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  1. No Access

    Article

    Variation of selenium concentration in toenails following long-term storage, washing and reactor irradiation

    Neutron activation analysis of toenails is often used to monitor body selenium in studies looking for an association between selenium deficiency and an increased cancer risk. In this study, 87 toenail samples ...

    J. St-Pierre, R. Kada, G. Kennedy, J. Zayed… in Journal of Radioanalytical and Nuclear Che… (2006)

  2. No Access

    Article

    Trends and characteristics of part-time farming in post-war Japan

    Part-time farming is a wide-spread phenomenon in contemporary rural Japan. Characterized by an extremely small-scale rice farming and by a unimodal equitable rural development, most Japanese farm households ha...

    R. Kada in GeoJournal (1982)

  3. No Access

    Article

    Investigation of the lability of furan and its derivatives in nucleophilic substitution reactions by the mindo/3 method

    The a complexes of furan, thiophene, pyrrole, pyridine, and benzene with the hydride ion were calculated by the MINDO/3 method. The affinities of the indicated aromatic rings and a number of substituted furans...

    A. F. Pronin, J. Kovač, R. Kada, V. G. Kharchenko in Chemistry of Heterocyclic Compounds (1979)

  4. No Access

    Chapter

    Thermal Analysis of Aminobenzimidazoles

    Some of 1-aryl-5 aminobenzimidazoles were prepared by reduction of nitroderivates with SnC12 and HC1 in acetic acid. The complex salt obtained was decomposed by sodium hydroxide solution and purified by crystaliz...

    P. Králik, R. Kada, A. Jurášek in Thermal Analysis (1972)

  5. No Access

    Article

    Antibiotics and apochlorosis

    Twenty-four out of 38 5-nitrofuran derivatives caused bleaching ofEuglena gracilis similar to that produced by streptomycin, erythromycin and other antibiotics. Derivatives with electron-donor substituents in the

    L. Ebringer, A. Jurášek, R. Kada in Folia Microbiologica (1967)

  6. No Access

    Article

    Furan derivatives their common molecular denominator responsible for bleaching of Euglena gracilis

    We studied the effect of 38 furan derivatives on the green micro-organism Euglena gracilis and on Bacillus subtilis and Escherichia coli, with the aim of finding the common molecular denominator responsible for b...

    L. Ebringer, R. Krkoška, M. Mačor, A. Jurášek, R. Kada in Archiv für Mikrobiologie (1967)