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Your search keyword '"Chou, W.C."' showing total 164 results
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164 results on '"Chou, W.C."'

7. Topic: AS01-Diagnosis/AS01c-Molecular aberrations (cytogenetic, genetic, gene expression): CLINICO-GENETIC AND PROGNOSTIC ANALYSES OF 716 PATIENTS WITH PRIMARY MDS AND MDS/AML BASED ON THE 2022 INTERNATIONAL CONSENSUS CLASSIFICATION

Author

Ni, S.-C., primary, Lee, W.-H., additional, Lo, M.Y., additional, Tsai, C.H., additional, Lin, C.C., additional, Tien, F.M., additional, Yao, M., additional, Tang, J.L., additional, Kuo, Y.Y., additional, Liu, M.-C., additional, Chuang, Y.K., additional, Tseng, M.H., additional, Chou, W.C., additional, Hou, H.A., additional, and Tien, H.F., additional

Published
2023
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29. Dielectric studies of Cd1-x-yZnxMnyTe crystals

Author

Lin, H.M., Chen, Y.F., Shen, J.L., and Chou, W.C.

Subjects
Alloys -- Research, Dielectric devices -- Research, Physics
Abstract

Cd1-x-yZnxMnyTe alloys were studied using capacitance and dissipation factor measurements, to determine dielectric properties.

Published
2001

30. Dielectic studies of Zn1-xMnxSe epilayers

Author

Su, J.S., Wang, J.C., Chen, Y.F., Shen, J.L., and Chou, W.C.

Subjects
Zinc compounds -- Research, Energy dissipation -- Research, Dielectric measurements -- Research, Physics
Abstract

Capacitance and dissipation factor measurements of Zn1xMnxSe epilayers were taken at temperatures from 5 to 475 K and from 20 Hz to 100 kHz frequencies. A thermally activated relaxation contribution to the dielectric response, which requires the presence of charge redistribution, was found. Consistency in the process of activation achieved from the dissipation factor and capacitance was also observed.

Published
1999

31. Energy-dispersive x-ray diffraction and Raman scattering of Zn(sub 1-x)Mn(sub x)Se bulk crystals at high pressure

Author

Yang, C.S., Ro, C.S., Chou, W.C., Lin, C.M., Chuu, D.S., Hu, J., Huang, E., and Xu, J.

Subjects
X-rays -- Diffraction, Raman effect -- Research, Superlattices as materials -- Research, Crystals -- Research, Zinc compounds -- Research, Physics
Abstract

Energy-dispersive x-ray diffraction studies were performed to analyze the structure of phase transitions under high pressure. It was observed that the zinc blende to rock salt phase transition pressures of Zn0.93Mn0.07Se and Zn0.76Mn0.24Se bulk crystals are 11.8 +/- 1.5 and 9.9 +/- 0.5 GPa, respectively. The respective bulk moduli are 61.8 +/- 0.8 and 60.5 +/- 0.8 GPa. The pressure-induced zinc blende to rock salt structure phase transition was seen as an indication of the semiconductor to metal transition for Zn(sub 1-x)Mn(sub x)Se.

Published
1999

32. Optical properties of ZnSe1-xSx epilayers grown on misoriented GaAs substrates

Author

Chou, W.C., Yang, C.S., Chu, A.H.M., Yeh, A.J., Ro, C.S., Lan, W.H., Tu, S.L., Tu, R.C., Chou, S.C., Su, Y.K., and Uen, W.Y.

Subjects
Reflectance spectroscopy -- Usage, Thin films -- Optical properties, Exciton theory -- Analysis, Physics
Abstract

Reflectance spectroscopy was utilized to examine the light hole and heavy hole exciton splitting of ZnSe1-xSx epilayers that were grown on misoriented gallium arsenide (001) substrates. The composition of the layers were used to determine both exciton energies. Results showed that an increase in the incorporation of sulphur was noted due to misorientation of the substrate in both thin and thick epilayers.

Published
1998

33. Optical properties of the ZnSe1-xTex epilayers grown by molecular beam epitaxy

Author

Yang, C.S., Hong, D.Y., Lin, C.Y., Chou, W.C., Ro, C.S., Uen, W.Y., Lan, W.H., and Tu, S.L.

Subjects
Semiconductors -- Research, Molecular beams -- Analysis, Epitaxy -- Usage, Physics
Abstract

Research was conducted to study the optimal properties of ZnSe1-xTex semiconductor epilayers prepared by molecular beam epitaxy. Low temperature cells were utilized to evaporate elemental solid sources while sample temperatures were controlled between 10 K and 250 K. Results indicated a blueshift of the near band-edge PL with the substrate misorientation angle attributed to the incorporation of smaller atoms with the kink density.

Published
1998

34. Contactless electroreflectance study of strained Zn(sub 0.79)Cd(sub 0.21)Se/ZnSe double quantum wells

Author

Tu, R.C., Su, Y.K., Lin, D.Y., Li, C.F., Huang, Y.S., Lan, W.H., Tu, S.L., Chang, S.J., Chou, S.C., and Chou, W.C.

Subjects
Quantum wells -- Research, Diodes, Semiconductor -- Research, Physics
Abstract

Research was conducted to examine quantized transitions in a Zn(sub 0.79)Cd(sub 0.21)Se/ZnSe double quantum well using the contactless electroreflectance (CER) technique. This molecular beam epitaxy technique was used to develop the quantum well. Results show the existence of several intersub-band transitions in the CER spectra. Excitonic transitions were also seen between the heavy-hole band state and the conduction band state.

Published
1998

35. Optical study of strained ZnSe/GaAs and ZnMnSe/GaAs epilayers

Author

Chou, W.C., Twardowski, A., Chern-Yu, K., Chen, F.R., Hua, C.R., Jonker, B.T., Yu, W.Y., Lee, S.T., Petrou, A., and Warnock, J.

Subjects
Thin films, Multilayered -- Research, Thin films -- Optical properties, Physics
Abstract

Polarized photoluminescence and reflectance are used to study strain-induced band splittings of ZnSe/GaAs and ZnMnSe/GaAs epilayers of 0.064 to 3 micrometers. The optical transitions are identified by polarized photoluminescence. The variations in magnetic field sensitivity of light hold and heavy hold exciton also indicate the presence of optical transitions.

Published
1994

36. Line-shape analysis of reflectance spectra from ZnSe/Zn0.99Fe0.01Se spin superlattices

Author

Chern-Yu, K., Chou, W.C., Twardowski, A., Yu, W.Y., Lee, S.T., Petrou, A., Warnock, J., and Jonker B.T.

Subjects
Superlattices as materials -- Research, Reflectance spectroscopy -- Research, Physics
Abstract

The spatial isolation of electrons and holes with varying spins and the reflectance spectra of ZnFeSe/ZnSe quantum well structures are analyzed to determine the shape of the reflectance spectra. The spatial isolation of electrons with varying spins forms spin superlattices. The interference effects in layers having different thickness cause the change in the reflectance spectra.

Published
1994

43. The Inhibitory Innate Immune Sensor NLRP12 Maintains a Threshold against Obesity by Regulating Gut Microbiota Homeostasis

Author

Truax, A.D., Chen, L, Tam, J.W., Cheng, N., Guo, H., Koblansky, A.A., Chou, W.C., Wilson, J.E., Brickey, W.J., Petrucelli, A., Liu, R., Cooper, D.E., Koenigsknecht, M.J., Young, V.B., Netea, M.G., Stienstra, R., Sartor, R.B., Montgomery, S.A., Coleman, R.A., Ting, J.P., Truax, A.D., Chen, L, Tam, J.W., Cheng, N., Guo, H., Koblansky, A.A., Chou, W.C., Wilson, J.E., Brickey, W.J., Petrucelli, A., Liu, R., Cooper, D.E., Koenigsknecht, M.J., Young, V.B., Netea, M.G., Stienstra, R., Sartor, R.B., Montgomery, S.A., Coleman, R.A., and Ting, J.P.

Abstract

Contains fulltext : 196327.pdf (publisher's version ) (Closed access), In addition to high-fat diet (HFD) and inactivity, inflammation and microbiota composition contribute to obesity. Inhibitory immune receptors, such as NLRP12, dampen inflammation and are important for resolving inflammation, but their role in obesity is unknown. We show that obesity in humans correlates with reduced expression of adipose tissue NLRP12. Similarly, Nlrp12(-/-) mice show increased weight gain, adipose deposition, blood glucose, NF-kappaB/MAPK activation, and M1-macrophage polarization. Additionally, NLRP12 is required to mitigate HFD-induced inflammasome activation. Co-housing with wild-type animals, antibiotic treatment, or germ-free condition was sufficient to restrain inflammation, obesity, and insulin tolerance in Nlrp12(-/-) mice, implicating the microbiota. HFD-fed Nlrp12(-/-) mice display dysbiosis marked by increased obesity-associated Erysipelotrichaceae, but reduced Lachnospiraceae family and the associated enzymes required for short-chain fatty acid (SCFA) synthesis. Lachnospiraceae or SCFA administration attenuates obesity, inflammation, and dysbiosis. These findings reveal that Nlrp12 reduces HFD-induced obesity by maintaining beneficial microbiota.

Published
2018

48. Optical properties of CdxZn1; -- x Te epilayers grown by molecular-beam epitaxy.

Author

Shih, Y.T., Fan, W.C., Yang, C.S., Kuo, M.C., and Chou, W.C.

Subjects
GALLIUM arsenide, MOLECULAR beam epitaxy, REFLECTANCE, PHOTOLUMINESCENCE
Abstract

Reports on the growth of Cd[sub x]Zn[sub 1-x]Te epilayers on gallium arsenide (GaAs) substrates by molecular beam epitaxy. Study of the optical properties of the epilayers by taking reflectance and photoluminescence measurements; Energy gaps of the epilayers which decrease as the Cd content increases.

Published
2003
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