Based on immunoelectrophoresis and/or ELISA, the antibody reacts with whole molecule dog IgG.It also reacts with the light chains of other dog immunoglobulins.No antibody was detected against non-immunoglobulin serum proteins.The antibody may cross-react with immunoglobulins from other species.
4 nm Colloidal Gold
LM Grade colloidal gold reagents are intended for light microscopy and immunoblotting. Since signal intensity is relatively independent of particle size when silver enhancement is used, we offer 4 nm particles because this size may penetrate tissues better than larger particles. The 4 nm size may be used for electron microscopy in studies that require smaller particles since they are relatively uniform in size (coefficient of variation less than or equal to 15%), though small aggregates are not removed from this grade. Therefore, our 4 nm particles should only be used for electron microscopy with theunderstanding that the presence of small aggregates may give misleading results.
A detailed protocol for silver enhancement is provided with all orders for LM Grade products. All reagents involved in the light-insensitive silver enhancement reaction can be prepared easily in the laboratory. However, those who wish to use commercially available silver enhancement kits can continue to do so. All LM Grade colloidal gold-protein complexes are freeze-dried in buffer with stabilizers and a preservative. After reconstitution, they may be frozen in aliquots for extended storage.
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