Microwave-assisted synthesis of copper oxide particles and its application for determination of imazapyr in environmental samples

Aguilera, Ángela Yanina; Nezio, María Susana Di; Springer, Valeria

doi:10.1080/03601234.2023.2218798

Journal of Environmental Science and Health, Part B

2023

DOI: 10.1080/03601234.2023.2218798

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Microwave-assisted synthesis of copper oxide particles and its application for determination of imazapyr in environmental samples

Ángela Yanina Aguilera

María Susana Di Nezio

Valeria Springer

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Cited by 2 publications

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User-friendly platform for analysis of high mass intact proteins and glycopeptides by laser desorption/ionization-mass spectrometry based on copper oxide particles

Springer,

Zhou,

Aguilera

et al. 2023

Anal Bioanal Chem

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Matrix-assisted laser desorption/ionization-mass spectrometry (MALDI-MS) based on micro/nanostructured materials with different natures has received increasing attention for the analysis of a wide variety of analytes. However, up to now, only a few studies have shown the application of simple platforms in MALDI-MS for the identification of intact proteins. The present work reports on the application of copper oxide particles (Cu2O PS), obtained by a greener route, in combination with low amounts of 2,5-dihydroxybenzoic acid (DHB) as a novel hybrid platform. The combined Cu2O PS@DHB matrix, containing only 2.5 mg mL−1 of particles and 10 mg mL−1 of DHB, was easily applicable in MALDI-MS without surface modification of target plates. Under optimal conditions, the analysis of intact proteins up to 150,000 Da was possible, including immunoglobulin G, bovine serum albumin, and cytochrome C with adequate spot-to-spot signal reproducibility (RSD < 10%). In addition, the analysis of glycopeptides from IgG digests was carried out to prove the multipurpose application of the Cu2O PS@DHB platform in the low m/z range (2500–3000 Da). From the obtained results, it can be concluded that the optical and surface properties of as-synthesized Cu2O PS are likely to be responsible for the superior performance of Cu2O PS@DHB in comparison with conventional matrices. In this sense, the proposed user-friendly methodology opens up the prospect for possible implementation in bioanalysis and diagnostic research. Graphical Abstract

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User-friendly platform for analysis of high mass intact proteins and glycopeptides by laser desorption/ionization-mass spectrometry based on copper oxide particles

Springer,

Zhou,

Aguilera

et al. 2023

Anal Bioanal Chem

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show abstract

A novel molecular imprinted probe with hybrid ratio fluorescent for visual detection of imazapyr

Zhou,

Xiao,

Huang

et al. 2024

Microchemical Journal

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Microwave-assisted synthesis of copper oxide particles and its application for determination of imazapyr in environmental samples

Cited by 2 publications

References 49 publications

User-friendly platform for analysis of high mass intact proteins and glycopeptides by laser desorption/ionization-mass spectrometry based on copper oxide particles

User-friendly platform for analysis of high mass intact proteins and glycopeptides by laser desorption/ionization-mass spectrometry based on copper oxide particles

A novel molecular imprinted probe with hybrid ratio fluorescent for visual detection of imazapyr

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