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Fu-Bao Zheng,Chang-Wen Zhang,Pei-Ji Wang,Hang-Xing Luan 한국물리학회 2013 Current Applied Physics Vol.13 No.4
Using full-potential linearized augmented plane wave (FLAPW) method, we investigated the effects of intrinsic vacancies on electronic and magnetic properties in graphene-like ZnO nanosheets. The results show that the oxygen vacancy (VO) has no influence on magnetism in ZnO nanosheet, whereas the Zn vacancy (VZn) lead to spin polarization of the nanostructures with a total magnetic moment of 2.0mB due to O-2p and Zn-3d hybridization. When the distance of two VZn defects increases to 6.499 A, the system shows an intriguing half-metallic character with 100% spin-polarized carriers due to O(2p)-Zn(3d)-O(2p) coupling chain between two VZn defects.
Elliptic Flows of Charged and Strange Hadrons in Cu-Cu Collisions at High Energy
Bao-Chun Li,Yuan-Yuan Fu,Fu-Hu Liu,Li-Li Wang 한국물리학회 2012 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.60 No.7
We investigate the dependence of the elliptic flow v2 on the transverse momentum PT for charged and strange hadrons produced in Cu-Cu collisions at high energy by using a multi-source ideal gas model. A detailed comparison with the experimental results from Cu-Cu collisions at p sNN = 62.4 GeV and 200 GeV, measured by the STAR collaboration, is discussed. Over wider range of PT , the experimental results v2(PT ) are well described by this model.
Association of the XRCC1 c.1178G>A Genetic Polymorphism with Lung Cancer Risk in Chinese
Wang, Lei,Lin, Yong,Qi, Cong-Cong,Sheng, Bao-Wei,Fu, Tian Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.9
The X-ray repair cross-complementing group 1 protein (XRCC1) plays important roles in the DNA base excision repair pathway which may influence the development of lung cancer. This study aimed to evaluate the potential association of the XRCC1 c.1178G>A genetic polymorphism with lung cancer risk. The created restriction site-polymerase chain reaction (CRS-PCR) and DNA sequencing methods were utilized to evaluate the XRCC1 c.1178G>A genetic polymorphism among 376 lung cancer patients and 379 controls. Associations between the genetic polymorphism and lung cancer risk were determined with an unconditional logistic regression model. Our data suggested that the distribution of allele and genotype in lung cancer patients was significantly different from that of controls. The XRCC1 c.1178G>A genetic polymorphism was associated with an increased risk of lung cancer (AA vs GG: OR=2.91, 95%CI 1.70-4.98, p<0.001; A vs G: OR=1.52, 95%CI 1.22-1.90, p<0.001). The allele A and genotype AA may contribute to risk of lung cancer. These preliminary results suggested that the XRCC1 c.1178G>A genetic polymorphism is statistically associated with lung cancer risk in the Chinese population.
Wang, Zhong-Tang,Wei, Li-Li,Ding, Xiu-Ping,Sun, Ming-Ping,Sun, Hong-Fu,Li, Bao-Sheng Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.2
Objective: To investigate the treatment effect of additional information obtained by single photon emission computed tomography (SPECT) lung perfusion imaging (LPI) in the radiotherapy planning process for patients with stage III non-small cell lung cancer (NSCLC). Methods: 39 patients with stage III NSCLC were enrolled. Gross tumor volume (GTV) was outlined by SPECT/CT images, SPECT-LPIs being used to define functional lung (FL) and non-functional lung (NFL) regions. Two sets of IMRT plans were designed to deliver 64Gy to PTV. One was a regular IMRT plan using CT images only (Plan 1), and the other was a corresponding IMRT plan using co-registered images (Plan 2). $FL_{Vx}$ (the % volume of functional lung receiving ${\geq}$x Gy) and $WL_{Vx}$ (% volume of whole lung to receive ${\geq}$x Gy) were compared by paired Student's t test. Kendalls correlation was used to analyze the factor (s) related with the FLV20 decrease. Results: Compared with plan 1, both $WL_{Vx}$ and $FL_{Vx}$ were decreased in plan 2. $WL_{V10}$, $WL_{V15}$, $WL_{V20}$, $WL_{V25}$, $WL_{V30}$ and $WL_{V35}$ decreased 9.7%, 13.8%, 17.2%, 12.9%, 9.8% and 9.8%, and $FL_{V10}$, $FL_{V15}$, $FL_{V20}$, $FL_{V25}$, $FL_{V30}$ and $FL_{V35}$ decreased 10.8%, 14.6%, 17.3%, 14.5%, 14.5% and 10.5%. $FL_{Vx}$ decreased significantly compared with $WL_{Vx}$. There were significant differences in $WL_{V10}$, $WL_{V15}$, $WL_{V20}$, $WL_{V25}$, $WL_{V3}$ and $FL_{V10}$, $FL_{V15}$, $FL_{V20}$, $FL_{V25}$, $FL_{V30}$ between plan 1 and plan 2 (P=0.002, 0.000, 0.000, 0.005, 0.027 and 0.002, 0.000, 0.000, 0.006, 0.010). According to Kendall correlation analysis, NFL had a negative relation with the percentage FLV20 decrease (r=-0.559, P<0.01), while the distance of PTV and NFL center had a significantly positive relation with the percentage of FLV20 decrease (r=0.768, P<0.01). Conclusion: Routine use of SPECT-LPI for patients undergoing radiotherapy planning for stage III NSCLC appears warranted.
Fudi Wang,Yuejiang Shi,Wei Zhang,Jia Fu,Yingying Li,Bao Nian Wan,이상곤,Manfred Bitter,Kenneth Hill 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.4
A new high-resolution tangential imaging X-ray crystal spectrometer (TXCS) is described for implementation on the Experimental Advanced Superconducting Tokamak (EAST) to provide spatially and temporally resolved data on the toroidal plasma rotation velocity and on the ion and the electron temperature. These data are derived from observations of the satellite spectra of heliumlike argon (Ar XVII). The TXCS will provide data for all experimental conditions, which include ohmically heated discharges as well as plasmas with radio-frequency (RF) waves and neutral-beam heating. The latest experimental results show that lower hybrid waves (LHW) induce a co-current change in a toroidal rotation of up to 45 km/s in the <i>L</i>-mode plasma core region. A modification of the toroidal rotation develops on the extended plasma region and a long time scale (≥1 s). The experimental setup and the initial experimental results are presented.
Na Wang,Tian-xiang Wu,Yong Zhang,Xiao-bao Xu,Sha Tan,Hong-wei Fu 대한약학회 2013 Archives of Pharmacal Research Vol.36 No.3
Gastrodin (GA), p-hydroxylbenzaldehyde (HBA),p-hydroxybenzyl alcohol (gastrodigenin, HA) and parishin notonly are the major active ingredients of Rhizoma gastrodiae,but exist transformed relations from each other throughout thefermentation process of Grifola frondosa in this work.We hadfound that parishin (non-free gastrodin) almost could completelytransformed into gastrodin (GA, free gastrodin) afterR. gastrodiae alcohol extract was sterilized by moist heat(121 C, 30 min), but before was added into submerged cultivationof G. frondosa. However, interestingly and importantly,gastrodin re-synthesized of parishin after R. gastrodiaealcohol extract’s addition into submerged cultivation ofG. frondosa. In addition, the reduction of p-hydroxylbenzaldehydeand p-hydroxybenzyl alcohol in G. frondosa fermentationprocess reconfirmed that the G. frondosa strain 51616really could synthesize gastrodin into parishin by submergedfermentation. This paper firstly also reported G. frondosa’seffects on R. gastrodiae.
Jianxin Fu,Dan Hou,Yiguang Wang,Chao Zhang,Zhiyi Bao,Hongbo Zhao,Shaoqing Hu 한국원예학회 2019 Horticulture, Environment, and Biotechnology Vol.60 No.4
Osmanthus fragrans Lour. is a popular aromatic ornamental plant and its fl owers are used to enhance the color and fragrance of food. In this study, we analyzed the volatiles of 29 cultivars from all four groups of O. fragrans using a solid-phase microextraction (SPME) technique and gas chromatography–mass spectrometry (GC–MS). We identifi ed 41 volatile organic components that were distributed over fi ve diff erent compound classes, with the majority of the volatile components being dominated by alcohols, ketones, and terpenes, which accounted for 56.6–95.06% of the total volatiles in all tested materials except ‘Zao Yingui’. In ‘Zao Yingui’, alcohols, ketones, and terpenes accounted for only 48.19% of the total volatiles. The diversity of the volatile compounds and their relative contents varied among the four groups and cultivars within each group. The major volatile compounds were α-ionone, β-ionone, 2H-β-ionone, linalool, trans -linalool oxide, cis -linalool oxide, epoxy linalool, geraniol ( Z )-ocimene, and γ-decalactone in all tested cultivars, while nerol and ( Z )-3-hexenyl butanoic acid ester were abundant in several cultivars. The 29 cultivars were classifi ed into fi ve clusters in a hierarchical cluster analysis based on their fl oral volatile compounds. The cultivars of diff erent sexes (male vs. hermaphrodite) had no signifi cant diff erences in the relative contents of the major volatile compounds. This study provides valuable information for understanding the chemical composition of the volatile compounds of O. fragrans fl owers as well as a theoretical basis for the origin, development, and application of modern cultivars of O. fragrans.
Classicality in Imaginary Weak Amplification
Tao Wang,Gang Li,Chang-Bao Fu,Rui Zhang,Xuemei Su,Qian-qian Bao 한국물리학회 2017 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.71 No.12
Weak ampli¯cation is an interesting phenomenon. In this paper we show an example that the imaginary weak ampli¯cation e®ect can be only related to the classical probability distribution of the measured quantity. A general result for any two orthogonal postselections and any meter state is also given.