A triphenylamine-based aggregation-induced emission active fluorescent probe for fluorescent ink, fingerprint powder, and visual detection of salmon freshness

IF 3.5 2区农林科学 Q1 AGRICULTURE, MULTIDISCIPLINARY Journal of the Science of Food and Agriculture Pub Date : 2025-01-28 DOI:10.1002/jsfa.14144

Keli Zhong, Shuang Liu, Yangyang Li, Lijun Tang, Xiaofei Sun, Xuepeng Li, Jianrong Li

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Abstract

Background

Multifunctional fluorescent probes have attracted much attention due to their wide range of applications and high utilization. In this study, a multifunctional fluorescent probe (E)-3-(4-(7-(4-(diphenylamino)phenyl)benzo[c] [1,2,5]thiadiazol-4-yl)phenyl)acrylic acid (TBAC) based on triphenylamine was designed and synthesized.

Results

The TBAC probe provided excellent aggregation-induced emission (AIE) performance and could be used as a fluorescent ink for printing. It was also prepared successfully for application as a fingerprint powder, facilitating the visual detection of invisible fingerprints on surfaces such as glass, plastic, tinfoil, metal, aluminum, and resin. The probe exhibited a clear fluorescence response to 12 volatile amines via an AIE-based ‘on–off’ mechanism in an EtOH/H₂O (4/6, v/v) solution. The TBAC/bromocresol green (BCG) indicator label also enabled non-destructive and rapid assessment of salmon freshness through dual-channel colorimetric and fluorescence responses.

Conclusion

The versatility of TBAC makes it a promising material for various applications, including fluorescent materials, criminal detection, and food safety. This study provides a new basis for the multifunctional application of fluorescent probes. © 2025 Society of Chemical Industry.

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一种基于三苯胺的聚合诱导发射活性荧光探针，用于荧光墨水、指纹粉和鲑鱼新鲜度的视觉检测。

背景：多功能荧光探针因其应用范围广、利用率高而备受关注。本研究设计并合成了一种基于三苯胺的多功能荧光探针(E)-3-（4-（7-（4-（二苯胺）苯基）苯并[c][1,2,5]噻二唑-4-基）苯基）丙烯酸（TBAC）。结果：TBAC探针具有良好的聚集诱导发射（AIE）性能，可作为荧光油墨用于印刷。它还成功地制备了一种指纹粉，用于在玻璃、塑料、锡纸、金属、铝和树脂等表面上进行隐形指纹的视觉检测。该探针在EtOH/H2O （4/6, v/v）溶液中通过基于ai的“开关”机制对12种挥发性胺具有清晰的荧光响应。TBAC/溴甲酚绿（BCG）指示剂标签还可以通过双通道比色法和荧光反应对鲑鱼新鲜度进行无损和快速评估。结论：TBAC的多功能性使其在荧光材料、刑事侦查、食品安全等方面具有广阔的应用前景。本研究为荧光探针的多功能应用提供了新的基础。©2025化学工业协会。

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来源期刊

Journal of the Science of Food and Agriculture 工程技术-农业综合

CiteScore

8.10

自引率

4.90%

发文量

634

审稿时长

3.1 months

期刊介绍： The Journal of the Science of Food and Agriculture publishes peer-reviewed original research, reviews, mini-reviews, perspectives and spotlights in these areas, with particular emphasis on interdisciplinary studies at the agriculture/ food interface. Published for SCI by John Wiley & Sons Ltd. SCI (Society of Chemical Industry) is a unique international forum where science meets business on independent, impartial ground. Anyone can join and current Members include consumers, business people, environmentalists, industrialists, farmers, and researchers. The Society offers a chance to share information between sectors as diverse as food and agriculture, pharmaceuticals, biotechnology, materials, chemicals, environmental science and safety. As well as organising educational events, SCI awards a number of prestigious honours and scholarships each year, publishes peer-reviewed journals, and provides Members with news from their sectors in the respected magazine, Chemistry & Industry . Originally established in London in 1881 and in New York in 1894, SCI is a registered charity with Members in over 70 countries.