目的:探讨CT血管造影(CT angiography,CTA)在血管化髂骨肌瓣临床设计中的应用价值。方法:选取2014年8月~2015年9月,收治的12例拟行血管化髂骨肌瓣修复手术的患者。术前行CT血管造影,利用影像工作站(Philips Medical Systems),观察并测...目的:探讨CT血管造影(CT angiography,CTA)在血管化髂骨肌瓣临床设计中的应用价值。方法:选取2014年8月~2015年9月,收治的12例拟行血管化髂骨肌瓣修复手术的患者。术前行CT血管造影,利用影像工作站(Philips Medical Systems),观察并测量旋髂深动脉(deep circumflex iliac artery,DCI)起始管径、起始点与双侧髂前上棘连线的成角以及起始点至髂前上棘的距离。依据成角的角度及距离行旋髂深动脉起始点体表定位,并模拟血管化髂骨肌瓣切取。结果:旋髂深动脉起始管径(2.8±0.61)mm,旋髂深动脉起始点与双侧髂前上棘连线的成角(55±1.7)°,旋髂深动脉起始点距髂前上棘的距离为(65.1±1.24)mm。依据重建影像可以成功模拟血管化髂骨肌瓣的切取。结论:CT血管造影可以准确显示旋髂深动脉的解剖位置,能够指导血管化髂骨肌瓣的制备。展开更多
New synthesis of multi-layer 3 D chiral molecules has been developed under novel conditions to give better outcomes.The aggregation-induced emission(AIE),UV irradiation/excitation,charge transfer(CT)and local excited(...New synthesis of multi-layer 3 D chiral molecules has been developed under novel conditions to give better outcomes.The aggregation-induced emission(AIE),UV irradiation/excitation,charge transfer(CT)and local excited(LE)ππ*transitions have been investigated on a representative individual enantiomer of pseudo C_2 asymmetry which was made possibly by differentiating moieties on phosphorous on N-phosphonyl ring of chiral sandwich framework.Meanwhile,a new tandem C–N/C–C coupling reaction was unexpectedly rendered providing a novel access to special benzo[a]carbazoles.展开更多
基金supported by the National Natural Science Foundation of China(91956110,21672100)Robert A.Welch Foundation(D-1361,USA)+1 种基金financial support from Beijing National Laboratory for Molecular Sciences(BNLMS201910)support from the School of Pharmaceutical Science and Technology(SPST),Tianjin University,Tianjin,China。
文摘New synthesis of multi-layer 3 D chiral molecules has been developed under novel conditions to give better outcomes.The aggregation-induced emission(AIE),UV irradiation/excitation,charge transfer(CT)and local excited(LE)ππ*transitions have been investigated on a representative individual enantiomer of pseudo C_2 asymmetry which was made possibly by differentiating moieties on phosphorous on N-phosphonyl ring of chiral sandwich framework.Meanwhile,a new tandem C–N/C–C coupling reaction was unexpectedly rendered providing a novel access to special benzo[a]carbazoles.
