Innovative Virus Scanner for Smartphones Developed in Tokyo

Introduction to the Device

A research group based in Tokyo has introduced a novel virus scanner designed for smartphones, capable of detecting viruses in biological samples. This breakthrough, detailed in a recent study published in *Lab on a Chip*, presents a device that is not only compact but also user-friendly and cost-effective compared to traditional laboratory equipment.

Design and Functionality

The virus scanner is roughly the size of a brick and is engineered to accommodate a smartphone at the top, aligning the phone’s camera with a small lens inside the device. Users can download a dedicated app to visualize the viruses present in their samples. The viruses are captured on the surface of tiny holes, which are illuminated by an LED light. A surrounding fluid glows only when a virus is present in a hole, allowing for clear visualization against a dark background.

Applications of the Virus Scanner

The researchers aim to deploy this technology in remote and underserved communities to help combat illnesses such as influenza. Yoshihiro Minagawa, the lead researcher, stated, “I wanted to produce a useful tool for inaccessible or less-affluent communities that can help in the fight against diseases such as influenza. Diagnosis is a critical factor of disease prevention. Our device paves the way for better access to essential diagnostic tools.”

Effectiveness Compared to Traditional Methods

The smartphone virus scanner has shown remarkable effectiveness in preliminary tests. In studies involving two similar samples containing the flu virus, the device detected approximately 60% of the viruses identified by a fluorescence microscope, which is a larger and more complex machine. Moreover, this smartphone-based device operates more swiftly and is estimated to be 100 times more sensitive than rapid flu test kits, while also being versatile enough to detect viruses beyond just the flu.

Future Prospects

As smartphones become more sophisticated and affordable, the researchers envision widespread accessibility of this technology worldwide. They also plan to expand the device’s capabilities to include testing for additional biomarkers, such as DNA, enhancing disease prevention efforts and ultimately saving lives.

Conclusion

This innovative virus scanner represents a significant advancement in mobile health technology, potentially transforming diagnostic practices in underserved areas.

References

Yoshihiro Minagawa, Hiroshi Ueno, Kazuhito V. Tabataa, and Hiroyuki Noji. Mobile imaging platform for digital influenza virus counting. *Lab on a Chip*. 17 Jul 2019.
Press release: Smartphone virus scanner is not what you think. https://www.eurekalert.org/pub_releases/2019-07/uot-svs073019.php
Image by TeroVesalainen from Pixabay.