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Table 3 Tip surface properties for two pipettes having different sizes.

From: Surface properties of glass micropipettes and their effect on biological studies

Name

Value (D t = 34.5 μm)

Value (D t = 3.9 μm)

Description

S a

149.1 nm

30.8 nm

Average height of selected area

S q

209.9 nm

42.0 nm

Root-mean-square height of selected area

S p

1437.4 nm

304.1 nm

Maximum peak height of selected area

S v

1,409.3 nm

238.0 nm

Maximum valley depth of selected area

S z

2,846.7 nm

542.1 nm

Maximum height of selected area

S 10z

2,304.3 nm

414.59 nm

Ten-point height of selected area

S sk

-0.2118

-0.514

Skewness of selected area

S ku

7.0253

6.4208

Kurtosis of selected area

S dq

0.5767

1.3246

Root-mean-square gradient

S dr

13.129%

79.532%

Developed interfacial area ratio

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