Nodes

Experimental transplantation of neoplasms in laboratory animals for research purposes.

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…

The scattering of NEUTRONS by matter, especially crystals, with accompanying variation in intensity due to interference effects. It is useful in CRYS…

Increased cerebrospinal fluid leukocytes with neutrophil predominance.

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…

Normal blood glucose excluding hypoglycemia used as a ClinicalGraph target concept for lab_medicine / lab_finding.

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

Normal serum creatinine used as a ClinicalGraph target concept for lab_medicine / lab_finding.

Normal serum prolactin between seizures used as a ClinicalGraph target concept for lab_medicine / lab_finding.

NMR spectroscopy on small- to medium-size biological macromolecules. This is often used for structural investigation of proteins and nucleic acids, a…

A method of simultaneously imaging and measuring elements at the submicron level. Nuclear microscopy uses a focused high-energy ion beam of PROTONS a…

Techniques for measuring specific nucleic acid interaction with another nucleic acid or with a protein by digestion of the non-interacting nucleic ac…

Laboratory techniques that involve the in-vitro synthesis of many copies of DNA or RNA from one original template.

Disruption of the secondary structure of nucleic acids by heat, extreme pH or chemical treatment. Double strand DNA is melted by dissociation of the …

Widely used technique which exploits the ability of complementary sequences in single-stranded DNAs or RNAs to pair with each other to form a double …

Chemical, spectroscopic, or microscopic detection of extremely small amounts of blood.

Oligoclonal bands in cerebrospinal fluid used as a ClinicalGraph target concept for lab_medicine / lab_finding.

Hybridization of a nucleic acid sample to a very large set of OLIGONUCLEOTIDE PROBES, which have been attached individually in columns and rows to a …

A technique to generate restriction maps from single large DNA molecules by spreading the DNA onto a glass surface, digesting with DNA RESTRICTION EN…

The method of measuring the dispersion of an optically active molecule to determine the relative magnitude of right- or left-handed components and so…

A technique that uses LASERS to trap, image, and manipulate small objects (biomolecules, supramolecular assembles, DENDRIMERS) in three dimensional s…

The combination of genetic and optical methods in controlling specific events with temporal precision in targeted cells of a functioning intact biolo…

A technique for maintenance or growth of animal organs in vitro. It refers to three-dimensional cultures of undisaggregated tissue retaining some or …

RED BLOOD CELL sensitivity to change in OSMOTIC PRESSURE. When exposed to a hypotonic concentration of sodium in a solution, red cells take in more w…

A measure of the ability of a substance, such as a food, to quench oxygen free radicals in vitro.

PaO2/FiO2 ratio is an oxygenation parameter used in respiratory failure and organ dysfunction scoring.