Response enhancement of olfactory sensory neurons-based biosensors for odorant detection

被引:0
|
作者
Chun-sheng WU
机构
关键词
Olfactory sensory neurons (OSNs); Response enhancement; Light addressable potentiometric sensor (LAPS); Olfactory-based biosensor;
D O I
暂无
中图分类号
TP212.3 [生物传感器、医学传感器];
学科分类号
080202 ;
摘要
This paper presents a novel strategy for the response enhancement of olfactory sensory neurons (OSNs)-based biosensors by monitoring the enhancive responses of OSNs to odorants. An OSNs-based biosensor was developed on the basis of the light addressable potentiometric sensor (LAPS), in which rat OSNs were cultured on the surface of LAPS chip and served as sensing elements. LY294002, the specific inhibitor of phosphatidylinositol 3-kinase (PI3K), was used to enhance the responses of OSNs to odorants. The responses of OSNs to odorants with and without the treatment of LY294002 were recorded by LAPS. The results show that the enhancive effect of LY294002 was recorded efficiently by LAPS and the responses of this OSNs-LAPS hybrid biosensor were enhanced by LY294002 by about 1.5-fold. We conclude that this method can enhance the responses of OSNs-LAPS hybrid biosensors, which may provide a novel strategy for the bioelectrical signal monitor of OSNs in biosensors. It is also suggested that this strategy may be applicable to other kinds of OSNs-based biosensors for cellular activity detection, such as microelectrode array (MEA) and field effect transistor (FET).
引用
收藏
页码:285 / 290
页数:6
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