Casein based carbon nanodots as the sensor probe for selective detection of Fe3+ ions in aqueous environment

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28610%2F23%3A63574619" target="_blank" >RIV/70883521:28610/23:63574619 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Casein based carbon nanodots as the sensor probe for selective detection of Fe3+ ions in aqueous environment

Original language description

Due to their extraordinary qualities, including low toxicity, simplicity in production, great sensitivity, and outstanding optical properties, carbon nanodots (CNDs) are the subject of extensive research. Owing to these characteristics, they have a high potential to be used in the metal ion sensing applications. In this study, the microwave reactor approach has been used to synthesize CNDs. Casein and PVP were utilized as carbon precursor and surfactant. The synthesized CNDs have good optical properties with a characteristic blue emission. Their excellent optical properties give them a foundation for use as a sensing probe for the detection of Fe3+ ions. CNDs have a high sensitivity and selectivity towards Fe3+ ions with a good linear relationship between (Fo-F)/Fo and the concentration ofFe3+ in the range of0-50 µM. The limit of detection of sensing was found to be of about 4.3 µM. Photo-induced electron transfer effect (PET) is responsible for the high selectivity ofFe3+ ions by CNDs. The pH range between 8 - 9 was shown to be the most effective pH for effective sensing. The practical application of CNDs as a sensing probe was demonstrated using Tap water. The CNDs were successful in identifying Fe3+ ions in the tap water, suggesting that they could be employed as a sensor probe for these ions.

Czech name

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Czech description

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Type

O - Miscellaneous

CEP classification

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OECD FORD branch

21001 - Nano-materials (production and properties)

Project

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Continuities

V - Vyzkumna aktivita podporovana z jinych verejnych zdroju

Publication year

2023

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů