New method developed by researchers allows for blood glucose measurement using smartphone  | Technology News

Revolutionizing Healthcare: Harnessing Smartphone Technology to Monitor Blood Glucose Levels

Modern cellphones come equipped with a magnetometer that functions as a compass by detecting Earth’s magnetic field. Researchers have recently discovered a novel use for this feature in examining blood glucose concentrations and other biomarkers. In their proof of concept study, the researchers attached a small container with a solution representing blood, and a hydrogel strip to the cellphone. Hydrogel is a porous material that expands when exposed to water. By incorporating magnetic particles into the hydrogel and modifying it to respond to glucose or pH levels, the researchers were able to detect changes in magnetic field strength using the phone’s magnetometer.

The NIST team believes that this technology could lead to cost-effective glucose monitoring solutions that are easily accessible. Smart hydrogels used in the study are affordable and simple to manufacture, making them potential candidates for commercial test kits that could be attached to smartphones for glucose level measurements. This approach offers a low-cost alternative to current glucose monitoring devices by utilizing existing smartphone technology.

The study results have been published in the journal Nature Communications, highlighting the potential of using smartphones for innovative healthcare applications. This advancement could pave the way for convenient and affordable at-home monitoring of blood glucose levels, offering a promising solution for individuals with diabetes and other health conditions.

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