Fig. 2

HPLC analysis of formaldehyde from different samples. a 1 mM formaldehyde standard. b GCS reaction mixture after 2 h. c GCS reaction mixture without adding GCS enzymes after 2 h
HPLC analysis of formaldehyde from different samples. a 1 mM formaldehyde standard. b GCS reaction mixture after 2 h. c GCS reaction mixture without adding GCS enzymes after 2 h