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Test to determine the presence of blood infection (e.g. SEPSIS; BACTEREMIA).

Self evaluation of whole blood glucose levels outside the clinical laboratory. A digital or battery-operated reflectance meter may be used. It has wi…

Testing erythrocytes to determine presence or absence of blood-group antigens, testing of serum to determine the presence or absence of antibodies to…

Measurement of rate of settling of ERYTHROCYTES in blood.

The taking of a blood sample to determine its character as a whole, to identify levels of its component cells, chemicals, gases, or other constituent…

The urea concentration of the blood stated in terms of nitrogen content. Serum (plasma) urea nitrogen is approximately 12% higher than blood urea nit…

Blood urea nitrogen is a renal and metabolic laboratory parameter used in severity criteria and dehydration or renal assessment.

A method that is derived from western blotting (BLOTTING, WESTERN) and is used to detect protein-protein interactions. The blotted proteins are probe…

Detection of RNA that has been electrophoretically separated and immobilized by blotting on nitrocellulose or other type of paper or nylon membrane f…

A method (first developed by E.M. Southern) for detection of DNA that has been electrophoretically separated and immobilized by blotting on nitrocell…

A method that is used to detect DNA-protein interactions. Proteins are separated by electrophoresis and blotted onto a nitrocellulose membrane simila…

Identification of proteins or peptides that have been electrophoretically separated by blot transferring from the electrophoresis gel to strips of ni…

The total amount of a chemical, metal or radioactive substance present at any time after absorption in the body of man or animal.

Any tests done on exhaled air.

Washing liquid obtained from irrigation of the lung, including the BRONCHI and the PULMONARY ALVEOLI. It is generally used to assess biochemical, inf…

Inflammatory marker measured in blood.

Determination, by measurement or comparison with a standard, of the correct value of each scale reading on a meter or other measuring instrument; or …

The measurement of the quantity of heat involved in various processes, such as chemical reactions, changes of state, and formations of solutions, or …

Differential thermal analysis in which the sample compartment of the apparatus is a differential calorimeter, allowing an exact measure of the heat o…

Calculation of the energy expenditure in the form of heat production of the whole body or individual organs based on respiratory gas exchange.

A separation technique which combines LIQUID CHROMATOGRAPHY and CAPILLARY ELECTROPHORESIS.

Isoelectric focusing in capillary gels instead of slab gels. Capillary gel electrophoresis generally allows higher resolution, higher detection sensi…

Magnetic resonance spectroscopy involving detection of changes in the resonance of carbon-13 nuclei in organic molecules.

Tests to experimentally measure the tumor-producing/cancer cell-producing potency of an agent by administering the agent (e.g., benzanthracenes) and …

Ratio of T-LYMPHOCYTES that express the CD4 ANTIGEN to those that express the CD8 ANTIGEN. This value is commonly assessed in the diagnosis and stagi…

The number of CELLS of a specific kind, usually measured per unit volume or area of sample.

Methods for maintaining or growing CELLS in vitro.

Methods for growing cells in a way that they form three-dimensional shapes, such as on a three-dimensionally shaped substrate or as free-falling aggr…

Specific assays that measure the migration of cells. They are commonly used to measure the migration of immune cells in response to stimuli and the i…

Assays that measure the rate of migration of LEUKOCYTES. They may involve a variety of techniques such as measuring the movement of leukocytes throug…