Hydrogel Fiber Cultivation Method for Forming Bacterial Cellulose Microspheres

Forming microspheres or microbeads from nanofibrous materials has recently attracted research interest for their applications in various fields, because these structures greatly impact cellular behaviors and functions. However, conventional methods of preparing microspheres or microbeads have limita...

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Main Authors: Kazuhiko Higashi, Norihisa Miki
Format: Article
Language:English
Published: MDPI AG 2018-01-01
Series:Micromachines
Subjects:
Online Access:http://www.mdpi.com/2072-666X/9/1/36
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author Kazuhiko Higashi
Norihisa Miki
author_facet Kazuhiko Higashi
Norihisa Miki
author_sort Kazuhiko Higashi
collection DOAJ
description Forming microspheres or microbeads from nanofibrous materials has recently attracted research interest for their applications in various fields, because these structures greatly impact cellular behaviors and functions. However, conventional methods of preparing microspheres or microbeads have limitations, such as limited variety of material. Here, we propose a new fabrication process for forming a nanofibrous microsphere composed of bacterial cellulose (BC), which is synthesized through fermentation by specific bacteria. The process uses a hydrogel fiber containing spherical cavities. The bacteria encapsulated into the cavities produce BC, resulting in the formation of BC microspheres. Because of its simplicity, robustness, and cost-effectiveness, this process is promising for applications, such as in biochemical engineering and cell delivery systems.
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spelling doaj.art-bc30fa70716949b7ab4f5160a3141bb72022-12-21T18:25:31ZengMDPI AGMicromachines2072-666X2018-01-01913610.3390/mi9010036mi9010036Hydrogel Fiber Cultivation Method for Forming Bacterial Cellulose MicrospheresKazuhiko Higashi0Norihisa Miki1School of Integrated Design Engineering, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Kanagawa, JapanSchool of Integrated Design Engineering, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Kanagawa, JapanForming microspheres or microbeads from nanofibrous materials has recently attracted research interest for their applications in various fields, because these structures greatly impact cellular behaviors and functions. However, conventional methods of preparing microspheres or microbeads have limitations, such as limited variety of material. Here, we propose a new fabrication process for forming a nanofibrous microsphere composed of bacterial cellulose (BC), which is synthesized through fermentation by specific bacteria. The process uses a hydrogel fiber containing spherical cavities. The bacteria encapsulated into the cavities produce BC, resulting in the formation of BC microspheres. Because of its simplicity, robustness, and cost-effectiveness, this process is promising for applications, such as in biochemical engineering and cell delivery systems.http://www.mdpi.com/2072-666X/9/1/36microbeadsmicrocarriersmicrobesmicrofabricationmicrofluidicsdropletemulsionmonodispersity
spellingShingle Kazuhiko Higashi
Norihisa Miki
Hydrogel Fiber Cultivation Method for Forming Bacterial Cellulose Microspheres
Micromachines
microbeads
microcarriers
microbes
microfabrication
microfluidics
droplet
emulsion
monodispersity
title Hydrogel Fiber Cultivation Method for Forming Bacterial Cellulose Microspheres
title_full Hydrogel Fiber Cultivation Method for Forming Bacterial Cellulose Microspheres
title_fullStr Hydrogel Fiber Cultivation Method for Forming Bacterial Cellulose Microspheres
title_full_unstemmed Hydrogel Fiber Cultivation Method for Forming Bacterial Cellulose Microspheres
title_short Hydrogel Fiber Cultivation Method for Forming Bacterial Cellulose Microspheres
title_sort hydrogel fiber cultivation method for forming bacterial cellulose microspheres
topic microbeads
microcarriers
microbes
microfabrication
microfluidics
droplet
emulsion
monodispersity
url http://www.mdpi.com/2072-666X/9/1/36
work_keys_str_mv AT kazuhikohigashi hydrogelfibercultivationmethodforformingbacterialcellulosemicrospheres
AT norihisamiki hydrogelfibercultivationmethodforformingbacterialcellulosemicrospheres