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This paper investigated the value of including ''playfulness'' in expectation-confirmation theory (ECT) when studying continued use of a web site. Original models examined cognitive beliefs and effects that influence a person's intention to continue to use an information system. Here, an extended ECT model (with an additional relationship between perceived(More)
We examined how individual and institutional factors in health care settings affected discrimination toward persons with HIV/AIDS. A representative sample of 1101 Chinese service providers was recruited in 2005, including doctors, nurses, and laboratory technicians. Multiple regression models were used to describe associations among identified variables,(More)
This study examined trace metal contamination of sediments in Guiyu, China where primitive e-waste processing activities have been carried out. It was found that some river sediments in Guiyu were contaminated with Cd (n.d.-10.3mg/kg), Cu (17.0-4540mg/kg), Ni (12.4-543mg/kg), Pb (28.6-590mg/kg), and Zn (51.3-324mg/kg). The (206)Pb/(207)Pb and(More)
CXCR1 and CXCR2 are receptors for angiogenic ELR+CXC chemokines and are differentially expressed on endothelial cells; however, their functional significance in angiogenesis remains unclear. In this study, we determined the functional significance of these receptors in modulating endothelial cell phenotype by knocking-down the expression of CXCR1 and/or(More)
Modern fish are the result of major changes in evolution including three possible duplications of the whole genome. Retained duplicate genes are often involved with metabolism, transcription, neurogenic processes and development. Here we examine the consequences of the most recent (350 mya) teleost-specific duplication in five fishes (zebrafish, fugu,(More)
This study is one of the very few investigating the dioxin body burden of a group of child-bearing-aged women at an electronic waste (e-waste) recycling site (Taizhou, Zhejiang Province) (24 +/- 2.83 years of age, 40% were primiparae) and a reference site (Lin'an city, Zhejiang Province, about 245 km away from Taizhou) (24 +/- 2.35 years of age, 100% were(More)
SUMMARY StochKit2 is the first major upgrade of the popular StochKit stochastic simulation software package. StochKit2 provides highly efficient implementations of several variants of Gillespie's stochastic simulation algorithm (SSA), and tau-leaping with automatic step size selection. StochKit2 features include automatic selection of the optimal SSA method(More)
CXCL-8, a chemokine secreted by melanoma and stromal cells, serves as a growth and angiogenic factor for melanoma progression. This study evaluated how modulation of CXCL-8 levels in melanoma cell lines with different tumorigenic and metastatic potentials affected multiple tumor phenotypes. A375P cells (CXCL-8 low expressor) were stably transfected with a(More)
This study examines the role that family plays in disclosure of HIV-AIDS in China. In-depth semistructured interviews were conducted with 30 individuals living with HIV-AIDS infected through different routes. The vast majority of participants were between the ages of 20 and 39 years old (93.4%) and about a third (36.7%) were women. Two primary disclosure(More)