RayBio® Human IL-8 (CXCL8) ELISA Kit for cell culture supernatants, plasma, serum, and lysate samples.
Lead time: Typically ships within 1-2 business days. No Friday shipments.
RayBio® Human IL-8 (CXCL8) ELISA Kit for cell culture supernatants, plasma, serum, and lysate samples.
Lead time: Typically ships within 1-2 business days. No Friday shipments.
| Size | 1 Plate Kit, 2 Plate Kit, 5 Plate Kit, 10 Plate Kit |
| Estimated Lead Time | 1-2 business days |
| Species | Human |
| Sensitivity | 1 pg/ml Need more sensitivity? Check out the new NexaTag® kit for this target. Still not enough? Then your answer is our Ultrasensitive Biomarker Testing Service powered by Simoa™ technology. |
| Detection Range | 1 pg/ml - 600 pg/ml |
| Specificity | This ELISA kit shows no cross-reactivity with any of the cytokines tested: Human BDNF, BLC, ENA-78, FGF-4, IL-1 alpha, IL-1 beta, IL-2, IL-3, IL-4, IL-5, IL-6, IL-7, IL-9, IL-10, IL-11, IL-12 p70, IL-12 p40, IL-13, IL-15, I-309, IP-10, G-CSF, GM-CSF, IFN-gamma, Leptin (OB), MCP-1, MCP-2, MCP-3, MDC, MIP-1 alpha, MIP-1 beta, MIP-1 delta, PARC, PDGF, RANTES, SCF, TARC, TGF-beta, TIMP-1, TIMP-2, TNF-alpha, TNF-beta, TPO, VEGF. |
| Compatible Sample Types | Cell Culture Supernatants, Plasma, Serum, Tissue Lysates, Cell Lysates |
| Recommended Dilution (Serum/Plasma) | 2 fold |
| Accession Number | P10145 |
| Gene Id | 3576 |
| Gene Symbols | CXCL8, IL8 |
| Protein Name / Synonyms | Interleukin-8 (IL-8) (C-X-C motif chemokine 8) (Chemokine (C-X-C motif) ligand 8) (Emoctakin) (Granulocyte chemotactic protein 1) (GCP-1) (Monocyte-derived neutrophil chemotactic factor) (MDNCF) (Monocyte-derived neutrophil-activating peptide) (MONAP) (Neutrophil-activating protein 1) (NAP-1) (Protein 3-10C) (T-cell chemotactic factor) [Cleaved into: MDNCF-a (GCP/IL-8 protein IV) (IL8/NAP1 form I) Interleukin-8 ((Ala-IL-8)77) (GCP/IL-8 protein II) (IL-8(1-77)) (IL8/NAP1 form II) (MDNCF-b) IL-8(5-77) IL-8(6-77) ((Ser-IL-8)72) (GCP/IL-8 protein I) (IL8/NAP1 form III) (Lymphocyte-derived neutrophil-activating factor) (LYNAP) (MDNCF-c) (Neutrophil-activating factor) (NAF) IL-8(7-77) (GCP/IL-8 protein V) (IL8/NAP1 form IV) IL-8(8-77) (GCP/IL-8 protein VI) (IL8/NAP1 form V) IL-8(9-77) (GCP/IL-8 protein III) (IL8/NAP1 form VI)] |
| Quantitative/Semi-Quantitative | Quantitative |
| Solid Support | 96-well Microplate |
| Design Principle | Sandwich-based |
| Method Of Detection | Colorimetric |
| Research Area | Angiogenesis, Cancer, Inflammation, Antibody Drug Development, Protein Therapeutics, Chemokine Biology |
| Shipping Type | Blue ice |
| Storage | ≤-20°C |










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Human IL-8 ELISA Kit Standard Curve
The assay was user-friendly and showed reliable accuracy across triplicate measurements.
Review by LK, from Australis Pharmaceuticals, on Aug 26, 2025
It was a convenient assay to follow, and showed accuracy in the triplicates.
Review by Ozcan, from University of Connecticut, on Jun 3, 2022
Human Cell Culture SupernatantsCell type was used.
Review by Dan, from NanoBST, on Feb 27, 2022
Great kit, one of the standards in our lab. Easy to use, and customer service is great.
Review by Laura, from UTSW, on Feb 17, 2022
I ordered this kit for many studies and it works very good for me. I tried different dilution factors.
Review by Samia, from Florida A&M University, on Dec 17, 2020
Used IL8 for Elisa to identify Neutrophils. Easy to follow instructions.
Review by Vlad Strumkovsky, from Husson University, on Sep 2, 2020
I have used this kit with tissue as well as supernatant and it's really easy
Review by Aida, from CPMC, on Jul 8, 2020
I used this kit a couple of times in cell lysate and it works really good
Review by Aida, from CPMC, on Jun 1, 2020
I used this kit to measure the IL-8 secretion in culture supernatant. The kit has easy to follow instructions. It worked really great.
Review by Richa, from Icahn School of Medicine at Mount Sinai, on Jan 12, 2020
I bought this IL8 ELISA 3 times from RayBiotech, each time the very exact results for same samples with a range of 1-600 pg/ml. I am impressed.
Review by Madhavi Pali, from University of Texas Dallas, on Sep 23, 2019
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Review by Luvina Rice, on Aug 26, 2018
Easy to follow and works exactly as expected.
Review by Brianna, from Biocogent, LLC, on Jul 24, 2018
Best Elisa. Easy to use instructions very helpful for new users.
Review by Debbie Piktel, from Wvu, on Jun 30, 2018
It is very user-friendly well written protocol. Easy to use and get results in one day.
Review by Dhara Shah, from University of Illinois at Chicago, on Jun 20, 2018
I used this kit to measure IL-8 in culture supernatants after HIV treatment. The results look good and there was no high background in my negative controls.
Review by Nancy, on Apr 16, 2018
RayBio® Human IL-8 (CXCL8) ELISA Kit for cell culture supernatants, plasma, serum, and lysate samples.
Lead time: Typically ships within 1-2 business days. No Friday shipments.
Human IL-8 ELISA Kit Standard Curve