目的研究尸体解剖案例心、肺质量的差异,探讨心、肺质量在法医学鉴定中的应用价值。方法收集中国医科大学法医司法鉴定中心2007-2016年受理的尸体解剖案例1614例,采用GraphPad Prism6.0软件分析心、肺质量与年龄、身高、体质量及人体质...目的研究尸体解剖案例心、肺质量的差异,探讨心、肺质量在法医学鉴定中的应用价值。方法收集中国医科大学法医司法鉴定中心2007-2016年受理的尸体解剖案例1614例,采用GraphPad Prism6.0软件分析心、肺质量与年龄、身高、体质量及人体质量指数(body mass index,BMI)的相关性,以及在不同死因中的差异。结果男性心、肺质量均高于女性(P<0.05)。男、女性心脏质量均与年龄、身高、体质量及BMI呈正相关(P<0.05)。心脏性猝死者的心脏质量高于其他各死因者,溺死、迁延死者双肺质量高于其他各死因者(P<0.05)。结论在法医学鉴定实践中,测量心、肺质量对不同死因的诊断及鉴别诊断具有一定的意义。展开更多
Using simple and eco-friendly ethanol solvothermal treatment,dual-emission biomass carbon quantum dots(D-BCQDs)were synthesized from biomass viburnum awabuki leaves.Under excitation with 413 nm wavelength light two em...Using simple and eco-friendly ethanol solvothermal treatment,dual-emission biomass carbon quantum dots(D-BCQDs)were synthesized from biomass viburnum awabuki leaves.Under excitation with 413 nm wavelength light two emission peaks appeared at 490 and 675 nm and the dots could be tuned to emit crimson,red,purplish red,purple and blue-gray fluorescence by changing the solvothermal temperature from 140℃ to 160,180,200 and 240℃,respectively.XPS and FTIR characterization in-dicated that the fluorescence color was mainly determined by surface oxidation defects,elemental nitrogen and sp^(2)-C/sp^(3)-C hybrid-ized structural domains.The D-BCQDs could not only detect Fe^(3+)or Cu^(2+),but also quantify the concentration ratio of Fe^(3+)to Cu^(2+)in a solution containing both,demonstrating their potential applications in the simultaneous detection of Fe^(3+)and Cu^(2+)ions.展开更多
文摘目的研究尸体解剖案例心、肺质量的差异,探讨心、肺质量在法医学鉴定中的应用价值。方法收集中国医科大学法医司法鉴定中心2007-2016年受理的尸体解剖案例1614例,采用GraphPad Prism6.0软件分析心、肺质量与年龄、身高、体质量及人体质量指数(body mass index,BMI)的相关性,以及在不同死因中的差异。结果男性心、肺质量均高于女性(P<0.05)。男、女性心脏质量均与年龄、身高、体质量及BMI呈正相关(P<0.05)。心脏性猝死者的心脏质量高于其他各死因者,溺死、迁延死者双肺质量高于其他各死因者(P<0.05)。结论在法医学鉴定实践中,测量心、肺质量对不同死因的诊断及鉴别诊断具有一定的意义。
文摘Using simple and eco-friendly ethanol solvothermal treatment,dual-emission biomass carbon quantum dots(D-BCQDs)were synthesized from biomass viburnum awabuki leaves.Under excitation with 413 nm wavelength light two emission peaks appeared at 490 and 675 nm and the dots could be tuned to emit crimson,red,purplish red,purple and blue-gray fluorescence by changing the solvothermal temperature from 140℃ to 160,180,200 and 240℃,respectively.XPS and FTIR characterization in-dicated that the fluorescence color was mainly determined by surface oxidation defects,elemental nitrogen and sp^(2)-C/sp^(3)-C hybrid-ized structural domains.The D-BCQDs could not only detect Fe^(3+)or Cu^(2+),but also quantify the concentration ratio of Fe^(3+)to Cu^(2+)in a solution containing both,demonstrating their potential applications in the simultaneous detection of Fe^(3+)and Cu^(2+)ions.
