![]() This was demonstrated by exposing a T-Sensor to variations in gravity from 0 to 1.8 g in a NASA KC135A plane flying repetitive parabolic flight curves.Optional: Dual operation: LAN & VPN at the same time Due to its microfluidic flow characteristics, a T-Sensor functions independently of orientation and strength of the gravitational field. Results are also presented for zero-gravity experiments performed with a T-Sensor on board a NASA experimental plane. The principle is illustrated by the determination of pH and human albumin in whole blood and serum. This device allows, for example, one-time or continuous monitoring of the concentration of analytes in microliters of whole blood without the use of membranes or prior removal of blood cells. fluorescence intensity) of the outer portions of the two interface zones is a function of the concentration of the analyte, and is largely free of cross-sensitivities to other sample components and instrument parameters. Two interface zones are formed between the fluid layers. blood cells) show no significant diffusion within the time the flow streams are in contact. Smaller particles such as ions or small proteins diffuse rapidly across the fluid boundaries, whereas larger molecules diffuse more slowly. an indicator solution), and a reference solution (a known analyte standard) are introduced into a common channel (T-Sensor), and flow side by side until they leave the structure. We demonstrate here the use of a 3-input microfluidic device known as a T-Sensor for the analysis of blood. This allows the adjacent flow of fluids and particles in a channel without mixing other than by diffusion. ![]() In channels with dimensions much less than 1 mm, fluids with viscosities similar to or higher than that of water and flowing at low velocities exhibit laminar behavior.
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