Fabrication of dual catalytic microcapsules by mesoporous graphitic carbon nitride (mpg-C3N4) nanoparticle-enzyme conjugate stabilized emulsions

Varshney Rohit; Kumar Sushil; Ghosh Kaushik; Patra Debabrata

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Fabrication of dual catalytic microcapsules by mesoporous graphitic carbon nitride (mpg-C3N4) nanoparticle-enzyme conjugate stabilized emulsions

机译：中孔石墨氮化物（MPG-C3N4）纳米粒子酶缀合物稳定乳液制备双催化微胶囊

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Emulsion-templated microcapsules (MCs) were fabricated by simultaneous self-assembly and crosslinking of mpg-C3N4 nanoparticles (NPs) and lipase conjugates at an oil-water interface. The presence of both enzymes and mpg-C3N4 NPs at the interface makes the MCs an ideal candidate for dual catalysis, i.e. biocatalysis and photocatalysis. The biocatalytic activity of the MCs is found to be 1.2 fold higher compared to that of free enzymes and the visible light-induced dye degradation rate by mpg-C3N4-immobilized MCs is 1.7 times higher than that of NPs only. Most importantly, these MCs are capable of performing biocatalytic and photocatalytic activity simultaneously in a mixture of substrate.

机译：通过在油水界面上的MPG-C3N4纳米颗粒（NPS）和脂肪酶缀合物的同时自组装和交联来制造乳液模板化的微胶囊（MCS）。在界面处存在酶和MPG-C3N4 NPS的存在使MCS成为双催化的理想候选者，即生物分析和光催化。与游离酶相比，MCS的生物催化活性高1.2倍，并且通过MPG-C3N4 - 固定MCS的可见光诱导的染料降解速率仅比NPS高1.7倍。最重要的是，这些MCS能够在基材的混合物中同时进行生物催化和光催化活性。

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《New Journal of Chemistry》 |2020年第7期|共6页
作者
Varshney Rohit; Kumar Sushil; Ghosh Kaushik; Patra Debabrata;
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Inst Nano Sci &

Technol Habitat Ctr Phase 10 Sect 64 Mohali 160062 Punjab India;

Inst Nano Sci &

Technol Habitat Ctr Phase 10 Sect 64 Mohali 160062 Punjab India;

Inst Nano Sci &

Technol Habitat Ctr Phase 10 Sect 64 Mohali 160062 Punjab India;

Inst Nano Sci &

Technol Habitat Ctr Phase 10 Sect 64 Mohali 160062 Punjab India;

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正文语种 eng
中图分类化学;
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1. Fabrication of dual catalytic microcapsules by mesoporous graphitic carbon nitride (mpg-C3N4) nanoparticle-enzyme conjugate stabilized emulsions [J] . Varshney Rohit, Kumar Sushil, Ghosh Kaushik, New Journal of Chemistry . 2020,第7期

机译：中孔石墨氮化物（MPG-C3N4）纳米粒子酶缀合物稳定乳液制备双催化微胶囊
2. Strontium titanate nanocubes assembled on mesoporous graphitic carbon nitride (SrTiO3/mpg-C3N4): Preparation, characterization and catalytic performance [J] . Eghbali Paria, Hassani Aydin, Sundu Buse, Journal of Molecular Liquids . 2019,第期

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3. Photo-Ni-Dual-Catalytic C(sp(2))-C(sp(3)) Cross-Coupling Reactions with Mesoporous Graphitic Carbon Nitride as a Heterogeneous Organic Semiconductor Photocatalyst [J] . Khamrai Jagadish, Ghosh Indrajit, Savateev Aleksandr, ACS catalysis . 2020,第6期

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4. Fabrication of Graphitic Carbon Spheres via a Hydrothermal Carbonization Combined Catalytic Graphitization Method Using Cobalt as Catalysts [C] . Saisai Li, Junkai Wang, Qing Zhu, China international conference on high-performance ceramics . 2018

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Fabrication of dual catalytic microcapsules by mesoporous graphitic carbon nitride (mpg-C3N4) nanoparticle-enzyme conjugate stabilized emulsions

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