FLOCCULATION TEST: FLOCCULATION IS A FORM OF AGGLUTINATION IN WHICH THE ANTIGEN IS FOUND IN COLLOIDAL FORM INSTEAD OF BEING PARTICULATE. IN THIS FLOCCULATION TEST, THE ANTIGEN - ANTIBODY COMPLEXES BECOME AGGREGATED IN SMALL FLOCCULES, WHICH SHOULD BE READ MICROSCOPICALLY USING A LOW POWER OBJECTIVE AT ... إقراء المزيد

WHAT ARE THE DISADVANTAGES OF USING RBCS AS CARRIER MOLECULES IN THE PASSIVE HEMAGGLUTINATION TEST? 1-THE FREQUENT PRESENCE OF NATURAL HETEROPHILE AB TO THE RBCS IN TESTED SERUM. IT CAN PRODUCE FALSE AGGLUTINATION. 2-THE NATURAL PRESENCE OF COMPLEMENT PROTEINS IN SERUM: THIS COMPLEMENT IF REACTED WITH ... إقراء المزيد

LATEX AGGLUTINATION TEST: USE OF POLYSTYRENE LATEX PARTICLES COATED WITH ANTIGENS FOR DETECTION OF ANTIBODIES IN PATIENT SERUM E.G., RHEUMATOID FACTOR IN SERUM OF DOGS. إقراء المزيد

PRINCIPAL OF CARRIER PARTICLE-AGGLUTINATION TEST إقراء المزيد

TYPES OF HEMAGGLUTINATION REACTIONS: THERE ARE 2 MAIN TYPES: BIOLOGICAL HEMAGGLUTINATION. IMMUNOLOGICAL HEMAGGLUTINATION: THIS INCLUDE 2.1. DIRECT HEMAGGLUTINATION. 2.2. INDIRECT OR PASSIVE HEMAGGLUTINATION. إقراء المزيد

_ BACILLUS_ إقراء المزيد

_CLADOSPORIUM_ IS A GENUS OF FUNGI INCLUDING SOME OF THE MOST COMMON INDOOR AND OUTDOOR MOLDS. SPECIES PRODUCE OLIVE-GREEN TO BROWN OR BLACK COLONIES, AND HAVE DARK-PIGMENTED CONIDIA THAT ARE FORMED IN SIMPLE OR BRANCHING CHAINS. MANY SPECIES OF CLADOSPORIUM ARE COMMONLY FOUND ON LIVING AND ... إقراء المزيد

AGGLUTINATION TEST: IT IS AN ANTIGEN ANTIBODY INTERACTION IN WHICH: THE AG IS FOUND IN SUSPENDED FORM (PARTICULATE ANTIGENS E.G., BACTERIAL CELLS). THE AG- AB IMMUNE COMPLEXES APPEAR IN A FORM OF CLUMPS OR AGGREGATES. إقراء المزيد

FORMS OF AGGLUTINATION 1- DIRECT 2-INDIRECT إقراء المزيد

BLOOD GROUPING SLIDE AGGLUTINATION TEST: IT IS DIRECT AGGLUTINATION TEST (HEMAGGLUTINATION). IT IS QUALITATIVE TEST. A PATIENT'S RED BLOOD CELLS CAN BE MIXED WITH ANTIBODY TO A BLOOD GROUP ANTIGEN (ANTI-A ,ANTI-B ANTI-D) TO DETERMINE A PERSON'S BLOOD TYPE. إقراء المزيد