Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Two-dimensional clustering representation of relative errors comparing EasyLCMS and Chemstation software with an internal standard. Twenty-one intracellular amino acids were quantified in samples from six different batch reactors of the human CCL-159 cell line (numbers 1–6), which were obtained with three different extraction procedures (ACN, MeOH and Chloro). See Supplemental Material for details.
