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1.山东大学 前沿交叉科学青岛研究院, 分子科学与工程研究院, 山东 青岛 266237
2.浙江师范大学 化学与生命科学学院, 浙江 金华 321004
[ "徐蕴泽(1997-),男,山东青岛人,硕士研究生,2019年于安徽农业大学获得学士学位,主要从事有机荧光探针分子的合成及在阿尔茨海默症检测中应用的研究。 E-mail: xuyunze@zjnu.edu.cn" ]
[ "吕光磊(1986-),男,山东泰安人,博士,讲师,2017年于复旦大学获得博士学位,主要从事有机无机杂化材料的设计合成以及在疾病诊疗中应用的研究。 E-mail: guanglei@zjnu.edu.cn" ]
[ "李春霞(1977-),女,山东德州人,博士,教授,博士生导师,2008年于中国科学院长春应用化学研究所获得博士学位,主要从事功能纳米材料在荧光检测和肿瘤诊疗中的研究。E‐mail: cxli@sdu.edu.cn" ]
纸质出版日期:2022-10-05,
收稿日期:2022-06-05,
修回日期:2022-06-18,
移动端阅览
徐蕴泽,尧雨斯,吕光磊等.一种新型近红外荧光探针用于Aβ40聚集体的检测[J].发光学报,2022,43(10):1620-162710.37188/CJL.20220228.
XU Yun-ze,YAO Yu-si,LYU Guang-lei,et al.A Novel Near-infrared Fluorescent Probe for Detection of Aβ40 Aggregates[J].Chinese Journal of Luminescence,2022,43(10):1620-162710.37188/CJL.20220228.
β⁃淀粉样蛋白(Aβ)形成的老年斑块是阿尔茨海默症(Alzheimer's disease,AD)最重要的病理性标志物之一,在AD的发病中起到了非常重要的作用。在AD的发病前期,Aβ40聚集体是最为主要且大量存在的蛋白形式。因此,对Aβ40聚集体的检测有利于实现对AD的早期诊断。本工作设计合成了一种具有D⁃π⁃A结构的小分子近红外荧光探针
C
⁃
1
用于Aβ40聚集体的荧光检测。探针
C
⁃
1
具有良好的荧光发射波长(
λ
em
=640 nm),对Aβ40聚集体表现出了较好的结合能力(
K
d
=3.072 μmol/L),能够实现在溶液中对Aβ40聚集体的特异性检测。除此之外,该探针合成简单,成本低廉,灵敏度较高,响应速度极快。
β-Amyloid(Aβ) senile plaques are one of the most important pathological markers of Alzheimer's disease(AD), which plays a quite important role in the pathogenesis of AD. In the early stage of AD, Aβ40 aggregates are the most predominant and abundant. Therefore, the detection of Aβ40 aggregates is conducive to the early diagnosis of AD. In this work, a small molecule fluorescent probe
C
-
1
with a D-π-A structure was designed and synthesized for the fluorescence detection of Aβ40 aggregates. The probe
C
-
1
displays superior fluorescence properties(
λ
em
=640 nm) and shows remarkable binding capacity for Aβ40 aggregates(
K
d
=3.072 μmol/L), enabling the specific detection of Aβ40 aggregates in solution. In addition, the probe has series of advantages, including simple synthesis, low cost, high sensitivity and fast response.
荧光探针Aβ阿尔茨海默症近红外
fluorescent probeAβAlzheimer's diseasenear-infrared (NIR)
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