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- 저자 : Binbin Zheng (검색결과 4 건)
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LIAO Binbin,Jiamei ZHENG,LIU Rong,LIU Yinglin,LIU Xi,CHEN Xubing 한국식물분류학회 2024 식물 분류학회지 Vol.54 No.1
<i>Polygonatum hirtellum</i> is a perennial herb within the family Asparagaceae. In the present study, the chloroplast (cp) genome of <i>P. hirtellum</i> is reported for the first time, and its phylogenetic relationships are also investigated. The findings revealed that the cp genome was 155,697 bp and exhibited a typical quadripartite structure, consisting of a large single copy (84,468 bp), a small single copy (18,491 bp), and a pair of invert repeat sequences (26,369 bp). The GC content of the cp genomes amounted to 37.7%; 130 genes were identified, consisting of 84 protein-coding genes, 38 transfer RNA genes, and eight ribosomal RNA genes. A phylogenetic analysis based on the cp genome and coding sequence showed that <i>P. hirtellum</i> was a member of section <i>Verticillata</i> and could be distinguished from other species of the genus <i>Polygonatum</i> used in the analysis.
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Yuyuan Yao,Zhenfu Huang,Binbin Zheng,Shun Zhu,Wangyang Lu,Wenxing Chen,Haixiang Chen 한국물리학회 2013 Current Applied Physics Vol.13 No.8
Zinc tetraaminophthalocyanine (Zn-TAPc) modified by cyanuric chloride was immobilized on silk fibers by covalent bond to obtain a supported photocatalyst (Zn-TDTAPc-SF). The photocatalytic degradation of acid orange II based on Zn-TDTAPc-SF/O2 system was investigated under visible light irradiation (λ ≥ 400 nm). The results indicated that Zn-TDTAPc-SF exhibited excellent photocatalytic performance in the presence of O2 under visible light irradiation. In 6 h, more than 93% of acid orange II (AO2) in Zn-TDTAPc-SF/O2 systemwas eliminated at initial pH 5 under visible light irradiation, and Zn-TDTAPc-SF still remained effective in repetitive fives cycles. Furthermore, NaCl played a positive role in the catalytic reaction, different from the negative one observed in homogeneous catalysis, and the reaction can proceed in a more wide pH range from acidic to alkaline. Based on the analysis of FT-IR and Gas Chromatography/Mass Spectrometry (GCeMS), AO2 was mainly converted into some small molecular biodegradable aliphatic carboxylic compounds such as maleic acid, fumaric acid, succinic acid, etc. The photodegradation mechanism for the evolution of AO2 was proposed by Electron Paramagnetic Resonance (EPR) spectra.
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Xia Zou,Bo Feng,Taotao Dong,Binbin Tan,Hao Shen,Xiu Zhang,Menghui Zhang,Minhua Zheng,Yan Zhang 한국당과학회 2012 한국당과학회 학술대회 Vol.2012 No.1
Colorectal cancer (CRC) is one of the most prevalent cancers in the world with high mortality and morbidity rates. In this study, we have performed comparative proteomic profiling of sera from CRC patients at stage I (n=17), stage II (n=40), stage III (n=24) and healthy subjects (n=25) to gain a global view of protein expression change during CRC tumorigenesis and provide potential targets for CRC diagnosis and treatment. As a result, a total of 93 proteins were found differentially expressed in CRC patients with a label-free quantitative APXE method. After GO and KEGG pathway analysis, those proteins most frequently involved in ECM-receptor interaction, complement and coagulation cascades. As important as components of ECM, we found several collagens in CRC serum had been changed from tumor stage I to IV. And the validation of collagen I (COL1) at RNA and protein expression level shown extremely comparable to pooled serum proteomic results using independent 26 paired tumor and matched normal colorectal tissues. Those findings indicated that the change of collagen I observed in serum were indeed from pathogenic lesion of colorectal tissue. Moreover, we further investigated serum levels of COL1, PICP (the synthesis indicator) and CTx (the breakdown indicator) in 77 CRC patients and 33 normal controls by ELISA. The results showed PICP and CTx were better for discriminating normal from cancer groups as well as non-metastatic from metastatic tumor than COL1. Finally, we evaluated the expression of MMPs in paired tumor and normal tissues from patients with different stages. Notably, the expression of MMP1, 7 and 14 were remarkably enhanced in carcinoma tissues and the trend were parallel with the progression of tumor stage. The expression of E-cadherin and CDX2, which had been considered as targets of COL1 in cell models, were also verified in tissues and displayed decrease in tumor. Overall, COL1 might be affected by MMP1, 7, 14 and had effects on cell adhesion and differentiation through E-cadherin and CDX2.
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Structure and Electrical Performance of Na<sub>2</sub>C<sub>6</sub>O<sub>6</sub> under High Pressure
Wang, Xuan,Zhang, Peijie,Tang, Xingyu,Guan, Junjie,Lin, Xiaohuan,Wang, Yajie,Dong, Xiao,Yue, Binbin,Yan, Jinyuan,Li, Kuo,Zheng, Haiyan,Mao, Ho-kwang American Chemical Society 2019 The Journal of Physical Chemistry Part C Vol. No.
<P>Sodium rhodizonate (Na<SUB>2</SUB>C<SUB>6</SUB>O<SUB>6</SUB>) has very high theoretical capacity as a positive electrode material of sodium-ion batteries, but it still has problems such as low actual capacity and poor electronic/ionic conductivity. In order to improve its conductivity, we investigated its structure and electrical properties under high pressure. By performing in situ X-ray diffraction, Raman, infrared absorption, and alternating current impedance spectroscopy in the range of 0-30 GPa at room temperature, we observed a phase transition at ∼11 GPa, with the conductivity increasing by an order of magnitude. Above ∼20 GPa, Na<SUB>2</SUB>C<SUB>6</SUB>O<SUB>6</SUB> gradually amorphized. During the decompression process, the pressure regulation of the structure and properties of the material are reversible. Our study shows that applying external pressure is an effective tool to improve the conductivity of molecular battery materials. The investigation will help to obtain next-generation electrode materials.</P> [FIG OMISSION]</BR>
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