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Feeding and related morphology of salivary glands of Bradysia odoriphaga (Diptera: Sciaridae)
Huan-Huan Gao,Yi-Fan Zhai,Xue Cao,Xian-Hong Zhou,Zhong-Yan Wang,Fang Wang,Hao Chen,Yi Yu 한국응용곤충학회 2016 Journal of Asia-Pacific Entomology Vol.19 No.2
The amount of Bradysia odoriphaga larval feeding at each developmental stage and the related morphology of salivary glands were investigated in this study. The amount of daily feeding in the third instar was greatest among all the developmental stageswhile the amount of cumulative feeding in the fourth-instar accounted for 53.56% of the total amount of larval feeding. The daily amount of feeding by B. odoriphaga during the whole larval stage peaked in the 8th and 14th day after hatching. The paired and transparent salivary glands of B. odoriphaga were characterized by two distinct regions: an anterior region and a posterior region. At the fourth-instar and pupal stage, the length of salivary glands decreased significantly compared with that of the third-instar, and the integrity of epithelium cytoplasm in the salivary glands also decreased markedly because of the formation of cytoplasmic vacuoles and degradation of rough endoplasmic reticulum and mitochondria. We concluded that the decrease of daily feeding amount in the last instar was related to the structural change of salivary gland closely. The function of salivary glands in B. odoriphaga was mainly secretion of silk and cocooning-like materials during the last larval instar.
Huan Wang,Yu Zou,Zhong Zhang,Kai-Yuan Wang,Huan An,Chang-Yong Zhan,Jun Wang,Jian-Chun Wu 한국물리학회 2019 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.74 No.8
The migration properties of uranium vacancies and interstitials in zirconium-doped uranium dioxide are studied by using density functional theory (DFT) and the climbing-image nudge elastic band (CI-NEB) method. The strong correlations among uranium $5f$ electrons were described by using a spherically averaged Hubbard parameter. In the model, the zirconium atoms are introduced by replacing the uranium atoms at the nearest and the next nearest neighbor sites along the diffusion path of uranium defects. The doping with zirconium obviously reduces the migration barriers for defects in uranium dioxide. The effect of doping with zirconium on the diffusion of uranium defects decreases with increasing distance between the zirconium dopant and the uranium defects. Further, we investigated the lattice distortion and the electron transfer associated with the migration of uranium defects, and we analyzed the physical origin of the reduction in the migration barriers caused by zirconium doping.
Zhong Jinman,Qin Weijun,Li Yu,Wang Yang,Huan Yi,Ren Jing 대한영상의학회 2020 Korean Journal of Radiology Vol.21 No.12
Objective: To evaluate urologist satisfaction on structured prostate MRI reports, including report with tumor-node-metastasis (TNM) staging (report B) and with Prostate Imaging Reporting and Data System (PI-RADS) score with/without TNM staging (report C, report with PI-RADS score only [report C-a] and report with PI-RADS score and TNM staging [C-b]) compared with conventional free-text report (report A). Materials and Methods: This was a prospective comparative study. Altogether, 3015 prostate MRI reports including reports A, B, C-a, and C-b were rated by 13 urologists using a 5-point Likert Scale. A questionnaire was used to assess urologist satisfaction based on the following parameters: correctness, practicality, and urologist subjectivity. Kruskal-Wallis H-test followed by Nemenyi test was used to compare urologists’ satisfaction parameters for each report type. The rate of urologist-radiologist recalls for each report type was calculated. Results: Reports B and C including its subtypes had higher ratings of satisfaction than report A for overall satisfaction degree, and parameters of correctness, practicality, and subjectivity (p < 0.05). There was a significant difference between report B and C (p < 0.05) in practicality score, but no statistical difference was found in overall satisfaction degree, and correctness and subjectivity scores (p > 0.05). Compared with report C-b (p > 0.05), report B and C-a (p < 0.05) showed a significant difference in overall satisfaction degree and parameters of practicality and subjectivity. In terms of correctness score, neither report C-a nor C-b had a significant difference with report B (p > 0.05). No statistical difference was found between report C-a and C-b in overall satisfaction degree and all three parameters (p > 0.05). The rate of urologist-radiologist recalls for reports A, B, C-a and C-b were 29.1%, 10.8%, 18.1% and 11.2%, respectively. Conclusion: Structured reports, either using TNM or PI-RADS are highly preferred over conventional free-text reports and lead to fewer report-related post-hoc inquiries from urologists.
Nan Zhong,Xian Li,Huan Hu,Yawen Huang,Xu Ye,Junxiao Yang 한국고분자학회 2019 Macromolecular Research Vol.27 No.12
All-benzocyclobutene functionalized polycarbosilanes and the derived copolymers were successfully synthesized by ring-opening polymerization (ROP) of 1,1-dibenzocyclobutene-1-silacyclobutane (DBCBSCB) and 1,1-diphenylsiletane (DPSCB) using Karstedt’s catalyst. Adjusting the copolymerization ratio of DBCBSCB and DPSCB could afford to control the ultimate properties of the cured resins. The linear polycarbosilanes containing dibenzocyclobutene were directly cross-linked upon high temperature. With increasing the copolymerization ratio of DBCBSCB and DPSCB, the 5% weight loss temperature (T5%) of cured resins is increased from 450 °C to 506 °C under a nitrogen atmosphere, while the dielectric constant (k) is decreased from 2.60 to 2.42 at 10 MHz. The excellent thermostability and low-dielectric performance make such thermosets have potential application in the microelectronic industry.
Mingsheng Zhong,Xi Liu,Feng Liu,Yulong Ren,Yunlong Wang,Jianping Zhu,Xuan Teng,Erchao Duan,Fan Wang,Huan Zhang,Mingming Wu,Yuanyuan Hao,Xiaopin Zhu,Ruonan Jing,Xiuping Guo,Ling Jiang,Yihua Wang,Jianmi 한국식물학회 2019 Journal of Plant Biology Vol.62 No.1
Starch is a major storage substance in cerealgrains, and starch biosynthesis is a complex process. In orderto elucidate regulation of the starch biosynthesis pathway, wescreened a series of rice (Oryza sativa L.) endospermmutants. In this study, we identified a floury white-coreendosperm mutant named floury endosperm12 (flo12). Theflo12 mutant exhibited loosely packed starch granules and alower thousand kernel weight compared to wild type. Semithinsections revealed that compound starch grains (SG) inflo12 interior endosperm cells were developed abnormally. Furthermore, amylose content was decreased, while totalprotein content was significantly increased in flo12 grains. Map-based cloning showed that FLO12 encodes rice alanineaminotransferase 1 (OsAlaAT1). OsAlaAT1 is highly expressedin developing endosperm. Subcellular localization showedthat OsAlaAT1 is localized in the cytosol. Moreover, theexpression of most starch synthesis-related genes wasdecreased, while most of the storage protein coding geneshad elevated expression levels in the flo12 mutant. Inaddition, overexpression of the OsAlaAT1 gene increasedgrain weight. In brief, we demonstrated that OsAlaAT1regulates carbon and nitrogen metabolism, which provides anew insight for the improvement of rice quality and yield.
Xingyun Jin,Xiaolong Tang,Huan Li,Xiaoqian Tang,Jian zhang Li,Jun bo Zhong,Shulin Zhang,Dongge Ma 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.107 No.-
In this paper, distillers’ grains biochar (DGBC) was facilely gained by processing the distillers’ grains producedin Chinese Baijiu brewing, and the DGBC was used to modify BiOCl. The prepared DGBC/BiOCl compositephotocatalysts show elevated visible light-driven catalytic performance. X-ray diffraction (XRD)and scanning electron microscope (SEM) suggest the presence of DGBC affects the crystal growth andmicroscopic morphology of BiOCl. The low-temperature electron paramagnetic resonance (EPR) testaffirms more oxygen vacancies (OVs) exist in the DGBC/BiOCl composite photocatalysts. The 0.75-DGBC/BOC photocatalyst holds the highest efficiency for removal of rhodamine B (RhB), tetracycline(TC) and Cr (VI) compared with BiOCl, commercial TiO2 (P25) and other DGBC/BiOCl composites. Giventhe experimental results, the enhanced visible light responsive performance originates from the richOVs introduced by the modification of BiOCl with DGBC and the higher separation rate of photoexcitedcarriers.
Phenolic constituents from Parakmeria yunnanensis and their anti-HIV-1 activity
Shan-Zhai Shang,Huan Chen,Cheng-Qin Liang,Zhong-Hua Gao,Xue Du,Rui-Rui Wang,Yi-Ming Shi,Yong-Tang Zheng,Wei-Lie Xiao,Han Dong Sun 대한약학회 2013 Archives of Pharmacal Research Vol.36 No.10
Three new phenolic compounds, yunnanensinsA–C (1–3), together with fourteen known ones (4–17),were isolated from the leaves and stems of Parakmeriayunnanensis. The structures of new compounds wereestablished on the basis of extensive spectroscopic analyses. Several compounds showed weak anti-HIV-1 activity.