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一个完全固态的电化学系统,包含一个电位计传感器和水凝电解质,用于评估鱼的新鲜度
Yuqi Chen1, Jie Song2, Jian Du3
1State Key Laboratory of Marine Food Processing & Safety Control, Dalian Polytechnic University, Dalian 116034, China; Academy of Food Interdisciplinary Science, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China; National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian 116034, China; Dalian Key Laboratory for Precision Nutrition, Dalian Polytechnic University, Dalian 116034, China; School of Light Industry & Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China.
一个新的电化学传感器系统使用pH传感器和水凝电解液快速评估鱼的新鲜度. 这种便携式设备通过检测损坏指标,提供准确的现场食品安全监测.
科学领域:
- 电化学 电化学 电化学
- 食品科学 食品科学 食品科学
- 材料科学 材料科学 材料科学
背景情况:
- 鱼的新鲜度对于食品安全和经济价值至关重要.
- 评估鱼的新鲜度的传统方法往往耗时,需要实验室设置.
- 电化学传感器由于其便携性和灵敏性,为快速的现场质量评估提供了一个有希望的替代方案.
研究的目的:
- 开发一个全固态电化学系统,用于快速评估鱼的新鲜度.
- 为了提高性能,将电位计pH传感器与新型水凝电解质集成在一起.
- 为现场鱼类质量监测提供一个便携式和高效的工具.
主要方法:
- 一个完全固态电化学系统的制造,其中包含一个电位计pH传感器.
- 使用 phytic 酸合的聚氨作为pH 传感器的传感材料.
- 开发一种含有甘油的水凝,作为一种稳定,抗电解质.
- 检测由总挥发性基本 (TVB-N) 扩散引起的水凝中的pH值变化.
主要成果:
- 开发的pH传感器显示出超纳斯蒂安反应 (-75.28mV/pH) 和快速平衡 (10秒).
- 水凝电解质表现出抗和保持水分的特性,确保在-18°C和25°C之间运行.
- 综合系统在5分钟内实现了鱼的新鲜度评估.
- 传感器与标准TVB-N方法评估鱼类腐烂的相关性很好.
结论:
- 开发的全固态电化学系统为现场鱼类新鲜度评估提供了快速,便携式的解决方案.
- 传感器检测与TVB-N相关的pH值变化的能力提供了鱼类腐败的可靠指标.
- 这项技术有可能显著改善海鲜行业的食品安全监测.
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