Bamboo Derived Nitrogen-doped Porous Carbons for Boosting Electrocatalytic Activity for Glucose:A Sustainable and Waste-to-wealth Initiative

doi:10.1007/s40242-025-5057-1

Abstract

Abstract: The sensitive and accurate detection of glucose is of immense importance due to its potential applications in clinical diagnosis, biotechnology and food industry. However, the commercialization of such biosensors is greatly limited by the unsustainability of electrode substrates, which are extracted from fossil fuels. Herein, from the view of sustainability (e.g., cost effectiveness, eco-friendliness and recycling), the bamboo derived nitrogen-doped porous carbons (B-dNPC) were synthesized by employing waste biomass of bamboo as raw material, and the glucose biosensor was developed by using B-dNPC as the support for biocatalyst for the first time. Electrochemical experiments prove a remarkable electrocatalytic activity towards oxygen reduction at the B-dNPC-based biosensor, which allows for sensitive detection of changes in oxygen concentration produced by glucose oxidation. Consequently, the B-dNPC-based biosensor displays a superior performance with a wider linear range (0.2-6.6 mmol/L) and higher sensitivity (30.3 μA‧mmol^-1‧L‧cm^-2) compared to a typical carbon material (carbon nanotube)-based glucose biosensor. Additionally, the biosensor is robust to common interfering substances. Significantly, this work demonstrates the tremendous potential of B-dNPC for glucose detection in complex systems, setting up a typical example to produce high value-added material for the development of sensing analysis.

Key words: Sustainability, Biomass, Porous carbon, Glucose oxidase, Glucose biosensor

XU Cuixing, LI Zhiqiang, BAI Jianliang, HU Zongqian. Bamboo Derived Nitrogen-doped Porous Carbons for Boosting Electrocatalytic Activity for Glucose:A Sustainable and Waste-to-wealth Initiative[J]. Chemical Research in Chinese Universities, 2025, 41(4): 966-974.

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