国际生物协会 (AIE) 用于检测鱼类腐烂过程中产生的进化氨基蒸气的碎纸
Abinaya Muthukumar1, Swarnalatha Kalaiyar1
1Photochemistry Research Laboratory, Department of Chemistry, Manonmaniam Sundaranar University, Abishekapatti, Tirunelveli 627012, Tamil Nadu, India.
概括
一个新的光探针检测到氨,这是海鲜中腐烂指标. 这种基于AIE的传感器提供实时食品安全监测,改变颜色以信号鱼类退化.
科学领域:
- 分析化学 分析化学
- 材料科学 材料科学 材料科学
- 食品科学 食品科学 食品科学
背景情况:
- 海鲜的质量对人类健康至关重要,但在运输和储存过程中损坏是一个重大问题.
- 早期检测食物腐烂是确保消费者安全和预防食源性疾病的必要条件.
- 目前用于检测损坏的方法可能不够快速或敏感,无法实时监控.
研究的目的:
- 开发一种高度选择性和敏感的光探针,用于早期检测食物腐烂.
- 为了利用聚合诱导排放 (AIE) 特性提高探头性能.
- 为了证明探测器在实时监测氨 (NH3) 蒸汽的应用,在海鲜降解过程中释放.
主要方法:
- 基于聚合诱导发射 (AIE) 和激发状态分子内质子转移 (ESIPT) 的新型光探针 (ANT) 的合成.
- 使用紫外线可见光和光光谱学对探测器光物理性质的描述.
- 在纸片上固定探针的应用,以实时检测从降解的红鱼中产生的氨蒸汽.
主要成果:
- 探测器对氨 (NH3) 蒸气具有很高的选择性和敏感性.
- 在探测器上观察到从黄色到色的比度颜色变化,这种变化发生在暴露在腐烂鱼的纸片上,表明腐烂.
- 探测器在暴露于四水夫 (THF) 后显示出出色的可重复使用性,保留了最初的颜色.
结论:
- 开发的基于AIE的光探测器 (ANT) 对于实时检测氨气蒸汽是有效的,这是海鲜腐败的标志物.
- 这种传感器提供了一个有前途的工具,以提高食品安全和保障,通过早期识别难以食用的鱼.
- 探针的可重复使用性和视觉颜色变化为现场食品质量评估提供了实际优势.
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