Gomes Julio Cartier M, Souza Leandro Carlos, Oliveira Leiva Casemiro
Universidade Federal Rural do Semi-Árido, Departament of Computer Science, Rua Francisco Mota Bairro, 572 - Pres. Costa e Silva, Mossoró - RN, Brazil.
Universidade Federal da Paraíba, Informatic Departament, Rua dos Escoteiros, s/n, Mangabeira, João Pessoa - PB, Brazil.
Biosens Bioelectron. 2021 Jan 15;172:112760. doi: 10.1016/j.bios.2020.112760. Epub 2020 Oct 22.
Surface plasmon resonance (SPR) based sensors allow the evaluation of aqueous and gaseous solutions from real-time measurements of molecular interactions. The reliability of the response generated by a SPR sensor must be guaranteed, especially in substance detection, diagnoses, and other routine applications since poorly handled samples, instrumentation noise features, or even molecular tampering manipulations can lead to wrong interpretations. This work investigates the use of different machine learning (ML) techniques to deal with these issues, and aim to improve and attest to the quality of the real-time SPR responses so-called sensorgrams. A new strategy to describe a SPR-sensorgram is shown. The results of the proposed ML-approach allow the creation of intelligent SPR sensors to give a safe, reliable, and auditable analysis of sensorgram responses. Our arrangement can be embedded in an Intelligence Module that can classify sensorgrams and identify the substances presents in it. Also made it possible to order and analyze interest areas of sensorgrams, standardizing data, and supporting eventual audit procedures. With those intelligence features, the new generation of SPR-intelligent biosensors is qualifying to perform automated testing. A properly protocol for Leishmaniasis diagnosis with SPR was used to verify this new feature.
基于表面等离子体共振(SPR)的传感器能够通过对分子相互作用的实时测量来评估水溶液和气体溶液。必须保证SPR传感器产生的响应的可靠性,尤其是在物质检测、诊断及其他常规应用中,因为处理不当的样品、仪器噪声特征,甚至分子篡改操作都可能导致错误解读。这项工作研究了使用不同的机器学习(ML)技术来处理这些问题,旨在提高并证明实时SPR响应(即所谓的传感图)的质量。展示了一种描述SPR传感图的新策略。所提出的ML方法的结果使得能够创建智能SPR传感器,以对传感图响应进行安全、可靠且可审计的分析。我们的装置可以嵌入一个智能模块,该模块能够对传感图进行分类并识别其中存在的物质。还能够对传感图的感兴趣区域进行排序和分析,标准化数据,并支持最终的审计程序。具备这些智能特性后,新一代的SPR智能生物传感器有资格进行自动化检测。使用一种适用于用SPR诊断利什曼病的方案来验证这一新特性。