Visualization of extracellular polymeric substances in <i>Aspergillus niger</i> biofilms using lectin-conjugates and confocal laser scanning microscopy (CLSM)

Shailaja, Aswathy; Kerrigan, Julia; Bruce, Terri F.; Gerard, Patrick

doi:10.1017/s1431927621006917

Microsc Microanal

2021

DOI: 10.1017/s1431927621006917

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Visualization of extracellular polymeric substances in Aspergillus niger biofilms using lectin-conjugates and confocal laser scanning microscopy (CLSM)

Aswathy Shailaja

Julia Kerrigan

Terri F. Bruce

et al.

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2024

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Cited by 2 publications

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Integrating Multiple Strategies Using Biotechnology to Design High‐Performance Electrocatalysts for Hydrogen and Oxygen Evolution

Ge,

Liu,

Xue

et al. 2024

Adv Funct Materials

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Combining multiple design strategies often enhances catalyst performance but usually comes with high costs and low reproducibility. A technique that enhances catalyst performance in multiple strategies is urgently needed. Herein, a novel bioregulation technique is introduced, allowing simultaneous control over morphology, particle size, doping, interface engineering, and electronic properties. Bioregulation technique utilizes the soluble extracellular polymer from Aspergillus niger as a templating agent to construct high‐performance catalysts for hydrogen and oxygen evolution reaction (HER and OER). This technique controls catalyst morphology, introduces biological N and S doping, and regulates the electronic structure of the catalyst surface. Biomolecule modification enhances surface hydrophilicity, and the nanostructure increases surface roughness and gas‐release efficiency. Theoretical calculations show that the bioregulation technique shortens the d/p‐band center, optimizing reaction intermediate adsorption and desorption. The Bio‐Pt/Co3O4 catalyst with trace Pt on the surface, designed with these strategies, achieves HER (η10 of 42 mV), OER (η10 of 221 mV), and overall water‐splitting performance (1.51 V at 10 mA cm−2), maintaining stability for over 50 h, outperforming most Pt‐based catalysts. Notably, using spent lithium‐ion battery cathodes leachate, rich in Co2⁺, successfully replicates the experiment. This approach holds promise as a mainstream method for synthesizing high‐performance materials in the future.

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Integrating Multiple Strategies Using Biotechnology to Design High‐Performance Electrocatalysts for Hydrogen and Oxygen Evolution

Ge,

Liu,

Xue

et al. 2024

Adv Funct Materials

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show abstract

Ecotoxicity of three typical tire wear particles to periphytic biofilms: The potentiating role after natural water-incubation-aging

Li,

Hao,

et al. 2024

Environmental Pollution

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Visualization of extracellular polymeric substances in Aspergillus niger biofilms using lectin-conjugates and confocal laser scanning microscopy (CLSM)

Cited by 2 publications

References 8 publications

Integrating Multiple Strategies Using Biotechnology to Design High‐Performance Electrocatalysts for Hydrogen and Oxygen Evolution

Integrating Multiple Strategies Using Biotechnology to Design High‐Performance Electrocatalysts for Hydrogen and Oxygen Evolution

Ecotoxicity of three typical tire wear particles to periphytic biofilms: The potentiating role after natural water-incubation-aging

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