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NycoPrep™ 1.077 (4x250mL)

Nycoprep™ 1.077 is a ready-made, sterile and endotoxin tested solution for the purification of human mononuclear cells.
Cat. No.: 1114550
Quantity:  4 x 250 mL

Delivery Time: usually 1-7 working days

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Product description

Density 1.077 +/- 0.001 g/mL
Endotoxin <1.0 EU/mL



In 1983 Dr. Arne Bøyum devised a new separation medium for the density barrier isolation of human mononuclear cells. This medium is based on Nycodenz®, a tri-iodinated derivative of benzoic acid with three aliphatic, highly hydrophilic side chains with a molecular weight of 821. In NycoPrep™ 1.077, Nycodenz® replaces sodium diatrizoate of the Ficoll/Hypaque method and a buffered sodium chloride solution maintains the correct osmotic environment. Importantly no Ficoll or other polysaccharide is added. Thus the components of NycoPrep™ 1.077 are unlikely to mask receptors or other marker molecules on the surface of lymphocytes. Mitogen stimulation of the mononuclear cells recovered is found to give results similar to or better than, cells isolated by the Ficoll/ Hypaque method.

Using NycoPrep™ 1.077, the erythrocytes do not form such a compact pellet and if resuspended, appear as single, unclumped cells of good morphological appearance.

To obtain the maximum yield it is important that the blood sample is diluted 1:1 with physiological saline before being applied to the gradient.

The contamination of erythrocytes in the mononuclear cell suspension isusually between 3-10% of the total cell number.

Some immature PMNs may band with the lymphocytes during intense immunosuppressive therapy. When heparinised blood is used, it is essential to remove most of the platelets, in order to avoid inhibition in the cytotoxicity test.

NycoPrep™ 1.077 can be used for the preparation of pure lymphocyte suspensions for tissue typing, antilymphocyte sera and immunological research.

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