Three novel metal-organic frameworks with different coordination modes for trace detection of anthrax biomarkers

被引：34

作者：

Cong, Zhenzhong ^{[2
,3
]}

Zhu, Mingchang ^{[2
,3
]}

Zhang, Ying ^{[2
,3
]}

Yao, Wei ^{[1
]}

Kosinova, Marina ^{[4
]}

Fedin, Vladimir P. ^{[4
]}

Wu, Shuangyan ^{[2
,3
]}

Gao, Enjun ^{[1
,2
,3
]}

机构：

[1] Univ Sci & Technol Liaoning, Sch Chem Engn, Anshan 114051, Liaoning, Peoples R China

[2] Shenyang Univ Chem Technol, Key Lab Inorgan Mol Based Chem Liaoning Prov, Shenyang, Peoples R China

[3] Shenyang Univ Chem Technol, Lab Coordinat Chem, Shenyang, Peoples R China

[4] Nikolaev Inst Inorgan Chem, Lavrentiev Ave 3, Novosibirsk 630090, Russia

来源：

DALTON TRANSACTIONS | 2021年 / 51卷 / 01期

关键词：

SENSITIVE DETECTION; DIPICOLINIC ACID; MOF; CATALYSIS; POLYMER; LAYER;

D O I：

10.1039/d1dt03760a

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Dipicolinic acid (DPA) is an anthrax biomarker. Its serious consequences make its detection a great need. In this paper, three novel metal-organic frameworks (MOFs) with different coordination modes were synthesized by a simple solvothermal method, which can be used as highly efficient fluorescence sensors for the highly selective and sensitive trace detection of DPA. MOFs 1-3 showed rapid responses to DPA (<30 s), and the limits of detection (LODs) were calculated to be 1.01 x 10(-6) M-1 (MOF 1), 1.17 x 10(-6) M-1 (MOF 2) and 2.07 x 10(-6) M-1 (MOF 3). DPA detection based on MOFs 1-3 in fetal bovine serum is highly reliable based on the high recovery rates (90% to 115%). Hence, the three MOF-based sensors can be used in the real-time detection of DPA.

引用

页码：250 / 256

页数：7

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