It has been shown that chondrocyte-seeded agarose constructs of large dimensions develop spatially inhomogeneous material properties with stiffer outer edges and a softer central core [1]. This axial (depth-dependent) inhomogeneity was observed for constructs with relatively large diameter (4mm) and thickness (2.3mm) and suggests nutrient diffusion limitations to the central region of the constructs. Our previous study also showed that by reducing the thickness of the agarose construct (to 1mm) more homogenous construct properties can be obtained as a result of the reduced diffusion distance [2]. In this study we hypothesized that more homogeneous constructs of better mechanical properties could be achieved by creating channels running through the depth of the thick constructs (2.3mm), thereby facilitating nutrient diffusion into the central region of the constructs.
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ASME 2007 Summer Bioengineering Conference
June 20–24, 2007
Keystone, Colorado, USA
Conference Sponsors:
- Bioengineering Division
ISBN:
0-7918-4798-5
PROCEEDINGS PAPER
Influence of Nutrient Channels on Development of Engineered Cartilage Properties Available to Purchase
Liming Bian,
Liming Bian
Columbia University, New York, NY
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Kenneth W. Ng,
Kenneth W. Ng
Columbia University, New York, NY
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Eric G. Lima,
Eric G. Lima
Columbia University, New York, NY
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Gerard A. Ateshian,
Gerard A. Ateshian
Columbia University, New York, NY
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Clark T. Hung
Clark T. Hung
Columbia University, New York, NY
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Liming Bian
Columbia University, New York, NY
Kenneth W. Ng
Columbia University, New York, NY
Eric G. Lima
Columbia University, New York, NY
Gerard A. Ateshian
Columbia University, New York, NY
Clark T. Hung
Columbia University, New York, NY
Paper No:
SBC2007-176234, pp. 1055-1056; 2 pages
Published Online:
March 12, 2014
Citation
Bian, L, Ng, KW, Lima, EG, Ateshian, GA, & Hung, CT. "Influence of Nutrient Channels on Development of Engineered Cartilage Properties." Proceedings of the ASME 2007 Summer Bioengineering Conference. ASME 2007 Summer Bioengineering Conference. Keystone, Colorado, USA. June 20–24, 2007. pp. 1055-1056. ASME. https://doi.org/10.1115/SBC2007-176234
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