Different Oxidation Treatments on Polystyrene (PS) Microspheres by using an Ultraviolet/Ozone (UVO3) System | [Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences • 2017]

Author(s):

1. Mohd Azmir Arifin: Department of Biotechnology Engineering, Faculty of Engineering, International Islamic University Malaysia,Jalan Gombak, 50728, Kuala Lumpur,Malaysia; Faculty of Engineering Technology,Universiti Malaysia Pahang, Lebuhraya Tun Razak, 26300, Gambang, Kuantan, Pahang,Malaysia

2. Maizirwan Mel: Department of Biotechnology Engineering, Faculty of Engineering, International Islamic University Malaysia,Jalan Gombak, Kuala Lumpur,Malaysia

3. Nurhusna Samsudin: Department of Biotechnology Engineering, Faculty of Engineering, International Islamic University Malaysia,Jalan Gombak, Kuala Lumpur,Malaysia

4. Yumi Zuhanis Has-Yun Hashim: DepartmentofBiotechnologyEngineering,FacultyofEngineering,InternationalIslamicUniversityMalaysia, Jalan Gombak, Kuala Lumpur, Malaysia; International Institute for Halal Research and Training, International Islamic University Malaysia, Jalan Gombak, Kuala Lumpur, Malaysia

5. Hamzah Mohd. Salleh: DepartmentofBiotechnologyEngineering,FacultyofEngineering,InternationalIslamicUniversityMalaysia, ; International Institute for Halal Research and Training, International Islamic University Malaysia, Jalan Gombak, Kuala Lumpur, Malaysia

6. Iis Sopyan: Department of Manufacturing and Materials Engineering, Faculty of Engineering, International Islamic University Malaysia,Jalan Gombak, 50728, Kuala Lumpur,Malaysia

Abstract:

Oxidation is a common physical treatment used to render the surface of polystyrene suitable for cell adhesion and spreading. In this work, the effects of oxidation of polystyrene (PS) microspheres by three different treatments; oxidation by ozone aeration only, UV irradiation only or by the combination of both (UVO3), by using a self-fabricated UVO3 system were investigated. Results expressed in carboxylic acid (COOH) concentrations on the surface of microspheres revealed that, the treatment by UVO3 yielded the highest concentration. Presence of atomic oxygen species in UVO3 treatment has contributed to higher COOH concentration.

Page(s): 59-64

DOI: DOI not available

Published: Journal: Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences, Volume: 54, Issue: 1, Year: 2017

Keywords:

Microspheres , oxidation , ultravioletozone , polystyrene

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