New copper metal-organic framework nanozymes allow clever meals detection


New copper metal-organic framework nanozymes enable intelligent food detection
Schematic diagram of Cu-MOF nanozyme design and LTP preparation course of. Credit score: Liu Chao

Nanozymes have excessive catalytic exercise, excessive stability and excessive adaptability, and have grow to be a brand new delicate materials for constructing sensors within the discipline of detection. Designing and making ready environment friendly nanozymes and promotion of their software in meals detection have attracted a lot consideration from researchers.

Not too long ago, a staff led by Prof. Huang Qing from the Hefei Institutes of Bodily Science of the Chinese language Academy of Sciences, ready a collection of Cu metallic (MOF) nanozymes with the gas-liquid interface dielectric barrier discharge (DBD) low-temperature plasma (LTP) expertise.

The research is revealed within the journal Biosensors and Bioelectronics.

These nanozymes have completely different base ligands and mimic the exercise of laccase. They exhibited various responses to 5 frequent bioactive substances present in meals.

New copper metal-organic framework nanozymes enable intelligent food detection
Analysis of pure lively elements in actual meals samples utilizing smartphones. Credit score: Liu Chao

Huang and his staff additionally developed encoded array able to , delicate, and fast identification and quantitative evaluation of gear within the focus vary of 1.5–150 μg/mL. The sensors can be used for clever sensing and identification of bioactive elements in meals, in accordance with the researchers.

The diploma of shade change induced by the nanozymes might be simply noticed utilizing a smartphone, with these sensors, enabling transportable and clever fast meals detection.

This research supplies not solely a brand new technique to put together environment friendly nanozymes, but additionally an clever and handy technique for meals inspection.

Extra data:
Chao Liu et al, LTP-assisted fabrication of laccase-like Cu-MOF nanozyme-encoded array sensor for identification and clever sensing of bioactive elements in meals, Biosensors and Bioelectronics (2024). DOI: 10.1016/j.bios.2024.116784

Quotation:
New copper metal-organic framework nanozymes allow clever meals detection (2024, September 30)
retrieved 30 September 2024
from https://phys.org/information/2024-09-copper-metal-framework-nanozymes-enable.html

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