Journal
LANGMUIR
Volume 28, Issue 13, Pages 5729-5736Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la300660x
Keywords
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Funding
- Faculty of Science, Mahidol University, the National Center for Genetic Engineering and Biotechnology (BIOTEC), Thailand
- Japan Society for the Promotion of Science (JSPS)
- Center of Excellence on Agricultural Biotechnology, Science, and Technology Postgraduate Education and Research Development Office (PERDO), Commission on Higher Education, Ministry of Education
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An oil-in-water Pickering emulsion stabilized by biobased material based on a bacteria chitosan network (BCN) was developed for the first time in this study. The formation of self-assembled BCN was possible due to the electrostatic interaction between negatively charged bacterial cells and polycationic chitosan. The BCN was proven to stabilize the tetradecane/water interface, promoting formation of highly stable oil-in-water emulsion (o/w emulsion). We characterized and visualized the BCN stabilized o/w emulsions by scanning electron microscopy (SEM) and laser scanning confocal microscopy (LSCM). Due to the sustainability and low environmental impact of chitosan, the BCN-based emulsions open up opportunities for the development of an environmental friendly new interface material as well as the novel type of microreactor utilizing bacterial cells network.
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