rev:July 27, 1997

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  HUMAN ANTIGENS/Pure Proteins 

(for in vitro research use only)

Research Diagnostics Inc  offers a wide line of  antigens for use in histochemistry, ELISA, and further manufacturing use. Please inquire for other antigens or antibodies to use with these products. Please inquire for Bulk quantities-significant discounts available!


Product:    CARBOHYDRATE DEFICIENT TRANSFERRIN (CDT) -Part pure


CAT#: RDI-SCP1792     $200.00/1mg     $1250.00/10mg

Source material: Pooled Human serum/plasma

Product presentation: Supplies lyophilised from 0.02M NH4HCO3. May contain traces of buffer salts. The use of a buffered solution containing physiological levels of saline may aid complete dispersion of the product upon reconstitution.


Specification: CDT is here defined as including the presence of:  Part Pure Grade

                      Asialo pI = 6.0           Monosialo pI = 5.85

                     Disialo pI = 5.7           Trisialo      pI = 5.6

                  CDT content  estimated as 15-30% of total transferrin.

                  Transferrin content estimated 20-50% of total protein


Analysis: Isoform pI determined by IEF (transferrin isoforms are iron saturated before electrophoresis).


SDS-PAGE shows a tight cluster of bands, corresponding to a molecular weight of approx. 77,000. Dimer, may appear under certain conditions.


Total transferrin by radial immunodiffusion (RID).


Protein determination by the method of Lowry and OD(280nm).


CDT characterised by AXIS% CDTri TIA.

Disease state testing: Serum/plasma is donor tested and certified negative for HIV 1 and 2 antibodies, Hepatitis B surface antigen and HCV antibodies.

Storage: 2-8'C.

For In Vitro Research or Further Manufacturing Use Only


Research Diagnostics Inc

Pleasant Hill Road

Flanders NJ 07836

phone (800) 631-9384 or (973) 584-7093

fax     (973) 584-0210

EMAIL:ResearchD@aol.com

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