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Intension, Current Implementation and Improvement Path of Instructional Leadership: A school Case of Hong Kong
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作者 Ling Dai yicai zhu 《Journal of Educational Theory and Management》 2021年第2期35-40,共6页
This paper aims to analyze the implementation status of instructional leadership of a HK primary school that benefits in mid-ranking and mainly uses instructional leadership to develop their curriculums.Instructional ... This paper aims to analyze the implementation status of instructional leadership of a HK primary school that benefits in mid-ranking and mainly uses instructional leadership to develop their curriculums.Instructional leadership is the result of introducing leadership concepts into the teaching field,and it reflects the changing trend of school management to a certain extent.At present,the research on instructional leadership is limited to the principal's leadership,which limits the overall function of instructional leadership.By investigating the actuality of school and the implementation of school policies and programs,the paper deeply analyzes the existed problems in a Hong Kong school and offers optimization suggestions:strengthen the school distributive leadership construction,promote the professional development of teachers and curriculums,establish a diversified evaluation system,develop an organizational culture of democratic cooperation and improve the curriculum leadership of principals. 展开更多
关键词 Instructional leadership HK primary school Distributive leadership Curriculum development
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简单的蛋白质组装激活三光子活性:由烷基链“奇-偶”效应调控其“之”字形提升
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作者 王君君 朱亿彩 +4 位作者 李劲松 王爱东 余志鹏 汪森 周虹屏 《Science China Materials》 SCIE EI CAS CSCD 2023年第6期2483-2491,共9页
设计具有高阶多光子活性、无重原子的纳米光敏剂,用于近红外(NIR-Ⅱ,1000-1700 nm)二区光诱导的深层肿瘤的光动力学治疗是一个棘手的挑战.本文利用牛血清白蛋白(BSA)与一系列无重原子光敏剂TPA-nCs(n=2-7)进行超分子组装.通过一种简单... 设计具有高阶多光子活性、无重原子的纳米光敏剂,用于近红外(NIR-Ⅱ,1000-1700 nm)二区光诱导的深层肿瘤的光动力学治疗是一个棘手的挑战.本文利用牛血清白蛋白(BSA)与一系列无重原子光敏剂TPA-nCs(n=2-7)进行超分子组装.通过一种简单的方式,成功激活了TPA-nCs多光子荧光,并展现了“奇-偶”效应的趋势,揭示了一个有趣的构效关系.具体来说,奇、偶数烷基取代TPA-nCs偶极矩的差异,导致制备的蛋白质纳米组装体TPA-nCs@BSA呈现了“之”字型增强的三光子荧光性能.其中,TPA-7C@BSA具有最大的三光子吸收截面(可达到4.81×10^(-81)cm~6 s~2 photon^(-2)),其在1250 nm近红外光照射下产生的活性氧物种可实现H22肿瘤高效光动力学治疗.本文报道的烷基链“奇-偶”调控为开发和改进多光子无重原子光敏材料在生物医学中的应用提供了新的思路. 展开更多
关键词 光动力学治疗 重原子 超分子组装 光敏材料 烷基取代 活性氧物种 多光子 偶极矩
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