用光学传感器原位检测和定量绿冬青中甲基黄嘌呤

IF 0.1
Briggitte Alexandra León Intriago, Andre Cristina Montero Oleas, Diana Sofía Mollocana Yánez, Diana Joella Calderón Carvajal, María de Lourdes Torres Proaño
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引用次数: 0

摘要

本工作旨在建立一种检测和定量冬青中甲基黄嘌呤的系统。该系统被称为IPMA(原位植物代谢感受器),是基于集成了DNA复合体和卟啉(NMM IX)的光学感受器。IPMA检测溶液中已知数量的茶碱和咖啡因的能力以及渗透到番石榴叶中的能力进行了评估。测定的检出限为:溶液中茶碱0.25 mM,溶液中咖啡因0.1 mM,枇杷叶中咖啡因130 mM。这些结果证明了IPMA在直接从生物样品中检测和量化感兴趣的代谢物方面的潜力。开发这种类型的工具将提供广泛的应用,例如植物生理应激的原位测定和具有较高含量的药物或食品化合物的植物品种的表征。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optical aptasensor for in situ detection and quantification of methylxanthines in Ilex guayusa
The present work pursued the development of a system to detect and quantify methylxanthines in Ilex guayusa. The system, called IPMA (In situ Plant Metabolite Aptasensor), is based on an optical aptasensor that integrates a DNA complex and a porphyrin (NMM IX). IPMA's ability to detect known amounts of theophylline and caffeine in solution and infiltrated in guayusa's leaves was evaluated. The detection limits determined were: 0.25 mM for theophylline in solution, 0.1 mM for caffeine in solution, and 130 mM for caffeine in I. guayusa leaves. These results demonstrate the potential of IPMA to detect and quantify metabolites of interest directly from biological samples. Developing this type of tool will provide a wide range of applications such as the in situ determination of physiological stress in plants and the characterization of plant varieties with a higher content of compounds of pharmaceutical or food interest. 
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来源期刊
Avances en Ciencias e Ingenieria
Avances en Ciencias e Ingenieria ENGINEERING, MULTIDISCIPLINARY-
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16
审稿时长
14 weeks
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