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Product Information
Dinitrophenyl (DNP) is a hapten that is often used for labeling
primary or secondary probes in immunological assays. Small
molecules (Haptens) such as small chemicals or drugs or antibiotics
or peptides must be coupled to a large carrier protein (BSA,
Ovalbumin, thyroglobulin, toxoids etc) to make antibodies.
Much of our current understanding of the antibody response to
antigens has been derived by using the antibody-hapten model. One
known model uses the dinitrophenyl (DNP) group. Immunization of
many mammalian species with DNP-protein conjugates results in
production of antibodies specific for DNP and the amino acid side
chains to which it is attached.
Model antigens have typically been used to study the immune status
of immune compromised animals or to compare the effect of added
substances (adjuvant). A variety of model antigens can be used:
Proteins (medium size such ovalbumin (45 kda) or BSA (65 kda),
Thyroglobulin & KLH (>100 Kda-million Kda),
DNP-albumin or ovalbumin conjugates contains approx. 40
DNP/molecule of protein. DNP conjugates (DNP-KLH or DNP-BSA)
useful for the production of antibodies specific for DNP and
hemocyanin or BSA. DNP immunization produced a significant
variation in the amount and antibody class (IgGs, IgA, IgE, IgM)
among strains, and under various experimental conditions. DNP
preparations (purity and supplier), doses (amount per injection),
routes (intramuscular, intravenous, aerosol, liposome entrapped,
polymerized etc), frequency of exposure (single injections, multiple
etc) may induce a defined class of antibody and its level may vary as
well. DNP-induced antibody production has been used to assess the
immune status of normal and immune compromised
animals.
Storage and Stability: Shipped at room temperature and it should
be stored at 2-8 C. Long term storage at -20 C for up to 6 months.
Avoid repeated freeze thaw cycles.