Vol. 26 No. 02 (2021): APR-JUN – Asia-Pacific Journal of Science and Technology (APST)

Vol. 26 No. 02 (2021): APR-JUN

Parametric study of pedicle screw: effect of stress transfer parameters on pullout strength

Chompunut Somtua Department of Mechanical Engineering, Faculty of Engineering, Mahidol University, Nakorn Pathom, Thailand Panya Aroonjarattham Department of Mechanical Engineering, Faculty of Engineering, Mahidol University, Nakorn Pathom, Thailand Kitti Aroonjarattham Department of Orthopaedics, Faculty of Medicine, Burapha University, Chonburi, Thailand DOI: https://doi.org/10.14456/apst.2021.30 Keywords: Screw parameters Pullout strength Pedicle screw Stress transfer parameter Abstract A pedicle […]

Vol. 26 No. 02 (2021): APR-JUN

Isolation, characterization and identification of an As(V)-resistant plant growth promoting bacteria for potential use in bioremediation

Puja Agnihotri Department of Microbiology, St .Xavier’s College, West Bengal, India Sharanya Banerjee Department of Microbiology, St .Xavier’s College, West Bengal, India Madhumita Maitra Department of Microbiology, St .Xavier’s College, West Bengal, India Arup K. Mitra Department of Microbiology, St .Xavier’s College, West Bengal, India DOI: https://doi.org/10.14456/apst.2021.29 Keywords: As(V) Inductively coupled plasma optical emission spectroscopy […]

Vol. 26 No. 02 (2021): APR-JUN

A top-down approach to preparation of H-Y zeolite nanoparticles

Saepurahman Si S Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, Indonesia Raed Hashaikeh 2NYUAD Water Research Center, New York University Abu Dhabi, Abu Dhabi, United Arab Emirates Teguh Kurniawan Chemical Engineering Department, Universitas Sultan Ageng Tirtayasa Jl, Cilegon, Indonesia DOI: https://doi.org/10.14456/apst.2021.28 Keywords: H-Y zeolite Ball milling […]

Vol. 26 No. 02 (2021): APR-JUN

Methane recovery from cassava starch wastewater via anaerobic digestion: Effect of inoculum source and kinetic study

Chayanon Sawatdeenarunat Asian Development College for Community Economy and Technology, Chiang Mai Rajabhat University Chiang Mai, Thailand Sasithorn Saipa Asian Development College for Community Economy and Technology, Chiang Mai Rajabhat University Chiang Mai, Thailand Pitchaya Suaisom Energy Research and Development Institute-Nakornping, Chiang Mai University, Chiang Mai, Thailand DOI: https://doi.org/10.14456/apst.2021.27 Keywords: Anaerobic digestion Cassava starch wastewater […]

Vol. 26 No. 02 (2021): APR-JUN

Survey the suitable approach to predict the local scour depth around a bridge pier

Waqed H. Hassan 1Department of Civil Engineering, University of Kerbala, Kerbala, Iraq https://orcid.org/0000-0002-2351-2151 Halah K. Jalal Department of Civil Engineering, University of Kerbala, Kerbala, Iraq DOI: https://doi.org/10.14456/apst.2021.26 Keywords: Scour depth prediction Gene expression programming (GEP) Artificial neural network (ANN) Abstract Local scouring around the piers of bridges is one of the main reasons for bridge […]

Vol. 26 No. 02 (2021): APR-JUN

A conceptual framework of blockchain-based portfolios to assess digital competence in WIL

Sukosol Wanotayapitak Southeast Bangkok College, Bangkok, Thailand DOI: https://doi.org/10.14456/apst.2021.25 Keywords: ePortfolio WIL Work integrated learning Blockchain-based portfolio Digital competence Abstract There appear to be three major problems when using ePortfolios to assess student competence with WIL (Work Integrated Learning) information systems, namely, the lack of information sharing, the lack of a link to the job […]

Vol. 26 No. 02 (2021): APR-JUN

Incidence of anti-topoisomerase I antibody seroconversion and clinical association in systemic sclerosis

Soraya Srikamud Department of Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Patnarin Pongkulkiat Department of Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Ajanee Mahakkanukrauh Department of Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Siraphop Suwannaroj Department of Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, […]

Vol. 26 No. 02 (2021): APR-JUN

Simple soft chemical synthesis and characterization of phase pure co-doped LiMn2O4 nanoparticles as cathode materials for Li-ion battery applications

Arputharaj S. Nesaraj Department of Applied Chemistry, Karunya Institute of Technology and Sciences (Deemed to be University), Tamil Nadu, India Alagu S. Deepi Department of Applied Chemistry, Karunya Institute of Technology and Sciences (Deemed to be University), Tamil Nadu, India Gopalakrishnan Srikesh Department of Applied Chemistry, Karunya Institute of Technology and Sciences (Deemed to be […]

Vol. 26 No. 02 (2021): APR-JUN

Antioxidant activities of extract from Makmao seed waste

Ketinun Kittipongpittaya Departmenindustry Technology and Management, Faculty of Agro-Industrt of Agro-y, King Mongkut’s University of Technology North Bangkok, Prachinburi, Thailand Premsak Puangploy Departmenindustry Technology and Management, Faculty of Agro-Industrt of Agro-y, King Mongkut’s University of Technology North Bangkok, Prachinburi, Thailand Piyarach Kullamethee Departmenindustry Technology and Management, Faculty of Agro-Industrt of Agro-y, King Mongkut’s University of […]

Vol. 26 No. 02 (2021): APR-JUN

Incidence of venous thromboembolism in post-operative gynecologic patients at Srinagarind Hospital

Tippawan Thepsiri Department of Obstetrics and Gynecology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Bandit Chumworathayi Department of Obstetrics and Gynecology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand DOI: https://doi.org/10.14456/apst.2021.21 Keywords: Venous thromboembolism Deep vein thrombosis Pulmonary embolism Gynecologic surgery Abstract Venous thromboembolism (VTE) after gynecologic surgery shows high mortality rate […]