HIV test on a USB disk - Premiumstech: Tech News, How-Tos, Science and Health Tips



HIV test on a USB disk

Imperial college London and DNA electronics recently produced a device that uses a drop of blood to detect HIV, and then creates an electrical signal that can be read by a computer, laptop or handheld device.The disposable test could be used for HIV patients to monitor their own treatment.
Furthermore, the technology could enable patients with HIV to be managed more effectively in remote locations.
New researching, published in the journal Scientific Reports, shows the device is not only very accurate, but can produce a result in under 30 minutes.
The new technology monitors the amount of virus in the bloodstream. This is crucial to monitoring a patient’s treatment.
The device, which uses a mobile phone chip, just needs small sample of blood. This is placed onto a spot on the USB stick. If any HIV virus is present in the sample, this triggers a change in acidity which the chip transforms into an electrical signal. This is sent to the USB stick, which produces the result in a programme on a computer or electronic device.In the latest research, the technology tested 991 blood samples with 95 per cent accuracy. The average time to produce a result was 20.8 minutes.
The team are also investigating whether the device can be used to test for other viruses such as hepatitis. The technology was developed in conjunction with the Imperial spinout company DNA Electronics which is using the same technology to develop a device for detecting bacterial and fungal sepsis and antibiotic resistance.

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