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The process of gaining approval by a government regulatory agency for DIAGNOSTIC REAGENTS AND TEST KITS. This includes any required preclinical or cl…

Diagnostic procedures, such as laboratory tests and x-rays, routinely performed on all individuals or specified categories of individuals in a specif…

A process of selective diffusion through a membrane. It is usually used to separate low-molecular-weight solutes which diffuse through the membrane f…

A technique of measuring the dielectric properties of materials, which vary over a range of frequencies depending on the physical properties of the m…

Technique by which phase transitions of chemical reactions can be followed by observation of the heat absorbed or liberated.

The closeness of a determined value of a physical dimension to the actual value.

A method where a culturing surface inoculated with microbe is exposed to small disks containing known amounts of a chemical agent resulting in a zone…

The separation and isolation of tissues for surgical purposes, or for the analysis or study of their structures.

A chemical process for separating the components of a liquid mixture by boiling and collecting condensed vapors.

The presence of DNA from a source foreign to the sample being analysed.

Techniques for using whole blood samples collected on filter paper for a variety of clinical laboratory tests.

An analytical technique for measuring particle size of molecules that are less than a micron in diameter dispersed or dissolved in a liquid.

Dysmorphic red blood cells in urine used as a ClinicalGraph target concept for lab_medicine / lab_finding.

The utilization of an electrical current to measure, analyze, or alter chemicals or chemical reactions in solution, cells, or tissues.

Destruction by passage of a galvanic electric current, as in disintegration of a chemical compound in solution.

A tomographic technique for obtaining 3-dimensional images with transmission electron microscopy.

Identification and measurement of ELEMENTS and their location based on the fact that X-RAYS emitted by an element excited by an electron beam have a …

A technique applicable to the wide variety of substances which exhibit paramagnetism because of the magnetic moments of unpaired electrons. The spect…

The motion of a liquid through a membrane (or plug or capillary) consequent upon the application of an electric field across the membrane. (Oxford Di…

An electrochemical process in which macromolecules or colloidal particles with a net electric charge migrate in a solution under the influence of an …

Electrophoresis in which agar or agarose gel is used as the diffusion medium.

A highly-sensitive (in the picomolar range, which is 10,000-fold more sensitive than conventional electrophoresis) and efficient technique that allow…

Electrophoresis in which cellulose acetate is the diffusion medium.

Electrophoresis in which discontinuities in both the voltage and pH gradients are introduced by using buffers of different composition and pH in the …

Gel electrophoresis in which the direction of the electric field is changed periodically. This technique is similar to other electrophoretic methods …

Electrophoresis in which a second perpendicular electrophoretic transport is performed on the separate components resulting from the first electropho…

A highly miniaturized version of ELECTROPHORESIS performed in a microfluidic device.

Electrophoresis in which paper is used as the diffusion medium. This technique is confined almost entirely to separations of small molecules such as …

Electrophoresis in which a polyacrylamide gel is used as the diffusion medium.

Electrophoresis in which a starch gel (a mixture of amylose and amylopectin) is used as the diffusion medium.