Please use this identifier to cite or link to this item: https://doi.org/10.1049/ip-nbt:20040535
Title: Nanoscale surface engineered living cells with extended substrate spectrum
Authors: Mak, W.C.
Sum, K.W.
Trau, D. 
Renneberg, R.
Issue Date: Apr-2004
Source: Mak, W.C.,Sum, K.W.,Trau, D.,Renneberg, R. (2004-04). Nanoscale surface engineered living cells with extended substrate spectrum. IEE Proceedings Nanobiotechnology 151 (2) : 67-72. ScholarBank@NUS Repository. https://doi.org/10.1049/ip-nbt:20040535
Abstract: We report on cell surface engineering of living microorganisms by using Layer-by-Layer (LbL) technology to extend the substrate spectrum. The yeast Arxula adeninivorans LS3 (Arxuld) was employed as a model organism and biological template. By using LbL technology, Arxula cells were encapsulated by polyelectrolyte and enzyme layers. The biological activity of the Arxula was retained after the encapsulation process. The polymeric capsule surrounding the Arxula provides a stable interface for surface engineering of living cells. LbL of polyelectrolytes followed by an enzyme layer of lactate oxidase were assembled. The outer enzyme layer provides an additional biological function for Arxula to convert the unfavourable substrate lactate into the favourable substrate pyruvate, thus extending the substrate spectrum of the organism. Moreover, capsule stability and enzyme conjugate stability of the surface engineered Arxula were studied.
Source Title: IEE Proceedings Nanobiotechnology
URI: http://scholarbank.nus.edu.sg/handle/10635/74899
ISSN: 14781581
DOI: 10.1049/ip-nbt:20040535
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