Data Recording, Amplification, and Acquisition System for Microelectrode Array

F. Fambrini, M. A. Barreto, J. H. Saito
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引用次数: 2

Abstract

Multi-Electrode Array (MEA) is a Nan technology device used for in-vitro neuron culture and their electrophysiological signal recording. The analysis of these signals is useful to the study of the neuronal network dynamics and the drug tests in pharmacological applications, between others. This paper describes the development of an alternative system of data acquisition to a MEA of 60 microelectrodes, denoted R2AS. The obtained results show that the proposed system is feasible to record the microelectrode signals of some μV level, using a head stage pre-amplifier, filter, amplifier, analog-to-digital converter, with analog multiplexing, and USB converter. The design is scalable and can be used to a high density MEA of 256 channels, replicating the modules, also, the system is flexible, allowing to be adapted to systems as Brain Computer Interface (BCI) with minimal changes.
微电极阵列的数据记录、放大和采集系统
多电极阵列(MEA)是一种用于体外神经元培养和电生理信号记录的纳米技术设备。这些信号的分析对神经网络动力学的研究和药理学应用中的药物测试等都是有用的。本文描述了一种替代60个微电极的MEA的数据采集系统的开发,称为R2AS。实验结果表明,该系统采用前置放大器、滤波器、放大器、模数转换器、模拟复用和USB转换器,可以实现一定μV量级的微电极信号记录。该设计具有可扩展性,可用于256通道的高密度MEA,复制模块,此外,该系统非常灵活,允许以最小的更改适应系统作为脑机接口(BCI)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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