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Ohol RM, Vasuki B. Piezoelectric Actuated Stirrer for Solid Drug Powder-Liquid Mixing. THEORETICAL FOUNDATIONS OF CHEMICAL ENGINEERING 2022. [DOI: 10.1134/s0040579522060148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Shen B, Zhan X, Sun Z, He Y, Long J, Li X. PIV experiments and CFD simulations of liquid-liquid mixing in a planetary centrifugal mixer (PCM). Chem Eng Sci 2022. [DOI: 10.1016/j.ces.2022.117764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Shen B, Zhan X, He Y, Sun Z, Long J, Yang Y, Li X. Computational fluid dynamic analysis of mass transfer and hydrodynamics in a planetary centrifugal bioreactor. KOREAN J CHEM ENG 2021. [DOI: 10.1007/s11814-021-0817-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Oda A, Takamiya R, Kaneko R, Yoshida H, Yanagita Y, Sekiguchi H, Nobe Y, Muramatsu K. Utility of a rotation/revolution-type agitator for chondrocyte isolation during preparation of engineered cartilage. J Biosci Bioeng 2019; 128:117-122. [PMID: 30648547 DOI: 10.1016/j.jbiosc.2018.12.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Revised: 12/17/2018] [Accepted: 12/17/2018] [Indexed: 01/14/2023]
Abstract
During the manufacture of cell- and tissue-based products, such as engineered cartilage for autologous chondrocyte implantation, maximizing the number of cells isolated from donor tissue substantially improves the productivity of these products. The method used for agitating tissues with digestive fluid and enzymes can considerably affect both the quality and quantity of isolated cells. This study aimed to investigate the effectiveness of a rotation/revolution-type agitator for chondrocyte isolation following the enzymatic digestion of rat costal cartilage. Cartilage tissue cut into 1 mm3-thick sections was equally divided between two groups and placed in 50-mL conical tubes; sections in both groups were digested using 0.1 mg/mL liberase TH (collagenase/thermolysin) at 37 °C for 4 h with either rotation/revolution or conventional orbital agitation method. Compared with using conventional orbital agitator, using the rotation/revolution-type agitator resulted in a significant (>two-fold) increase in the number of isolated cells. In subsequent primary cultures, chondrocytes obtained by rotation/revolution agitation showed superior initial attachment to tissue culture dish on day 1 and 2 compared with those obtained by conventional agitation; however, no differences in cell proliferation or cartilage-related molecule expression patterns were observed between cells derived from either method after 3 days of subculture. These findings suggested that there are no disadvantages to the proposed rotation/revolution agitation method. Rotation/revolution-type agitators are a promising apparatus for preparing chondrocytes for primary cultures and cartilage tissue engineering.
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Affiliation(s)
- Akinori Oda
- Division of Life Science and Engineering, School of Science and Engineering, Tokyo Denki University, Ishizaka, Hatoyama-cho, Hiki-gun, Saitama 350-0394, Japan
| | - Ryota Takamiya
- Division of Life Science and Engineering, School of Science and Engineering, Tokyo Denki University, Ishizaka, Hatoyama-cho, Hiki-gun, Saitama 350-0394, Japan
| | - Rin Kaneko
- Division of Life Science and Engineering, School of Science and Engineering, Tokyo Denki University, Ishizaka, Hatoyama-cho, Hiki-gun, Saitama 350-0394, Japan
| | - Haruna Yoshida
- Division of Life Science and Engineering, School of Science and Engineering, Tokyo Denki University, Ishizaka, Hatoyama-cho, Hiki-gun, Saitama 350-0394, Japan
| | - Yuta Yanagita
- Division of Life Science and Engineering, School of Science and Engineering, Tokyo Denki University, Ishizaka, Hatoyama-cho, Hiki-gun, Saitama 350-0394, Japan
| | - Hatsumi Sekiguchi
- Division of Life Science and Engineering, School of Science and Engineering, Tokyo Denki University, Ishizaka, Hatoyama-cho, Hiki-gun, Saitama 350-0394, Japan
| | - Yoshihito Nobe
- Taiyo Giken Co. Ltd., 3-6-15 Minami-senjyu, Arakawa-ku, Tokyo 116-0003, Japan
| | - Kazuaki Muramatsu
- Division of Life Science and Engineering, School of Science and Engineering, Tokyo Denki University, Ishizaka, Hatoyama-cho, Hiki-gun, Saitama 350-0394, Japan.
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