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Simple Plex Human SP-D Cartridge

R&D Systems | Catalog # SPCKB-PS-000529

Simple Plex Human SP-D 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*

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

Sensitivity

19.1 pg/mL

Assay Range

154-93810 pg/mL (Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma)

Simple Plex Human SP-D Cartridge Summary

Simple Plex assay for the detection of human Surfactant Protein D (SP-D) cell culture supernatant (CCS), serum and plasma (EDTA/Heparin).

*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 SP-D.

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 16 times in one assay.

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

Cell Culture Supernates, EDTA Plasma, Heparin Plasma, Serum

Intra-Assay Precision Inter-Assay Precision
Sample 1 2 1 2
n 16 16 23 25
Mean (pg/mL) 628 26121 532 26305
Standard Deviation 48.7 1603 61.3 3115
CV% 7.8 6.1 11.5 11.8

Recovery for Simple Plex Human SP-D Cartridge

Recovery at three different spiked concentrations within the range of the assay was evaluated.

Sample Type Average % Recovery Range %
Cell Culture Supernates (n=4) 105 94-125

Linearity

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

Human SP-D Simple Plex Assay Linearity

Scientific Data Images for Simple Plex Human SP-D Cartridge

Human SP-D Simple Plex Assay Standard Curve

Human SP-D Ella Assay 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: SP-D

Surfactant Protein D (SP-D) is a collectin family protein consisting of a collagen-like sequence followed by a C-type lectin domain. It is synthesized primarily in the lung by alveolar type II cells and unciliated bronchial epithelial cells. In addition, SP-D is produced by epithelial cells of the gastrointestinal tract and exocrine glands. SP-D binds to patterns of neutral sugars on micro-organisms to mediate direct opsonization and phagocytosis and is an important component of the innate immune system.

Long Name

Surfactant Pulmonary Associated Protein D

Alternate Names

Collectin 7, PSP-D, SFTP4, SFTPD, SPD

Entrez Gene IDs

6441 (Human); 20390 (Mouse)

Gene Symbol

SFTPD

Additional SP-D Products

Product Documents for Simple Plex Human SP-D 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 SP-D Cartridge

For research use only

Citations for Simple Plex Human SP-D Cartridge

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