Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 96, Issue 2 (2022) 127-135 127 Journal of Advanced Research in Fluid Mechanics and Thermal Sciences Journal homepage: https://semarakilmu.com.my/journals/index.php/fluid_mechanics_thermal_sciences/index ISSN: 2289-7879 Characterization of a 3D Printed Self-Powered Micropump Mould for Microfluidics Application Nur Ayreen Nafissa Mohd Asry 1 , Nur Shamimi Amirah Md Sunhazim 1 , Natrah Kamaruzaman 1 , Ummikalsom Abidin 1,* 1 School of Mechanical Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Johor Bahru, Johor, Malaysia ARTICLE INFO ABSTRACT Article history: Received 19 March 2022 Received in revised form 25 May 2022 Accepted 3 June 2022 Available online 30 June 2022 The number of words should not exceed 350 Self-powered infusion micropump is a non-mechanical micropumps for microfluidics application. A three- dimensional (3D) printing is an intelligent additive manufacturing technique that permits cheap, fast and accurate geometrically complex designs. In this study, a self-powered infusion micropump master mould was fabricated using stereolithography (SLA) 3D printing technique and was characterized accordingly. Furthermore, polydimethylsiloxane (PDMS) self-powered micropump from the 3D printed mould was successfully replicated using soft lithography technique. Optical microscope with i-Solution Lite imaging software was used for micropump mould dimensions characterization. It was found was that the smallest average percentage difference of 4.26 % was measured for straight inlet channel’s width between the actual mould and the computer-aided design (CAD). The average coefficient of variance (CV) for all micropump components dimensions was 3.22. It was found that the SLA 3D printing reduced manufacturing time and costs by 30.43 % and 82.84 % respectively in comparison to the standard SU-8 mould. In conclusion, SLA 3D printing technology is a viable alternative to master mould fabrication in self-infusion micropump production since it accurately reproduced the design from the CAD input. Keywords: Self-powered micropump; microfluidics; 3D printed mould 1. Introduction Microfluidic systems have garnered significant interest over the last decade due to their ability to consolidate several laboratory operations onto a single chip, thereby permitting point-of-care testing (POCT) technology. Even though the size of the devices or operations is minimized, but the purpose of the systems is still maintained and can help to increase its functionality [1]. Glucose monitoring, hemostasis, cardiac indicators, drug screening, and pregnancy testing are all segments of the POC diagnostics market [2]. Although many sophisticated biochemical processes for POCT may be performed on-chip, a substantial portion of diagnostic procedures require the presence of active components such as pumps and valves to be practical. Additionally, the requirement of external bulky * Corresponding author. E-mail address: ummi@utm.my https://doi.org/10.37934/arfmts.97.1.127135