{"title":"Ag@硅氧倍半聚合物的合成及其对对硝基苯酚的催化还原性能。 Ag@Silsequioxanes: Synthesis and Its Catalytic Reduction Performance for p-Nitrophenol","authors":"吴洪花,祖凤华,付山,董晓龙,李素云,义建军,郝海军,徐庆红","doi":"10.11862/cjic.2021.225","DOIUrl":"https://doi.org/10.11862/cjic.2021.225","url":null,"abstract":"以氨丙基三乙氧基硅烷和草酰氯为原料，合成得到链上含亚氨基和羰基官能团的硅氧倍半聚合物。以此聚合物为载体，通过配位吸附和还原得到银纳米粒子（平均粒径约为15 nm）高度分散于硅氧烷聚合物表面的复合物。研究结果表明，复合物中银负载量（质量分数）约为13.66%，在水溶液中25℃、6 min内可将对硝基苯酚（4-NP）完全催化还原为对氨基苯酚（4-AP），且7次循环使用后依然保持95%以上的催化活性。在常温常压条件下，催化剂的最高活性达到33.0 g4-AP·gAg-1，表现出优异的催化还原性能。","PeriodicalId":501515,"journal":{"name":"无机化学学报","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138535548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"肿瘤靶向Pt-Cu基纳米平台用于近红外二区光声成像引导的光热治疗。 Tumor-Targeted Pt-Cu Nanoplatform for Photothermal Therapy Guided by the Second Near-Infrared Window Photoacoustic Imaging","authors":"郑子良,曲波涛,杨晓荣,刘玲,张瑞平","doi":"10.11862/cjic.2021.238","DOIUrl":"https://doi.org/10.11862/cjic.2021.238","url":null,"abstract":"基于层层（LBL）自组装技术，在Pt-Cu纳米合金表面依次包覆带正电的聚赖氨酸（PLL）和带负电的透明质酸（HA），成功构筑Pt-Cu@PLL@HA纳米平台。HA不仅延长了纳米平台血液循环时间，还可实现肿瘤主动靶向作用，提升肿瘤部位富集效果。在肿瘤区域透明质酸酶（HAase）作用下HA快速降解，释放Pt-Cu@PLL（+）颗粒，有利于肿瘤细胞特异性摄取。基于Pt-Cu合金良好的近红外二区（NIR-Ⅱ）吸收性能，实现了NIR-Ⅱ光声成像引导的NIR-Ⅱ光热高效抗肿瘤效果","PeriodicalId":501515,"journal":{"name":"无机化学学报","volume":"119 4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138542027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"二硫化锡纳米片阻变存储器的制备与性能。 Preparation and Properties of Resistive Random Access Memory Based on Tin Disulfide Nanosheets","authors":"赵婷,坚佳莹,董_凡,冯浩,南亚新,常芳娥","doi":"10.11862/cjic.2021.235","DOIUrl":"https://doi.org/10.11862/cjic.2021.235","url":null,"abstract":"采用水热法合成了尺寸为50~100 nm的二硫化锡纳米片，并首次以二硫化锡作为阻变层材料的阻变存储器（Cu/PMMA/SnS2/Ag，PMMA=聚甲基丙烯酸甲酯），对其阻变性能进行了研究。结果表明：Cu/PMMA/SnS2/Ag阻变存储器的开关比约105，耐受性2.7×103。在上述2项性能指标达到较优水平的同时，开态与关态电压分别仅约为0.28与-0.19 V。","PeriodicalId":501515,"journal":{"name":"无机化学学报","volume":"169 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138535552","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"双功能化磁性纳米修复剂对多重金属的快速、高效钝化行为。 Fast and Efficient Immobilization Behavior of Bifunctional Magnetic Nano-Amendment Against Multi-heavy Metal","authors":"梁静,韩露,李宝,时珍珠,刘星驰,彭李超,邹雪艳","doi":"10.11862/cjic.2021.243","DOIUrl":"https://doi.org/10.11862/cjic.2021.243","url":null,"abstract":"采用“一锅法”制备了四氧化三铁/半胱氨酸（Fe3O4/Cys）磁性纳米微球，随后对Fe3O4/Cys进行亚氨基二乙酸（IDA）修饰得到Fe3O4/Cys/IDA磁性双功能化纳米微球。研究发现Fe3O4/Cys中的L-Cys是通过—SH基团接枝到Fe3O4表面的，随后IDA分子中的羧基与Fe3O4/Cys中的—NH2形成酰胺键，最终形成多支链多羧基的Fe3O4/Cys/IDA磁性纳米修复剂。基于修复剂表面短支链-长支链交替的多羧基结构，实现了羧基基团的高密度接枝。同时，Fe3O4/Cys/IDA磁性纳米微球对Pb2+、Cd2+、Cu2+、Co2+、Ni2+、Zn2+为专性吸附，而对Hg2+属于非专性吸附，且吸附重金属后得到的钝化产物均表现了良好的稳定性。另外，Fe3O4/Cys/IDA对重金属离子的吸附符合Langmuir模型，属于单层均相吸附，其吸附过程符合准二级动力学模型，最大吸附量为49.05 mg·g-1。","PeriodicalId":501515,"journal":{"name":"无机化学学报","volume":"12 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138535549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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