10x): A 10-fold concentrated buffered protein base (30 ml). 1 Wash Buffer Concentrate (20x): A 20-fold concentrated buffered surfactant (30 ml). Streptavidin-Peroxidase Conjugate (SP Conjugate): A 100-fold concentrate (90µl). Chromogen Substrate: A ready-to-use stabilized peroxidase chromogen substrate tetramethylbenzidine (8 ml). Stop Solution: A 0.5 N hydrochloric acid (12 ml) to stop the chromogen substrate reaction.
    Benötigtes Material
    Microplate reader capable of measuring absorbance at 450 nm. Pipettes (1-20 µL, 20-200 µL, 200-1000µLand multiple channel). Deionized or distilled reagent grade water
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  • Probenmenge
    50 μL
    Testdauer
    < 3 h
    Plattentyp
    Pre-coated
    Protokoll
    This assay employs a quantitative sandwich enzyme immunoassay technique that measures rat albumin in less than 3 hours. A polyclonal antibody specific for rat albumin has been pre-coated onto a 96-well microplate with removable strips. Albumin in standards and samples is sandwiched by the immobilized polyclonal antibody and biotinylated polyclonal antibody specific for rat albumin, which is recognized by a streptavidin-peroxidase conjugate. All unbound material is then washed away and a peroxidase enzyme substrate is added. The color development is stopped and the intensity of the color is measured.
    Aufbereitung der Reagenzien

    Freshly dilute all reagents and bring all reagents to room temperature before use. If crystals have formed in the concentrate, mix gently until the crystals have completely dissolved. MIx Diluent Concentrate (10x): Dilute the MIx Diluent 1:10 with reagent grade water. Store for up to 1 month at 2-8°C. Standard Curve: Reconstitute the 400 ng of albumin Standard with 2 ml of MIx Diluent to generate a solution of 200 ng/ml. Allow the standard to sit for 10 minutes with gentle agitation prior to making dilutions. Prepare triplicate standard points by serially diluting the standard solution (200 ng/ml) 1:4 with MIx Diluent to produce 50, 12.5, 3.125 and 0.781 ng/ml solutions. MIx Diluent serves as the zero standard (0 g/ml). Any remaining solution should be frozen at -20°C. Standard Point Dilution [rAlbumin] (ng/ml) P1 Standard (200 ng/ml) 200.000 P2 1 part P1 + 3 parts MIx Diluent 50.000 P3 1 part P2 + 3 parts MIx Diluent 12.500 P4 1 part P3 + 3 parts MIx Diluent 3.125 P5 1 part P4 + 3 parts MIx Diluent 0.781 P6 MIx Diluent 0.000 Biotinylated Rat Albumin Antibody (100x): Spin down the antibody briefly and dilute the desired amount of the antibody 1:100 with MIx Diluent. Any remaining solution should be frozen at -20°C. Wash Buffer Concentrate (20x): Dilute the Wash Buffer Concentrate 1:20 with reagent grade water. SP Conjugate (100x): Spin down the SP Conjugate briefly and dilute the desired amount of the conjugate 1:100 with MIx Diluent. Any remaining solution should be frozen at -20°C.

    Probennahme
    Cell Culture Supernatants: Centrifuge cell culture media at 3,000 x g for 10 minutes to remove debris. Collect supernatants and assay. Store samples at -20°C or below. Avoid repeated freeze-thaw cycles. Urine: Collect urine using sample pot. Centrifuge samples at 800 x g for 10 minutes and assay. Dilute samples 1:100 into MIx Diluent. Store samples at -20°C or below for up to 3 months. Avoid repeated freeze-thaw cycles.
    Testdurchführung

    Prepare all reagents, working standards and samples as instructed. Bring all reagents to room temperature before use. The assay is performed at room temperature (20 - 30 °C). Remove excess microplate strips from the plate frame and return them immediately to the foil pouch with desiccant inside. Reseal the pouch securely to minimize exposure to water vapor and store in a vacuum desiccator. Add 50 µL of standard or sample per well. Cover wells with a sealing tape and incubate for one hour. Start the timer after the last sample addition. Wash five times with 200 µL of Wash Buffer. Invert the plate and decant the contents, and hit it 4-5 times on absorbent paper towel to completely remove liquid at each step. Add 50 µL of Biotinylated Rat Albumin Antibody to each well and incubate for 30 minutes. Wash five times with 200 µL of Wash Buffer. Add 50 µL of Streptavidin-Peroxidase Conjugate to each well and incubate for 30 minutes. Turn on the microplate reader and set up the program in advance. Wash five times with 200 µL of Wash Buffer. Add 50 µL of Chromogen Substrate per well and incubate for about 10 minutes or till the optimal blue color density develops. Gently tap plate to ensure thorough mixing and break the bubbles in the well with pipette tip. Add 50 µL of Stop Solution to each well. The color will change from blue to yellow. Read the absorbance on a microplate reader at a wavelength of 450 nm immediately. Please note that after the reaction is stopped for about 10 minutes, some black particles may be generated at high concentration point, which will reduce the readings.

    Ergebnisberechnung

    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 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. Standard Curve The curve is provided for illustration only. A standard curve should be generated each time the assay is performed.

    Testpräzision
    Intra-assay and inter-assay coefficients of variation were 4.8% and 7.0% respectively.
    Beschränkungen
    Nur für Forschungszwecke einsetzbar
  • Handhabung
    The kit should not be used beyond the expiration date.
    Lagerung
    4 °C/-20 °C
    Informationen zur Lagerung
    Store kit at 2-8°C or -20°C upon arrival up to the expiration date. Opened MIx Diluent may be stored for up to 1 month at 2-8°C. Store reconstituted reagents at -20°C or below. Opened unused strip wells may return to the foil pouch with the desiccant pack, reseal along zip-seal. May be stored for up to 1 month in a vacuum desiccator.
  • Target Alle Albumin (ALB) ELISA Kits anzeigen
    Albumin (ALB)
    Andere Bezeichnung
    Albumin (ALB Produkte)
    Synonyme
    PRO0883 ELISA Kit, PRO0903 ELISA Kit, PRO1341 ELISA Kit, ALB ELISA Kit, CSA ELISA Kit, Alb-1 ELISA Kit, Alb1 ELISA Kit, Albza ELISA Kit, LOC100136344 ELISA Kit, alb-a ELISA Kit, alb-b ELISA Kit, albumin ELISA Kit, serum albumin 1 ELISA Kit, albumin S homeolog ELISA Kit, ALB ELISA Kit, Alb ELISA Kit, LOC100136344 ELISA Kit, alb.S ELISA Kit
    Hintergrund
    Albumin is a serum hepatic protein, the most abundant protein in serum and contributes to the maintenance of oncotic pressure as well as to transport of hydrophobic molecules. Serum albumin level has been linked in clinical practice to several diseases. Low albumin levels can suggest liver , kidneys disease , inflammation , shock , and malnutrition. On the other hand, high albumin levels usually reflect dehydration.
    Pathways
    Lipid Metabolism
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