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© 2021 American Institute of Chemical EngineersCell cultures are indispensable for both basic and applied research. Advancements in cell culture and analysis increase their utility for basic research and translational applications. A marked development in this direction is advent of three–dimensional (3D) cultures. The extent of advancement in 3D cell culture methods over the past decade has warranted referring to a single cell type being cultured as an aggregate or spheroid using simple scaffolds as “traditional.” In recent years, the development of “next–generation” devices has enabled cultured cells to mimic their natural environments much better than the traditional 3D culture systems. Automated platforms like chip–based devices, magnetic– and acoustics–based assembly devices, di–electrophoresis (DEP), micro pocket cultures (MPoC), and 3D bio–printing provide a dynamic environment compared to the rather static conditions of the traditional simple scaffold–based 3D cultures. Chip–based technologies, which are centered on principles of microfluidics, are revolutionizing the ways in which cell culture and analysis can be compacted into table–top instruments. A parallel evolution in analytical devices enabled efficient assessment of various complex physiological and pathological endpoints. This is augmented by concurrent development of software enabling rapid large–scale automated data acquisition and analysis like image cytometry, elastography, optical coherence tomography, surface–enhanced Raman scattering (SERS), and biosensors. The techniques and devices utilized for the purpose of 3D cell culture and subsequent analysis depend primarily on the requirement of the study. We present here an in–depth account of the devices for obtaining and analyzing 3D cell cultures.
