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- 저자 : Tianyu He (검색결과 3 건)
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Jiaojiao Zheng,Hong Zhang,Tianyu Cao,Yuanyuan Zhu,Lizhong He,Jianwei Li,Xudong Chen,Yinhu Qu 한국섬유공학회 2022 Fibers and polymers Vol.23 No.10
Superhydrophobic surfaces by creating surface roughness followed by coating with low-surface-energyfluorinated materials have been intensively developed on cotton fabrics. However, exploring superhydrophobic surfaces withnon-fluorine components and further improving their attachment with cotton fabrics is still challenging. Herein, wedeveloped a superhydrophobic surface on cotton fabric by dip coating with hexadecylamine (HDA) modified coppernanowires (Cu NWs) based on the coordination between Cu atoms and amine groups. The HDA modified Cu NWs not onlycreated surface roughness, but also decreased the surface energy, leading to a superhydrophobic cotton fabric with watercontact angle of 164 °±2.0 °. Furthermore, ultrasonic washing and tape peeling tests exhibited the Cu NWs were adheredtightly to the surface of cotton fibers, owing to the strong hydrogen bond between amine groups on HDA molecules andhydroxyl groups on cotton fibers. In addition, the superhydrophobic cotton fabric showed excellent antifouling, oil-waterseparation and infrared reflection properties. It is believed that this facile method provide promising industrial applicationsfor fabricating superhydrophobic surfaces on other substrates.
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Yuan Zhang,Lufei Zhang,Sinan Lu,Yucheng Xiang,Cheng Zeng,Tianyu He,Yuan Ding,Weilin Wang 대한암학회 2021 Cancer Research and Treatment Vol.53 No.1
Purpose Intrahepatic cholangiocarcinoma (ICC) is one of the most common liver primary tumors but its treatments are limited. Bioinformatics showed that the expression level of long non-coding RNA cancer-associated susceptibility 15 gene (CASC15) is correlated with ICC progression, but its functional mechanism remains unclear. Materials and Methods Tissues from ICC patients, tumor and adjacent tissue, were used for detection of the expression of CASC15. Clinical data were also collected for clinicopathologic and survival analysis. Short interfering RNA and lentiviral short hairpin RNA were used to knock down CASC15 and PRDX2 expression in ICC cell lines, for the analysis of changes of cell function and xenografts. RNA-pulldown and RNA immunoprecipitation assays were used to detect RNA-binding protein, PRDX2. Male nude mice were used for ICC xenografts, and livers were collected after 4 weeks for immunohistochemistry. Results CASC15 is highly expressed in ICC tissues and is related to higher TNM stage. Knockdown of CASC15 in ICC cells reduced cell proliferation, migration, invasiveness and increased apoptosis, and G1/S block. PRDX2 bound to CASC15. Knockdown of CASC15 decreased PRDX2 expression which was rescued by the inhibition of proteasome formation. Downregulation of PRDX2 resulted in G1/S block, reduced ICC cell invasion. Downregulation of CASC15 inhibited phosphoinositide 3-kinase (PI3K)/AKT/c-Myc pathway through downregulating of PRDX2 and overexpressed PRDX2 rescued the block. CASC15 knockout in ICC xenografts suppressed tumor development in vivo, decreased the expression of PRDX2 and Ki67 and inhibited PI3K/AKT pathway. Conclusion CASC15 promotes ICC possibly by targeting PRDX2 via the PI3K/AKT pathway, indicating poor prognosis and high degree of malignancy of ICC.
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Zhiqiao Li,Xiang Zhang,Guojun Ma,Dingli Zheng,Ruixiang He,Tianyu Du 한양대학교 청정에너지연구소 2023 Journal of Ceramic Processing Research Vol.24 No.1
Stainless steel dust (SSD) can be utilized as the primary raw material for the production of Fe-Cr-Ni-Mn system black ceramicpigments because it is high in transition metal elements. However, in addition to the ingredients required for the preparationof black pigments, it also contains some impurity elements like Ca, Mg, Si and Zn, and the influence of these impurity elementson the coloring performance of the pigments is unclear. In this paper, pure chemical reagents were used as raw materials tosimulate the main components of SSD for the solid-phase synthesis of black ceramic pigments doped with various impuritycomponents (CaO, MgO, SiO2 and ZnO). The results show that the doping of MgO can improve the purity of the preparedblack ceramic pigments, whereas CaO, SiO2 and ZnO can turn the pigments become reddish yellow. In the doped samples,ZnO and MgO mainly react with Fe2O3 to form ZnFe2O4 and MgFe2O4. In addition, CaO reacts with Fe2O3 to generateCaFe4O7. The reactions described above can increase the average crystallite size and distort the crystal lattice of the crystalsin the pigment samples. Moreover, SiO2 exists in amorphous form among spinel grains.
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