1.

2.

S. Ekgasit and H. Ishida, Optical Depth Profiling by Multiple Angle Attenuated Total Reflection Fourier Transform
Infrared Spectroscopy: A New Approach, Appl. Spectrosc., 50, 1187 (1996).

3.

S. Ekgasit and H. Ishida, Optical Depth Profiling by Multiple Angle Attenuated Total Reflection Fourier Transform
Infrared Spectroscopy Using an Incident Beam with Arbitrary Degree of Polarization, Vib. Spectrosc., 13, 1 (1996).

4.

S. Ekgasit and H. Ishida, The Application of a New Quantitative Depth Profiling Technique on the Diffusion of
Polymer, Appl. Spectrosc., 51, 461 (1997).

5.

S. Ekgasit and H. Ishida, A New Optical Depth Profiling Technique Using Multiple Frequency Approach with
Single ATR FTIR Spectrum, Appl. Spectrosc., 51, 1488 (1997).

6.

A. Ameri, S. Ekgasit, C. Hendann, S. Michel, P. Wu, S. Okretic, F. Pfeifer, I. Zebger and H. W. Siesler, Towards
A Better Understanding Of Segmental Mobility In Polymers Under External Perturbations: Time-Resolved
FTIR-Studies, Proc. Am. Chem. Soc. Div. Polym. Mater. Sci. Eng., 76, 191 (1997).

7.

S. Ekgasit and H. W. Siesler, A Simplified Equation for ATR Spectral Intensity of a Three-Phase System, Appl.
Spectrosc, 52, 367 (1998).

8.

S. Ekgasit, A Technique for an Accurate Estimation of the Mean Square Electric Field in ATR-FTIR Spectroscopy,
Appl. Spectrosc., 52, 773 (1998).

9.

S. Ekgasit, H. Ishida, and D. P. Sanders, New Quantitative Optical Depth Profiling Methods by Attenuated Total
Reflectance Fourier Transform Infrared Spectroscopy: Multiple Angle/Single Frequency and Single Angle/Multiple
Frequency Approaches in Fourier Transform Spectroscopy: 11th International Conference, J. A. de Haseth, Ed.,
Washington, D.C.: The American Institute of Physics, pp. 40-59 (1998)

10.

S. Ekgasit, M. Fuelleborn and H.W. Siesler, Orientation of liquid crystalline 5CB under an external electric field, Vib.
Spectrosc. 19, 85 (1999).

11.

S. Ekgasit, H. W. Siesler and P. M. A. Steeman, Dyanamic Infrared Spectroscopy Using Rapid Scan Technique, Appl.
Spectrosc. 53, 1535 (1999).

12.

S. Ekgasit, ATR Spectral Intensity: How Small is Weak Absorption Appl. Spectrosc. 54, 756 (2000).

13.

S. Ekgasit and A. Padermshoke, Optical Contact in ATR FT-IR Spectroscopy, Appl. Spectrosc., 55, 1352 (2001)

14.

J. Vongsvivut, S. V. Shilov, S. Ekgasit, and M. S. Braiman, Symmetrically-Tapered < 30-mm-thick Quasi Planar Ge
Waveguides as Chemical Sensors for Microanalysis, Appl. Spectrosc., 56, 1552 (2002).

15.

S. Ekgasit, C. Thammacharoen, F. Yu, and W Knoll, SPR Based on Evanescent Field Treatment, Anal Chem., 76, 561
(2004).

16.

J. Vongsvivut, Shilov, S. Ekgasit, and M. S. Braiman, Characterization of Supported Cylinder-Planar Germanium
Waveguide Sensors with Synchrotron Infarared Radiation, Appl. Spectrosc., 58, 143 (2004).

17.

S. Ekgasit, C. Thammacharoen, F. Yu, and W Knoll, Evanescent Field in Surface Plasmon and Surface-Plasmon
Field-Enhanced Spectroscopies, Anal Chem., 76, 2210 (2004).

18.

H. Sato, M. Nakamura, A. Padermshoke, H. Yamaguchi, H. Terauchi, S. Ekgasit, I. Noda, and Y. Ozaki, Thermal
Behavior and Molecular Interaction of Poly(3-hydorxybutyrate-co-3-hydroxyhexanoate) Studied by Wide-Angle X-
Ray Diffraction, Macromolecules, 37, 3763 (2004).

19.

Adchara Padermshokea,b, Harumi Satoa, Yukiteru Katsumotoc,Sanong Ekgasitb, Isao Nodad, Yukihiro Ozakia,,Thermally
induced phase transition of poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) investigated by two-dimensional infrared
correlation spectroscopy,Vib. Spectrosc. ,36, 241 (2004)

20.

S. Ekgasit, G. Stengel, and W Knoll, Concentration of Dye-Labeled Nucleotides Incorporated into DNA Determined
by SPR-SPFS Biosensor, Anal. Chem. 76, pp.4747-4755 (2004)

21.

A. Padermshoke, Y. Katsumoto, H. Sato, S. Ekgasit, I. Noda, and Y. Ozaki, Surface Melting and Crystallization
Behavior of Polyhydroxyalkanoates Studied by Attenuated Total Reflection Infrared Spectroscopy, Polymer, 45(19),
6547 (2004).

22.

A. Padermshoke, H. Sato, Y. Katsumoto, S. Ekgasit, I. Noda, and Y. Ozaki, Crystallization Behavior of Poly(3-
hydroxybutyrate-co-3-hydroxyhexanoate) Studied by 2D IR Correlation Spectroscopy, Polymer, 45(21), 7159 (2004).

23.

A. Padermshoke, Y. Katsumoto,  H. Sato,  S. Ekgasit, I. Noda,  and Y. Ozaki,   Melting Behavior of Poly(3-
hydroxybutyrate) Investigated by Two-Dimensional Infrared Correlation Spectroscopy, Spectrochim. Acta A,
61, 541 (2005).

24.

S. Ekgasit, A. Baba, F. Yu, and W Knoll, Resonance Shift in SPR Curves of Nonabsorbing, Weakly Absorbing and
Strongly Absorbing Dielectrics, Sensors Actuators B Chem., 105, 532 (2005).

25.

H. Sato, A. Padermshoke, M. Nakamura, R. Murakami, F. Hirose, K. Senda, H. Terauchi, S. Ekgasit, I. Noda, Y.Ozaki,
Infrared spectroscopy and X-Ray Diffraction Studies on the Structure and Thermal Behavior of Biodegradable polyhydroxyalkanoates, Macromol. Symp., 220, 123 (2005)

26.

P. Thongnopkun, S. Ekgasit, FTIR Spectra of faceted diamonds and diamond simulants, Diamond & Related Materials,
14,1592 (2005).

27.

S. Ekgasit, F. Yu, W. Knoll, Displacement of Molecules near a Metal Surface as Seen by an SPR-SPFS Biosensor,
Langmuir, 21, 4077 (2005).

28.

S. Ekgasit, F. Yu, W. Knoll, Fluorescence intensity in surface-plasmon field-enhanced fluorescence spectroscopy,
Sensors and Actuators B, 104, 294 (2005).

29.

S. Ekgasit, C. Thammacharoen, F. Yu, W. Knoll, Influence of the Metal Film Thickness on the Sensitivity of Surface
Plasmon Resonance Biosensors, Appl. Spectrosc., 59, 661 (2005).

30.

S. Ekgasit, P. Thongnopkun, Novel Attenuated Total Reflection Fourier Transform Infrared Microscopy Using
a Gem Quality Diamond as an Internal Reflection Element, Appl. Spectrosc., 59, (2005)

31.

S. Ekgasit, A. Tangcharoenbumrungsuka, F. Yub, A. Baba, W. Knoll, Resonance shifts in SPR curves of nonabsorbing,
weakly absorbing, and strongly absorbing dielectrics, Sensors and Actuators B, 105, 532 (2005).

32.

S. Ekgasit, P. Thongnopkun, Transflectance Spectra of Faceted Diamonds Acquired by
Infrared Microscopy, Appl. Spectrosc., 59, (2005).

P. Thongnopkun, S. Ekgasit, Attenuated total reflection Fourier transform infrared spectra of faceted diamonds,
Analytica Chimica Acta, (2006).