Orwa JA - Search Results

1

Isolation and structural characterization of colistin components.

Orwa JA, Govaerts C, Busson R, Roets E, Van Schepdael A, Hoogmartens J. Orwa JA, et al. J Antibiot (Tokyo). 2001 Jul;54(7):595-9. doi: 10.7164/antibiotics.54.595. J Antibiot (Tokyo). 2001. PMID: 11560379 Free article.

2

Characterization of polypeptide antibiotics of the polymyxin series by liquid chromatography electrospray ionization ion trap tandem mass spectrometry.

Govaerts C, Orwa J, Van Schepdael A, Roets E, Hoogmartens J. Govaerts C, et al. J Pept Sci. 2002 Feb;8(2):45-55. doi: 10.1002/psc.367. J Pept Sci. 2002. PMID: 11860028

3

Liquid chromatography-ion trap tandem mass spectrometry for the characterization of polypeptide antibiotics of the colistin series in commercial samples.

Govaerts C, Orwa J, Van Schepdael A, Roets E, Hoogmartens J. Govaerts C, et al. J Chromatogr A. 2002 Nov 8;976(1-2):65-78. doi: 10.1016/s0021-9673(02)00375-8. J Chromatogr A. 2002. PMID: 12462597

4

Liquid chromatography of polymyxin B sulphate.

Orwa JA, Van Gerven A, Roets E, Hoogmartens J. Orwa JA, et al. J Chromatogr A. 2000 Feb 18;870(1-2):237-43. doi: 10.1016/s0021-9673(99)00936-x. J Chromatogr A. 2000. PMID: 10722082

5

Isolation and structural characterization of polymyxin B components.

Orwa JA, Govaerts C, Busson R, Roets E, Van Schepdael A, Hoogmartens J. Orwa JA, et al. J Chromatogr A. 2001 Apr 6;912(2):369-73. doi: 10.1016/s0021-9673(01)00585-4. J Chromatogr A. 2001. PMID: 11330807

6

Study of the stability of polymyxins B(1), E(1) and E(2) in aqueous solution using liquid chromatography and mass spectrometry.

Orwa JA, Govaerts C, Gevers K, Roets E, Van Schepdael A, Hoogmartens J. Orwa JA, et al. J Pharm Biomed Anal. 2002 Jun 20;29(1-2):203-12. doi: 10.1016/s0731-7085(02)00016-x. J Pharm Biomed Anal. 2002. PMID: 12062679

7

Mass spectrometric fragmentation of cyclic peptides belonging to the polymyxin and colistin antibiotics studied by ion trap and quadrupole/orthogonal-acceleration time-of-flight technology.

Govaerts C, Rozenski J, Orwa J, Roets E, Van Schepdael A, Hoogmartens J. Govaerts C, et al. Rapid Commun Mass Spectrom. 2002;16(9):823-33. doi: 10.1002/rcm.644. Rapid Commun Mass Spectrom. 2002. PMID: 11948812

8

Sequencing of bacitracin A and related minor components by liquid chromatography/electrospray ionization ion trap tandem mass spectrometry.

Govaerts C, Li C, Orwa J, Van Schepdael A, Adams E, Roets E, Hoogmartens J. Govaerts C, et al. Rapid Commun Mass Spectrom. 2003;17(12):1366-1379. doi: 10.1002/rcm.1058. Rapid Commun Mass Spectrom. 2003. PMID: 12811761

9

Analysis of colistin sulfate by capillary zone electrophoresis with cyclodextrins as additive.

Kang J, Vankeirsbilck T, Van Schepdael A, Orwa J, Roets E, Hoogmartens J. Kang J, et al. Electrophoresis. 2000 Sep;21(15):3199-204. doi: 10.1002/1522-2683(20000901)21:15<3199::AID-ELPS3199>3.0.CO;2-8. Electrophoresis. 2000. PMID: 11001218

10

Structure elucidation of four related substances in gramicidin with liquid chromatography/mass spectrometry.

Govaerts C, Orwa J, Van Schepdael A, Roets E, Hoogmartens J. Govaerts C, et al. Rapid Commun Mass Spectrom. 2001;15(2):128-34. doi: 10.1002/1097-0231(20010130)15:2<128::AID-RCM205>3.0.CO;2-O. Rapid Commun Mass Spectrom. 2001. PMID: 11180541

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