Table 2 Overview of the most effective combination between microbubble concentrations, microsphere sizes and voltages in ATI, DFI and PCI with highest signal in CNRa and CNRw.

From: Imaging characteristics of intravascular spherical contrast agents for grating-based x-ray dark-field imaging – effects of concentrations, spherical sizes and applied voltage

 

Microbubbles

Microspheres

Contrast

Voltage

Concentration

Contrast

Voltage

Size

ATI

CNRa

40 kV

3.2 µg/ml

CNRa

40 kV

500 µm

CNRw

40 kV

3.2 µg/ml

CNRw

40 kV

500 µm

DFI

CNRa

60 kV

3.2 µg/ml

CNRa

60 kV

500 µm

CNRw

80 kV

3.2 µg/ml

CNRw

40 kV

500 µm

PCI

CNRa

40 kV

0.32 µg/ml

CNRa

40 kV

700 µm

CNRw

40 kV

0.32 µg/ml

CNRw

40 kV

1100 µm