Simple Plex Human Cytokeratin 18 Cartridge

R&D Systems | Catalog # SPCKB-PS-001065

Simple Plex Human Cytokeratin 18 assay kit for use on Ella instrument. Contains cartridge, sample diluent SD13, and wash buffer.
R&D Systems

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Key Product Details

Assay Length

90 minutes

Sample Type & Volume Required Per Well*

Serum (25 µL), EDTA Plasma (25 µL), Heparin Plasma (25 µL)

Sensitivity

8.52 pg/mL

Assay Range

141-86000 pg/mL (Serum, EDTA Plasma, Heparin Plasma)

Simple Plex Human Cytokeratin 18 Cartridge Summary

Simple Plex assay is for the detection of human Cytokeratin 18 serum and plasma (EDTA/Heparin) in Sample Diluent SD13.

*The Sample Volume represented is based on the amount of sample incorporated into the reaction after taking into account the assay's minimum required dilution for a given matrix. Serial dilution may be necessary to achieve some of the final sample volumes represented.

Compatible Instruments

Ella Automated Immunoassay System

Ella Automated Immunoassay System

Efficiently analyze biomarkers with Ella's advanced technology, providing accurate, precise results in under 90 minutes. Quantify up to 8 targets per assay through a streamlined automated workflow. Choose from >350 highly validated Simple Plex assays or Simple Plex discovery assays.
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Product Specifications

Assay Type

Automated sandwich ELISA

Format

Microfluidic cartridge containing three Glass Nano Reactors (GNR)

Species

Human

Specificity

Natural and recombinant human Cytokeratin 18.

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) Each control was tested multiple times in one Cytokeratin 18 assay.

Inter-Assay Precision (Precision between assays) Replicates of each Cytokeratin 18 control were tested in multiple assays performed by at least three technicians using two lots of reagents for human Cytokeratin 18.

EDTA Plasma, Heparin Plasma, Serum

Intra-Assay Precision Inter-Assay Precision
Sample 1 2 1 2
n 16 16 38 40
Mean (pg/mL) 522 33,577 473 29,354
Standard Deviation 48.9 3085 50.0 2606
CV% 9.4 9.2 10.6 8.9

Recovery for Simple Plex Human Cytokeratin 18 Cartridge

Recovery for the human Cytokeratin 18 assays was evaluated at three different spiked concentrations of CD40 protein.

Sample Type Average % Recovery Range %
EDTA Plasma (n=4) 104 86-116
Heparin Plasma (n=4) 100 81-111
Serum (n=4) 105 80-115

Linearity

Samples containing and/or spiked with high concentrations of human Cytokeratin 18 were serially diluted with Sample Diluent to produce samples within the dynamic range of the assay

Simple Plex Human Cytokeratin 18 Assay Linearity

Scientific Data Images for Simple Plex Human Cytokeratin 18 Cartridge

Simple Plex Human Cytokeratin 18 Assay Standard Curve

Simple Plex Human Cytokeratin 18 Assay Standard Curve

Data shown represents typical performance results for Lower Limit of Quantitation (LLOQ) and Upper Limit of Quantitation (ULOQ) for Simple Plex Human Cytokeratin 18 Assay. Assay range is 141-86,000 pg/mL.

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: Cytokeratin 18

Cytokeratins are cytoskeletal intermediate filament proteins that are classified as type I (acidic) and type II (neutral to basic) and associate into heterotetramers.

Alternate Names

CK-18, CYK18, Keratin 18, KRT18

Entrez Gene IDs

3875 (Human); 16668 (Mouse)

Gene Symbol

KRT18

Additional Cytokeratin 18 Products

Product Documents for Simple Plex Human Cytokeratin 18 Cartridge

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Certificate of Analysis

To download a Certificate of Analysis, please enter your Simple Plex catalog number and lot number in the search boxes below.

Product Specific Notices for Simple Plex Human Cytokeratin 18 Cartridge

For research use only

Citations for Simple Plex Human Cytokeratin 18 Cartridge

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