15 Result(s)

Article

Association between polymorphisms in the csrRS two-component regulatory system and invasive group A streptococcal infection

The csrRS two-component regulatory system is an important element in the pathogenesis of group A Streptococcus (GAS). The main goal of this study is to understand the association between csrRS polymorphisms and G...

J.-N. Lin, L.-L. Chang, C.-H. Lai, H.-H. Lin… in European Journal of Clinical Microbiology … (2014)

Article

Association of SCD1 and DGAT1 SNPs with the intramuscular fat traits in Chinese Simmental cattle and their distribution in eight Chinese cattle breeds

Intramuscular fat (IMF) is a key parameter for evaluation of nutritional quality of beef, with its endogenous synthesis regulated by stearoyl CoA desaturase (SCD1) and diacylglycerol-acyl transferase 1 (DGAT1) ge...

X. X. Wu, Z. P. Yang, X. K. Shi, J. Y. Li, D. J. Ji, Y. J. Mao… in Molecular Biology Reports (2012)

Article

UCST behavior in blend systems of isotactic polystyrene/poly(4-methyl styrene) in comparison with atactic polystyrene/poly(4-methyl styrene)

Blends of poly(4-methylstyrene) (P4MS) with polystyrene (iPS) exhibit an upper critical solution temperature (UCST) at ca. 270 °C. The overall phase behavior and trend of variation in the phase diagrams for th...

L. L. Chang, E. M. Woo in Colloid and Polymer Science (2003)

Article

Analysis of dual melting behavior in cold-crystallized poly(ether diphenyl ether metaketone)

By focusing on cold-crystallized poly(ether diphenyl ether metaketone) (PEKm), a more in-depth understanding of the nature of the crystalline morphology has been gained, which may lead to thorough mechanisms ...

B. S. Huang, L. L. Chang, E. M. Woo in Colloid and Polymer Science (2001)

Article

On-line state estimation of biomass based on acid production in Zymomonas mobilis cultures

The concentrations of biomass, substrate and product are very important state variables of almost every bioprocess and generally unable to be measured directly in␣situ due to the lack of reliable sensors. In ...

F.-S. Wang, W.-C. Lee, L.-L. Chang in Bioprocess Engineering (1998)

Article

Transepithelial Transport of Insulin: I. Insulin Degradation by Insulin-Degrading Enzyme in Small Intestinal Epithelium

Purpose. The purpose of this study was to determine the existence of insulin-degrading enzyme (EC 3.4.22.11) (IDE) in rat intestinal enterocytes.

Jane P. F. Bai, L. L. Chang in Pharmaceutical Research (1995)

Article

Investigation of Local Structures Around Mn Atoms in In_1-xMn_xAs Diluted Magnetic Semiconductors Using Exafs

Extended x-ray absorption fine structure (EXAFS) techniques have been used to investigate the local structures in In_l-xMn_xAs films grown by molecular beam epitaxy (MBE) under different processing conditions. For ...

Y. L. Soo, S. W. Huang, Z. H. Ming, Y. H. Kao… in MRS Online Proceedings Library (1994)

Article

Identification of a soil metabolite of bis(trichloromethyl) sulfone by HPLC/thermospray mass spectrometry

B. Y. Giang, L. L. Chang in Bulletin of Environmental Contamination and Toxicology (1994)

Article

Formation of Mn-As Centers in In^1−xMn^x as Diluted Magnetic Semiconductors

XAFS spectra at the Mn K-edge were obtained for films of In^1−xMn^xAs (0.0014 ≤ x ≤ 0.12) grown by MBE method at two different substrate temperatures T^s = 200–210 °C and T^s = 280–300 °C. It has been found that Mn-A...

A. Krol, Y. L. Soo, Z. H. Ming, Y. H. Kao, H. Munekata… in MRS Online Proceedings Library (1992)

Article

High Pressure Optical Studies of GaSb-AlSb Multiple Quantum Wells

The pressure coefficients (α) of the excitonic transitions arising from the conduction (CB) to the heavy (HH) and light (LH) hole sub-bands of a GaSb-AlSb multiple quantum well structure (MQW) grown on a GaAs ...

Benjamin Rockwell, H.R. Chandrasekhar… in MRS Online Proceedings Library (1989)

Article

Studies of an InAs/GaAs Heterojunction by Total-Electron-Yield

Total electron yield (TEY) of an InAs/GaAs heterojunction due to soft x-ray excitation has been studied. This heterojunction was prepared by an overgrowth of a 600 Å InAs layer on a GaAs substrate using molecu...

A. Krol, C. J. Sher, D. R. Storch, S. C. Woronick… in MRS Online Proceedings Library (1988)

Article

Characterization of Interfacial Roughness in Semiconductor Heterostructures by X-Ray Reflectivity

The reflection of monochromatic x-rays by a layered heterostructure can be utilized as a nondestructive probe to obtain information on the interfacial roughness in the material. Interference between x-rays ref...

A. Krol, C. J. Sher, H. Resat, S. C. Woronick, W. Ng… in MRS Online Proceedings Library (1987)

Article

Semiconductor Quantum-Well Heterostructures

Activities in semiconductor heterostructures are reviewed, with focus on the fundamental physics aspects in the quantum regime and with emphasis on recent experimental observations. The GaAs-GaAlAs is used to ...

L. L. Chang in MRS Online Proceedings Library (1985)