Instead of giving a full vial of blood, this pocket-sized device can do lots of tests with just a tiny amount.

Instead of having a blood test and giving a full vial of blood, this tiny device runs fifty different tests at once with just a single drop. The V-chip (volumetric bar-chart chip) was created by scientists at the Methodist Hospital Research Institute and MD Anderson Cancer Center. Preliminary tests of the device have been published by Nature Communications.

The V-chip could allow healthcare providers to test for insulin, cholesterol, and signs of infection all at the same time. These tests usually require large and complex equipment and must be carried out in a lab.

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