Human BAFF/BlyS/TNFSF13B Quantikine QuicKit ELISA

R&D Systems | Catalog # QK0124

R&D Systems
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Key Product Details

Assay Length

80 minutes

Sample Type & Volume Required Per Well

Cell Culture Supernates (25 µL), Cell Lysates (10 µL), Serum (25 µL), EDTA Plasma (25 µL), Heparin Plasma (25 µL)

Sensitivity

5.23 pg/mL

Assay Range

18.8-37.5 pg/mL (Cell Culture Supernates, Cell Lysates, Serum, EDTA Plasma, Heparin Plasma)
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Product Summary for Human BAFF/BlyS/TNFSF13B Quantikine QuicKit ELISA

The Quantikine QuicKit Human BAFF/BlyS/TNFSF13B Immunoassay is a one-step, 80-minute solid phase ELISA designed to measure human BAFF levels in cell culture supernates, serum, plasma, and cell lysates. It contains recombinant human BAFF and antibodies raised against the recombinant protein. Results obtained for naturally occurring human BAFF showed linear curves that were parallel to the standard curves obtained using the recombinant QuicKit standards. These results indicate that this kit can be used to determine relative mass values for natural human BAFF.

Product Specifications

Measurement

Quantitative ELISA

Detection Method

Colorimetric - 450nm (TMB)

Conjugate

HRP

Species

Human

Specificity

Natural and recombinant human BAFF. 

Cross-reactivity

< 0.5% cross-reactivity observed with available related molecules. < 50% cross-species reactivity observed with species tested.

Interference

No significant interference observed with available related molecules.

Precision

Intra-Assay Precision (Precision within an assay) Two samples of known concentration were tested twenty times on one plate to assess&nbsp;intra-assay precision.

Inter-Assay Precision (Precision between assays) Two samples of known concentration were tested in ten separate assays to assess inter-assay precision. Assays were performed by at least five technicians.

Cell Culture Supernates, Cell Lysates, EDTA Plasma, Heparin Plasma, Serum

Intra-Assay Precision Inter-Assay Precision
Sample 1 2 1 2
n 20 20 10 10
Mean (pg/mL) 81.2 605 96.2 558
Standard Deviation 2.28 21.9 10.5 34.3
CV% 2.8 3.6 10.9 6.2

Recovery for Human BAFF/BlyS/TNFSF13B Quantikine QuicKit ELISA

The recovery of BAFF is spiked to three different levels in samples throughout the range of the assay in various matrices was evaluated.

Sample Type Average % Recovery Range %
Cell Culture Media (n=2) 97 85-105
EDTA Plasma (n=2) 101 85-110
Heparin Plasma (n=2) 99 81-108
Lysis Buffer (n=1) 125 117-133
Serum (n=2) 95 78-104

Linearity

To assess the linearity of the assay, samples containing high concentrations of BAFF were diluted with Calibrator Diluent RD5-20 (diluted 1:2) to produce samples with values within the dynamic range of the assay. 

Human BAFF/BlyS/TNFSF13B Quantikine QuicKit ELISA

Scientific Data Images for Human BAFF/BlyS/TNFSF13B Quantikine QuicKit ELISA

Human BAFF/BlyS/TNFSF13B Quantikine QuicKit ELISA

Human BAFF/BlyS/TNFSF13B Quantikine QuicKit ELISA Standard Curve

Preparation and Storage

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

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

Background: CCL17/TARC

CCL17/TARC is a chemokine that interacts with CCR4 and CCR8 to induce the chemoattraction of activated Th2 cells, basophils, and NK cells. It is produced by thymic dendritic cells, lymph node dendritic cells, monocytes, CD4+ T cells, keratinocytes, fibroblasts, bronchial epithelial cells, and Reed-Sternberg cells. CCL17 promotes Th2 cell recruitment to sites of inflammation and induces platelet aggregation and degranulation.

Alternate Names

ABCD-2, SCYA17, TARC

Entrez Gene IDs

6361 (Human); 20295 (Mouse)

Gene Symbol

CCL17

Additional CCL17/TARC Products

Product Documents for Human BAFF/BlyS/TNFSF13B Quantikine QuicKit ELISA

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Human BAFF/BlyS/TNFSF13B Quantikine QuicKit ELISA

For research use only

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