Overview

  • Product name
    Human Interferon alpha 1 ELISA Kit, Fluorescent
    See all Interferon alpha 1 kits
  • Detection method
    Fluorescent
  • Precision
    Intra-assay
    Sample n Mean SD CV%
    HEK293T 3 2%
    Inter-assay
    Sample n Mean SD CV%
    HEK293T 5 3%
  • Sample type
    Cell culture supernatant, Serum, Cell culture extracts, Tissue Extracts, Heparin Plasma, EDTA Plasma, Citrate Plasma
  • Assay type
    Sandwich (quantitative)
  • Sensitivity
    1 pg/ml
  • Range
    1.8 pg/ml - 1200 pg/ml
  • Recovery

    Sample specific recovery
    Sample type Average % Range
    Cell culture supernatant 93 92% - 94%
    Serum 89 87% - 92%
    Cell culture extracts 105 102% - 108%
    Heparin Plasma 91 85% - 98%
    EDTA Plasma 87 81% - 90%
    Citrate Plasma 77 76% - 78%

  • Assay time
    1h 30m
  • Assay duration
    One step assay
  • Species reactivity
    Reacts with: Human
  • Product overview

    Interferon alpha-1 in vitro CatchPoint SimpleStep ELISA (Enzyme-Linked Immunosorbent Assay) kit is designed for the quantitative measurement of Interferon alpha-1 protein in human serum, plasma, cell culture supernatants, and cell and tissue extracts.


    This CatchPoint SimpleStep ELISA kit has been optimized for Molecular Devices Microplate Readers. Click here for a list of recommended Microplate Readers.
    If using a Molecular Devices’ plate reader supported by SoftMax® Pro software, a preconfigured protocol for these CatchPoint SimpleStep ELISA Kits is available with all the protocol and analysis settings at www.softmaxpro.org.


    The CatchPoint SimpleStep ELISA employs an affinity tag labeled capture antibody and a reporter conjugated detector antibody which immunocapture the sample analyte in solution. This entire complex (capture antibody/analyte/detector antibody) is in turn immobilized via immunoaffinity of an anti-tag antibody coating the well. To perform the assay, samples or standards are added to the wells, followed by the antibody mix. After incubation, the wells are washed to remove unbound material. CatchPoint HRP Development Solution containing the Stoplight Red Substrate is added. During incubation, the substrate is catalyzed by HRP generating a fluorescent product. Signal is generated proportionally to the amount of bound analyte and the intensity is measured in a fluorescence plater reader at 530/570/590 nm Excitation/Cutoff/Emission.

  • Notes

    Interferon alpha-1 belongs to a group of functionally related but distinct proteins of interferon alpha family that share around 80% identity of their amino acid sequences. Members of the interferon-alpha family have both anti-viral and immunomodulatory activities on target cells.

  • Tested applications
    Suitable for: Sandwich ELISAmore details
  • Platform
    Pre-coated microplate (12 x 8 well strips)

Properties

  • Storage instructions
    Store at +4°C. Please refer to protocols.
  • Components 1 x 96 tests
    100X Stoplight Red Substrate 1 x 120µl
    10X Human Interferon alpha-1 Capture Antibody 1 x 600µl
    10X Human Interferon alpha-1 Detector Antibody 1 x 600µl
    10X Wash Buffer PT (ab206977) 1 x 20ml
    500X Hydrogen Peroxide (H2O2, 3%) 1 x 50µl
    50X Cell Extraction Enhancer Solution 1 x 1ml
    5X Cell Extraction Buffer PTR (ab193970) 1 x 10ml
    Antibody Diluent CPI 1 x 6ml
    Human Interferon alpha-1 Lyophilized Recombinant Protein 2 vials
    Plate Seals 1 unit
    Sample Diluent NS 1 x 50ml
    SimpleStep Pre-Coated Black 96-Well Microplate 1 unit
    Stoplight Red Substrate Buffer 1 x 12ml
  • Research areas
  • Function
    Produced by macrophages, IFN-alpha have antiviral activities. Interferon stimulates the production of two enzymes: a protein kinase and an oligoadenylate synthetase.
  • Sequence similarities
    Belongs to the alpha/beta interferon family.
  • Cellular localization
    Secreted.
  • Information by UniProt
  • Alternative names
    • IFL
    • IFN
    • IFN alpha
    • IFN alpha 1/13
    • IFN alpha 1b
    • IFN alphaD
    • IFN-alpha-1/13
    • IFNA@
    • IFNA1
    • IFNA1_HUMAN
    • IFNA13
    • Interferon alpha 1
    • Interferon alpha-1/13
    • Interferon alpha-D
    • Interferon alpha1
    • Interferon, alpha 13
    • LeIF D
    see all
  • Database links

Applications

Our Abpromise guarantee covers the use of ab229432 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
Sandwich ELISA Use at an assay dependent concentration.

Images

  • ELISA Protocol Summary
  • Background-subtracted data values (mean +/- SD) are graphed.

  • The concentrations of Interferon alpha-1 were measured in duplicates, interpolated from the Interferon alpha-1 standard curves and corrected for sample dilution. Undiluted samples are as follows: plasma (EDTA) 100%, plasma (citrate) 100%, plasma (heparin) 100%. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2).

  • The concentrations of Interferon alpha-1 were measured in duplicates, interpolated from the Interferon alpha-1 standard curves and corrected for sample dilution. Undiluted samples are as follows: serum 100%, cell culture media (RPMI1640 + 10% FBS) 100%. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2).

  • The concentrations of Interferon alpha-1 were measured in duplicate and interpolated from the Interferon alpha-1 standard curve and corrected for sample dilution. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2). The mean Interferon alpha-1 concentration was determined to be 126 pg/mL in extract of HEK293T cells overexpressing Interferon alpha-1.

  • The concentrations of Interferon alpha-1 were measured in duplicate and interpolated from the Interferon alpha-1 standard curve and corrected for sample dilution. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2). The mean Interferon alpha-1 concentration was determined to be 427.9 pg/mL in 75 IU/mL WHO International Standard Interferon alpha (Human leukocyte-derived) NIBSC 94/784.

  • The concentrations of Interferon alpha-1 were measured in three different dilutions in duplicate and interpolated from the Interferon alpha-1 standard curve and corrected for sample dilution. The interpolated dilution factor corrected values are plotted in ng Interferon alpha-1 per mg of extract (mean +/- SD, n=3). Interferon alpha-1 concentration was determined to be 647.6 ng/mg in extract of HEK293T cells overexpressing Interferon alpha-1. Values for the empty vector were below the minimum detectable dose.

Protocols

References

ab229432 has not yet been referenced specifically in any publications.

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