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Siam Physics Congress 2015

20–22 May 2015
Asia/Bangkok timezone
The Centennial Celebration of General Relativity Theory and 80 Years of Thai Physics Graduate

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Session

Special Session: Pesticide Biosensor (Sponsored by MTEC)

14-PBI
20 May 2015, 14:00

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  1. 368. Portable pesticide analyzer: a project overview
    20/05/2015, 14:00
    Oral presentation
  2. 369. ISFET: technical background and commercialization aspect
    20/05/2015, 14:15
    Oral presentation
  3. 310. Acetylcholinesterase/gold nanoparticle/mesocellular foam silica biosensor for pesticide detection in real samples
    Mr Nithi Thananukool (Department of Chemical Engineering, Chulalongkorn University, Phayathai Road, Wangmai, Patumwan, Bangkok 10330, Thailand)
    20/05/2015, 14:30
    Biological Physics and Biomedical Engineering
    Oral presentation
    Determination of pesticide residues in food, water, and the environment is crucial for the well-being of human and animals. This is because organophosphates and carbamates, two groups of widely applied pesticides in the agriculture, could inhibit cholinesterase enzyme which then may cause pyrolysis and finally death (Perry et al., 1998) to the livings. The main aim of this work is, therefore,...
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  4. 201. AChE/agarose gel Coated on ISFET for Methyl-Parathion Sensors
    Mr Supanat Sasipongpana (College of Nanotechnology, King Mongkut’s Institute of Technology Ladkrabang, 1 Chalongkrung Rd., Ladkrabang, Bangkok 10520, Thailand)
    20/05/2015, 14:45
    Biological Physics and Biomedical Engineering
    Oral presentation
    A sensor for detecting pesticide by the inhibition of acetylcholine esterase (AChE) enzyme have been fabricated by direct immobilization in an agarose matrix on the surface of ion-sensitive field-effect transistors (ISFET). The enzyme entrapment was achieved by mixing AChE (0.01U) in an agarose gel buffer solution, and droping the mixture onto the surface of ISFET. This AChE-ISFET sensor was...
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  5. 167. Imprinted expended gate Field-Effect transistor for pesticide detection
    Ms Piyawan Leepheng (College of Nanotechnology, King Mongkut's Institute of Technology Ladkrabang, 1 Chalongkrung Rd., Ladkrabang, Bangkok 10520, Thailand), Ms Sirikan Thongboon (College of Nanotechnology, King Mongkut's Institute of Technology Ladkrabang, 1 Chalongkrung Rd., Ladkrabang, Bangkok 10520, Thailand)
    20/05/2015, 15:00
    Atomic Physics, Quantum Physics, Molecular and Chemical Physics
    Oral presentation
    An extended gate field-effect transistor (EGFET) is a device that can be applied to chemical sensing with the benefit of low cost electrodes. A poly(methylmethacrylate) (PMMA)-imprinted film has been applied to fabricate on indium tin oxide glass as a gate electrode for an EGFET sensor for a specific detection of carbaryl sample. The imprinted film was obtained by mixing PMMA and carbaryl in...
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  6. 304. Water-gated OFETs for Pesticide Detection
    Mr Kroekchai Inpor (National Metal and Materials Technology Center (MTEC), Thailand Science Park, Pathumthani, THAILAND 12120)
    20/05/2015, 15:15
    Material Physics, Nanoscale Physics and Nanotechnology
    Oral presentation
    Organic field effect transistors (OFETs) are widely utilized in alternative disposable electronic devices. These devices provide fabrication simplicity, low-cost, fast, and adequate sensitivity. A water-gated OFETs have been reported to operate under low-voltage with low-energy consumption and applied to DNA sensor. In this study, Bottom-contact top-gate water-gated OFETs were fabricated....
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