Fluorescent organic nanoparticles of tripodal receptor as sensors for HSO4- in aqueous medium: application to real sample analysis

被引：28

作者：

Chopra, Shweta ^{[1
]}

Singh, Jasminder ^{[2
]}

Singh, Narinder ^{[2
]}

Kaur, Navneet ^{[1
]}

机构：

[1] Panjab Univ, Ctr Nanosci & Nanotechnol UIEAST, Chandigarh 160014, India

[2] IIT Ropar, Dept Chem, Rupnagar 140001, Panjab, India

来源：

ANALYTICAL METHODS | 2014年 / 6卷 / 22期

关键词：

CONJUGATED POLYMERS; CHEMOSENSORS; RECOGNITION; SULFATE; REAGENTS; BINDING; ANIONS;

D O I：

10.1039/c4ay01760a

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A tripodal framework bearing mixed donor sites was synthesized using simple reactions and was used for sensor applications in an aqueous medium by subjecting it to a nano-aggregate (N1) formation using a re-precipitation method. The characteristic fluorescence profile of the receptor due to the naphthyl moiety was observed. N1 showed selective recognition behaviour towards HSO4- in aqueous medium with a good linear range of 0-65 mu M. N1, the prepared nano-aggregates can be used to determine a lower concentration, as the detection limit for HSO4- ions in aqueous samples is 1.12 mu M in a wide pH range; thus, making them appropriate for the use in environmental or biological samples.

引用

页码：9030 / 9036

页数：7

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