New laser device could provide blood sugar solution

22 August 2014

Researchers at Princeton University have created a new laser device that is able to measure blood sugar to a high level of accuracy. The tool uses a quantum cascade laser to monitor levels and could mean that diabetics are able to check their levels without having to draw blood.

Published in the journal Biomedical Optics Express, the report explains how the device works by being directed over the patient's palm. It then passes through the skin without causing any damage and the laser is partially absorbed by the sugar molecules. 

The researchers can then use the level of absorption to judge how much blood sugar is in the patient's blood.

Sabbir Liakat, the paper's lead author and a a graduate student in electrical engineering, said the team had been surprised with how successful the method had been. Glucose monitors must be within 20 per cent of the patient's actual blood sugar level. The new device was found to meet the standard, even from early tests, but the latest version is 84 per cent accurate.

Posted by Jeanette Royston


Health News is provided by Adfero in collaboration with Spire Healthcare. Please note that all copy above is ©Adfero Ltd. and does not reflect views or opinions of Spire Healthcare unless explicitly stated. Additional comments on the page from individual Spire consultants do not necessarily reflect the views or opinions of other consultants or Spire Healthcare.

Find a treatment, test or scan available at:


Find a consultant

Use one or more of the options below to search for a consultant and link through to view their Spire profile.


Let us help you

fill out this form and we will get back to you:

Please select a hospital

We can call you

Please enter your details below and we will call you back.

What is the aim of your enquiry?

Please select a hospital

If we are unable to reach you by phone, please include your email address so that we can get in touch...



© Spire Healthcare Group plc (2016)