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Articles 271 - 272 of 272

Full-Text Articles in Veterinary Medicine

The Gas-Liquid Chromatograph And The Electron Capture Detection In Equine Drug Testing., J. W. Blake, Thomas Tobin Jan 1976

The Gas-Liquid Chromatograph And The Electron Capture Detection In Equine Drug Testing., J. W. Blake, Thomas Tobin

Maxwell H. Gluck Equine Research Center Faculty Publications

Three gas-liquid chromatographic (G.L.C.) procedures discussed have been designed around the four "esses" of detection tests--speed, sensitivity, simplicity, and specificity. These techniques are admirably applicable to the very low plasma drug levels encountered in blood testing under pre-race conditions. The methods are equally applicable to post-race testing procedures, where both blood and urine samples are tested. Drugs can only rarely be detected by the electron capture detector (E.C.D.) without a prior derivatization step, which conveys to the drug(s) high electron affinity. Because of broad applicability, two derivatizing agents, heptafluorobutyric (HFBA) and pentafluorpropionic (PFPA) anhydrides are employed. The three techniques, allowing …


Process Of Producing Equine Viral Arteritis Vaccine And Product Thereof, John T. Bryans, William H. Mccollum, James C. Wilson, Elvis R. Doll Jun 1971

Process Of Producing Equine Viral Arteritis Vaccine And Product Thereof, John T. Bryans, William H. Mccollum, James C. Wilson, Elvis R. Doll

Veterinary Science Faculty Patents

A process is disclosed for producing an avirulent attenuated live virus vaccine for use in immunizing horses against equine viral arteritis and for simultaneously obviating the transmission of the disease from a vaccinated horse to a non-vaccinated horse. The invention also includes the product derived from practice of the process and typical examples of the efficacy of the product are disclosed.