A green and facile approach for synthesizing imine to develop optical biosensor for wide range detection of bilirubin in human biofluids

被引：72

作者：

Ellairaja, Sundaram ^{[1
]}

Shenbagavalli, Kathiravan ^{[1
]}

Ponmariappan, Sarkaraisamy ^{[2
]}

Vasantha, Vairathevar Sivasamy ^{[1
]}

机构：

[1] Madurai Kamaraj Univ, Sch Chem, Dept Nat Prod Chem, Madurai 625021, Tamil Nadu, India

[2] Def Res Dev & Estab, Div Biotechnol, Jhansi Rd, Gwalior 474002, Madhya Pradesh, India

来源：

BIOSENSORS & BIOELECTRONICS | 2017年 / 91卷

关键词：

Bilirubin, 2,2 '-((1E,1 ' E)-((6-bromopyridine-2,3-diyl) bis(azanylylidene)) bis(methanylylidene))diphenol; Fluorimetry biosensor; Colorimetric biosensor; Lifetime study; Competitive study; Sonochemical synthesis; Imine molecule; SELECTIVE FLUORESCENT CHEMOSENSOR; GOLD NANOPARTICLES; DIAZO METHOD; BLOOD-SERUM; CHEMISTRY; RECOGNITION; ULTRASOUND; OXIDASE; PROBE; SHAPE;

D O I：

10.1016/j.bios.2016.12.026

中图分类号：

Q6 [生物物理学];

学科分类号：

071011 ;

摘要：

Bilirubin, a key biomarker for the jaundice and its clinical diagnosis needs a better analytical tool. A novel and simple fluorescent platform based on (2,2'-((1EXE)-((6-bromopyridine-2,3-diyl) bis(azanylylidene)) bis(methanylylidene diphenol) (BAMD) was designed. BAMD showed a remarkable fluorescent intensity with a very good quantum yield of 0.85 and lifetime of 870 ps. Hence, it was applied for the determination of bilirubin using both colorimetric and fluorimetric techniques in physiological and basic pH. Under optimized experimental conditions, the probe detects bilirubin selectively in the presence of other interfering biomolecules and metal ions. The linear range of detection is 1 pM-500 mu M at pH=7.4 and LOD is 2.8 and 3.3 pM at pH=7.4 and 9.0, respectively, which were reported so far. The probe detects the bilirubin through FRET mechanism. The practical application of the probe was successfully tested in the human blood and urine samples. Based on all above advantages, this simple idea can be applied to design a simple clinical diagnostic tool for jaundice.

引用

页码：82 / 88

页数：7

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