A fluorescent probe for distinguish detection of formaldehyde and acetaldehyde

被引：53

作者：

Cao, Yuping ^{[1
]}

Teng, Zhidong ^{[2
,3
]}

Zhang, Jin ^{[1
]}

Cao, Ting ^{[1
]}

Qian, Jing ^{[1
]}

Wang, Jiemin ^{[1
]}

Qin, Wenwu ^{[1
]}

Guo, Huichen ^{[2
,3
]}

机构：

[1] Lanzhou Univ, Coll Chem & Chem Engn, Key Lab Special Funct Mat & Struct Design MOE, State Key Lab Appl Organ Chem,Key Lab Nonferrous, Lanzhou 730000, Peoples R China

[2] Chinese Acad Agr Sci, Minist Agr, State Key Lab Vet Etiol Biol, Xujiaping 1, Lanzhou 730046, Gansu, Peoples R China

[3] Chinese Acad Agr Sci, Minist Agr, Key Lab Anim Virol, Lanzhou Vet Res Inst, Xujiaping 1, Lanzhou 730046, Gansu, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2020年 / 320卷

关键词：

fluorescent chemosensor; distinguish detection; ratiometric probe for formaldehyde; turn on probe for acetaldehyde; SELECTIVE DETECTION; ENDOGENOUS FORMALDEHYDE; QUANTITATIVE DETECTION; HISTONE DEMETHYLATION; SENSITIVE DETECTION; LIVING CELLS; HELA-CELLS; SENSOR;

D O I：

10.1016/j.snb.2020.128354

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new fluorescent chemosensor DTH for distinguish detection formaldehyde (FA) and acetaldehyde (AA) has been synthesized based on 2, 5-dihydroxy-p-benzenedicarbonamide as fluorophore and hydrazine as reaction group. DTH is a ratiometric probe for formaldehyde with fluorescence quantum yield is 0.055 and a turn on probe for acetaldehyde with a higher fluorescence quantum yield (0.122) due to different electron donating property of -H (formaldehyde) and -CH3 group (acetaldehyde), FA-DTH and AA-DTH, which were products of formaldehyde and acetaldehyde with DTH, respectively, showed different fluorescence variation. Interestingly, the maximum fluorescence emission peak wavelength varies with different molar ratio of the mixture solution of FA/AA and it was found that the wavelength is linear with the molar ratio of FA/AA, demonstrating that DTH fluorescence probe can be used not only to distinguish detect formaldehyde and acetaldehyde, but also to analyze the approximate content of formaldehyde and acetaldehyde in the mixed solution. Therefore, DTH is an excellent probe, which is expected to be applied in cells and distinguish detection of formaldehyde and acetaldehyde in the environment.

引用

页数：8

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