Roybal JE - Search Results

1

Liquid chromatographic determination of flumequine, nalidixic acid, oxolinic acid, and piromidic acid residues in catfish (Ictalurus punctatus).

Munns RK, Turnipseed SB, Pfenning AP, Roybal JE, Holland DC, Long AR, Plakas SM. Munns RK, et al. Among authors: roybal je. J AOAC Int. 1998 Jul-Aug;81(4):825-38. J AOAC Int. 1998. PMID: 9680708

2

Liquid chromatographic determination of diminazene diaceturate (Berenil) in raw bovine milk.

Roybal JE, Pfenning AP, Storey JM, Gonzales SA, Turnipseed SB. Roybal JE, et al. J AOAC Int. 2003 Sep-Oct;86(5):930-4. J AOAC Int. 2003. PMID: 14632393

3

Liquid chromatographic determination of malachite green and leucomalachite green (LMG) residues in salmon with in situ LMG oxidation.

Andersen WC, Roybal JE, Turnipseed SB. Andersen WC, et al. Among authors: roybal je. J AOAC Int. 2005 Sep-Oct;88(5):1292-8. J AOAC Int. 2005. PMID: 16385977

4

Determination and confirmation of malachite green and leucomalachite green residues in salmon using liquid chromatography/mass spectrometry with no-discharge atmospheric pressure chemical ionization.

Turnipseed SB, Andersen WC, Roybal JE. Turnipseed SB, et al. Among authors: roybal je. J AOAC Int. 2005 Sep-Oct;88(5):1312-7. J AOAC Int. 2005. PMID: 16385980

5

Concurrent determination of four fluoroquinolones in catfish, shrimp, and salmon by liquid chromatography with fluorescence detection.

Roybal J, Walker CC, Pfenning AP, Turnipseed SB, Storey JM, Gonzales SA, Hurlbut JA. Roybal J, et al. J AOAC Int. 2002 Nov-Dec;85(6):1293-301. J AOAC Int. 2002. PMID: 12477191

6

Liquid chromatographic determination of chlortetracycline hydrochloride in ruminant and poultry/swine feeds.

Holland DC, Faul KC, Roybal JE, Munns RK, Shimoda W. Holland DC, et al. Among authors: roybal je. J Assoc Off Anal Chem. 1991 Sep-Oct;74(5):780-4. J Assoc Off Anal Chem. 1991. PMID: 1783585

7

Liquid chromatographic determination of simazine, atrazine, and propazine residues in catfish.

Holland DC, Munns RK, Roybal JE, Hurlbut JA, Long AR. Holland DC, et al. Among authors: roybal je. J AOAC Int. 1995 Jul-Aug;78(4):1067-71. J AOAC Int. 1995. PMID: 7580319

8

Gas chromatographic/mass spectrometric confirmation of leucomalachite green in catfish (Ictalurus punctatus) tissue.

Turnipseed SB, Roybal JE, Hurlbut JA, Long AR. Turnipseed SB, et al. Among authors: roybal je. J AOAC Int. 1995 Jul-Aug;78(4):971-7. J AOAC Int. 1995. PMID: 7580338

9

Liquid chromatographic determination of the anticoccidial drug halofuginone hydrobromide in eggs.

Holland DC, Munns RK, Roybal JE, Hurlbut JA, Long AR. Holland DC, et al. Among authors: roybal je. J AOAC Int. 1995 Jan-Feb;78(1):37-40. J AOAC Int. 1995. PMID: 7703725

10

Determination of malachite green and its metabolite, leucomalachite green, in catfish (Ictalurus punctatus) tissue by liquid chromatography with visible detection.

Roybal JE, Pfenning AP, Munns RK, Holland DC, Hurlbut JA, Long AR. Roybal JE, et al. J AOAC Int. 1995 Mar-Apr;78(2):453-7. J AOAC Int. 1995. PMID: 7756862

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