A gamma-globulin factor in the serum of patients with systemic lupus erythematosus that reacts with isolated cell nuclei 1 or nucleoprotein 2,3 has been detected in many ways. 4 The standard method of ...

R. L. Kahn, R. M. Olin Jr. The velocity of fixation of complement employing syphilitic serums and 6 different Wassermann antigens was studied. The periods of fixation ...

A complement C4 (also known as a complement component 4, or simply C4) is a test to measure the level of C4 proteins you have in your blood. These proteins play a role in how your immune system ...

IN the course of immunological research on cancer it was observed that the foot and mouth disease virus can act as antigen in a special reaction of the complement fixation test. You have full access ...

THE antigen most commonly used in complement fixation tests for Johne's disease is a suspension of the specific organism, Mycobacterium johnei. This form of antigen is not entirely satisfactory for ...