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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Veterinary research communications 12 (1988), S. 375-382 
    ISSN: 1573-7446
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A radioimmunoassay for the trypanocidal drug isometamidium (ISMM) has been developed using antibodies produced in sheep immumzed against the drug cross-linked to human serum albumin. With 14C-ISMM as a radioligand, cross-reactivity of the antibodies was determined and found to be less than 3% with pyrithidium, diminazene and quinapyramine and about 13% with homidium. The limit of detection of ISMM in serum without prior extraction was 5.8 pmol/tube and within-assay and between-assay coefficients of variation were four and 14% respectively.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Veterinary research communications 13 (1989), S. 141-157 
    ISSN: 1573-7446
    Keywords: models ; pharmacokinetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Major advances in developing models for pharmacokinetic studies have been made in recent years, and different approaches can now be employed. These include the use of (1) compartmental models, (2) non-compartmental models, (3) physiological models, (4) population pharmacokinetic models, and (5) pharmacokinetic-pharmacodynamic models. Each of these approaches has both advantages and disadvantages. The important question of which of these is ‘ideal’ in veterinary pharmacokinetics has no simple answer. The selection and application of any one approach would depend on a number of factors, such as (1) the purpose of the study, (2) physicochemical properties and actions of drug, (3) specificity and sensitivity of the analytical methodology, (4) species of the animal, and (5) availability of funds. This paper reviews the models available for pharmacokinetic studies and indicates their possible application in veterinary pharmacology.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Biomedical Chromatography 3 (1989), S. 136-138 
    ISSN: 0269-3879
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: A high performance liquid chromatographic (HPLC) method for the determination of the anticoccidial and antitheilerial drug halofuginone in bovine plasma was developed. Samples were diluted with acetic acid (10%, v/v) and cleaned up on a Bond Elut C8 column. The analyte was eluted from the extraction column and chromatographed by reversed-phase HPLC using decylamine as a competing-ion reagent. Detection was by UV at 243 nm. Recovery from plasma was 75%, and within-day and between-day coefficients of variation were 5.23 and 6.35% respectively. The specificity and sensitivity of this method (limit of detection in plasma, 1 ng/mL) were sufficiently high to enable us to characterize the time course of the drug in plasma after oral administration of therapeutic doses to cattle.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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