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Table 2 (abstract P-441). A. Mass analyses that led to the identification of oxoproline. B. Glutamine and ammonium measurements of medium from bioreactors (10 days 33°C and 37°C) against a control medium (10 days 4°C)

From: Abstracts from the 26th European Society for Animal Cell Technology Meeting - Cell culture technologies: bridging academia and industry to provide solutions for patients

A.

Mass (m/z)

Parent Ion

130.3

Fragments

41.3

56.2

84.1

B.

Difference Glutamine

Difference Ammonium

10 days incubation,

4°C vs 33°C

-2.57 mM

+2.54 mM

10 days incubation,

4°C vs 37°C

-3.46 mM

+3.48 mM