开发一种适应传感器,用于检测二甲和阐明测试抑制因子
Hyerin Song1,2, Hyun Jeong Lim1,2, Ahjeong Son1,2
1Department of Environmental Science and Engineering, Ewha Womans University 52 Ewhayeodae-gil, Seodaemun-gu Seoul 03760 Republic of Korea ason@ewha.ac.kr ahjeong.son@gmail.com +82(2)3277-3339.
RSC advances
|July 1, 2024
概括
一种新的光感应传感器可以在低水平 (0.08 ng L-1) 上检测二甲基甲酸盐 (DBP). 该测试在各种温度和pH值中具有稳定性,但对高度的铜离子和低湿度敏感.
科学领域:
- 环境科学 环境科学
- 分析化学 分析化学
- 生物技术是生物技术.
背景情况:
- 二甲基甲酸盐 (DBP) 是一种常见的环境污染物.
- 准确的DBP检测方法对于环境监测至关重要.
研究的目的:
- 开发一个灵敏的光感应传感器用于DBP检测.
- 评估各种因素对触觉传感器性能的影响.
主要方法:
- 使用SYBR Green I,一个截断的吸收体,以及探针DNA用于吸收传感器的构建.
- 确定DBP检测范围和检测极限.
- 评估了实验因素 (时间,温度,pH,离子强度) 和环境因素 (子,酸) 的抑制作用.
主要成果:
- 胃感应器检测到DBP在0.1-100 ng L-1的范围内,检测极限为0.08 ng L-1.1.
- 在2-25°C和pH值7.0-9.0.0之间观察到最佳性能.
- 高度的Cu2+ (100毫米) 显著降低了光 (~99%),而Mg2+和Ca2+的影响最小 (<15%). 胺酸 (100毫克L-1) 导致约28%的抑制.
结论:
- 开发的SG-aptasensor提供了敏感和特定的DBP检测.
- 该试验在特定温度和pH值范围内显示出良好的稳定性.
- 环境因素,如铜离子和酸可以抑制测试,需要考虑现实世界的应用.
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