Recent advances in the detection of contaminants by portable glucose meter in food samples

Hu, Gaoshuang; Su, Dan; Wu, Tianqi; Zhao, Tao; Xu, Longhua; Gao, Shan; Hao, Jianxiong

doi:10.3136/fstr.fstr-d-22-00115

Cited by 2 publications

(1 citation statement)

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“…Glucose is a vital source of energy for the human body. However, excessive intake can lead to elevated blood sugar levels, increasing the risk of developing diseases such as diabetes and cardiovascular disorders. , Therefore, monitoring the glucose content in food is crucial for individuals to control their diet and avoid excessive consumption of simple sugar, thus preventing the onset of these diseases . The significance of analyzing glucose in food has driven the rapid advancement of detection technologies, including colorimetry, surface plasmon resonance, electrochemistry, fluorescence spectroscopy, and liquid chromatography .…”

Section: Introductionmentioning

confidence: 99%

Pt Single-Atom Catalyst on Co₃O₄ for the Electrocatalytic Detection of Glucose

Zhang,

Zeng,

Liu

et al. 2024

ACS Appl. Nano Mater.

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Developing an accurate, reliable, and stable glucose detection sensor poses a formidable challenge for the food industry. In this study, hydrothermal and wet chemical methods were employed to fabricate a Pt single-atom catalyst on Co 3 O 4 (Co 3 O 4 /Pt SAs), where dispersed Pt atoms collaboratively catalyze the electrochemical reaction on the electrode surface. Subsequently, the integration of the microelectrode with polyethylene glycol diacrylate (PEG-DA) hydrogel and a dualchannel microfluidic chip facilitated continuous and rapid glucose detection. The addition of 5% PEG-DA hydrogel served to eliminate interference and expedite glucose detection, while the design of the dual-channel microfluidic chip generated microscale vortices, providing ample reaction opportunities for the target glucose while preventing interference from the mixing of previous and current reaction solutions. The research exhibited a favorable linear detection range from 1 to 800 μM, with a detection limit of 0.84 μM. Furthermore, validation of the device's feasibility in real samples demonstrated a glucose recovery rate ranging from 94.9 to 104.4% in beverages.

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