Drug – bio-affecting and body treating compositions – In vivo diagnosis or in vivo testing – Diagnostic or test agent produces in vivo fluorescence
Patent
1998-01-07
1999-12-07
Chin, Christopher L.
Drug, bio-affecting and body treating compositions
In vivo diagnosis or in vivo testing
Diagnostic or test agent produces in vivo fluorescence
424 91, 424 98, 435 71, 436501, 436172, 436811, 436815, 514881, G01N 3352, A61K 4900
Patent
active
059978473
ABSTRACT:
A method of detecting the infestation of a host by arthropod ectoparasites uses a fluorescent dye which stains the ectoparasites and/or their eggs but not the adjacent skin or hair to which they are attached. The dye can be incorporated into a shampoo or a rinsing solution and is applied to the scalp or other region of the host. After a suitable period of time has elapsed, the dye-containing solution or shampoo is rinsed off and the hair and adjacent area of the host examined under ultraviolet or near-ultraviolet light. Such illumination will cause the stained ectoparasites and/or eggs to glow and, thus, become easily detectable for diagnosis and subsequent removal. The method may be applied to detect scabies (i.e. skin-burrowing mites), head lice, body and pubic lice and to any other arthropod ectoparasites and their eggs containing a substantial percentage of chitin.
REFERENCES:
patent: 3625904 (1971-12-01), Nosler et al.
patent: 5353803 (1994-10-01), Cerra
patent: 5547665 (1996-08-01), Upton
patent: 5658750 (1997-08-01), Sheftel et al.
Chin Christopher L.
Grun James L.
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