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Machine Learning-Enhanced Bacteria Detection Using a Fluorescent Sensor Array with Functionalized Graphene Quantum Dots

delete2025-01-02
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PRE
AI
张
张昕 (Xin Zhang)
W
Weiwei Zhu
L
LiangHui Mei
S
Shan‐Ting Zhang
J
Jian Liu
F
Fangbin Wang
DOI:10.1021/acsami.4c20078delete
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摘要

摘要

En 中文
致病细菌是许多严重健康问题的来源,例如食源性疾病和医院感染。对这些病原体的及时、准确检测对于疾病预防、控制疫情传播和保护公共卫生安全至关重要。近年来,致病细菌的快速鉴定已成为研究重点。与传统的规模化检测设备相比,本研究开发的荧光传感器阵列可在短短五分钟内检测细菌,且成本低廉。该阵列采用通过简单水热法制备的氮、硫共掺杂石墨烯量子点(NS-GQDs),通过避免有毒金属元素实现了环境友好。经抗生素(如大观霉素、卡那霉素和多黏菌素B)功能化后,NS-GQDs(分别重命名为S-NS-GQDs、K-NS-GQDs和B-NS-GQDs)对不同细菌表现出可变的亲和力,从而实现广谱检测而无需靶向特定物种。当与细菌结合时,功能化NS-GQDs的荧光强度显著降低。该传感器阵列对不同细菌种类表现出独特的荧光响应,可通过多种机器学习算法进行区分。结果表明,该平台能够快速、准确地识别和定量五种细菌种类,在准确度、灵敏度和稳定性方面表现出色。这使其成为在致病细菌检测方面具有广阔实用前景的有前景工具。
Keyword:
graphene quantum dots
fluorescentsensor array
machine learning
pathogenic bacterialidentification
rapid detection

期刊

ACS Applied Materials and Interfaces 封面图
ACS Applied Materials and Interfaces
IF:
8.2
论文数:
6.1W
被引数:
38.7W

机构

S
St Petersburg Electrotech Univ LETI
学者数:
241
论文数: 73
被引数: 6
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