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Physical Sciences and Mathematics Commons

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Chemistry

Masters Theses

2013

Metabolomics

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Full-Text Articles in Physical Sciences and Mathematics

Relative And Absolute Quantitation Of Metabolites And Lipids Using Lc/Ms/Ms On The Tsq Quantum Discovery Max, Jesse Lee Middleton May 2013

Relative And Absolute Quantitation Of Metabolites And Lipids Using Lc/Ms/Ms On The Tsq Quantum Discovery Max, Jesse Lee Middleton

Masters Theses

Two biological systems were studied using LC/ESI/MS/MS on a triple quadrupole operated in SRM (selected reaction monitoring) scan mode. The first bacterium system is aquatic and microscopic in size known as Roseobacter. The second mammalian system is terrestrial and large in size relative to humans known as Holstein cows.

Roseobacter is a clade of marine bacteria abundant in the ocean. Roseophages are viruses that infect Roseobacter and cause viral lysis. Sulfitobacter sp. 2047 was isolated and infected with Roseophages, and the fold change in the metabolic pool relative to a control was studied at discrete time points. The absolute concentration …