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Method for Rapid Toxicity Testing of a Liquid Sample
(U.S. Patent and Trademark Office, 1995-05-16)
A toxicity testing assay wherein a test sample is prepared with electrochromic dye such as Di-4-ANEPPS and a living organism of the cladoceran order, Daphnia Spp. or other test organisms, and the sample is irradiated with ...
N-alkyl and N-acyl Derivatives of 3,7-diazabicyclo-[3.3.1]Nonanes and Selected Salts Thereof as Multi-class Antiarrhythmic Agents
(U.S. Patent and Trademark Office, 1995-11-21)
3,7-Diazabicyclo[3.3.1]nonanes and selected derivatives thereof of the general formula: ##STR1## are disclosed as multiclass antiarrhythmic agents.
Apparatus for Rapid Toxicity Testing of a Liquid Sample
(U.S. Patent and Trademark Office, 1995-10-17)
A toxicity testing assay wherein a test sample is prepared with electrochromic dye and a living organism of the cladoceran order or other test organisms, and the sample is irradiated with alternately blue and yellow light ...
Polarization Independent All-fiber Optical Circulator
(U.S. Patent and Trademark Office, 1995-03-21)
There is provided an optical circulator (16) for bidirectional communication on a fiber optic communication transmission system. Polarization preserving single-mode fiber lengths (26), (28) connect all-fiber polarization ...