Human RNP/Smith antigen (RNP/S

Human Antibody Subclass ELISA

consists of a cooperation between monocytes and cytophilic antibodies able to bind to the Fc receptors present on the monocyte surface. Thus human IgG1 and IgG3 are the main isotypes effective in ADCI, whereas IgG2, IgG4, and IgM are ineffective

（共享）ELISA原理与实验方法

thousands of colored products. Thus, in ELISA, antigens are detectable when present in only nanogram and picogram quantities. One form of the ELISA is carried out in a microtiter plate which is used as the solid phase for adsorption of antigen (Figure

Antigen Design Sera Purification Tech Sheet

. It has the capacity to bind at least two molecules of IgG. The binding is specific to the Fc portion and does not affect the antigen binding sites. Protein G is isolated from Group G streptococci and binds the Fc region of the IgG in a similar manner to Protein