Researchers from Penn State, Hebei University of Technology and collaborators have developed a sensor that can help diagnose diabetes and prediabetes on-site in a few minutes using just a breath sample. The team’s new work describes a highly sensitive acetone gas sensor with ultralow detection limit based on zinc oxide (ZnO)/laser-induced graphene (LIG) composite with heterostructures on interdigitated electrodes prepared by one-step laser direct writing and simple drop casting.
Image credit: Larry Cheng, Penn State
Previous diagnostic methods often used glucose found in blood or sweat, but this sensor detects acetone levels in the breath. While everyone’s breath contains acetone as a byproduct of burning fat, acetone levels above a threshold of about 1.8 parts per million indicate diabetes.
Researchers from Penn State, Hebei University of Technology and collaborators have developed a sensor that can help diagnose diabetes and prediabetes on-site in a few minutes using just a breath sample. The team’s new work describes a highly sensitive acetone gas sensor with ultralow detection limit based on zinc oxide (ZnO)/laser-induced graphene (LIG) composite with heterostructures on interdigitated electrodes prepared by one-step laser direct writing and simple drop casting.
Image credit: Larry Cheng, Penn StatePrevious diagnostic methods often used glucose found in blood or sweat, but this sensor detects acetone levels in the breath. While everyone’s breath contains acetone as a byproduct of burning fat, acetone levels above a threshold of about 1.8 parts per million indicate diabetes.
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