ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Future Industries Institute, University of South Australia, SA 5095, Australia.
ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Future Industries Institute, University of South Australia, SA 5095, Australia.
Biosens Bioelectron. 2016 May 15;79:608-26. doi: 10.1016/j.bios.2015.12.075. Epub 2015 Dec 23.
Over the last years, there has been an increasing demand for fast, highly sensitive and selective methods of analysis to meet new challenges in environmental monitoring, food safety and public health. In response to this demand, biosensors have arisen as a promising tool, which offers accurate chemical data in a timely and cost-effective manner. However, the difficulty to obtain sensors with appropriate selectivity and sensitivity for a given analyte, and to solve analytical problems which do not require the quantification of a certain analyte, but an overall effect on a biological system (e.g. toxicity, quality indices, provenance, freshness, etc.), led to the concept of electronic tongues as a new strategy to tackle these problems. In this direction, to improve the performance of electronic tongues, and thus to spawn new application fields, biosensors have recently been incorporated to electronic tongue arrays, leading to what is known as bioelectronic tongues. Bioelectronic tongues provide superior performance by combining the capabilities of electronic tongues to derive meaning from complex or imprecise data, and the high selectivity and specificity of biosensors. The result is postulated as a tool that exploits chemometrics to solve biosensors' interference problems, and biosensors to solve electronic tongues' selectivity problems. The review presented herein aims to illustrate the capabilities of bioelectronic tongues as analytical tools, especially suited for screening analysis, with particular emphasis in water analysis and the characterization of food and beverages. After briefly reviewing the key concepts related to the design and principles of electronic tongues, we provide an overview of significant contributions to the field of bioelectronic tongues and their future perspectives.
在过去的几年中,人们对快速、高灵敏度和选择性的分析方法的需求不断增加,以应对环境监测、食品安全和公共卫生领域的新挑战。为了满足这一需求,生物传感器作为一种很有前途的工具应运而生,它能够及时、经济有效地提供准确的化学数据。然而,获得对特定分析物具有适当选择性和灵敏度的传感器,并解决不需要定量分析某种分析物,而是需要对生物系统产生整体影响(例如毒性、质量指数、来源、新鲜度等)的分析问题仍然具有一定的难度,这导致了电子舌作为一种解决这些问题的新策略的概念的产生。在这一方向上,为了提高电子舌的性能,从而开拓新的应用领域,生物传感器最近被整合到电子舌阵列中,从而产生了所谓的生物电子舌。生物电子舌通过结合电子舌从复杂或不精确的数据中得出意义的能力,以及生物传感器的高选择性和特异性,来提供卓越的性能。其结果被认为是一种利用化学计量学解决生物传感器干扰问题,以及利用生物传感器解决电子舌选择性问题的工具。本文综述旨在说明生物电子舌作为分析工具的能力,特别是在筛选分析方面的应用,特别强调了在水分析以及食品和饮料的特性描述方面的应用。在简要回顾了与电子舌的设计和原理相关的关键概念之后,我们对生物电子舌领域的重要贡献及其未来展望进行了概述。