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Yizhen Yu,Bingzhi Li,Yinsha Wei,Xinyue Ren,Fengsai Bie,Yang Xu,Ri Qiu,Xiaoguang Li,Yibo Ouyang 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.118 No.-
In the harsh environment, the corrosion of Cu leads to the failure of pipelines, condenser, printed circuitboard and so forth. Thus, protecting Cu from corrosion is critically important from both science and engineeringbackgrounds. In this report, the hierarchical structure compositing dendritic Cu and ZIF-67 is preparedonto Cu by a two-step electrodeposition protocol. After thiol modification and oil infusion, bioinspiredsuperhydrophobic surface (SHS) and slippery liquid-infused porous surface (SLIPS) is respectivelyachieved, and sophisticated techniques are used for characterizing chemical composition, morphology,topology and wettability. Scanning Kelvin probe is employed to know the surface potentialdistribution before and after the biomimetic transformation. Using different electrochemical approaches,the corrosion inhibition effect is elucidated. In 3.5 wt% NaCl corrosive medium, |Z|0.01Hz of SLIPS is as highas 1.35 108 Xcm2 at the initial immersion stage. The value is remarkably enhanced compared with SHS(6.76 104 Xcm2) and bare Cu (8.74 103 Xcm2). After soaking for 168 h, |Z|0.01Hz value of SHS andSLIPS is 3.84 104 Xcm2 and 4.93 106 Xcm2, illustrating that SLIPS has high resistance to protectCu from corrosion.
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Bo Li,Wenyi Lv,Chunde Li,Jiongxian Yang,Jiajia Chen,Jin Feng,Li Chen,Zhenyu Ma,Youqi Li,Jiayi Wang,Yanwei Liu,Yanong Li,Shuai Liu,Shiqi Luo,Xiaoguang Qiu 대한암학회 2020 Cancer Research and Treatment Vol.52 No.4
Purpose Whether craniospinal irradiation (CSI) could be replaced by limited-field radiation in non-metastatic bifocal germinoma remains controversial. We addressed the issue based on the data from our series and the literature. Materials and Methods Data from 49 patients diagnosed with non-metastatic bifocal germinoma at our hospital during the last 10 years were collected. The Pediatric Quality of Life Inventory 4.0 was used to evaluate health-related quality of life (HRQOL). Additionally, 81 patients identified from the literature were also analyzed independently. Results In our cohort, 34 patients had tumors in the sellar/suprasellar (S/SS) plus pineal gland (PG) regions and 15 in the S/SS plus basal ganglia/thalamus (BG/T) regions. The median follow-up period was 52 months (range, 10 to 134 months). Our survival analysis showed that patients treated with CSI (n=12) or whole-brain radiotherapy (WBRT; n=34) had comparable disease-free survival (DFS; p=0.540), but better DFS than those treated with focal radiotherapy (FR; n=3, p=0.016). All 81 patients from the literature had tumors in the S/SS+PG regions. Relapses were documented in 4/45 patients treated with FR, 2/17 treated with whole-ventricle irradiation, 0/4 treated with WBRT, and 1/15 treated with CSI. Survival analysis did not reveal DFS differences between the types of radiation field (p=0.785). HRQOL analysis (n=44) in our cohort found that, compared with S/SS+PG germinoma, patients with BG/T involvement had significantly lower scores in social and school domains. However, HRQOL difference between patients treated with CSI and those not treated with CSI was not significant. Conclusion In patients with non-metastatic bifocal germinoma, it is rational that CSI could be replaced by limited-field radiation. HRQOL in patients with BG/T involvement was poorer.
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