A portable rotating disc as blood rheometer.

Area of Science:

• Biophysics
• Medical Diagnostics
• Biotechnology

Background:

• Abnormal blood biophysical properties signal serious infections.
• Current diagnostics lack integrated, point-of-care measurement of hematocrit, viscosity, and ESR.

Purpose of the Study:

• To develop a rapid, integrated, accurate, portable, and inexpensive sensing platform for key blood parameters.
• To enable point-of-care diagnostics for life-threatening infections.

Main Methods:

• A simple, portable spinning disk device was developed.
• Requires only 40 μl of anticoagulated blood.
• Hematocrit measured with a ruler; ESR determined by blood flow rate.

Main Results:

• The device provides results in minutes, significantly faster than traditional methods.
• Measures hematocrit and ESR with minimal infrastructure and blood volume.
• Demonstrates accuracy, portability, and cost-effectiveness.

Conclusions:

• The spinning disk platform offers a rapid and efficient method for assessing critical blood parameters.
• Its ease of use and minimal requirements make it ideal for extreme point-of-care settings.
• Potential for automation enhances its utility in diagnosing infections.