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Rheological characterization of cricket ink. A) Representative viscosity of cricket ink (μ) with changing shear rate (γ) over time: (1) before extrusion, (2) during extrusion, and (3) after extrusion through the nozzle. B) Viscosity (μ) as a function of applied shear rate (γ). C) Storage moduli (G′) and loss moduli (G″) as a function of applied oscillatory shear stress (σ). Yield stress corresponds to the crossover point between storage and loss modulus.
