86 results found

Search Results for: antibody

Antibody

Definition noun, plural: antibodies Any of the numerous Y-shaped gamma globulin proteins found in the blood or lymph, and... Read More

Antibody diversity

Antibody diversity The phenomenon of immense variability characteristic of antibodies, which enables the immune system to... Read More

Incomplete antibody

Incomplete antibody --> univalent antibody An incomplete form of antibody that may coat antigen, but which according to... Read More

Reaginic antibody

reaginic antibody --> homocytotropic antibody (Science: immunology) A type of antibody which is able to attach itself to... Read More

Blocking antibody

Blocking antibody An antibody used in a reaction to prevent some other reaction taking place, for example one antibody... Read More

Neutralizing antibody

Definition noun An antibody that is capable of keeping an infectious agent, usually a virus, from infecting a cell by... Read More

Antigen-antibody complex

Antigen-antibody complex The complex formed by the binding of antigen and antibody molecules. The deposition of large... Read More

Bivalent antibody

Bivalent antibody antibody that causes a visible reaction with specific antigen as in agglutination, precipitation, and so... Read More

Antigen

Antigen Definition What is an antigen? A simple definition is that an antigen refers to any substance that triggers an... Read More

Antibody-forming cell

Antibody-forming cell (Science: immunology) b-cells (plasma cells) that are dedicated to producing secreted... Read More

Monoclonal antibody

monoclonal antibody (Science: immunology molecular biology) A substance, usually a protein, which can be synthsised in the... Read More

Complement fixation test

Definition noun (immunology) A form of immunological test for the detection of the presence of either a particular antibody... Read More

Reverse passive agglutination

Definition noun A type of agglutination reaction in which known antibody is bound to a carrier particle instead of the... Read More

Immune response

Immune Response Definition An immune response is defined as the reaction of the body in response to the presence of a... Read More

coronavirus COVID-19

Coronavirus Disease 2019 (COVID-19) Coronavirus Disease 2019 (COVID-19) is a contagious coronavirus disease first detected... Read More

Opsonization

Definition noun, plural: opsonizations The process at which opsonins bind to the surface of the antigen so that the... Read More

Bacteriolysin

Definition noun, plural: bacteriolysins (1) A specific antibody that combines with bacterial cells (antigens) and, in the... Read More

Passive and Active Types of Immunity

The previous tutorial investigated the role of white blood cells in phagocytosis. White blood cells are also responsible... Read More

Radial immunodiffusion

Definition noun A quantitative immunodiffusion technique used to detect the level of protein (antigen) in a sample by... Read More

Hemolysin

Definition noun, plural: hemolysins An agent or substance that causes hemolysis, i.e. the lysis of red blood cells resulting... Read More

Neutralisation

Definition noun (general) The act or process of making neutral. (chemistry) A chemical reaction in which an acid and a base... Read More

Immunoglobulin A

Definition noun An immunoglobulin (antibody) that is characterized by its α-heavy chain, and its prevalence in mucous... Read More

Immunoglobulin

Definition noun, plural: immunoglobulins (1) Any of several classes of structurally related glycoproteins in the blood... Read More

Agglutination

Agglutination Definition What does agglutination mean? It generally refers to the process of sticking together or the... Read More

Rosette formation

rosette formation The in vitro formation of clusters consisting of a cell (usually a lymphocyte) surrounded by antigenic... Read More

Lats

Lats --> long-acting thyroid stimulator (Science: endocrinology, immunology) a thyroid stimulating antibody which is... Read More

Avidity

Definition noun, plural: avidities The combined strength of bond affinities in a complex. Usage The term may be used in... Read More

Passive agglutination

Definition noun An agglutination reaction of inert particles coated with soluble antigen through an antiserum specific for... Read More

Affinity

Definition noun, plural: affinities (1) (taxonomy) The resemblances in structure between two organisms or between biological... Read More

Using Antibodies : A Laboratory Manual : Portable Protocol NO. I

 Using Antibodies : A Laboratory Manual : Portable Protocol NO. I   ... Read More

Autoimmune disease

Definition noun, plural: autoimmune diseases A type of disease as a result of an immune response of the body against own... Read More

Neutralization

Definition noun (general) The act or process of making neutral. (chemistry) A chemical reaction in which an acid and a base... Read More

Valence

Definition noun, plural: valences (biology, immunology) The relative capability of a substance (e.g. antibody) to act... Read More

Direct agglutination

Definition noun (1) An agglutination (macroscopic clumping) caused by one antibody. (2) A serological technique in which... Read More

Membrane attack complex

membrane attack complex --> complement (Science: immunology) A term originally used to refer to the heat labile factor in... Read More

Active agglutination

Definition noun An agglutination reaction in which the antigen is found naturally on particle Supplement Agglutination... Read More

Complement

Complement (Science: immunology) a term originally used to refer to the heat labile factor in serum that causes immune... Read More

Ring test

ring test --> ring precipitin test A precipitin test in which antigen solution is carefully layered over antibody solution... Read More

Alloimmunity

Definition noun, plural: alloimmunities (immunology) A type of immunity that produces an immune response that is attacking... Read More

Microsphere

A spherical shell that is usually made of a biodegradable or resorbable plastic polymer, that has a very small diameter... Read More