TABLE I.

Experimental parameters.

Experiment #	Disperse phase	${\mu }_d$ (mPa s)	Continuous phase	${\mu }_c$ (mPa s)	λ	$\sigma$ (mN/m)	Constriction height, H (μm)	Constriction width, Wc (μm)	Droplet volume (pL)	Confinement factor, cf
A1	Water	1	HFE7500 + 30 nm NPs (6% w/w)	1.28	0.78	31.25	30	45	70	1.42
A2	Water	1	HFE7500 + 30 nm NPs (6% w/w)	1.28	0.78	31.25	25	30	50	1.68
A3	Water	1	HFE7500 + 30 nm NPs (6% w/w)	1.28	0.78	31.25	20	25	65	2.24
A4	Water	1	HFE7500 + 30 nm NPs (6% w/w)	1.28	0.78	31.25	25	25	65	2.01
A5	Water	1	HFE7500 + 30 nm NPs (6% w/w)	1.28	0.78	31.25	30	38	70	1.51
A6	Water	1	HFE7500 + 30 nm NPs (6% w/w)	1.28	0.78	31.25	25	40	76	1.71
B1	20 wt. % glycerol solution	1.76	HFE7500 + 30 nm NPs (6% w/w)	1.28	1.38	33.74	30	38	70	1.51
B2	40 wt. % glycerol solution	3.71	HFE7500 + 30 nm NPs (6% w/w)	1.28	2.90	36.12	30	38	70	1.51
B3	70 wt. % glycerol solution	22.5	HFE7500 + 30 nm NPs (6% w/w)	1.28	17.04	35.51	30	38	70	1.51
C1	Water	1	HFE7500 + 100 nm NPs (6% w/w)	1.31	0.76	30.18	30	38	70	1.51
C2	Water	1	HFE7500 + 200 nm NPs (6% w/w)	1.32	0.76	27.69	30	38	70	1.51