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417 results on '"YEH, S. H."'

1. Update on adolescent immunization: pertussis, meningococcus, HPV, and the future.

Author

Yeh, S. H and Lieberman, J. M

Subjects
human-papillomavirus infection, cervical-cancer worldwide, united-states, genital herpes, young-women, clinical-manifestations, bordetella-pertussis, conjugate vaccine, particle vaccine, risk-factors
Abstract

Since January 2005, new vaccines against pertussis, meningococcal disease, and human papillomavirus (HPV) infection have been licensed. The target recipients are adolescents and preadolescents, who are at higher risk of these infections than other age groups. Routinely scheduled visits for 11- to 12-year-olds will allow for immunization against these and other diseases and give us an opportunity to provide anticipatory guidance against high-risk behaviors.

Published
2007

31. Kinetics of hardness evolution during annealing of gamma-irradiated polycarbonate.

Author

Yeh, S. H., Chen, P. Y., Harmon, Julie, and Lee, Sanboh

Subjects
*MICROHARDNESS, *POLYCARBONATES, *GAMMA rays, *RELAXATION (Nuclear physics), *ARRHENIUS equation, *POLYMETHYLMETHACRYLATE, *COPOLYMERS
Abstract

This study focuses on the evolution in microhardness values that accompany isothermal annealing in gamma-irradiated polycarbonate (PC). Hardness increases with increasing annealing time, temperature, and gamma radiation dose. A model composed of a mixture of first and zero order structure relaxation is proposed to interpret the hardness data. The rate constant data fit the Arrhenius equation, and the corresponding activation energy decreases with increasing dose. The extent of structural relaxation that controls the hardness in post-annealed PC increases with increasing annealing temperature and dose. The model demonstrates that hardness evolution in PC is an endothermic process. By contrast, when the model is applied to irradiated poly(methyl methacrylate) and hydroxyethyl methacrylate copolymer, hardness evolution is an exothermic process. [ABSTRACT FROM AUTHOR]

Published
2012
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41. Inundation Impact Index for Disaster Risk Assessment

Author

Jang, James Jiun-Huei, Hsieh, L. S., Yu, P. S., Yeh, S. H., Wu, C. R., and Kuratorium für Forschung im Küsteningenieurwesen (KFKI)

Subjects
Wasserbau (627), Ingenieurwissenschaften (620)
Abstract

Source: ICHE Conference Archive - https://mdi-de.baw.de/icheArchive

Published
2008

42. Characterization of severe acute respiratory syndrome coronavirus genomes in Taiwan: Molecular epidemiology and genome evolution

Author

Yeh, S.-H., Wang, H.-Y., Tsai, C.-Y., Kao, C.-L., Yang, J.-Y., Liu, H.-W., Su, I.-J., Tsai, S.-F., Chen, D.-S., Chen, P.-J., Lee, Y.-T., Teng, C.-M., Yang, P.-C., Ho, H.-N., Chang, M.-F., Wang, J.-T., Chang, S.-C., Wang, W.-K., Hsiao, C.-H., and Hsueh, P.-R.

Subjects
Genome evolution, Lineage (genetic), viruses, Molecular Sequence Data, Taiwan, Genome, Viral, Biology, medicine.disease_cause, Severe Acute Respiratory Syndrome, Genome, Polymerase Chain Reaction, Evolution, Molecular, medicine, Humans, Base Pairing, Phylogeny, Coronavirus, Genetics, Multidisciplinary, Molecular epidemiology, Base Sequence, Transmission (medicine), Outbreak, Biological Sciences, Virology, Severe acute respiratory syndrome-related coronavirus, Viral evolution, DNA, Viral, Mutation, RNA, Viral
Abstract

Since early March 2003, the severe acute respiratory syndrome (SARS) coronavirus (CoV) infection has claimed 346 cases and 37 deaths in Taiwan. The epidemic occurred in two stages. The first stage caused limited familial or hospital infections and lasted from early March to mid-April. All cases had clear contact histories, primarily from Guangdong or Hong Kong. The second stage resulted in a large outbreak in a municipal hospital, and quickly spread to northern and southern Taiwan from late April to mid-June. During this stage, there were some sporadic cases with untraceable contact histories. To investigate the origin and transmission route of SARS-CoV in Taiwan's epidemic, we conducted a systematic viral lineage study by sequencing the entire viral genome from ten SARS patients. SARS-CoV viruses isolated from Taiwan were found closely related to those from Guangdong and Hong Kong. In addition, all cases from the second stage belonged to the same lineage after the municipal hospital outbreak, including the patients without an apparent contact history. Analyses of these full-length sequences showed a positive selection occurring during SARS-CoV virus evolution. The mismatch distribution indicated that SARS viral genomes did not reach equilibrium and suggested a recent introduction of the viruses into human populations. The estimated genome mutation rate was ≈0.1 per genome, demonstrating possibly one of the lowest rates among known RNA viruses.

Published
2004

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