相关实验视频

Updated: May 5, 2026

Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae

Quantification of Heavy Metals and Other Inorganic Contaminants on the Productivity of Microalgae

Published on: July 10, 2015

高性能液体染色学在培养介质和微藻细胞中量化草甘,氨基甲基酸和酸盐

Juan Manuel Ostera^1,2, Valentina Olmos³, Susana Puntarulo^1,2

¹Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Ciencias Químicas, Cátedra de Fisicoquímica, Buenos Aires, Argentina.

|April 14, 2025

概括

本研究提出了使用UHPLC-FLR.在微藻培养中量化草甘 (GLY) 和其代谢物AMPA的成本有效方法. 它还详细介绍了一种用于测量暴露于GLY的微藻细胞中的甲酸 (AH-) 的快速协议,以加强环境和生物监测.

科学领域:

环境化学环境化学
分析化学分析化学
微藻生物技术微藻生物技术

背景情况:

草甘 (GLY) 是一种普遍存在的除草剂,但由于极性和降解,其在水生环境中的量化具有挑战性.
微藻很容易受到GLY引起的氧化应激,因此需要可靠的分析方法来监测.
亚酸 (AH-) 是微藻中至关重要的抗氧化剂,其水平可以表明细胞应激反应.

研究的目的:

在微藻培养介质中适应和验证用于量化GLY及其代谢物AMPA的成本有效协议.
修改一项用于测量暴露于GLY.algal的微藻细胞中 Askorbic 酸 (AH-) 水平的协议.
为研究除草剂对微藻的影响的研究人员提供可访问的分析工具.

主要方法:

使用光检测 (FLR) 的超高压液态染色学 (UHPLC) 来量化GLY和AMPA.
一个先前发表的协议的调整,用于用电化学检测 (EC) 的HPLC在微藻细胞中测量 Askorbic acid (AH-),适应UV-Vis.
样品准备程序设计的简单性和最小的设备要求.

主要成果:

在微藻培养介质中成功适应UHPLC-FLR用于微量GLY和AMPA检测.
开发一种快速和设备轻量级的协议,用于微藻中的AH量化.
与基于MS的方法相比,经过证明的成本效益和可访问性.

结论:

开发的UHPLC-FLR和HPLC-EC协议为分析GLY,AMPA和AH-在微藻研究中提供了可访问和负担得起的替代方案.
这些方法有助于研究微藻对草甘暴露的生态毒理学和生理反应.
这些协议适用于环境和生物科学中的常规监测和研究应用.

关键词:

氨基甲基酸氨基甲基酸.衍生化衍生化衍生化电化学探测器电化学探测器草甘是一种天然的草甘.在HPLC中使用HPLC.微藻类是一种微藻类.

更多相关视频

Measuring Rates of Herbicide Metabolism in Dicot Weeds with an Excised Leaf Assay

Measuring Rates of Herbicide Metabolism in Dicot Weeds with an Excised Leaf Assay

Published on: September 7, 2015

A Multi-Omics Extraction Method for the In-Depth Analysis of Synchronized Cultures of the Green Alga Chlamydomonas reinhardtii

A Multi-Omics Extraction Method for the In-Depth Analysis of Synchronized Cultures of the Green Alga Chlamydomonas reinhardtii

Published on: August 8, 2019

相关概念视频

Fixation and Sectioning

Fixation and Sectioning

Two basic types of preparation are used to visualize specimens with a light microscope: wet mounts and fixed specimens.
The simplest type of preparation is the wet mount, in which the specimen is placed in a drop of liquid on the slide. A liquid specimen can be directly deposited on the slide using a dropper. Solid specimens, such as skin scraping, can be placed on the slide before adding a drop of liquid to prepare the wet mount. Sometimes the liquid is simply water, but stains are often added...

Differential Staining Technique

Differential Staining Technique

Differential staining is an essential microbiological technique that exploits variations in cell wall structures to classify and identify microorganisms. It facilitates the distinction of bacteria, aiding in diagnostic and research applications. Two of the most widely used differential staining methods are Gram staining and acid-fast staining, both of which rely on the chemical and structural differences in bacterial cell walls.Gram Staining TechniqueGram staining differentiates bacteria by...

Special Staining Techniques

Special Staining Techniques

Specialized staining techniques play a vital role in microbiology by enabling the visualization of specific bacterial structures that remain undetectable with standard microscopy methods. These techniques not only enhance the structural visualization of bacterial cells but also provide critical insights into their pathogenicity and classification. Additionally, they support diagnostic and research endeavors in microbiology by identifying key bacterial features.Capsule Staining for Virulence...