Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Christopher L. Wrzesinski"'
Autor:
Cheryl Stephenson, Timothy Madsen, Christopher L. Wrzesinski, Yuhui Yang, Lawrence Deetz, Maureen Ngoh, Eva Zschiesche, Linnea J Newman
Publikováno v:
Journal of Applied Poultry Research. 27:449-452
SUMMARY Enramycin is a polypeptide antibiotic effective against pathogens of the gut flora. A fermentation product of Streptomyces fungidicus, enramycin, is a very large molecule that is not well absorbed from the intestinal lumen when consumed orall
Autor:
Dwayne Holifield, Richard G. Endris, Christopher L Wrzesinski, Louis S. Crouch, Nicole Bertrand, Patricia S. Gaunt
Publikováno v:
Aquaculture. 253:309-316
Florfenicol is a broad-spectrum antibiotic currently used in salmon aquaculture and proposed for use in channel catfish. A residue depletion study was performed under commercial aquaculture conditions to determine a withdrawal period. Market weight c
Measurement of the temporal transferability of indoxacarb to cotton gloves from spot-on treated dogs
Publikováno v:
Journal of toxicology and environmental health. Part A. 77(12)
The objectives of the studies reported herein were to (1) determine the minimum number of petting simulations required to load the maximum amount of test substance (indoxacarb) residue onto cotton gloves (the sampling medium) from spot-on treated dog
Autor:
Christopher L. Wrzesinski, Loretta R. S. Allen, Debra Luffer-Atlas, Byron H. Arison, Mohammad Mushtaq, Amechi C. Chukwudebe
Publikováno v:
Journal of Agricultural and Food Chemistry. 46:1181-1191
The half-life of [14C]4‘‘-deoxy-4‘‘-(epi-methylamino)avermectin B1a (MAB1a) benzoate (1 ppm) photodegradation in buffer (pH 7), natural pond water, and sensitized buffer (1% acetone in pH 7 buffer) determined at Three Bridges, NJ (latitude
Autor:
Loretta R. S. Allen, George A. Doss, William F. Feely, Louis S. Crouch, Christopher L. Wrzesinski
Publikováno v:
Journal of Agricultural and Food Chemistry. 45:4131-4136
The semisynthetic avermectin, emamectin benzoate (MK-0244), as well as other avermectins, is known to degrade rapidly and photolytically on plants, mostly to complex polar extractable residues. After [14C]emamectin benzoate treatment, extractable res
Publikováno v:
Journal of Agricultural and Food Chemistry. 45:2744-2757
Cabbage, after treatment with eight weekly applications of the semisynthetic avermectin at a 0.015 lb a.i./acre (1×) or a 5× rate, was collected at preharvest intervals (PHI) from 2 h to 10 d. For foliage at 2 h to 10 d PHI: (1) the total 14C-resid
Autor:
Byron H. Arison, John A. S. Smith, Deborah L. Zink, Louis S. Crouch, William J. A. VandenHeuvel, Christopher L. Wrzesinski
Publikováno v:
Journal of Agricultural and Food Chemistry. 44:304-312
Cabbage was treated with a single application of [14C]-MK-0244, a semisynthetic avermectin analogue, at 0.3 lb/acre and harvested 1 day after application. The wrapper leaf and exterior head surface of the cabbage were rinsed with methanol, and 12 deg
Publikováno v:
Journal of AOAC International. 86(3)
A method for quantifying florfenicol amine (FFA) in channel catfish muscle was validated according to U.S. Food and Drug Administration guidelines. FFA is the proposed marker residue for the veterinary antibiotic florfenicol in catfish muscle for reg
Publikováno v:
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association. 35(10-11)
The dermal absorption of the experimental avermectin insecticide emamectin benzoate was studied in the Rhesus monkey. Dermal absorption was calculated by comparing radioactivity levels in excreta following dermal application of the compound with thos