Surface and its manufacture and uses

Details Surface and its manufacture and uses Surface and its manufacture and uses

2005-11-22

2005-11-22

Witz, Jean C. (Department: 1651)

Chemistry: molecular biology and microbiology

Animal cell, per se ; composition thereof; process of...

Solid support and method of culturing cells on said solid...

C435S307100, C427S446000, C422S051000

Reexamination Certificate

active

06967101

ABSTRACT:
A method for rendering a surface covered by a plastic material more hydrophilic by treatment with a gas plasma non-polymerizable gas. The method is characterized in that the intensity of the plasma is selected so that the surface becomes permanently more hydrophilic. Also disclosed is a naked plasma treated surface of plastic having an immediate water contact angle of ≦30°, said water contact angle is changed ±20 and/or less than 5% upon washing with an ethanol/water mixture (70% w/w).

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