Arduino教学:橄榄油中卟啉的荧光

IF 0.9 4区 化学 Q4 CHEMISTRY, MULTIDISCIPLINARY
F. Bolze
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引用次数: 0

摘要

在疫情期间,我们被迫重新考虑实践实验室的教学,因为学生们主要在家工作。这是一个探索使用廉价的微控制器套件进行化学教学的机会,并对家用产品进行一些操作。回到正常生活中,重要的是要对这些设备进行估价,并设计简单的化学实验,学生可以在家里使用适合化学的Arduino试剂盒进行这些实验,以说明除了在实验室中使用特定设备和产品进行的经典操作外的各种课程。我们在这里描述了一种简单廉价的基于Arduino的荧光计的构建及其用于研究橄榄油中卟啉(主要是叶绿素和脱镁叶绿素)的相对含量,以及加热对这些物质降解的影响。我们使用了一个带有LED的Arduino Uno套件、一个与激励阻断滤波器相关的光频转换器和一个3D打印的样品支架。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Teaching with Arduino: Porphyrinoids’ fluorescence in olive oil
During the pandemic period, we were forced to reconsider teaching of practical labs, as students had mainly to work at home. It was the occasion to explore the use of cheap microcontroller kits for teaching chemistry and to work out some manipulations with household products. Back to normal life, it is important to valorize this equipment and work to design simple chemistry experiments which could be performed by students at home with Arduino kits adapted to chemistry, to illustrate various courses in addition to classical manipulations performed in the laboratory with specific equipment and products. We describe here the construction of a simple and cheap Arduino-based fluorimeter and its use to study relative porphyrinoids (mainly chlorophylls and pheophytins) contents in olive oils, and the effect of heating on the degradation of such substances. We used an Arduino Uno kit with a LED, a light-to-frequency converter associated with an excitation-blocking filter, and a 3D-printed sample holder.
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来源期刊
CiteScore
2.10
自引率
20.00%
发文量
62
审稿时长
1 months
期刊介绍: The Journal of Porphyrins and Phthalocyanines (JPP) covers research in the chemistry, physics, biology and technology of porphyrins, phthalocyanines and related macrocycles. Research papers, review articles and short communications deal with the synthesis, spectroscopy, processing and applications of these compounds.
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