期刊
BIOTECHNOLOGY AND BIOENGINEERING
卷 105, 期 1, 页码 37-43出版社
WILEY
DOI: 10.1002/bit.22521
关键词
nanodevice; liposome; signal transduction system; enzyme
资金
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) [17034043, 17750159]
- Japan Society for the Promotion of Science (JSPS), Japan [15205022]
This paper describes construction of a nanosensory device for amplified detection of biologically important amines as chemical signals. The device was inspired by a biological signal transduction system, and was fabricated on an artificial cell membrane through self-organization of the molecular components, such as a synthetic receptor and a natural enzyme. Selective recognition of biologically important amines was achieved, by a synthetic receptor with a pyridoxal. moiety, as evaluated by means of electronic absorption. spectroscopy. The selectivity in detecting amines as chemical signals mainly depends on hydrophobicity of the amines. The event upon detecting the chemical signals was transmitted to an enzyme by a metal ion acting as a mediator species, and then the enzyme amplified the event by the catalytic reaction to obtain signal output. This paper is realization of a biomimetic signal transduction system using amines as chemical signals and may provide a useful guidepost for designing integrated nanosystems. Biotechnol. Bioeng. 2010;105: 37-43. (C) 2009 Wiley Periodicals, Inc.
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