Wenjing Xue

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This paper investigated how sodium alginate (SA)-modified nanoscale zero-valent iron (NZVI), play a constructive role in the remediation of cadmium (Cd) contaminated river sediments. The changes of the fraction of Cd, enzyme activities (urease, catalase, dehydrogenase) and bacterial community structures with the treatment by SNZVI were observed. The(More)
In the past half-century, the monitoring systems for traffic or infrastructure have been developed a lot. Because of the interdependency between traffic and infrastructure, significant advantages can be expected if the monitoring system for traffic can be integrated with that for infrastructure. In October 2011, a wireless sensing network (WSN) was(More)
The Virginia Polytechnic Institute and State University is developing an integrated transportation monitoring system that will be capable of monitoring pavement and traffic simultaneously. As part of the system, a backcalculation method, which is presented in this paper, is used to estimate the speed, weight, and configuration of passing vehicles based on(More)
Phosphate (P) compounds are usually used as chemical amendment for in situ remediation of heavy metal polluted sediment. However, the low deliverability, weak utilization and potential risk of eutrophication inhibit the application of most P materials. Therefore, rhamnolipid (Rha), a kind of anionic biosurfactant which has algicidal activity, was employed(More)
Magnetic chlorapatite nanoparticles (MNCLAP) was synthesized and used as adsorbent to remove Zn2+, Cd2+ and Pb2+ from aqueous solutions. The synthesized MNCLAP was characterized by scanning electron microscopy (SEM), energy dispersive analysis system of X-ray (EDAX), transmission electron microscopy (TEM) X-ray powder diffraction (XRD) and magnetization(More)
A composting study was performed to investigate the degradation of 4-nonylphenol (4-NP) in river sediment by inoculating Phanerochaete chrysosporium (Pc). Pc was inoculated into composting Reactor A, C and D, while Reactor B without inocula was used as control. The results showed that composting with Pc accelerated the degradation of 4-NP, increased the(More)
Nanoparticles can be absorbed by plants, but their impacts on phytoremediation are not yet well understood. This study was carried out to determine the impacts of starch stabilized nanoscale zerovalent iron (S-nZVI) on the cadmium (Cd) accumulation and the oxidative stress in Boehmeria nivea (L.) Gaudich (ramie). Plants were cultivated in Cd-contaminated(More)
OBJECTIVE To study the clinical features of acute graft-versus-host disease (aGVHD) and its risk factors for the related HLA-haploidentical non T cell-depleted in vitro peripheral hematopoietic stem cell transplantation (RHNT-PBSCT). METHODS From July 2002 to December 2012, 104 patients who underwent the RHNT-PBSCT were enrolled to analyze the incidences,(More)
Lead (Pb) is one of the most toxic heavy metals that pose a direct threat to organisms and it can not been degraded through microbial activities or chemical reaction. Bioavaibility and eco-toxicity of Pb which mostly depend on Pb chemical speciation play an important role in the remediation of Pb-contaminated soils. Phosphate (P) amendments which could(More)
There is a continuously increasing worldwide concern for the development of wastewater and contaminated soil treatment technologies. Fenton processes and biological treatments have long been used as common technologies for treating wastewater and polluted soil but they still need to be modified because of some defects (high costs of Fenton process and long(More)