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Bovine tissue

Dexamethasone bovine tissue liq-liq extraction phenyl silica CN UV 29... [Pg.255]

E. G. McEauglilin and J. D. Henion, Determination of dexamethasone in bovine tissues by coupled-column normal-phase liigh-performance liquid cliromatography and capil-laiy gas chromatography-mass specti ometiy , 7. Chromatogr. 529 1-19 (1990). [Pg.292]

T. M. P. Cliichila, P. O. Edlund, J. D. Henion, R. Wilson and R. L. Epstein, Determination of melengesti ol acetate in bovine tissues by automated coupled-column normal-phase high-performance liquid cliromatography , ]. Chromatogr. 488 389-406 (1989). [Pg.293]

Prior to analysis, the samples were chopped and finely ground with liquid nitrogen using a large Hobart (forage, hay, fodder, straw and bovine tissue samples) or a Wiley... [Pg.479]

Matsumoto et al. developed an immunoassay for the determination of clenbuterol in bovine and equine tissues and in bovine milk. The LOD of clenbuterol in milk, muscle, liver, kidney, small intestine, and adipose tissues was 0.1 qgkg Bovine tissue samples fortified wifh 1 qg kg of clenbuterol had recoveries that varied from 75 to 96%, but recoveries from milk samples were 99%. The authors utilized this method to estimate the clenbuterol withdrawal periods for cattle and horses. Cattle were treated with a bolus dose of either 0.3 or 0.6 qg kg body weight, by intravenous injection, and three animals were slaughtered at days 1, 6, and 9. Tissue clenbuterol levels were detectable only on day 1. Clenbuterol in milk was not detectable after a 2.5-day withdrawal period. Liver contained the highest clenbuterol concentration of the tissues measured, but this group did not measure eye tissues. [Pg.699]

Homish, R. E. and Wiest, J. R., Quantitation of spectinomycin residues in bovine tissues by ion-exchange high-performance liquid chromatography with post-column derivatization and confirmation by reversed-phase high performance chromatography-atmospheric pressure chemical ionization tandem mass spectrometry, /. Chromatogr. A, 812, 123, 1998. [Pg.312]

Gutierrez M, Forster FI, McConnell SA, et al. The detection of CD2+, CD4+, CD8+, and WC1+ T lymphocytes, B cells and macrophages in fixed and paraffin embedded bovine tissue using a range of antigen recovery and signal amplification techniques. Vet. Immunol. Immunopathol. 1999 71 321-334. [Pg.23]

Stevens, J.B. 1992. Disposition of toxic metals in the agricultural food chain. 2. Steady-state bovine tissue bio transfer factors. Environ. Sci. Technol. 26 1915-1921. [Pg.527]

Annand, A.M., J.H.P. Dingle, A.B. Heath, and W.A. Palmer. 1976. Residues of famphur in bovine tissues and milk following its application as a pour-on insecticide. Austral. Jour. Exper. Agricul. Anim. Husbandry 16 82-87. [Pg.1087]

Aprotinin is a polypeptide consisting of a chain of 58 amino acid residues, which inhibits stoichiometrically the activity of several proteolytic enzymes such as chymotrypsin, kallikrein, plasmin, and trypsin. Aprotinin is obtained from bovine tissues and purified by a suitable process. It is stored as a bulk solution or lyophilized powder. The amount of two related substances des-Ala-des-Gly-aprotinin and des-Ala-aprotinin is determined by CZE with a 100% analysis. The relative migration times are 0.98 for des-Ala-des-Gly-aprotinin and 0.99 for des-Ala-aprotinin, and the specified limits are 8.0 and 7.5%, respectively. [Pg.157]

Eprinomectin Bovine tissues Ol8 Bond-Elut NH2 DCM, toluene EtOH/EtOAc 285, 286... [Pg.592]

Five Bovine tissues Bond-Elut Silica... [Pg.593]

Dexamethasone Bovine tissues Bond-Elut Ci8 H2O, H20/Me0H, H2O/MeOH 346... [Pg.596]

Aminoglycosides Bovine tissues Bondesil Hexane, EtOAc, H2O, 0.05 M H2SO4 362... [Pg.604]

Bovine tissues and plasma Pentafluoropropionic anhydride GC-NICI-MS 9 ... [Pg.638]

Moxidectin Bovine tissues Methylimidazole, acetic LC-Fluorometric 59... [Pg.640]

Both ISP-MS in the SIM mode and pulsed amperometric detection were found to be suitable for the determination of aminoglycoside antibiotics in bovine tissues (124). Various stationary and mobile phases, and several ion-pairing reagents, were examined for efficient LC separation and optimum LC-MS sensitivity. [Pg.736]

Diethylstilbestrol is particularly difficult to quantitate below 1.0 ppb in bovine tissues, especially in liver, which is among the last tissues to contain diethystilbestrol after cattle are withdrawn from receiving tire drug (101, 102). Interferences from tissue matrix constitute a major problem that might be due to nonspecific interference of lipids and fatty compounds (103, 104). In addition, problems with false-positive results often appear in urine analysis unless a chromatographic step such as a solid-phase extraction cleanup (105, 106) is introduced. Simple sample preparation procedures such as those based on solvent extraction and liquid-liquid partitioning do not usually give satisfactory results (107, 108). [Pg.852]

Bovine tissues Ether extn, liq-liq partns. Silica gel column cleanup Radioimmunoassay H-DES 181... [Pg.854]

See other pages where Bovine tissue is mentioned: [Pg.312]    [Pg.317]    [Pg.221]    [Pg.579]    [Pg.123]    [Pg.124]    [Pg.47]    [Pg.162]    [Pg.202]    [Pg.433]    [Pg.433]    [Pg.434]    [Pg.434]    [Pg.434]    [Pg.435]    [Pg.435]    [Pg.593]    [Pg.593]    [Pg.594]    [Pg.595]    [Pg.604]    [Pg.638]    [Pg.639]    [Pg.640]    [Pg.640]    [Pg.643]    [Pg.643]    [Pg.835]    [Pg.855]   
See also in sourсe #XX -- [ Pg.273 , Pg.276 ]



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