银纳米粒子装饰蓝碳点果胶薄膜：一种独特的荧光传感器，用于检测糖果样品中的酒黄

IF 4.3 2区化学 Q1 SPECTROSCOPY

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy Pub Date : 2025-05-05 DOI:10.1016/j.saa.2025.126304

A. Joel Amalan, S. Gopika Devi, Anitha Pius

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引用次数: 0

摘要

本研究演示了银纳米粒子修饰的蓝碳点果胶薄膜（AgNPs@BCDs/PN）的简单合成，并将其用于荧光光谱法灵敏、选择性地检测糖果样品中的酒黄（TZ）。采用柠檬酸和硫脲水热法制备了蓝碳点。AgNPs@BCDs均采用机械搅拌制备。AgNPs@BCDs的粒径在12.5 ~ 23.8 nm之间。利用各种技术来探索AgNPs@BCDs的结构、形态和光致发光行为。荧光法在0 ~ 32 μM范围内的检出限为21.02 nM。采用光致电子转移（PET）和表面态调制相结合的方法进行传感。加样回收率为94.11 ~ 99.42%，相对标准偏差为1.61 ~ 1.91%。这项工作突出了AgNPs@BCDs/PN快速、简单、灵敏地检测酒黄石的巨大应用前景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Silver nanoparticles decorated Blue Carbon Dots based Pectin films: A unique fluorescent sensor for the detection of Tartrazine in candy samples

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Silver nanoparticles decorated Blue Carbon Dots based Pectin films: A unique fluorescent sensor for the detection of Tartrazine in candy samples

This research work demonstrates an easy synthesis of Silver nanoparticles decorated Blue Carbon Dots-based Pectin films (AgNPs@BCDs/PN) and its use towards sensitive and selective detection of Tartrazine (TZ) in candy samples by spectrofluorimetry method. Blue Carbon Dots were prepared through hydrothermal treatment of Citric acid and Thiourea. AgNPs@BCDs were prepared using mechanical stirring. The particle sizes of AgNPs@BCDs were found to be in the range of 12.5 to 23.8 nm. Various techniques were deployed to explore the structural, morphological and photoluminescent behaviour of AgNPs@BCDs. The fluorescence method achieved a limit of detection (LOD) of 21.02 nM within the range of 0–32 μM. Combination of Photoinduced Electron Transfer (PET) and Surface state modulation was adopted for the sensing. The recoveries and relative standard deviations were 94.11–99.42 % and 1.61–1.91 % respectively. This work highlights the great application prospects of AgNPs@BCDs/PN for Tartrazine sensing in a rapid, simple and sensitive way.

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来源期刊

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 物理-光谱学

CiteScore

8.40

自引率

11.40%

发文量

1364

审稿时长

40 days

期刊介绍： Spectrochimica Acta, Part A: Molecular and Biomolecular Spectroscopy (SAA) is an interdisciplinary journal which spans from basic to applied aspects of optical spectroscopy in chemistry, medicine, biology, and materials science. The journal publishes original scientific papers that feature high-quality spectroscopic data and analysis. From the broad range of optical spectroscopies, the emphasis is on electronic, vibrational or rotational spectra of molecules, rather than on spectroscopy based on magnetic moments. Criteria for publication in SAA are novelty, uniqueness, and outstanding quality. Routine applications of spectroscopic techniques and computational methods are not appropriate. Topics of particular interest of Spectrochimica Acta Part A include, but are not limited to: Spectroscopy and dynamics of bioanalytical, biomedical, environmental, and atmospheric sciences, Novel experimental techniques or instrumentation for molecular spectroscopy, Novel theoretical and computational methods, Novel applications in photochemistry and photobiology, Novel interpretational approaches as well as advances in data analysis based on electronic or vibrational spectroscopy.