Surface hydrophilic treatment of polyurea film realized by vacuum ultraviolet light irradiation and its application for poly(methylmethacrylate) blood analysis chip

A room temperature hydrophilic method of the polyurea film surface was developed using vacuum ultraviolet (VUV) light at 172 nm in wavelength. The treated film has highly hydrophilic surface for long time (∼2 months). The stable hydrophilic surface, water contact angle of smaller than 20°, was reali...

Full description

Saved in:
Bibliographic Details
Published in:Sensors and actuators. B, Chemical Chemical, 2008-06, Vol.132 (2), p.374-379
Main Authors: Shinohara, H., Takahashi, Y., Mizuno, J., Shoji, S.
Format: Article
Language:English
Subjects:
Actuators
Adhesion
Blood
Blood analysis chip
Blood flow
Chips
Hydrophilic treatment
Poly(methylmethacrylate)
Polyurea film
Polyureas
Ultrasonic cleaning
Ultraviolet
Vacuum ultraviolet light
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:A room temperature hydrophilic method of the polyurea film surface was developed using vacuum ultraviolet (VUV) light at 172 nm in wavelength. The treated film has highly hydrophilic surface for long time (∼2 months). The stable hydrophilic surface, water contact angle of smaller than 20°, was realized. It is kept even after very hard condition of ultrasonic cleaning in de-ionized water. The polyurea film was applied for poly(methylmethacrylate) (PMMA) blood analysis chip. The performance of the surface treatment was evaluated by actual human whole blood flow. The new chip can reduce the adhesion of platelets and white blood cells, even after ultrasonic cleaning in surfactant-induced water.
ISSN:0925-4005
1873-3077
DOI:10.1016/j.snb.2007.09.072