Effect of Driving Pressure Modes on Microjet Dispersion Characteristics in Tissue-Mimicking Gels for Large-Volume Needle-Free Injection.

As shown in Figure 8 a, for a 1.0 mL ejection volume under the single-phase mode, the dispersion width increases from 15.2 mm to 17.9 mm as the driving pressure rises from 0.75 MPa to 1.50 MPa, exhibiting an overall trend of initial increase followed by stabilization.

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