LumiKine™ Xpress hIFN-α 2.0

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LumiKine™ Xpress hIFN-α 2.0

Human IFN-alpha2 bioluminescent ELISA kit 2.0

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5 plates

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LumiKine™ Xpress hIFN-α 2.0
LumiKine™ Xpress hIFN-α 2.0

Rapid bioluminescent human IFN-α2 ELISA kit

LumiKine™ Xpress hIFN-α 2.0 is InvivoGen’s second-generation bioluminescent human interferon-alpha (hIFN-α) ELISA, using a Lucia luciferase-conjugated detection antibody. LumiKine™ Xpress hIFN-α 2.0 is an optimized ‘sandwich’ ELISA kit designed to rapidly and reliably measure the concentration of hIFN-α2 in various biological samples (cell culture supernatant, serum, and plasma).

After a single 2-hour incubation, the detection of hIFN-α2 is instantly determined using QUANTI-Luc™ 4 Reagent, a Lucia luciferase detection reagent. The bioluminescent signal is readily assessed by luminometry.

Features of LumiKine™ Xpress hIFN-α 2.0:

  • Single incubation: 2 hours
  • Limit of Detection: 5 pg/ml
  • Specificity: hIFN-α2 (multiple subtypes can also be detected) 
  • Optimized antibody pairing: The capture and detection antibodies bind to different epitopes of the cytokine
  • No cross-reactivity with hIFN-β, murine (m)IFN-α2 or mIFN-β

LumiKine™ Xpress hIFN-α 2.0 is provided with a standard recombinant hIFN-α2 produced in mammalian cells, to ensure the most accurate and sensitive calibration for the measurement of unknown levels of hIFN-α.


Determining unknown concentrations using LumiKine™ Xpress hIFN-α 2.0
Determining unknown concentrations using LumiKine™ Xpress hIFN-α 2.0

Figure 1: (A) A 7-point standard curve (beginning at 1000 pg/ml) was generated using a two-fold serial dilution of standard hIFN-α2. (B) Human peripheral blood mononuclear cells (PBMCs) were either stimulated with 2’3’ cGAMP, a STING agonist or left unstimulated. After 16 hours, the supernatant was isolated and the concentration of hIFN-α in both samples was quantified using LumiKine™ Xpress hIFN-α 2.0.

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Incubation time: 2 hours (after plate preparation)

Limit of detection: 5 pg/ml

Specificity: No cross-reactivity with hIFN-β, murine (m)IFN-α2 or mIFN‑β

Target: Natural and recombinant human IFN-α2 (multiple subtypes including, IFN-α1, IFN-α6, IFN-α8, IFN-α17 can also be detected with variable limits of detection)

Standard: HEK293-expressed human IFN-α2

Measurement: Bioluminescent ELISA - relative light units (RLUs)

Sample size and type: 50 µl of cell culture supernatant, serum, and plasma

Quality control:

  • The sensitivity of LumiKine™ Xpress hIFN-α 2.0 has been validated.
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LumiKine Xpress™ hIFN-α 2.0 contains:

  • 150 µg lyophilized hIFN-α capture antibody
  • 5 µg lyophilized Lucia-conjugated detection antibody 
  • 100 ng lyophilized hIFN-α2 standard (HEK293-expressed recombinant cytokine)
  • 2 tubes of QUANTI-Luc™ 4 Reagent, a Lucia luciferase detection reagent (sufficient to prepare 50 ml)
  • 5 white flat-bottom MaxiSorp® 96-well plates with 5 plate sealers

room temperature Products are shipped at room temperature.

store Upon receipt, store at -20°C.

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