Jamie Acosta (left), Scientific Researcher, adds liquid nitrogen to the Fourier-Transform Infrared Spectroscopy (FTIR) device as Antoine Snijders (foreground), Department Head, BioEngineering & BioMedical Sciences, and Jian-Hua Mao (center), Geneticist Senior Scientist, assist in the preparation in Room 132 at the Potter Street location of Lawrence Berkeley National Laboratory (Berkeley Lab) in Emeryville, California, 12/21/2022.