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Which risk increases when designing a microfluidic device and laminar flow assumptions break down?

A)Increased dispersion of sample plugs
B)Enhanced thermal conductivity laterally
C)Predictable diffusion of fluid layers
D)Higher precision of chemical reactions

💡 Explanation

Plug dispersion worsens with turbulence because inertial forces dominate viscous forces, promoting chaotic mixing. The onset of turbulence via the Reynolds number causes increased dispersion, therefore precise sample handling drops, rather than predictable diffusion.

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