Table 1 Cell viability after 5-ALA/PDT treatment in four different cross-sectional shapes.

From: Antitumor immunostimulatory effect via cell-killing action of a novel extracorporeal blood circulating photodynamic therapy system using 5-aminolevulinic acid

D1 × D2 (mm)

A mm × a mm

B mm × b mm

A mm × c mm

B mm × d mm

5-ALA (mM)

5-ALA (mM)

5-ALA (mM)

5-ALA (mM)

0.125

0.25

0.5

0.125

0.25

0.5

0.125

0.25

0.5

0.125

0.25

0.5

Irradiation dose 30 J/cm2

N.T.

29%

6%

81%

83%

50%

82%

73%

48%

N.T.

84%

67%

100 J/cm2

N.T.

7%

5%

61%

47%

34%

63%

41%

14%

N.T.

48%

43%

  1. Cell viability (%) was calculated as 100% in each tube, 5-ALA unloaded and nonirradiated. For D1 (mm) and D2 (mm), A and B (mm) indicate that A < B, and a, b, c, and d (mm) indicate that a < b < c < d. Each experiment represents the mean value of n = 1 to 3. N.T. stands for Not tested.