Mesoporous degradable chitosan-based monoliths: synthesis and applications toward water purification

Katiyar, Jyoti Devi; Chattopadhyay, Subrata

doi:10.1039/d3me00180f

Mol. Syst. Des. Eng.

2024

DOI: 10.1039/d3me00180f

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Mesoporous degradable chitosan-based monoliths: synthesis and applications toward water purification

Jyoti Devi Katiyar,

Subrata Chattopadhyay

Abstract: Sustainable synthesis of porous polymer monoliths (which has significant advantages over powdered porous polymers), capable to adsorb multiple types of pollutants efficiently from water are important as an easily affordable...

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Poly(aminoamide) Based Fluorescent Microgel: A Functional Platform for Selective Detection and Discrimination of Cu²⁺ and Pb²⁺ Ions via Turn‐off/on Behavior in Water

Ghosh,

Anand,

Chattopadhyay

2024

J of Applied Polymer Sci

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Selective detection of more than one metal ion contaminant in water using a single fluorescent probe is challenging. In this work, a one‐pot synthetic approach is presented to prepare fluorescent poly(aminoamide) microgel, which can detect simultaneously and selectively both Cu2+ and Pb2+ by fluorescent turn off and turn on at pH 7 and 12 respectively. Further, while testing water containing a mixture of both Cu2+ and Pb2+ as contaminants, the microgel can detect the characteristic presence of Cu2+ at pH 7 and Pb2+ at pH 12 via their respective turn‐off and on behavior. The mechanistic studies revealed that the dynamic quenching defines the fluorescent turn‐off behavior of the microgel in the presence of Cu2+. On the other hand, aggregation‐induced emission (AIE) is primarily responsible for the fluorescent turn‐on of the microgel in the presence of Pb2+. Additionally, applicability of microgels in real life industrial applications are checked by detecting the presence of both analytes in waste water sample collected from a local sewage treatment plant (STP water).

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Poly(aminoamide) Based Fluorescent Microgel: A Functional Platform for Selective Detection and Discrimination of Cu²⁺ and Pb²⁺ Ions via Turn‐off/on Behavior in Water

Ghosh,

Anand,

Chattopadhyay

2024

J of Applied Polymer Sci

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show abstract

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Mesoporous degradable chitosan-based monoliths: synthesis and applications toward water purification

Abstract: Sustainable synthesis of porous polymer monoliths (which has significant advantages over powdered porous polymers), capable to adsorb multiple types of pollutants efficiently from water are important as an easily affordable...

Cited by 1 publication

References 62 publications

Poly(aminoamide) Based Fluorescent Microgel: A Functional Platform for Selective Detection and Discrimination of Cu²⁺ and Pb²⁺ Ions via Turn‐off/on Behavior in Water

Poly(aminoamide) Based Fluorescent Microgel: A Functional Platform for Selective Detection and Discrimination of Cu²⁺ and Pb²⁺ Ions via Turn‐off/on Behavior in Water

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Mesoporous degradable chitosan-based monoliths: synthesis and applications toward water purification

Abstract: Sustainable synthesis of porous polymer monoliths (which has significant advantages over powdered porous polymers), capable to adsorb multiple types of pollutants efficiently from water are important as an easily affordable...

Cited by 1 publication

References 62 publications

Poly(aminoamide) Based Fluorescent Microgel: A Functional Platform for Selective Detection and Discrimination of Cu2+ and Pb2+ Ions via Turn‐off/on Behavior in Water

Poly(aminoamide) Based Fluorescent Microgel: A Functional Platform for Selective Detection and Discrimination of Cu2+ and Pb2+ Ions via Turn‐off/on Behavior in Water

Contact Info

Product

Resources

About

Poly(aminoamide) Based Fluorescent Microgel: A Functional Platform for Selective Detection and Discrimination of Cu²⁺ and Pb²⁺ Ions via Turn‐off/on Behavior in Water

Poly(aminoamide) Based Fluorescent Microgel: A Functional Platform for Selective Detection and Discrimination of Cu²⁺ and Pb²⁺ Ions via Turn‐off/on Behavior in Water