Optical 4D oxygen mapping of microperfused tissue models with tunable in vivo-like 3D oxygen microenvironments
{Sufficient|Adequate|Enough} and controllable oxygen {supply|provide} {is essential|is crucial} for in vitro 3D cell and tissue culture at {high|higher} cell densities, which calls for volumetric in situ oxygen {analysis|evaluation} {methods|techniques|strategies|approaches|procedures|solutions} to…