Sanong Ekgasit

Summary

Affiliation: Chulalongkorn University
Country: Thailand

Publications

  1. ncbi request reprint Influence of the metal film thickness on the sensitivity of surface plasmon resonance biosensors
    Sanong Ekgasit
    Sensor Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
    Appl Spectrosc 59:661-7. 2005
  2. ncbi request reprint Displacement of molecules near a metal surface as seen by an SPR-SPFS biosensor
    Sanong Ekgasit
    Sensor Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
    Langmuir 21:4077-82. 2005
  3. ncbi request reprint Acute and subacute pulmonary toxicity caused by a single intratracheal instillation of colloidal silver nanoparticles in mice: pathobiological changes and metallothionein responses
    Theerayuth Kaewamatawong
    Department of Veterinary Pathology, Chulalongkorn University, Bangkok, Thailand
    J Environ Pathol Toxicol Oncol 33:59-68. 2014
  4. doi request reprint Chemometric analysis of spectroscopic data on shape evolution of silver nanoparticles induced by hydrogen peroxide
    Kanet Wongravee
    Sensor Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
    Phys Chem Chem Phys 15:4183-9. 2013
  5. doi request reprint An ionic surfactant-mediated Langmuir-Blodgett method to construct gold nanoparticle films for surface-enhanced Raman scattering
    Prompong Pienpinijtham
    Sensor Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
    Phys Chem Chem Phys 14:10132-9. 2012
  6. ncbi request reprint Concentration of dye-labeled nucleotides incorporated into DNA determined by surface plasmon resonance-surface plasmon fluorescence spectroscopy
    Sanong Ekgasit
    Sensor Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand sanong e chula ac th
    Anal Chem 76:4747-55. 2004
  7. doi request reprint Palladium nanoparticles synthesized by reducing species generated during a successive acidic/alkaline treatment of sucrose
    Lunjakorn Amornkitbamrung
    Sensor Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Bangkok 10330, Thailand
    Spectrochim Acta A Mol Biomol Spectrosc 122:186-92. 2014
  8. doi request reprint Development of coated-wire silver ion selective electrodes on paper using conductive films of silver nanoparticles
    Wanwisa Janrungroatsakul
    Department of Chemistry, Faculty of Science, Naresuan University, Phitsanulok 65000, Thailand
    Analyst 138:6786-92. 2013
  9. doi request reprint Enhancement of the reduction efficiency of soluble starch for platinum nanoparticles synthesis
    Duangta Tongsakul
    Program in Petrochemistry, Faculty of Science, Chulalongkorn University, 254 Phyathai Road, Patumwan, Bangkok 10330, Thailand
    Carbohydr Res 357:90-7. 2012
  10. doi request reprint Self-assembled coordination nanoparticles from nucleotides and lanthanide ions with doped-boronic acid-fluorescein for detection of cyanide in the presence of Cu2+ in water
    Sirinan Kulchat
    Supramolecular Chemistry Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, 10330 Bangkok, Thailand
    Talanta 89:264-9. 2012

Collaborators

  • Wolfgang Knoll
  • Fang Yu
  • Boosayarat Tomapatanaget
  • Gudrun Stengel
  • Prompong Pienpinijtham
  • Chuchaat Thammacharoen
  • Yukihiro Ozaki
  • Theerayuth Kaewamatawong
  • Kanet Wongravee
  • Pattwat Maneewattanapinyo
  • Lunjakorn Amornkitbamrung
  • Chutiparn Lertvachirapaiboon
  • Wanwisa Janrungroatsakul
  • Wijit Banlunara
  • Thawatchai Tuntulani
  • Sirinan Kulchat
  • Duangta Tongsakul
  • Xiao Xia Han
  • Adchara Padermshoke
  • Jitraporn Vongsvivut
  • Chuchaat Thammachareon
  • Wittaya Ngeontae
  • Orawon Chailapakul
  • Tewarak Parnklang
  • Wanlapa Aeungmaitrepirom
  • Anusak Chaicham
  • Gamolwan Tumcharern
  • Harumi Sato
  • Yukiteru Katsumoto
  • Isao Noda
  • Mark S Braiman
  • Jason Fernandez

Detail Information

Publications14

  1. ncbi request reprint Influence of the metal film thickness on the sensitivity of surface plasmon resonance biosensors
    Sanong Ekgasit
    Sensor Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
    Appl Spectrosc 59:661-7. 2005
    ..The phenomena were theoretically explained based on the attenuated total reflection (ATR) generated evanescent field at the prism/metal interface and the SPR-generated evanescent field at the metal/dielectric interface...
  2. ncbi request reprint Displacement of molecules near a metal surface as seen by an SPR-SPFS biosensor
    Sanong Ekgasit
    Sensor Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
    Langmuir 21:4077-82. 2005
    ..The displacement is theoretically explained on the basis of the relationship between the fluorescence intensity and the evanescent field amplitude within the dielectric medium...
  3. ncbi request reprint Acute and subacute pulmonary toxicity caused by a single intratracheal instillation of colloidal silver nanoparticles in mice: pathobiological changes and metallothionein responses
    Theerayuth Kaewamatawong
    Department of Veterinary Pathology, Chulalongkorn University, Bangkok, Thailand
    J Environ Pathol Toxicol Oncol 33:59-68. 2014
    ..Oxidative stress may underlie the induction of injury to lung tissue. Moreover, the expression of metallothionein in tissues indicated the protective response to exposure to Ag-NPs. ..
  4. doi request reprint Chemometric analysis of spectroscopic data on shape evolution of silver nanoparticles induced by hydrogen peroxide
    Kanet Wongravee
    Sensor Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
    Phys Chem Chem Phys 15:4183-9. 2013
    ..The predicted structural morphologies of each component given by chemometric calculation were in excellent agreement with those observed by transmission electron microscope (TEM) images...
  5. doi request reprint An ionic surfactant-mediated Langmuir-Blodgett method to construct gold nanoparticle films for surface-enhanced Raman scattering
    Prompong Pienpinijtham
    Sensor Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
    Phys Chem Chem Phys 14:10132-9. 2012
    ..This method can also be applied to other metal nanostructures to fabricate metal films for use as a sensitive SERS substrate with a higher enhancement factor...
  6. ncbi request reprint Concentration of dye-labeled nucleotides incorporated into DNA determined by surface plasmon resonance-surface plasmon fluorescence spectroscopy
    Sanong Ekgasit
    Sensor Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand sanong e chula ac th
    Anal Chem 76:4747-55. 2004
    ....
  7. doi request reprint Palladium nanoparticles synthesized by reducing species generated during a successive acidic/alkaline treatment of sucrose
    Lunjakorn Amornkitbamrung
    Sensor Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Bangkok 10330, Thailand
    Spectrochim Acta A Mol Biomol Spectrosc 122:186-92. 2014
    ..The synthesized palladium nanoparticles express a good catalytic activity in the decolorization process of Congo red by sodium borohydride...
  8. doi request reprint Development of coated-wire silver ion selective electrodes on paper using conductive films of silver nanoparticles
    Wanwisa Janrungroatsakul
    Department of Chemistry, Faculty of Science, Naresuan University, Phitsanulok 65000, Thailand
    Analyst 138:6786-92. 2013
    ..7 ± 1.0 mV per decade, 10(-6) to 10(-2) M linear range, detection limit of 4.5 × 10(-7) M, long-term potential stability and good reversibility. ..
  9. doi request reprint Enhancement of the reduction efficiency of soluble starch for platinum nanoparticles synthesis
    Duangta Tongsakul
    Program in Petrochemistry, Faculty of Science, Chulalongkorn University, 254 Phyathai Road, Patumwan, Bangkok 10330, Thailand
    Carbohydr Res 357:90-7. 2012
    ..This observation suggests that starch is a promising green material which could be chemically treated and transformed to a powerful reducing agent and stabilizer for the synthesis of metal nanoparticles...
  10. doi request reprint Self-assembled coordination nanoparticles from nucleotides and lanthanide ions with doped-boronic acid-fluorescein for detection of cyanide in the presence of Cu2+ in water
    Sirinan Kulchat
    Supramolecular Chemistry Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, 10330 Bangkok, Thailand
    Talanta 89:264-9. 2012
    ..97 and the detection limits obtained from naked-eye and spectrofluorometry detections were 20μM and 4.03μM, respectively. The proposed method was demonstrated to detect CN(-) in drinking water with high accuracy...
  11. doi request reprint Highly sensitive and selective determination of iodide and thiocyanate concentrations using surface-enhanced Raman scattering of starch-reduced gold nanoparticles
    Prompong Pienpinijtham
    Sensor Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10240, Thailand
    Anal Chem 83:3655-62. 2011
    ..05 μM with a measurement range of 0.05-50 μM. This technique is highly selective for iodide and thiocyanate ions without interference from other coexisting anions such as other halides, carbonate, and sulfate...
  12. ncbi request reprint An evaluation of acute toxicity of colloidal silver nanoparticles
    Pattwat Maneewattanapinyo
    Sensor Research Unit, Department of Chemistry, Faculty of Science and 2 Department of Veterinary Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand
    J Vet Med Sci 73:1417-23. 2011
    ..In summary, these findings of all toxicity tests in this study suggest that colloidal AgNPs could be relatively safe when administered to oral, eye and skin of the animal models for short periods of time...
  13. ncbi request reprint Characterization of supported cylinder-planar germanium waveguide sensors with synchrotron infrared radiation
    Jitraporn Vongsvivut
    Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330 Thailand
    Appl Spectrosc 58:143-51. 2004
    ..These spectral oscillations are the principal technical limitation on using synchrotron radiation to measure evanescent-wave absorption spectra with the thin waveguides...
  14. ncbi request reprint Melting behavior of poly(3-hydroxybutyrate) investigated by two-dimensional infrared correlation spectroscopy
    Adchara Padermshoke
    Department of Chemistry, School of Science and Technology, Kwansei Gakuin University, 2 1, Gakuen, Sanda, Hyogo 669 1337, Japan
    Spectrochim Acta A Mol Biomol Spectrosc 61:541-50. 2005
    ..The bands at 2985 and 2938 cm(-1) are ascribed to the amorphous part while the rest come from crystal field splitting, which is a characteristic of polymers with a helical structure...