Zobrazeno 1 - 10
of 16
pro vyhledávání: '"W. S. Chelack"'
Publikováno v:
Journal of food protection. 55(12)
Effects of irradiation and fumigation on ochratoxin A production by Aspergillus alutaceus in barley were compared. Ochratoxin A production was enhanced relative to untreated controls, if the toxigenic fungus was inoculated into the grain following ir
Publikováno v:
Applied and Environmental Microbiology. 57:2487-2491
The present studies, using Aspergillus alutaceus var. alutaceus Berkeley et Curtis (formerly A. ochraceus Wilhelm) NRRL 3174 along with three other wild-type strains, were undertaken in an attempt to understand the effects of irradiation and other tr
Publikováno v:
Canadian Journal of Microbiology. 20:307-320
Survival data were obtained on Acholeplasma laidlawii B after exposure to ionizing radiation at various ages, pH, temperature, and supplements to the medium. The D0 value varied slightly with pH in air but much more after irradiations in N2 or N2O. R
Autor:
W. A. F. Hagborg, W. S. Chelack
Publikováno v:
Canadian Journal of Botany. 40:957-963
A simple medium was found for the production of antibiotic P-9 used in experiments for the control of stem rust of wheat.A rust-infection bioassay method for the estimation of the potency of different production lots of filtrate was developed; potenc
Publikováno v:
Canadian Journal of Botany. 39:1725-1732
Recurrent outbreaks of stem rust, Puccinia graminis Pers. f. sp. tritici Erikss. & Henn., following the widespread use of previously rust-resistant wheat varieties have emphasized the need of alternative means of rust control. A new antibiotic, P-9,
Publikováno v:
Canadian Journal of Botany. 41:1-12
Attempts were made to isolate the substance or substances in whey responsible for the inhibition of infection with the barley stripe mosaic virus (BSMV). The fractions isolated were bioassayed to determine their potency. The bioassay method is descri
Autor:
W. S. Chelack, W. A. F. Hagborg
Publikováno v:
Canadian Journal of Botany. 38:111-116
The results of experimental applications of whole milk and whey to stripe mosaic virus inoculum or to barley plants prior to inoculation in the greenhouse established that contact transmission of stripe mosaic of barley was strongly inhibited by both
Autor:
A. Petkau, W. S. Chelack
Publikováno v:
Canadian Journal of Chemistry. 50:1448-1452
The electrochemical reduction of silver ions at the surface of a model phospholipid membrane proceeds without the application of an electric field. The silver deposition is dependent on I− and I2. The charge transfer complexes formed by iodine with
Publikováno v:
International journal of radiation biology and related studies in physics, chemistry, and medicine. 29(3)
Publikováno v:
Research communications in chemical pathology and pharmacology. 15(4)
Intravenously injected 125I-bovine superoxide dismutase in mice is essentially cleared from organs in 24 h. The 125I activity per g of tissue at 1 h varies among organs with the brain and kidneys showing the lowest and highest levels, respectively. W