Nodes

Microscopy of specimens stained with fluorescent dye (usually fluorescein isothiocyanate) or of naturally fluorescent materials, which emit light whe…

Fluorescence microscopy utilizing multiple low-energy photons to produce the excitation event of the fluorophore (endogenous fluorescent molecules in…

Microscopy in which the samples are first stained immunocytochemically and then examined using an electron microscope. Immunoelectron microscopy is u…

The science and application of a double-beam transmission interference microscope in which the illuminating light beam is split into two paths. One b…

A form of interference microscopy in which variations of the refracting index in the object are converted into variations of intensity in the image. …

Microscopy using polarized light in which phenomena due to the preferential orientation of optical properties with respect to the vibration plane of …

Scanning microscopy in which a very sharp probe is employed in close proximity to a surface, exploiting a particular surface-related property. When t…

A type of scanning probe microscopy in which a very sharp conducting needle is swept just a few angstroms above the surface of a sample. The tiny tun…

Microscopy in which the image is formed by ultraviolet radiation and is displayed and recorded by means of photographic film.

Microscopy in which television cameras are used to brighten magnified images that are otherwise too dark to be seen with the naked eye. It is used fr…

Analytical technique for studying substances present at enzyme concentrations in single cells, in situ, by measuring light absorption. Light from a t…

The technique of using a microtome to cut thin or ultrathin sections of tissues embedded in a supporting substance. The microtome is an instrument th…

Created as a target node for a staged ClinicalGraph edge. Review and enrich this node later if needed.

MOLECULAR BIOLOGY techniques used in the diagnosis of disease.

The use of molecularly targeted imaging probes to localize and/or monitor biochemical and cellular processes via various imaging modalities that incl…

Using MOLECULAR BIOLOGY techniques, such as DNA SEQUENCE ANALYSIS; PULSED-FIELD GEL ELECTROPHORESIS; and DNA FINGERPRINTING, to identify, classify, a…

Testing of immune status in the diagnosis and therapy of cancer, immunoproliferative and immunodeficiency disorders, and autoimmune abnormalities. Ch…

Methods for using more than one primer set in a polymerase chain reaction to amplify more than one segment of the target DNA sequence in a single rea…

Tests of chemical substances and physical agents for mutagenic potential. They include microbial, insect, mammalian cell, and whole animal tests.

Procedures for identifying types and strains of fungi.

Fluid obtained by THERAPEUTIC IRRIGATION or washout of the nasal cavity and NASAL MUCOSA. The resulting fluid is used in cytologic and immunologic as…

Polyacrylamide gel electrophoresis under conditions in which the components, such as PROTEINS, being separated can remain in their naturally folded s…

Negative blood cultures used as a ClinicalGraph target concept for lab_medicine / lab_finding.

The technique of washing tissue specimens with a concentrated solution of a heavy metal salt and letting it dry. The specimen will be covered with a …

Chemical analysis based on the phenomenon whereby light, passing through a medium with dispersed particles of a different refractive index from that …

The measurement of infection-blocking titer of ANTISERA by testing a series of dilutions for a given virus-antiserum interaction end-point, which is …

Activation analysis in which the specimen is bombarded with neutrons. Identification is made by measuring the resulting radioisotopes. (McGraw-Hill D…

Neutrophilic leukocytosis used as a ClinicalGraph target concept for investigation / lab_finding.

The analysis of cell-free fetal DNA or the DNA from fetal cells that are biopsied from a pregnant woman’s blood, to screen for genetically-determined…

Microscopic imaging techniques that utilize nonlinear responses of light-matter interactions which occur with high-intensity illumination, such as fr…