Engineering quantum dots with ionic liquid: a multifunctional white light emitting hydrogel for enzyme packaging

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dc.contributor.author Bhandari, Satyapriya et al.
dc.date.accessioned 2020-03-12T08:51:46Z
dc.date.available 2020-03-12T08:51:46Z
dc.date.issued 2020-02
dc.identifier.citation Bhandari, Satyapriya et al., "Engineering quantum dots with ionic liquid: a multifunctional white light emitting hydrogel for enzyme packaging", Advanced Optical Materials, DOI: 10.1002/adom.201902022, Feb. 2020. en_US
dc.identifier.issn 2195-1071
dc.identifier.uri https://doi.org/10.1002/adom.201902022
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/5222
dc.description.abstract Herein, a new and straightforward approach for the fabrication of a stable and multifunctional white light emitting (WLE) hydrogel is reported. For the first time, the utility of such hydrogels for protein packaging with enhanced activity and stability is presented. Initially, a WLE composite with color chromaticity of (0.33, 0.27) is fabricated by engineering the surface of an orange light emitting Mn2+?doped ZnS quantum dot (QD) using a blue?emitting choline?tosylate ionic liquid (IL). The color chromaticity can be tuned by altering the concentration of the IL and excitation wavelengths. The WLE hydrogel is constructed through the conjugation of the WLE QD?IL composite with an alginate biopolymer. Remarkably, the WLE QD?IL composite and WLE hydrogel show preservation of their structural and luminescence properties for an extended time and thus indicate a potential for storage applications. When cytochrome c (Cyt C) is caged within the WLE hydrogel matrix, the peroxidase activity increases by more than 1.7?times compared with native Cyt C and a Cyt C?loaded QD hydrogel at room temperature. Also, Cyt C?immobilized WLE hydrogel shows a 3.5?fold increase in activity (compared with native Cyt C) at a higher temperature (120 �C) and in the presence of a denaturation agent.
dc.description.statementofresponsibility by Satyapriya Bhandari, et al.
dc.language.iso en_US en_US
dc.publisher Wiley en_US
dc.title Engineering quantum dots with ionic liquid: a multifunctional white light emitting hydrogel for enzyme packaging en_US
dc.type Article en_US
dc.relation.journal Advanced Optical Materials


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