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4D-Printed Transformable Tube Array for High-Throughput 3D Cell Culture and Histology

Cited 25 time in Web of Science Cited 27 time in Scopus

Yang, Chen; Luo, Jeffrey; Polunas, Marianne; Bosnjak, Nikola; Chueng, Sy-Tsong Dean; Chadwick, Michelle; Sabaawy, Hatem E.; Chester, Shawn A.; Lee, Ki-Bum; Lee, Howon

Issue Date
WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Advanced Materials, Vol.32 No.40, p. 2004285
3D cell cultures are rapidly emerging as a promising tool to model various human physiologies and pathologies by closely recapitulating key characteristics and functions of in vivo microenvironment. While high-throughput 3D culture is readily available using multi-well plates, assessing the internal microstructure of 3D cell cultures still remains extremely slow because of the manual, laborious, and time-consuming histological procedures. Here, a 4D-printed transformable tube array (TTA) using a shape-memory polymer that enables massively parallel histological analysis of 3D cultures is presented. The interconnected TTA can be programmed to be expanded by 3.6 times of its printed dimension to match the size of a multi-well plate, with the ability to restore its original dimension for transferring all cultures to a histology cassette in order. Being compatible with microtome sectioning, the TTA allows for parallel histology processing for the entire samples cultured in a multi-well plate. The test result with human neural progenitor cell spheroids suggests a remarkable reduction in histology processing time by an order of magnitude. High-throughput analysis of 3D cultures enabled by this TTA has great potential to further accelerate innovations in various 3D culture applications such as high-throughput/content screening, drug discovery, disease modeling, and personalized medicine.
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  • College of Engineering
  • Department of Mechanical Engineering
Research Area Additive Manufacturing, Architected Materials, Programmable Matter


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