Darkfield

Darkfield

A technique of microscope examination in which light is directed at an oblique angle through the slide so that organisms look bright against a dark background.
Mentioned in: Syphilis
References in periodicals archive ?
The researchers used several methods for examining the cultures for spirochetes including light and darkfield microscopy, silver staining, immunohistochemical staining, molecular hybridization, and PCR analysis.
Furthermore, the growing adoption of novel technologies such as Enzyme Immunoassay (EIA) tests, Darkfield microscopy and Microhemagglutination (MHA-TP) assay enables faster and improved screening results - thus provides additional boost to the market growth.
Motile spirochetes were observed in the blood by darkfield microscopy, and 100 [micro]L of sample was inoculated intraperitoneally into 1 laboratory mouse (Mus musculus) to amplify and isolate spirochetes as described (10).
Darkfield microscopy is not utilized to a great extent today in hospital microbiology laboratories.
Among the topics are light and color, diffraction and spatial resolution, phase contrast microscopy and darkfield microscopy, the fluorescence imaging of dynamic molecular processes, super-resolution imaging, and digital image processing.
32-36) Of course, FISH requires darkfield microscopy with special equipment and is not a routine procedure for many surgical pathologists.
The Darkfield Quebec colony counter is available in two models.
The plates were examined under darkfield microscopy.
Scanning transmission electron microscopy (STEM) images were obtained with a high angle annular darkfield (HAADF) detector (Z contrast).
This halogen bulb is excellently suited not only for brightfield reflected light but especially for darkfield and differential interference contrast in circularly polarized light (C-DIC) as well as Polarized light.
The Anywhere Mouse MXao features LogitechA Darkfield Laser Trackingao technology ensuring it works perfectly on virtually any surface -- be it glass, granite or lacquered wood.
This is made possible by the company's Darkfield laser tracking technology, according to the report.