HIV-1 Gag p24 Quantikine ELISA Kit

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HIV-1 Gag p24 Quantikine ELISA Kit Summary

Assay Length
4.5 hours
Sample Type & Volume Required Per Well
Cell Culture Supernates (50 uL), Serum (100 uL), EDTA Plasma (100 uL), Heparin Plasma (100 uL)
3.25 pg/mL
Assay Range
7.8 - 500 pg/mL (Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma)
HIV-1 Gag p24.
< 0.5% cross-reactivity observed with available related molecules.< 50% cross-species reactivity observed with species tested.
No significant interference observed with available related molecules.

Product Summary

The Quantikine HIV-1 Gag p24 Immunoassay is a 4.5 hour solid-phase ELISA designed to measure HIV-1 Gag p24 in cell culture supernates, serum, and plasma.


Intra-Assay Precision (Precision within an assay) Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision
Inter-Assay Precision (Precision between assays) Three samples of known concentration were tested in twenty separate assays to assess inter-assay precision. Assays were performed by at least three technicians using two lots of components

Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma

Intra-Assay Precision Inter-Assay Precision
Sample 1 2 3 1 2 3
n 20 20 20 20 20 20
Mean 45.7 135 280 43 132 285
Standard Deviation 1.41 4.86 8.1 1.93 4.61 11.2
CV% 3.1 3.6 2.9 4.5 3.5 3.9


The recovery of HIV-1 Gag p24 spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay.

Sample Type Average % Recovery Range %
Cell Culture Media (n=4) 100 93-105
EDTA Plasma (n=4) 74 64-82
EDTA Plasma (ICD Treated) (n=4) 92 85-100
Heparin Plasma (n=4) 72 63-78
Heparin Plasma (ICD Treated) (n=4) 88 69-94
Serum (n=4) 79 73-85


To assess the linearity of the assay, samples spiked with high concentrations of HIV-1 Gag p24 were serially diluted with Calibrator Diluent to produce samples with values within the dynamic range of the assay. Samples were diluted prior to assay.
Viral HIV-1 Gag p24 ELISA Linearity

Data Examples

Viral HIV-1 Gag p24 ELISA Standard Curve

Product Datasheets

Preparation and Storage

Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: HIV-1 Gag p24

The gag gene of human immunodeficiency virus 1 (HIV-1) encodes a precursor protein known as Pr55Gag. The viral protease PR cleaves this precursor to generate p17, p24, p7, and p6 proteins which are required for virus particle assembly. p24 is a major viral core structural protein. Its measurement is commonly used as an indicator of HIV-1 infection and viral load.

Long Name:
Human Immunodeficiency Virus Type 1 GAG/Group-specific Antigen core protein of 24 kDa
Entrez Gene IDs:
155030 (Viral)
Alternate Names:
CA; Capsid Protein; HIV1 Gag p24; HIV-1 Gag p24; Pr55(Gag)
⚠ WARNING: This product can expose you to chemicals including N,N-Dimethylforamide, which is known to the State of California to cause cancer. For more information, go to


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