# Siam Physics Congress 2017

24-26 May 2017
Rayong Marriott Resort & Spa
Asia/Bangkok timezone

## Contribution List

Mr Piyachat Wungmool (Kasetsart University), Mr Wu Zhe (Kasetsart University), Mr Nakorn Kumchaiseemak (Kasetsart University), Ms Sirinaree Supansomporn (Kasetsart University), Mrs Malee Sutthiopas (Kasetsart University), Mr Niran Jantawong (Kasetsart University)
24/05/2017, 14:45
Biological Physics and Biomedical Engineering
Oral

We investigate the harvesting of microalgae, living in a culture fluid, by an application of constant electrical current via planar electrodes are made from different materials: aluminum, stainless steel, and graphite. All of these electrodes produce similar fine sub-millimeter bubbles which can levitate the microalgae to the top surface. Unlike graphite, metal sheets are cheap and convenient...

Liangdeng Yu (Thailand Center of Excellence in Physics), Dr Nirut Pussadee (Plasma and Beam Physics Research Facility, Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thiland ), Mr Sirawut Natyanun (Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand)
24/05/2017, 15:10
Plasma and Ion Physics, Nuclear and Radiation Physics
Poster

The aim of this study was to understand elemental concentration distribution in local longan leaves for revealing whether and how the plant was affected by the environment or agricultural operation since longan trees were normally heavily sprayed with fertilizer and pesticide and chemical residues might be long lasted on the leaves. The analysis was carried out using the MeV-microbeam particle...

Dr Nopparit Somboonkittichai (Department of Physics, Faculty of Science, Kasetsart University), Dr Michael Coppins (Blackett Laboratory, Imperial College London, South Kensington, London SW7 2AZ, United Kingdom)
24/05/2017, 15:10
Plasma and Ion Physics, Nuclear and Radiation Physics
Poster

Molten droplets are probably generated in a fusion tokamak through splashing of molten layers of plasma-facing surfaces, during transient events such as disruptions and edge localized modes (ELMs) at which surface melting is unavoidable, and melting of solid wall-material debris, i.e. dust/flakes, by heat flux of an energetic fusion plasma. Molten droplets are allowed if plasma-facing...

Ms Yameela Mhudchudchu (Department of Physics and General Science, Faculty of Science and Technology, Songkhla Rajabhat University), Ms Areeya Tamat (Department of Physics and General Science, Faculty of Science and Technology, Songkhla Rajabhat University), Ms Masae Masae (Department of Physics and General Science, Faculty of Science and Technology, Songkhla Rajabhat University), Ms Supeeya Pao-oh (Department of Physics and General Science, Faculty of Science and Technology, Songkhla Rajabhat University)
24/05/2017, 15:10
Plasma and Ion Physics, Nuclear and Radiation Physics
Poster

The Specific Activities of $^{40}$K, $^{226}$Ra and $^{232}$Th were determinet for 30 beach sand samples collected from Talo kapo beach Yaring District in Pattani Province. Experimental results were obtained by using a high-purity germanium (HPGe) detector and gamma spectrometry analysis system. Gamma ray radioactive standard sources $^{137}$Cs and $^{60}$Co ware used to calibrate the...

Ms Wasinee Khuntawee (Department of Physics, Faculty of Science, Kasetsart University, Bangkok), Ms Pornkamon Nalakarn (Department of Physics, Faculty of Science, Kasetsart University, Bangkok, 10900, Thailand  )
24/05/2017, 15:10
Biological Physics and Biomedical Engineering
Poster

Beta cyclodextrin (βCD) and its derivatives such as methylated βCD (MEβCD) and hydroxypropyl βCD (HPβCD) have been widely used to improve the solubility and the stability of poor water soluble drugs. Most drugs are completely bound inside the hydrophobic cavity interior of the βCDs. In the present work, we studied the pre-step of drugs releasing based on drug-βCDs complexes. The interaction...

Ms Wannakan Sathongsang (Division of Physics, Faculty of Science and Technology, Thammasat University, Klong Nueng, Klong Luang Pathum-Thani, Thailand), Ms Kanyaporn Thubthong (Division of Physics, Faculty of Science and Technology, Thammasat University, Klong Nueng, Klong Luang Pathum-Thani, Thailand)
24/05/2017, 15:10
Photonics and Optoelectronics
Poster

The bulk heterojunction solar cell has been developed for many decades. The electron acceptor is one of the key performance in this solar cells, typically using fullerene derivatives. However, the free fullerene solar cell has been proposed using difference acceptor molecule. Herein, the morphology in bulk heterojunction PCDTBT:Perylene thin films of varied stoichiometry (1:1, 1:2 and 1:4...

Mr Nirut Pussadee (Plasma and Beam Physics Research Facility, Department of Physics and Materials Science, Faculty of Science, Chiang Mai University), Mr Sitthipong Yapo (Department of Physics and Materials Science, Faculty of Science, Chiang Mai University)
24/05/2017, 15:10
Physics Education
Poster

Measuring surface water wave properties such as amplitude and wavelength can be difficult when the wave amplitude is very small. The digital image correlation (DIC) MATLAB program makes it possible to analyze such surface wave properties. The technique relies on analyzing of pattern displacement images due to surface perturbation of random patterns at the bottom of the water container. This...

Mr Jiramate Kitjanon (1. Department of Physics, Faculty of Science, Kasetsart University, Bangkok, 10900, Thailand 2. Computational Biomodelling Laboratory for Agricultural Science and Technology (CBLAST), Faculty of Science, Kasetsart University, Bangkok 10900, Thailand )
24/05/2017, 16:50
Nanoscale Physics and Nanotechnology
Oral

Pure natural rubber (NR) has low durability and elasticity, which become a major bottleneck for practical use. To overcome the limitation, in general, the adding of carbon black and silica particles is applied$^{1,2}$, but carbon black has an effect of polymer cracking. Interestingly, the fullerene (C60) and carbon nanotube (CNT) can be used as rubber additive, resulting in the significant...

Prof. Rattikorn Yimnirun (School of Physics, Institute of Science and NANOTEC-SUT Center of Excellence on Advanced Functional Nanomaterials Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand)
25/05/2017, 15:20
Material Physics and Functional Materials
Invited Speaker

The Synchrotron-based X-Ray Absorption Near-edge Spectroscopy (XANES) and Polarized Neutron Reflectivity (PNR) techniques were employed to investigate the structural properties of BiFe$_{1-x}$Mn$_{x}$O$_{3}$ ceramic and Co/CoO/Au multilayer, especially to study the local structure of Mn in BiFe$_{1-x}$Mn$_{x}$O$_{3}$ ceramic and to verify the formation of secondary phase in Co/CoO/Au...

Somphoach Saichaemchan (Naresuan University)
25/05/2017, 17:00
Astronomy, Astrophysics, and Cosmology
Poster

We present and analyze phase portraits of dynamical scalar field of Non-Minimal Derivative Coupling Gravity model in Palatini formalism.

Mr Nikorn Shinsuphan (Department of Physics, Faculty of Science, Khon Kean University, 123 Mittraparp Road, Khon Kaen, 40002 ), Dr Sriprajak Krongsuk (Department of Physics, Faculty of Science, Khon Kean University, 123 Mittraparp Road, Khon Kaen, 40002, Integrated Nanotechnology Research Center, Faculty of Science, Khon Kaen University, Khon Kaen, 40002 ), Dr Jeffrey R. Johns (Melatonin Research Group, Faculty of Pharmaceutical Science, Khon Kaen University, Khon Kaen 40002, Thailand)
25/05/2017, 17:00
Atomic Physics, Quantum Physics, Molecular and Chemical Physics
Poster

The hybrid quantum mechanical/molecular mechanical (QM/MM) method has been used to investigate on mono-hydration and poly-hydration phenomena of the polar head group of Span 60 molecule in both gas and aqueous phases. Our calculations were performed by using Gaussian 09 program. The result indicates that Span 60 interacting with one water molecule shows the mono-hydration effect of the head...