mass spectrometry

... et al., 1996; Kemmei et al., 2009), ion chromatography /mass spectrometry (Bauer et al., 1999; Knepper et al., 2005), gas chromatography /mass spetrometry (Nishikawa and Okumura, 1995), and liquid ... for 3 min. The carrier gas (helium) flow rate was set at 1.2 mL/min. Mass spectrometry was carried out using a 5973 Mass Selective Detector (Hewlett Packard, Wilmington, DE, USA)...

Ngày tải lên: 05/09/2013, 10:15

... fast response. Mass spec- trometry-based methods are of particular interest for the on- line analysis of reactions, 1 due to their high sensitivity and high specificity. Tandem mass spectrometry ... organic chemistry. 2,3 Although direct infusion electrospray ioniz- ation spectrometry (ESI-MS) 4–9 and membrane introduction mass spectrometry (MIMS) 10–12 are gaining popularity in th...

Ngày tải lên: 14/02/2014, 08:20

... Proteome analysis of human colon cancer by two-dimensional difference gel electrophoresis and mass spectrometry. Proteomics 4, 793–811. 5 Roblick UJ, Hirschberg D, Habermann JK, Palmberg C, Becker ... colorectal cancer by com- bining two-dimensional polyacrylamide gel electrophore- sis with a strictly mass spectrometry- based approach for data analysis. Mol Cell Proteomics 5, 2092–2101....

Ngày tải lên: 16/02/2014, 15:20

... A functional polymorphism of apolipoprotein C1 detected by mass spectrometry Matthew S. Wroblewski 1 , Joshua T. Wilson-Grady 1 , Michael B. Martinez 1 , Raj ... that suggest the functional significance of this residue change. They Keywords apolipoprotein C1; mass spectrometry; polymorphism; protein–lipid contact surface Correspondence G. L. Nelsestuen, 6–155 ... with observed removal...

Ngày tải lên: 19/02/2014, 05:20

... experiments. For each experiment, mass spectra were acquired from duplicates. The accuracy in mass determination obtained for the different species was ± 2 U. Mass values given through- out the ... the natural enzyme. Keywords: onconase; cytotoxicity; recombinant protein activation; MALDI-TOF mass spectrometry. 4 N- or C-terminal modifications constitute post-translational modificatio...

Ngày tải lên: 19/02/2014, 12:20

... com- bined MS/MS of singly and doubly charged molecular ions in negative-ion electrospray mass spectrometry. J. Am. Soc. Mass Spectrom. 13, 670–679. 15. Domon, B. & Costello, C.E. (1988) A systematic ... E-selectin. Glycobiology 7, 861–872. 13. Chai, W., Piskarev, V. & Lawson, A.M. (2001) Negative-ion electrospray mass spectrometry of neutral underivatized oligo- saccharides....

Ngày tải lên: 19/02/2014, 12:20

... stereospecificity at C5 of coenzyme F 420 for F 420 H 2 oxidase from methanogenic Archaea as determined by mass spectrometry Henning Seedorf 1 ,Jo ¨ rg Kahnt 1 , Antonio J. Pierik 2 and Rudolf K. Thauer 1 1 ... nicotinamide adenine dinucleotide-linked oxidoreductases: electron impact and field desorption mass spectrometry. Anal Biochem 101, 413–420. 22 Warkentin E, Mamat B, Sordel-Klippe...

Ngày tải lên: 20/02/2014, 03:20

... Techniques for the Analysis of Organic Chemicals by Inductively Coupled Plasma Mass Spectrometry (ICP-MS) Petrochemical Authors Ed McCurdy & Don Potter Agilent Technologies ... Cheadle Royal Business Park Manchester, SK8 3GR UK Abstract Inductively Coupled Plasma Mass Spectrometry (ICP- MS) is used for the routine monitoring of trace and ultra-trace...

Ngày tải lên: 05/03/2014, 21:20

... soft ionization mass spectrometry. Int J Mass Spectrom 216, 1–27. 54 Heck AJR & van den Heuvel RHH (2004) Investigation of intact protein complexes by mass spectrometry. Mass Spectrom Rev 23, ... (1998) Fourier transform ion cyclotron resonance mass spec- trometry: a primer. Mass Spectrom Rev 17, 1–35. 56 Smith RD (2000) Evolution of ESI -mass spectrometry and Fourier tra...

Ngày tải lên: 07/03/2014, 17:20

... atoms of pyruvate, the mass isotopomer distribution of which is reflected in this of alanine. Therefore, the mass isotopomer distribution of Glu can be estimated from the mass isotopomer distribution ... least reliable mass isotopomer fractions were considered in the flux analysis. Discussion In the work described, we examined the extent to which mass isotopomer measurements of biomas...

Ngày tải lên: 08/03/2014, 08:20