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. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: Anal Bioanal Chem. 2017 Aug 10;409(25):5955–5964. doi: 10.1007/s00216-017-0514-4

Table 2.

Concentration of 5 different THF pools in HEK293T cells, mean ± S.D.

THF species Cellular concentration (μmol/L PCV)
THF 1.4±0.6
Methylene-THF 1.0±0.2
Methenyl-THF + 10-formyl-THF 1.1±0.1
5-formyl-THF 0.19±0.02
5-methyl-THF 0.09±0.03