รศ.ดร.พิกุล วณิชาภิชาติ (Assoc. Prof. Dr. Pikul Vanichapichat)

	Education:
	B.Sc. (Physics), Chulalongkorn University, Thailand.
	Ph.D. (Biophysics) Univ. of Tasmania., Australia.

	Office:
รศ.ดร.พิกุล วณิชาภิชาติ Assoc. Prof. Dr. Pikul Vanichapichat Associate Professor of Biophysics	P416/2, Department of Physics, Faculty of Science, Prince of Songkla University, Hatyai, Songkla.
Contact Address:
Department of Physics, Prince of Songkla University P.O. Box 3, Khohong Hatyai, Songkla, 90112 Telephone: +66-0-7428-8754 Facsimile:+66-0-7455-8849 E-mail: pikul.v@psu.ac.th

Research Interests:

Electro-mechanical studies of cell suspensions: determination of electrical properties, elastic constants of the membrane, changes in cell parameters due to toxic substances
I-V characteristics of biological membranes: under stress from salts and toxic substances
Transport mechanisms across biological membranes: radioisotope tracer technique, membrane diffusion potentials
Characterization of synthetic membranes: hydraulic permeability, porosity and pore size, impedance spectroscopy
Cell/particle diagnostic and separation tool using electromechanics and microfluidics methods
Membranes for nanoparticle separation
Conducting Polymer

Selected publications:

Puthai W., Wanichapichart P., and Kaewpiboon A. (2004) Effect of Polyethylene Glycol on Characteristics of Chitosan Membranes. Songklanakarin J. Sci. Technol. (Accepted)

Suedee R., Srichana T., Sangpagai C., Tunthana C., and Wanichapichart P. (2004) Development of trichloroacetic acid sensor bacsed on molecularly imprinted polymer membrane for the screening of complex mixture of haloacetic acids in drinking water. Analytica Chimica Acta. 504:89-100.

Wanichapichart P., Maswiwad K., and Karnchanapoom K. (2003) Elastic Constant of Dendrobium Protoplasts under AC Electric Fields. Songklanakarin J. Sci. Technol. Vol. 24 (Suppl.) 2002: 799-806.

Wanichapichart P., Kaewnoparat S., Phud-hai W., and Buaking K.(2003) Characteristic of Filtration Membranes Produced by Acetobacter xylinum. Songklanakarin J. Sci. Technol. Vol. 24 (Suppl.) 2002: 855-862.

Wanichapichart P., Boontawin S., Kaewpiboon A., and Kanchanapoom K. (2002) Determination of Dielectric Properties of Single Cells by Dielectrophoretic Method. Science Asia 28 (2): 113-119.

Wanichapichart P., Chittrakarn T., Sujaritturakarn W. and Coster H.G.L.(2000) Production of Nuclear- Track Etched Membranes. Science Asia 26(3) : 175-179.

Wanichapichart P., Santa-amorntad A. and Pechmanee T. (2000) Influence if Nitrogen and Phosphorus Ratios on P-32 Uptake and Growth in Diatoms; Chaetoceros gracilis and Skeletonema costatum. Songklanakarin J. Sci. Technol. 22(3), July-Sept. 321-327.

Tirawanichakul S., Tirawanichakul Y., Wanichapichart P., Thaipan P., and Songthaun P. (2004) Case Study of Dyewaste Water Treatment by Ozonation, Alum Precipitation and Reverse Osmosis. The 15th International Symposium on Transport Phenomena. 9-13 May, BKK, Thailand.

Wanichapichart P., and Sinprajim T. (2004) Spherical Single Shell Model and Curve Fitting in Plant Protoplasts via Electro-Rotation Measurements Rotation Spectra of Viable and Non-viable Tetraselmis sp. Cells in AC Electric Field. The 5th International Conference in Biological Physics (ICBP 2004) 23-27 August, Gothenburg, Sweden.

Wanichapichart P. and Puthai W. (2003) Characteristics of polyethersulfone/chitosan composite membranes. The Fifth International Membrane Science and Technology Conference (IMSTEC 03) 10-14 November 2003. Sydney, Australia.

Wanichapichart P, and Sinprajim T., Mahaworasilpa T., and Coster H.G.L. (2002) Electro Rotation: An Indirect Method for Determination of Cytoplasmic Conductivity and Membrane Capacitance of Plant Protoplasts Based on a Single Shell Model. The 1st International Workshop in Mathematical Models of Biosystems. 28 Jan. – 2 Feb. 2002, Dubna, Russia.

Wanicharpichart P., Petchmanee T. and Mahaworasilpa T. (1998) Ac Electric Field Frequencies for Phytoplankton Isolation. In Proceedings of International Symposium on Progress and Prospect of Marine Biotechnology (ISPPMB’98). ISBN 7-5027-4560-2/Q138. Oct. 6-9 1998.Qingdao, China.

Wanichapichart P., Sangkam R., Taweepreeda W., and Nisoa M. 2008. Enhancing Ion Permeability of Chitosan Membranes by Argon Plasmas. Surface & Coatings Technology. (accepted for publication).

Wanichapichart P., and Liangdeng Y., 2007. Chitosan membrane filtering characteristics modification by N-ion beams. Surface & coatings Technology. Volume 201 , Issues 19-20, August 5 , 2007 : 8165-8169

Bunthawin S., Wanichapichart P., and Gimsa J. 2007. An investigation of dielectric properties of biological cells using RC-model. Songklanakarin J.sci. Technol., 2007, 29(4) : 1163-1181

Suedee R., Intakong W., A.Lieberzeit P., Wanichapichart P., Chooto P., and L.Dickert.F. 2007. Trichloroacetic acid – imprinted polypyrrole film and its property in piezoelectric quartz crystal microbalance and electrochemical sensors to application for determination of haloacetic acids disinfection by-product in drinking water. J.applied Polymer Science. 106(6) : 3861-3871

Bunthawin S., Wanichapichart P. 2007. An RC Model for Dielectrophoresis of Ellipsoidal Cells: A method for determination of Dielectric Properties. Proceeding of the IEEE International Conference on Nano/Micro Engineering and Molecular Systems. : 472-477

Electrorotation : Diagnostic Tool for Abnormality of Marine Phytoplankton Cells. Proceeding of the IEEE International Conference on Nano/Micro Engineering and Molecular Systems. : 1115-1120

Wanichapichart P., Sridang P., and Duangsuwan W. 2007. Drinking water production system for arsenic removal: Case study in Moo 2. Ronpiboon Sub-district, Ronpiboon District, Nakhon Sri Thamarat. Thai Environmental Engineering Journal. 21(1), 121-129.

Ritthipairote T., Youravong W., and Wanichapichart P. 2006. Flux, rejection and fouling during ultrafiltration and microfiltration of sugar palm sap using a pilot plant scale. Songklanakarin Journal Science Technology. 28(4), 817-828

Puthai W., Wanichapichart P., and Kaewpiboon A. 2005. Effect of Polyethylene Glycol on Characteristics of Chitosan Membranes. Songklanakarin J. Sci. Technol. 27(4): 867-876.

Recent Grants:

Project leader, Water Management for Arsenic Reduction, Health System Research Institute, South Thailand Division.

Project leader, Preparation and Characterization of Polyethersulfone/Chitosan Composite membranes for Salt Filtration, Government Grant.

Project leader, Voltage Clamp Unit for I-V Characteristic Studies of Biological Membranes, Prince of Songkla University Grant.

External Responsibilities:

Director , CoE in Nanotechnology under Southern Thailand Science Park. Prince of Songkla University

Executive Committee of Thai Physics Society.

External Examiner for Curriculum Development: Master of Science Program in Applied Physics, Chiangmai University.

More Information:

NANOTEC Center of Excellence at PSU

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