Parainfluenza 1/2/3 IgA ELISA Kit (DEIA370)

Regulatory status: For research use only, not for use in diagnostic procedures.

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serum, plasma
Species Reactivity
Intended Use
The Parainfluenza 1/2/3 IgA antibody ELISA kit has been designed for the detection and the quantitative determination of specific IgA antibodies against Parainfluenza 1/2/3 in serum and plasma.
Contents of Kit
1. Microtiter Strips
2. Cut-Off Standard
3. Weak Positive control
4. Positive control
5. Negative control
6. Enzyme Conjugate
7. Substrate
8. Stop Solution
9. Sample Diluent
10. Washing Buffer
11. Plastic Foils
For more detailed information, please download the following document on our website.
Intra-assay-Precision: 5.4%
Inter-assay-Precision: 7.7%
Inter-Lot-Precision: 2.9-8.0%
1.04 U/mL


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Forces and flow induced by a moving intruder in a granular packing: coarse-graining and DEM simulations versus experiments


Authors: Lehuen, Julien; Delenne, Jean-Yves; Duri, Agnes; Ruiz, Thierry

The study of stress transmission and particles' mobility in powder beds constitutes a challenging issue to improve processes such as milling, agglomeration and kneading. In this paper the ability to promote particle mobilities by means of an intruder is investigated. An experimental setup was developed to characterize the particles' mobility at the voxel scale. A particle image velocimetry (PIV) algorithm was employed to determine the velocity fields in the vicinity of an intruder in ascendant vertical motion. A discrete element method model was developed to simulate the same system at the particle scale. Velocity maps were determined relying on a coarse-graining procedure and compared to PIV results. During the rise of the intruder the experimental and simulated drag forces are in good agreement. Spatio-temporal correlation between the granular mobility and the state of the force network are analyzed as a function of the height of the intruder. The drag force profile exhibits a relaxation trend, noised by fluctuations whose origin are in successive loading/rupture events. An interpretation of these fluctuations is proposed with regard to the development of preferential paths in the normal force network, and to the localization of sliding at the contacts scale. Finally, we show that global strains are a consequence of the ejection of particles directly in contact with the ends of the intruder.

Experimental investigations of the asymmetric vortex formation over a slender body of revolution at high angles of attack


Authors: Zhu, Yiding

This paper describes an experimental investigation of the initial growth of flow asymmetries over a slender body of revolution at high angles of attack with natural and disturbed noses. Time-resolved particle image velocimetry (PIV) is used to investigate the flow field around the body. Flow visualization clearly shows the formation of the asymmetric vortices. Instantaneous PIV shows that the amplified asymmetric disturbances lead to Kelvin-Helmholtz instability appearing first on one side, which increases the momentum exchange crossing the layer. As a result, the separation region shrinks which creates the initial vortex asymmetry.

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