direct immunofluorescence

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direct immunofluorescence (DIF),

fluorescence microscopy of tissue from lesions after application of labeled antibodies.
See also: fluorescent antibody technique.

direct im·mu·no·fluor·es·cence

(dĭr-ekt' im'yū-nō-flōr-es'ĕns)
Fluorescence microscopy of tissue from lesions after application of labeled antibody.
See also: fluorescent antibody technique
References in periodicals archive ?
Direct immunofluorescence of perilesional mucosa reveals linear deposits of IgG and complement in the subepidermal basement membrane zone.
Miller H, Milk R, Diaz-Mitoma F: Comparison of the VIDAS RSV assay and the Abbott Testpack RSV with direct immunofluorescence for detection of respiratory syncytial virus in nasopharyngeal aspirates, J Clin Microbiol 1993; 31: 1336-8.
Direct immunofluorescence is performed with nasopharyngeal aspirates to detect viral antigen on pharyngeal columnar epithelial cells by staining them directly with fluorescent antibody.
The Wave Direct IF assay provides clinical and research pathology labs with the ability to perform rapid, direct Immunofluorescence on the Wave System," Lusk said.
Direct immunofluorescence study in patients with lichen planus.
In addition to the new Influenza A H1N1 (Swine Flu) RNA Real-Time RT-PCR Test, Quest Diagnostics' regional laboratories, including the Focus Diagnostics reference laboratory, perform a broad range of testing services to detect Influenza viruses, including PCR, rapid cell culture, direct immunofluorescence (DFA) and enzyme immunoassay (EIA) techniques.
Margesson recommends performing biopsies for both histopathology and direct immunofluorescence.
Antigenic analysis by direct immunofluorescence of 114 isolates of Rickettsia tsutsugamushi recovered from febrile patients in rural Malaysia.
Histopathology, direct immunofluorescence (DIF), indirect immunofluorescence (IIF), or a combination of the three confirmed the diagnosis of PV or PF.
Direct immunofluorescence studies on perilesional or even normal skin reveal granular deposits of IgA with or without C3 deposits at the dermal-epidermal junction.
2) In this study, which was carried out during the 2009 Influenza A/H1N1 (swine flu) outbreak in New York, 1,382 patient samples were initially tested with a variety of methods including rapid antigen tests, direct immunofluorescence, and rapid virus culture.
An improved and cost-effective methodology for the reduction of autofluorescence in direct immunofluorescence studies on formalin-fixed paraffin-embedded tissues.

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