Results 151 to 160 of about 1,772 (205)

Aggregation of lasalocid A in membranes: a fluorescence study

Biochimica Et Biophysica Acta - Biomembranes, 1992
The aggregation behavior of the carboxylic ionophore, lasalocid A, has been studied in egg phosphatidylcholine vesicles by monitoring the intrinsic fluorescence of lasalocid A. Self quenching of lasalocid A fluorescence in vesicles of egg phosphatidylcholine suggests aggregation of lasalocid A.
Sneha Sudha Komath, Amitabha Chattopadhyay, B Raman   +2 more
exaly   +4 more sources

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Development of an ELISA for lasalocid and depletion kinetics of lasalocid residues in poultry

Food Additives and Contaminants, 1995
Polyclonal antibodies against the coccidiostat, lasalocid, were raised in sheep. The antisera were applied in an enzyme-linked immunosorbent assay (ELISA) for lasalocid, which was validated for chicken serum, liver and muscle. Bridge homology in the ELISA was overcome by absorbing unspecific antisera onto a conjugate between salinomycin and chicken ...
W John Blanchflower, W J Blanchflower, D Glenn Kennedy   +2 more
exaly   +3 more sources

Effect of Lasalocid on Fall-Calving Beef Cows

Journal of Animal Science, 1986
The effects of lasalocid on fall-calving beef cows were examined in a 196-d trial that began October 12, 1983. Forty-two crossbred cow-calf pairs were stratified to six groups by breed, calving date and sex of calf. Three replications of each of two treatments, 0 and 200 mg lasalocid X head-1 X d-1, were used. The cows were fed a combination of haylage
B, Hopman, D W, Weber
openaire   +3 more sources

The Total Synthesis of the Enantiomer of Lasalocid A [PDF]

, 1984
A convergent total synthesis of the enantiomer of the naturally occurring polyether antibiotic Lasalocid A (X-537A) and preliminary results of the biological testing of this compound are reported.
Fitzsimmons, Brian Joseph
openaire   +2 more sources

Toxic Effects of Lasalocid in Horses

American Journal of Veterinary Research, 1981
SUMMARY Lasalocid was given to horses in a series of sequentially increasing single oral doses ranging between 5 and 30 mg/kg of body weight, with an appropriate washout period between treatments. One of 5 horses died after a dosage of 15 mg/kg, 1 of 3 horses died after 21 mg/kg, 1 of 3 horses died after 22 mg/kg, and 1 of 2 horses died after 26 mg/kg.
L J, Hanson, H G, Eisenbeis, S V, Givens
openaire   +2 more sources

Synthesis of (+)-lasalocid aldehyde

The Journal of Organic Chemistry, 1989
La synthese du (S) benzyloxy-2 formyl-3' butyl-6 methyl-3 benzoate de benzyle est ...
Dennis Lee, W. Clark Still
openaire   +1 more source

Accidental poisoning of 17 dogs with lasalocid

Veterinary Record, 2004
Over a period of 10 days, 17 dogs became weak and developed neurological deficits of different degrees of severity. About 12 hours before these clinical signs appeared they had all eaten a particular brand of commercial dog food from a recently opened bag. They were all quadriparetic and hyporeflexic, and some of them also showed additional systemic or
G, Segev, G, Baneth, B, Levitin, A, Shlosberg, I, Aroch   +4 more
openaire   +2 more sources

Solution conformation of lasalocid and lasalocid-Na+ (X-537A)

Bioorganic Chemistry, 1976
Abstract The complete unraveling of the proton nuclear magnetic resonance spectra at high field strength of Lasalocid ( 1 ) and its sodium salt ( 2 ) in different solvents allowed the definition of their solution conformations. The free acid, a lozengeshaped molecule of 17 × 13 × 9 A is prefolded in a way almost identical to that of its sodium ...
openaire   +1 more source