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Liquid chromatography-mass spectrometry , microbore

Figure 5.6 Positive-ion electrospray spectrum obtained from the major component in the LC-MS analysis of a purified recombinant 62 kDa protein using a Cig microbore 50 X 1 mm column and a flow rate of 50 p.lmin . The starting buffer (buffer A ) was 0.1% TEA in water, while the gradient buffer (buffer B ) consisted of 0.1% TEA in acetonitrile-water (9 1 vol/vol). The running conditions consisted of 0% B for 5 min, followed by a linear gradient of 100% B for 55 min. Reprinted from J. Chromatogr., B, 685, McAtee, C. P., Zhang, Y., Yarbough, P. O., Fuerst, T. R., Stone, K. L., Samander, S. and Williams, K. R., Purification and characterization of a recombinant hepatitis E protein vaccine candidate by liquid chromatography-mass spectrometry , 91-104, Copyright (1996), with permission from Elsevier Science. Figure 5.6 Positive-ion electrospray spectrum obtained from the major component in the LC-MS analysis of a purified recombinant 62 kDa protein using a Cig microbore 50 X 1 mm column and a flow rate of 50 p.lmin . The starting buffer (buffer A ) was 0.1% TEA in water, while the gradient buffer (buffer B ) consisted of 0.1% TEA in acetonitrile-water (9 1 vol/vol). The running conditions consisted of 0% B for 5 min, followed by a linear gradient of 100% B for 55 min. Reprinted from J. Chromatogr., B, 685, McAtee, C. P., Zhang, Y., Yarbough, P. O., Fuerst, T. R., Stone, K. L., Samander, S. and Williams, K. R., Purification and characterization of a recombinant hepatitis E protein vaccine candidate by liquid chromatography-mass spectrometry , 91-104, Copyright (1996), with permission from Elsevier Science.
R. M. Caprioli, W. T. Moore, B. DaGue, and M. Martin, Microbore high-performance liquid chromatography-mass spectrometry for the analysis of proteolytic digests by continuous-flow fast-atom bombardment mass spectrometry, J. Chromatogr. 443, 355-362 (1988). [Pg.189]

Liquid chromatography-mass spectrometry (LC-MS) is an extremely power tool for the analysis of peptides, providing not only information on the purity of the product but also coMormation of structures. The s)rstem typically consists of a microbore HPLC system coupled to an electrospray mass spectrometer. Using such a system the composition of a crude peptide mixture can be quickly determined and by-products identified, enabling synthetic protocols to be rapidly optimized. [Pg.64]

Figure 4.5 Separation of two trialkyl lead and three organomercury species. Column 1.5mm i.d. x 5cm long flow rate lOOpimirT1 mobile phase 5mM ammonium pentanesulfonate in 20 80 v/v ACN-H20 (pH 3.4) injection volume 2jul, sample size, 40 pg (as Pb) for (Me)3Pb+, 80 pg (as Pb) for (Et)3Pb+ and 2 ng (as Hg) for each of the organomercury species. Taken from Speciation of mercury and lead compounds by microbore column liquid chromatography inductively coupled plasma chromatography mass spectrometry (Shum ef a/. 1992). Figure 4.5 Separation of two trialkyl lead and three organomercury species. Column 1.5mm i.d. x 5cm long flow rate lOOpimirT1 mobile phase 5mM ammonium pentanesulfonate in 20 80 v/v ACN-H20 (pH 3.4) injection volume 2jul, sample size, 40 pg (as Pb) for (Me)3Pb+, 80 pg (as Pb) for (Et)3Pb+ and 2 ng (as Hg) for each of the organomercury species. Taken from Speciation of mercury and lead compounds by microbore column liquid chromatography inductively coupled plasma chromatography mass spectrometry (Shum ef a/. 1992).
Shum, S.C.K., Pang, H. and Houk, R.S. (1992) Speciation of mercury and lead compounds by microbore column liquid chromatography inductively coupled plasma chromatography mass spectrometry. Anal. Chem., 64, 2444—2450. [Pg.87]

BARNES, K.A., SMITH, R.A., WILLIAMS, K., DAMANT, A.P., SHEPHERD, MJ.A., Microbore high performance liquid chromatography/electrospray ionization mass spectrometry method for the determination of the phytoestrogens genistein and daidzein in comminuted baby foods and soya flour, Rapid Comm. Mass Spectrom., 1998,12,130-138. [Pg.195]

Murry S, RendeU NB, Taylor GW. 1996. Microbore high-performance liquid chromatography-electrospray ionization mass spectrometry of steroid sulphates. J Chromatogr... [Pg.191]

Zell, M. Husser, C. Hopfgartner, G. Low picogram determination of Ro 48-6791 and its major metabolite, Ro 48-6792, in plasma with columnswitching microbore high-performance liquid chromatography coupled to ion spray tandem mass spectrometry. Rapid Commun. Mass Spectrom. 1997, 11, 1107-1114. [Pg.59]

Suter, M. J.-F., S. Riediker, and W. Giger, Selective determination of aromatic sulfonates in landfill leachates and groundwater using microbore liquid chromatography coupled with mass spectrometry , Anal. Chem., 71, 897-904 (1999). [Pg.1248]

Pergantis, S.A., Winnik, S.A. and Betowski, D. (1997) Determination of ten organoarsenic compounds using microbore high-performance liquid chromatography coupled with electrospray mass spectrometry mass spectrometry. J. Anal. At. Spectrom., 12, 531-536. [Pg.87]

Zhao, Y.-Y., S. Hrudey, and X.-F. Li. 2006. Determination of microcystins in water using integrated sobd-phase microextraction with microbore high-performance liquid chromatography-electrospray quadruple time-of-flight mass spectrometry../. Chromatogr. Sci. 44 359-365. [Pg.470]

Zheng, B., Hinlelmann, H. Hyphenation of high performance liquid chromatography with sector field inductively coupled plasma mass spectrometry for the determination of ultra-trace level anionic and cationic arsenic compounds in freshwater fish. J Anal At Spectrom 2004,19, 191-195. Pergantis, S. A., Heithmar, E. M., Hinners, T. A. Speciation of arsenic animal feed additives by microbore high-performance liquid chromatography with inductively coupled plasma mass spectrometry. Analyst 1997, 122, 1063-1068. [Pg.265]

Straub, R. Linder, M. Voyksner, R.D. Determination of p-lactam residues in milk using perfusive-particle liquid chromatography combined with ultrasonic nebulization electrospray mass spectrometry. AreoZ. Chew., 1994, 66, 3651-3658 [milk electrospray LC-MS microbore LOD 10 ppb extracted amoxicillin, ceftiofur, cephapirin, cloxacillin, penicillin G]... [Pg.120]

Bitsch, R Ma, W. Macdonald, R Nieder, M. Shackleton, C.H. Analysis of taxol and related diterpenoids from cell cultures by liquid chromatography-electrospray mass spectrometry. J.Chromatogr., 1993, 615, 273-280 [LC-MS electrospray microbore gradient LOD 100 pg]... [Pg.1084]

Haynes, R, I. Miller, R. Aebersold, M. Gemeiner, I. Eberini, M. R. Lovati, C. Manzoni, M. Vignati, and E. Gianazza. 1998. Proteins of rat serum I. Establishing a reference two-dimensional electrophoresis map by immunodetection and microbore high-performance liquid chromatography-electrospray mass spectrometry. Electrophoresis 19 1484-1492. [Pg.180]

Creaser, C.S., Lill, J.R., Bonner, P.L., Hill, S.C., and Rees, R.C., 2000, Nano-electrospray and microbore liquid chromatography-ion trap mass spectrometry studies of copper complexation with MHC restricted peptides. Analyst 125 599-603. [Pg.135]

Lai, C.-C. Tsai, C.-H. Tsai, F.-J. Lee, C.-C. Lin, W.-D. Rapid monitoring assay of congenital adrenal hyperplasia with microbore high-performance liquid chromatography/ electrospray ionization tandem mass spectrometry from... [Pg.231]

Baraco, M. Rivera, J. Caixach, J. Analysis of cyanobacterial hepatotoxins in water samples by microbore reversed-phase liquid chromatography-electrospray ionization mass spectrometry. J. Chromatogr. A, 2002, 959, 103-111. [Pg.1489]

BE Payer, CA Huselton, WA Garland, DJ Liberato. Quantification of acitretin in human plasma by microbore liquid chromatography-negative chemical ionization mass spectrometry. J Chromatogr 568 135-144, 1991. [Pg.83]

Lee, E. D. Henion, J. D. Covey, T. R. Microbore high performance liquid chromatography-ion spray mass spectrometry for the determination of peptides. J. Microcolumn Sep. 1989, 1, 14—18. [Pg.118]

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