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壳聚糖季铵盐/植酸多孔复合膜的制备及应用 被引量:3
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作者 郑科旺 黄超凡 +3 位作者 李伟 王伟 覃彩芹 任乔林 《绝缘材料》 CAS 北大核心 2019年第7期10-14,共5页
采用溶液共混法将植酸加入到壳聚糖季铵盐溶液中,然后冷冻干燥制备出多孔复合膜。通过红外光谱、扫描电镜、热重分析对复合膜进行表征和测试,并研究了该复合膜对变压器绝缘油中铜、铁、铝、锰4种金属杂质的吸附效果。结果表明:植酸的加... 采用溶液共混法将植酸加入到壳聚糖季铵盐溶液中,然后冷冻干燥制备出多孔复合膜。通过红外光谱、扫描电镜、热重分析对复合膜进行表征和测试,并研究了该复合膜对变压器绝缘油中铜、铁、铝、锰4种金属杂质的吸附效果。结果表明:植酸的加入没有破坏壳聚糖季铵盐复合膜的多孔结构,该复合膜能有效吸附变压器绝缘油中的金属杂质。当植酸与壳聚糖季铵盐的质量比为0.4时,该多孔复合膜对变压器绝缘油中金属杂质的吸附效率达到最高。 展开更多
关键词 壳聚糖季铵盐 植酸 复合膜 变压器油 金属杂质
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环保无氰电刷镀银工艺及其实践应用 被引量:2
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作者 黄超凡 郑科旺 +4 位作者 王伟 覃彩芹 张尖兵 杨帆 李伟 《腐蚀与防护》 CAS 北大核心 2019年第8期584-588,595,共6页
为满足电力系统检修工作中对供电设备修复技术的新要求,以焦磷酸钾为络合剂成功地制备出了性能优异的无氰电刷镀液,并采用电刷镀技术在铜基体材料表面制备得银镀层;通过镀层附着力试验、扫描电镜(SEM)、能谱(EDS)等方法对银镀层的结构... 为满足电力系统检修工作中对供电设备修复技术的新要求,以焦磷酸钾为络合剂成功地制备出了性能优异的无氰电刷镀液,并采用电刷镀技术在铜基体材料表面制备得银镀层;通过镀层附着力试验、扫描电镜(SEM)、能谱(EDS)等方法对银镀层的结构和性能进行表征。结果表明:镀液性能稳定,经过两周的密封保存,镀液没有沉淀析出且电导率无明显变化;银镀层在铜基体上附着力良好,镀层厚度能超过20μm,达到了相关应用的要求;该电刷镀工艺能够有效修复隔离开关、导流接头、接线柱、设备线夹、刀闸触头以及三相连接板的缺陷,使修复后设备性能达到使用要求。 展开更多
关键词 无氰 焦磷酸钾 电刷镀 银镀层 应用
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Bioinformatics Analysis of the Relationship between Lifestyle and Prostate Cancer
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作者 XIONG Youming YIN Qian +8 位作者 YUAN Wen WANG Meng XIE Tian SUN Jiaxinq JAMAL Muhammad SONG Tianbao CHEN Bei HONG Zixi qin caiqin 《Wuhan University Journal of Natural Sciences》 CAS CSCD 2020年第3期217-228,共12页
In this study,we assessed the relationship between lifestyle and prostate cancer.We selected the Gene Expression Omnibus(GEO)dataset GSE10306 to analyze the expression levels of ataxin10(ATXN10),interferon related dev... In this study,we assessed the relationship between lifestyle and prostate cancer.We selected the Gene Expression Omnibus(GEO)dataset GSE10306 to analyze the expression levels of ataxin10(ATXN10),interferon related developmental regulator 1(IFRD1),formin-binding protein 1 like(FNBP1 L)and THO complex 2(THOC2)in prostate biopsies pre and post intensive nutrition and lifestyle intervention.Following a three-month intervention of nutrition and lifestyle,these genes showed a significant down-regulation.ONCOMINE database analysis showed that the four genes exhibited high expression in prostate cancer tissues compared with normal prostate tissues,which indicated that comprehensive lifestyle changes may modify the progression of prostate cancer mediated by altering the expression of ATXN10,FNBP1 L,THOC2 and IFRD1.Among the four genes,the high expression of IFRD1 was found to indicate a worse overall survival(OS)and disease-free survival(DFS).FNBP1 L and THOC2 were associated with CD8+T cell infiltration of prostate cancer.We also speculated a possible regulatory network for lifestyle to influence miRNA,subsequently influencing the expression of relevant genes.Our findings suggested that these genes may be used as potential target sites for the treatment of prostate cancer. 展开更多
关键词 prostate cancer comprehensive lifestyle changes gene expression survival analysis immune infiltration MIRNAS
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Advancements of Nano-Hydroxyapatite in Sports Medicine from Bone Injury Perspectives
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作者 XIONG Youming SONG Tianbao +6 位作者 WEI Zimeng CHEN Bei HONG Zixi ZHANG Chengjie JAMAL Muhammad ZHANG Qiuping qin caiqin 《Wuhan University Journal of Natural Sciences》 CAS CSCD 2021年第3期269-277,共9页
Nanotechnology has revolutionized the field of biology and medicine in the 21 st century.Bone injury incidences during sports activities are common,and they are traditionally treated with allogeneic grafting,a common ... Nanotechnology has revolutionized the field of biology and medicine in the 21 st century.Bone injury incidences during sports activities are common,and they are traditionally treated with allogeneic grafting,a common clinical practice but limited by the quality of the graft and some side effects.Nano-hydroxyapatite(nHA)is considered as an ideal bone graft material owing to its bone-like structure,excellent biological activity,bone conductivity,non-toxicity,and non-immunogenicity.nHA and its composite materials have been found suitable for the adhesion,proliferation,and differentiation of mesenchymal stem cells,which leads to their potential applications in treating the bone injury.In this review,we classified different applications of nHA to explore the role of these materials in bone repair and tendon healing,highlighting the superior characteristics of nanomaterials in the treatment of bone injury,hoping to provide ideas for nHA applied to clinical practices for the treatment of bone injury. 展开更多
关键词 NANO-HYDROXYAPATITE bone injury treatment sports medicine
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