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배종혁(Jong Hyuk Bae),배성재(Seoung Jai Bai),김영진(Young Jin Kim),심정원(Jeong won Shim) 대한기계학회 2019 대한기계학회 춘추학술대회 Vol.2019 No.11
The electrospray process is one of the widely used methods for producing microcapsules containing various biomaterials such as cells and drugs. In this study, we developed and optimized electrospray technology to produce uniform hydrogel beads that encapsulate photosynthetic cells with nanomaterials such as single-walled carbon nanotubes. The morphology of the hydrogel beads was mainly influenced by the concentration of sodium alginate and the spraying voltage, and the size of the beads and the number of cells depended on the spraying voltage and flow rate. With optimal conditions, hydrogel beads can be made as small as 25 ㎛ containing only single chlorella cells. Chronocurrent measurements were performed on single chlorella cells to electrochemically characterize the hydrogel beads. The results of this study will provide new insights into preparing hydrogel beads to immobilize single cells.