Q: We wish to measure MASP-2 levels in human plasma. Are stored plasma (or serum) at -20 centigrade stabile for this measurement if only frozen once. Should we measure in duplicate or triplicate? Is plasma better than serum as I have both stored for the MASP-2 test? What would be the cost of a kit and how many samples would it measure? I assume there is no special equipment other than ELISA like stuff? What is the shelf life as I have holiday next month? Is the a list of equipment we need to run the kits so I can check it with our lab technicians.

A: Once frozen samples should be fine for measurement. Generally, all experiments should be performed at least in triplicate so you can perform statistical analysis. MASP-2 should be detectable in both serum and plasma. Serum might yield cleaner signals since it is depleted of blood cells and clotting factors, but the depletion could, theoretically remove some MSAP-2 as well. Either type of sample should be suitable though. We currently have no MASP2 ELISA kits available. A list of our MASP2 antibodies can be found at this link if you would like to make your own. We guarantee all of our antibodies for 6 months from the receipt date.

Human MASP2 ELISA Kit (Colorimetric)

Novus Biologicals | Catalog # NBP3-39793

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Product Specifications
Precision
Scientific Data
Kit Contents
Preparation & Storage
Background
Product Documents
Specific Notices

Key Product Details

Sample Type & Volume Required Per Well

Serum, plasma and other biological fluids (100 uL)

Sensitivity

0.062 ng/mL (example only; lot dependent)

Assay Range

0.156 - 10 ng/mL (example only; lot dependent)

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Product Specifications

Assay Type

Sandwich ELISA

Kit Type

ELISA Kit (Colorimetric)

Species

Human

Description

Assay Length: 4.5 hours

Precision

Intra-Assay Precision (Precision within an assay) %CV 10 (example only; lot dependent)

Inter-Assay Precision (Precision between assays) %CV 12 (example only; lot dependent)

Scientific Data Images for Human MASP2 ELISA Kit (Colorimetric)

ELISA: Human MASP2 ELISA Kit (Colorimetric) [NBP3-39793]

ELISA: Human MASP2 ELISA Kit (Colorimetric) [NBP3-39793] - Standard Curve Reference

Kit Contents for Human MASP2 ELISA Kit (Colorimetric)

Detection Reagent A
Detection Reagent B
Diluent Buffer
Instruction manual
Plate sealer for 96 wells
Pre-coated 96T strip plate
Standard
Stop Solution
TMB Substrate
Wash Buffer (30 x concentrate)

Preparation and Storage

Shipping

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

Stability & Storage

Storage of components varies. See protocol for specific instructions.

Background: MASP2

The Ra-reactive factor (RARF) is a complement-dependent bactericidal factor that binds to the Ra and R2 polysaccharides expressed by certain enterobacteria. Alternate splicing of this gene results in two transcript variants encoding two RARF components that are involved in the mannan-binding lectin pathway of complement activation. The longer isoform is cleaved into two chains which form a heterodimer linked by a disulfide bond. The encoded proteins are members of the trypsin family of peptidases. [provided by RefSeq]

Alternate Names

EC 3.4.21, EC 3.4.21.104, mannan-binding lectin serine peptidase 1 pseudogene 1, mannan-binding lectin serine peptidase 2, mannan-binding lectin serine protease 1 pseudogene 1, mannan-binding lectin serine protease 2, Mannose-binding protein-associated serine protease 2, MAP19, MASP1P1, MASP-2, MBL-associated plasma protein of 19 kD, MBL-associated serine protease 2, small MBL-associated protein, sMAP

Gene Symbol

MASP2

Additional MASP2 Products

Product Documents for Human MASP2 ELISA Kit (Colorimetric)

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Download Manual - Human MASP2 ELISA Kit (Colorimetric)

Certificate of Analysis

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

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Product Specific Notices for Human MASP2 ELISA Kit (Colorimetric)

This product is for research use only and is not approved for use in humans or in clinical diagnosis. ELISA Kits are guaranteed for 6 months from date of receipt.

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