Plasma modification of PMMA films: surface free energy and cell-attachment studies

Date

2007-06-01

Author

Ozcan, Canturk
Hasırcı, Nesrin

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

85
views

0
downloads

The surface of a material is the most important part determining the acceptance by and compatibility with the environment. In many cases, although the bulk properties are excellent for a specific application, the surface may require to be modified and engineered in the desired direction. This is especially important for materials used in biological media, since the surface charge, hydophilicity and wettability are important for thrombosis formation, cell attachment or cell proliferation. In this study, poly(methyl methacrylate) films were prepared by solvent casting and their surfaces were modified by oxygen plasma treatment by applying powers of 20, 100 and 300 W. The effects of surface chemistry alterations on hydophilicity, work of adhesion, surface free energy and cell adhesion were examined. Cell attachment and proliferation are especially important for the materials used for tissue-engineering purposes. The results demonstrated that there is an optimum value for hydrophilicity and surface free energy which enhance cell attachment.

Subject Keywords

Poly (methyl methacrylate) (PMMA), Cell attachment, Work of adhesion, Surface modification, Plasma

URI

https://hdl.handle.net/11511/30395

Journal

JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION

DOI

https://doi.org/10.1163/156856207781034124

Collections

Graduate School of Natural and Applied Sciences, Article

Suggestions

OpenMETU
Core

Influence of oxygen plasma modification on surface free energy of PMMA films and cell attachment Ozcan, Canturk; Zorlutuna, Pinar; Hasırcı, Vasıf Nejat; Hasırcı, Nesrin (2007-10-04) For any biomaterial placed into a biological medium, the surface properties of the material, such as porosity, crystallinity, presence and distribution of electrical charge and functional groups are very critical parameters that determine the acceptance or rejection of the material. Applications, especially tissue engineering require some surface modifications at the molecular level without disturbing the bulk properties of the implants in order to enhance the cell attachment on the material. An appropriate...
Plasma surface modification and characterization of pmma films Özgen, Özge; Hasırcı, Nesrin; Hasırcı, Vasıf Nejat; Department of Polymer Science and Technology (2011) Surface properties play an essential role for determining the behavior of a material for many applications such as coating, printing, adhesion and prosthesis implanting since the surface is the first part that comes in contact with the environment. Although the bulk properties of some materials are at the desired level, the surface may need to be modified for a better compatibility with its surrounding. Plasma treatment is one generally preferred technique because of its high potential to create various fun...
IMPLEMENTATION OF STRONG LIGHT-MATTER INTERACTION FOR FABRICATION AND LIGHT MANAGEMENT OF THIN CRYSTAL SILICON SOLAR CELLS Zolfaghari Borra, Mona; Bek, Alpan; Ünalan, Hüsnü Emrah; Department of Micro and Nanotechnology (2021-7-29) The integration of photonic components with electrical elements on the same silicon chip may lead to the development of new technologies. One limitation is the space available on the wafer surface, which is restricted. Currently, conventional fabrication techniques produce devices only on the top thin layer of the wafer surface. As a result, new architectural designs are required. Producing functional components deep inside Si without creating damage to the surfaces is a potential technique for overcoming t...
Evaluation of surface free energy for PMMA films Ozcan, Canturk; Hasırcı, Nesrin (2008-04-05) Surface free energy (SFE) is a property resulted from the chemical structure and the orientation of the molecules at the surface boundary of the materials. For solids, it can be calculated from the contact angles of liquid drops with known surface tension, formed on the solid surface. There are various SFE evaluation methods based on different theoretical assumptions. In this study, SFE and the dispersive, polar, acidic and basic components of the SFE of a polymeric material, poly(methyl methacrylate) (PMMA...
Metallization of high density polyurethane surfaces Aykaç, Büşra; Karakaya, İshak; Department of Metallurgical and Materials Engineering (2019) AElectroplating onto polymeric materials is required for different purposes in various applications. Commercial polyurethanes (PU) are electrically insulator materials and durable at high temperatures. Nevertheless, the PU used in this study has high electrical conductivity, a low thermal expansion coefficient and is a high density foam. In this work, surface metallization of PU foam was studied to prepare the surface for a subsequent electroplating process. The surface metallization was carried out by sens...

Citation Formats

C. Ozcan and N. Hasırcı, “Plasma modification of PMMA films: surface free energy and cell-attachment studies,” JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION, pp. 759–773, 2007, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/30395.