不功能光探针用于检测铁和硫化,基于二衍生物
Xuefang Shang1, Bingqing Liu2, Lixia Liu2
1Department of Medical Chemistry, Xinxiang Medical University, Xinxiang, 453003, Henan, China. xuefangshang@126.com.
Journal of fluorescence
|August 1, 2023
概括
开发了两种新的光探针,用于检测铁 (III) 和硫化 (H2S). 这些探针表现出独特的"开启-关闭"光反应,在生物和环境样本中提供敏感和选择性的监测.
科学领域:
- 化学传感器 化学传感器
- 光探测器 光探测器
- 分析化学 分析化学
背景情况:
- 对铁 (Fe3+) 和硫化 (H2S) 的监测对于生物和环境评估至关重要.
- 现有的检测方法可能缺乏选择性,敏感性或实时监控能力.
- 需要开发先进的光探针,以有效检测分析物.
研究的目的:
- 设计和合成用于同时检测Fe3+和H2S的新型光探针.
- 调查开发的探测器的传感机制和性能特征.
- 评估这些探头在生物和环境监测中的潜在应用.
主要方法:
- 合成了两个新的光探针分子.
- 光谱分析 (光) 用于研究探头-分析物相互作用.
- 评估探头的选择性,灵敏度和响应时间.
- 细胞毒性测试用于评估生物相容性.
主要成果:
- 合成的探头在Fe3+添加时表现出显著的光火,这是由于对磁效应造成的.
- 随后添加硫化物离子 (S2-) 导致光的快速和完全恢复.
- 探测器显示出对Fe3+和S2检测的高选择性和灵敏性,具有"ON-OFF-ON"光反应.
- 探针显示出良好的抗干扰能力,快速反应时间和低细胞毒性.
结论:
- 开发的光探针提供了一个有前途的"开启-关闭-启动"战略,用于敏感和选择性检测Fe3+和S2.
- 这些探头适用于在生物和环境环境中监测Fe3+和H2S.
- 这些探头是实时分析的潜在理想工具,因为它们的反应速度快,细胞毒性低.
相关概念视频
Labeling DNA Probes
8.2K
DNA probes are fragments of DNA labeled with a reporter tag to enable their detection or purification. The resulting labeled DNA probes can then hybridize to target nucleic acid sequences through complementary base-pairing, and may be used to recover or identify these regions.
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...
8.2K
FISH - Fluorescent In-situ Hybridization
20.8K
Fluorescence in situ hybridization, or FISH, was developed in the early 1980s and has quickly become one of the most widely used techniques in cytogenetics. Labeled probes are used to bind complementary DNA or RNA sequences on a chromosome or in a region within a cell. Earlier, the probes could only be obtained by cloning or reverse transcription of a DNA template. Currently, the probe oligonucleotides can be synthesized synthetically. Additionally, with the advancement of optical techniques,...
20.8K


