目前,各社会团体积极参与中医药标准的制定和发布,特别是“十四五”以来,中医药团体标准化工作更是迎来了提质增效的关键阶段。深入评估社会团体发布的中医药标准质量,是推进中医药团体标准工作的关键环节和重点任务。前期已研制并形成...目前,各社会团体积极参与中医药标准的制定和发布,特别是“十四五”以来,中医药团体标准化工作更是迎来了提质增效的关键阶段。深入评估社会团体发布的中医药标准质量,是推进中医药团体标准工作的关键环节和重点任务。前期已研制并形成了中医药团体标准评价体系(System of Consortium Standards Rating and Evaluation of Traditional Chinese Medicine, SCORETCM)。在上述背景下,本研究通过专家共识法,设计了一套基于SCORE-TCM的中医药团体标准抽样评价方案,应用场景为对于特定社会团体发布的标准,或各团体发布的特定技术类别的标准进行快速评估。该方案涵盖了标准抽样、材料收集、标准评价、结果解读的完整流程,为中医药团体标准的抽样评价工作提供了参考方案。展开更多
为了研究堆型艾美耳球虫(Eimeria acervulina)裂殖子的外分泌蛋白对马-达氏牛肾(MDBK)细胞凋亡的抑制作用,本试验建立Transwell小室间接共培养体系,即将E.acervulina裂殖子与MDBK细胞共培养,采用流式细胞术分别检测共培养1.5、3和6 h M...为了研究堆型艾美耳球虫(Eimeria acervulina)裂殖子的外分泌蛋白对马-达氏牛肾(MDBK)细胞凋亡的抑制作用,本试验建立Transwell小室间接共培养体系,即将E.acervulina裂殖子与MDBK细胞共培养,采用流式细胞术分别检测共培养1.5、3和6 h MDBK细胞的凋亡情况,利用液相色谱串联质谱(LC-MS/MS)对共培养6 h后的细胞上清液中的成分进行鉴定。结果显示,1.5、3和6 h共培养组MDBK细胞的总细胞凋亡率分别为(5.92±0.19)%、(8.13±0.32)%和(11.57±0.37)%,与对照组相比,总细胞凋亡率均极显著降低(P<0.01)。LC-MS/MS分析共鉴定到65个E.acervulina的外分泌蛋白,包括热休克蛋白、微线蛋白、能量代谢酶分子、蛋白磷酸酶分子和未知功能蛋白等。结果表明,E.acervulina裂殖子外分泌蛋白可抑制MDBK细胞凋亡,具体哪种蛋白在抑制细胞凋亡中发挥作用有待后续进一步研究。展开更多
A microwave absorbing sheet with a high complex permeability and a relatively low complex permittivity is obtained by molding of the densely coated flaky carbonyl iron particles(FCIPs)by styrenebutadiene-styrene block...A microwave absorbing sheet with a high complex permeability and a relatively low complex permittivity is obtained by molding of the densely coated flaky carbonyl iron particles(FCIPs)by styrenebutadiene-styrene block copolymer(SBS)in the assistance of coupling agent modification.Direct molding of the core-shell FCIPs without adding extra binder results in a large permeability due to the high filling ratio(55vol%)of absorbents.Importantly,the permittivity is well suppressed by the dense insulate polymer shell on the FCIPs,avoiding the severe impedance mismatch problem of the high filler content microwave absorbing materials.Investigations show that modifying the surface of FCIPs by proper amount of silane coupling agent is critical for the coating quality of the SBS shell,which is verified by resistivity and corrosion current density measurements,and can be interpreted by improved interfacial compatibility between the modified FCIPs and SBS.The obtained microwave absorbing sheet shows a minimum reflection loss of-38.74 dB at 1.57 GHz and has an effective absorption bandwidth from 1.1 to 2.3 GHz at a relatively small thickness of 2 mm.展开更多
文摘目前,各社会团体积极参与中医药标准的制定和发布,特别是“十四五”以来,中医药团体标准化工作更是迎来了提质增效的关键阶段。深入评估社会团体发布的中医药标准质量,是推进中医药团体标准工作的关键环节和重点任务。前期已研制并形成了中医药团体标准评价体系(System of Consortium Standards Rating and Evaluation of Traditional Chinese Medicine, SCORETCM)。在上述背景下,本研究通过专家共识法,设计了一套基于SCORE-TCM的中医药团体标准抽样评价方案,应用场景为对于特定社会团体发布的标准,或各团体发布的特定技术类别的标准进行快速评估。该方案涵盖了标准抽样、材料收集、标准评价、结果解读的完整流程,为中医药团体标准的抽样评价工作提供了参考方案。
基金Funded by the Young Top-notch Talent Cultivation Program of Hubei Provincethe National Natural Science Foundation of China(Nos.52071239,51521001)Fundamental Research Funds for the Central Universities(Nos.WUT:2021IVA116 and WUT:2021CG015)。
文摘A microwave absorbing sheet with a high complex permeability and a relatively low complex permittivity is obtained by molding of the densely coated flaky carbonyl iron particles(FCIPs)by styrenebutadiene-styrene block copolymer(SBS)in the assistance of coupling agent modification.Direct molding of the core-shell FCIPs without adding extra binder results in a large permeability due to the high filling ratio(55vol%)of absorbents.Importantly,the permittivity is well suppressed by the dense insulate polymer shell on the FCIPs,avoiding the severe impedance mismatch problem of the high filler content microwave absorbing materials.Investigations show that modifying the surface of FCIPs by proper amount of silane coupling agent is critical for the coating quality of the SBS shell,which is verified by resistivity and corrosion current density measurements,and can be interpreted by improved interfacial compatibility between the modified FCIPs and SBS.The obtained microwave absorbing sheet shows a minimum reflection loss of-38.74 dB at 1.57 GHz and has an effective absorption bandwidth from 1.1 to 2.3 GHz at a relatively small thickness of 2 mm.
