Xiaofeng F Duan

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OBJECTIVE To study the influence of mutation of 677 C to T in the methylenetetrahydrofolate reductase (MTHFR) gene on the plasma total homocysteine (tHcy) levels in hemodialysis patients. METHODS The study population included 40 healthy subjects and 53 patients with end-stage renal disease (ESRD) undergoing hemodialysis. C 677 T transition in the MTHFR(More)
This study aimed to assess the prognostic value of the hypothetical tumor-N-ratio (rN)-metastasis (TrNM) staging system in adenocarcinoma of the esophagogastric junction (AEG). The clinical data of 387 AEG patients who received surgical resection were retrospectively reviewed. The optimal cut-off point of rN was calculated by the best cut-off approach using(More)
The 364 nm photoelectron spectrum of Si2C3 2 is reported, together with high level ab initio calculations of the linear anion, and six linear and eight nonlinear structures of the neutral Si2C3 . The adiabatic electron affinity of Si2C3 , corresponding to the transition from the linear anion to the lowest electronic state of the linear singlet neutral, is(More)
The current multidisciplinary treatment for patients with high-risk neuroblastoma (NB) is the common census. However, protocols and opinions are different in different regions and institutions. We aimed to assess the protocol formulated by Chinese Children's Cancer Group study in 2009, and the impact of surgery extent was highlightly evaluated. METHODS(More)
OBJECTIVE To preliminarily investigate the expression and clinical significance of leptin and adiponectin in esophageal squamous cell carcinoma (ESCC). METHODS The expression of leptin and adiponectin in ESCC and normal esophageal mucosal tissue was detected by immunohistochemical staining with tissue microarray. The correlation between leptin,(More)
Multispectral image compression which are based on the one-,two- and three-dimensional wavelet transforms has been existed in many papers. Existing image compression algorithms have proved to be very efficient in compressing these kinds of images.We adopted the principal component analysis,clustering and spectral angle cosine to classify and compress in(More)
By sorting through hundreds of globally stable Si12C12 isomers using a potential surface search and using simulated annealing, we have identified low-energy structures. Unlike isomers knit together by Si-C bonds, the lowest energy isomers have segregated carbon and silicon regions that maximize stronger C-C bonding. Positing that charge separation between(More)
A subwavelength plasmonic waveguide composed of a pair of comb-shape nanorod chains is proposed. The electromagnetic energy can be transported in the waveguide via the interaction strength of magnetoinductive coupling as well as conduction current exchange. Finite Element Method simulation results reveal that for such a waveguide composed of 50 pairs of 400(More)
OBJECTIVE To study the impact of preoperative fasting plasma glucose(FPG) on postoperative morbidity and outcome following surgical resection of esophageal squamous cell carcinoma (ESCC), and to analyze the risk factor of postoperative complication in ESCC. METHODS Clinicopathological data of 314 ESCC patients undergoing esophagectomy in our center(More)
Neuroblastomas (NBs) exhibit heterogeneity and show clinically significant prognosis classified by genetic alterations. Among prognostic genes or genome factors, MYCN amplification (MNA) is the most established genomic marker of poor prognosis in patients with NB. However, the prognostic classification of more than 60% of patients without MNA has yet to be(More)