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One of several skin tests to determine past or present tuberculosis infection. A purified protein derivative of the tubercle bacilli, called tubercul…

A cytologic technique for measuring the functional capacity of tumor stem cells by assaying their activity. It is used primarily for the in vitro tes…

Methods of comparing two or more samples on the same two-dimensional gel electrophoresis gel.

Centrifugation with a centrifuge that develops centrifugal fields of more than 100,000 times gravity. (McGraw-Hill Dictionary of Scientific and Techn…

Examination of urine by chemical, physical, or microscopic means. Routine urinalysis usually includes performing chemical screening tests, determinin…

Microscopic visualization and/or chemical analysis of the sediments in URINE.

Methods or procedures used to obtain samples of URINE.

The quantity of measurable virus in a body fluid. Change in viral load, measured in plasma, is sometimes used as a SURROGATE MARKER in disease progre…

Method for measuring viral infectivity and multiplication in CULTURED CELLS. Clear lysed areas or plaques develop as the VIRAL PARTICLES are released…

Process of growing viruses in live animals, plants, or cultured cells.

Inactivation of viruses by non-immune related techniques. They include extremes of pH, HEAT treatment, ultraviolet radiation, IONIZING RADIATION; DES…

A series of tests used to assess various functions of the eyes.

Electron microscopy techniques designed to reconstruct 3-D images at micrometer volume scales at nanometer (nm) level resolutions. Volume electron mi…

White blood cell casts used as a ClinicalGraph target concept for lab_medicine / lab_finding.

Measured count of white blood cells in blood.

The time required by whole blood to produce a visible clot.

serum agglutination; obsolete(?)

Analysis of the energy absorbed across a spectrum of x-ray energies/wavelengths to determine the chemical structure and electronic states of the abso…