PhD Scientific Days 2024

Poster Session S - Health Sciences 2.

Advancements in Water Contaminant Detection: Enhancing Food Safety for Animals and Humans

Előadó neve

Cao Cancelas, Alejandro, PhD

Előadó munkahelye

University of Santiago de Compostela

Előadó telefonszáma

637968360

Előadó e-mail címe

alejandro.cao.cancelas@usc.es

Az előadás címe

Advancements in Water Contaminant Detection: Enhancing Food Safety for Animals and Humans

Szerző(k) neve és munkahelye

Alejandro Cao Cancelas¹

1: University of Santiago de Compostela

Bemutatás módja

Poszter

Szekció

Poster Session S - Health Sciences 2.

Language of the presentation

English

Preferred session

Health Sciences

Összefoglaló szövege

Introduction
In recent years, a significant escalation in the presence of toxic substances in water has been observed, primarily attributed to the combined effects of climate change and human activities. This heightened contamination poses a substantial threat to the health and well-being of both wildlife and human populations. Among these toxic substances are cyanotoxins, produced by cyanobacteria, and pesticides. Therefore, an improvement in the detection methods of these substances is necessary to enhance the hygienic quality of drinking water and, consequently, the health of both humans and animals.
Aims
The main objective of this work is to develop a ultra-high pressure liquid chromatography coupled with tandem mass spectrometry (UHPLC-MS/MS) method to identify these contaminants in drinking water with a sensitivity greater than the limit concentration set by European food safety regulations.
Material and methods
To develop this method for the identification of cyanotoxins and pesticides using UHPC-MS/MS, certified reference standards of the most common cyanotoxins have been employed, specifically microcystins (MCs) LR, RR, YR, LA, LY, LF, and des-MC-LR, as well as cylindrospermopsin and anatoxin-A. Regarding pesticides, certified reference standards of the most common pesticides in the European Union, including Imidacloprid, Atrazine, Metolachlor, and Metazachlor, have been utilized.
Results
A short UHPLC-MS/MS method has been developed, enabling the identification of 9 cyanotoxins and 4 pesticides in drinking water. Additionally, the source conditions (electrospray ionization, ESI) for each molecule have been optimized to ensure adequate sensitivity. Furthermore, the method allows for the separation of L-phenylalanine, a common amino acid in nature, from anatoxin-A, as they share the same mass transitions.
Conclusion
This developed method enables the identification and quantification of the most common water contaminants, thereby enhancing food safety for both animals and humans.
Funding
The research leading to these results has received funding mainly from grant PID2020-112626RB-C21 funded by MCIN/AEI/10.13039/501100011033, modalities «Research Challenges» and «Knowledge Generation».

University

University of Santiago de Compostela

Supervisor

Natalia Vilariño

Publication of my abstract

I do not give consent to the publication of my abstract on the website of the congress.

Kind

Szabad

Status

elfogadva

Accepted presentation method

poszter

Előadás fájl jóváhagyás

nem rendelkezett róla

Előadó

7978

Start

16:00

End

16:03