It remains a big challenge to develop solid-state stimuli-responsive materials for time-dependent information encryption and inkless erasable printing with long retention times.Herein,a 2D Cu_(2)I_(2)-based MOF with p...It remains a big challenge to develop solid-state stimuli-responsive materials for time-dependent information encryption and inkless erasable printing with long retention times.Herein,a 2D Cu_(2)I_(2)-based MOF with photoresponsive spiropyran(SP)groups orderly installed on its skeleton is developed.The structural isomerization from SP to colored merocyanine(MC)form can be triggered by removing the CH_(3)CN vips.Besides,the degree of structural isomerization and the retention time can be adjusted by controlling the amount of CH_(3)CN vips,exhibiting dynamic photochromic behavior with multicolor states and tunable retention time.Based on these advantages,time-dependent information encryption is successfully achieved.Furthermore,the long retention time(>72 h)of the MC form under daylight conditions in the CH_(3)CN-removed Cu_(2)I_(2)-based MOF and good repeatability make it promising in various applications,such as temporary calendars,price-cards,billboards,and reusable identity cards.This work provides a novel design strategy to fabricate multi-functional MOF-based smart materials for challenging applications of time-dependent information encryption and inkless erasable printing.展开更多
The task of mining erasable patterns(EPs)is a data mining problem that can help factory managers come up with the best product plans for the future.This problem has been studied by many scientists in recent times,and ...The task of mining erasable patterns(EPs)is a data mining problem that can help factory managers come up with the best product plans for the future.This problem has been studied by many scientists in recent times,and many approaches for mining EPs have been proposed.Erasable closed patterns(ECPs)are an abbreviated representation of EPs and can be con-sidered condensed representations of EPs without information loss.Current methods of mining ECPs identify huge numbers of such patterns,whereas intelligent systems only need a small number.A ranking process therefore needs to be applied prior to use,which causes a reduction in efficiency.To overcome this limitation,this study presents a robust method for mining top-rank-k ECPs in which the mining and ranking phases are combined into a single step.First,we propose a virtual-threshold-based pruning strategy to improve the mining speed.Based on this strategy and dPidset structure,we then develop a fast algorithm for mining top-rank-k ECPs,which we call TRK-ECP.Finally,we carry out experiments to compare the runtime of our TRK-ECP algorithm with two algorithms modified from dVM and TEPUS(Top-rank-k Erasable Pattern mining Using the Subsume concept),which are state-of-the-art algorithms for mining top-rank-k EPs.The results for the running time confirm that TRK-ECP outperforms the other experimental approaches in terms of mining the top-rank-k ECPs.展开更多
随着微创技术在妇科领域的广泛应用,腔镜手术已成为妇科良性肿瘤治疗的重要方式之一。然而,传统护理模式在术前准备、术中管理及术后恢复方面仍存在一定局限,难以满足患者快速康复的需求。快速康复护理路径(Enhanced Recovery After Sur...随着微创技术在妇科领域的广泛应用,腔镜手术已成为妇科良性肿瘤治疗的重要方式之一。然而,传统护理模式在术前准备、术中管理及术后恢复方面仍存在一定局限,难以满足患者快速康复的需求。快速康复护理路径(Enhanced Recovery After Surgery,ERAS)以循证医学为基础,通过对手术全过程进行科学化优化,减少机体应激反应,促进术后早期活动和功能恢复。本文以妇科良性肿瘤腔镜手术患者为研究对象,从快速康复护理路径的具体措施入手,探讨其在舒缓术后疼痛、改善肠道功能、减少并发症、缩短住院时间及提升患者身心康复方面的实际效果。研究发现,该护理路径能显著提高患者术后恢复质量,促进生活自理能力和总体满意度的提升,为妇科微创手术患者护理方案的优化提供了重要参考依据。展开更多
We found the qualitative study by Xu et al.on how patients feel about laparoscopic incisions under enhanced recovery after surgery(ERAS)protocols to be very interesting.1 Xu et al.carried out a qualitative study on pa...We found the qualitative study by Xu et al.on how patients feel about laparoscopic incisions under enhanced recovery after surgery(ERAS)protocols to be very interesting.1 Xu et al.carried out a qualitative study on patient experience with laparoscopic incisions under an ERAS protocol to highlight the problem of psychosocial and aesthetic concerns,which are often overlooked when planning surgical operations.This study,which involved semistructured interviews with sixteen people,aimed to narrow perioperative education and the decision-making process for incision site selection,thus making the processes more focused on patient priorities.The study is based on a timely but under-researched subject area;however,it is possible to outline four possible areas of improvement that would allow the study to be more transparent and,at the same time,more applicable to clinical practice.展开更多
地氟醚(desflurane)自1990年初应用于临床后,凭借其独特的药代动力学特性与临床应用优势,成为现代吸入麻醉的重要组成部分。经过10多年的临床应用与实践,人们对地氟醚理化特性的认识也越来越清晰[1-2]。特别是近年来,随着加速术后康复(e...地氟醚(desflurane)自1990年初应用于临床后,凭借其独特的药代动力学特性与临床应用优势,成为现代吸入麻醉的重要组成部分。经过10多年的临床应用与实践,人们对地氟醚理化特性的认识也越来越清晰[1-2]。特别是近年来,随着加速术后康复(enhanced recovery after surgery,ERAS)理念的普及和日间手术的发展,地氟醚的临床价值愈发凸显。展开更多
基金supported by the National Natural Science Foundation of China(Nos.21825106,92061201,22105175)Postdoctoral Research Grant in Henan Province(No.202102001)。
文摘It remains a big challenge to develop solid-state stimuli-responsive materials for time-dependent information encryption and inkless erasable printing with long retention times.Herein,a 2D Cu_(2)I_(2)-based MOF with photoresponsive spiropyran(SP)groups orderly installed on its skeleton is developed.The structural isomerization from SP to colored merocyanine(MC)form can be triggered by removing the CH_(3)CN vips.Besides,the degree of structural isomerization and the retention time can be adjusted by controlling the amount of CH_(3)CN vips,exhibiting dynamic photochromic behavior with multicolor states and tunable retention time.Based on these advantages,time-dependent information encryption is successfully achieved.Furthermore,the long retention time(>72 h)of the MC form under daylight conditions in the CH_(3)CN-removed Cu_(2)I_(2)-based MOF and good repeatability make it promising in various applications,such as temporary calendars,price-cards,billboards,and reusable identity cards.This work provides a novel design strategy to fabricate multi-functional MOF-based smart materials for challenging applications of time-dependent information encryption and inkless erasable printing.
文摘The task of mining erasable patterns(EPs)is a data mining problem that can help factory managers come up with the best product plans for the future.This problem has been studied by many scientists in recent times,and many approaches for mining EPs have been proposed.Erasable closed patterns(ECPs)are an abbreviated representation of EPs and can be con-sidered condensed representations of EPs without information loss.Current methods of mining ECPs identify huge numbers of such patterns,whereas intelligent systems only need a small number.A ranking process therefore needs to be applied prior to use,which causes a reduction in efficiency.To overcome this limitation,this study presents a robust method for mining top-rank-k ECPs in which the mining and ranking phases are combined into a single step.First,we propose a virtual-threshold-based pruning strategy to improve the mining speed.Based on this strategy and dPidset structure,we then develop a fast algorithm for mining top-rank-k ECPs,which we call TRK-ECP.Finally,we carry out experiments to compare the runtime of our TRK-ECP algorithm with two algorithms modified from dVM and TEPUS(Top-rank-k Erasable Pattern mining Using the Subsume concept),which are state-of-the-art algorithms for mining top-rank-k EPs.The results for the running time confirm that TRK-ECP outperforms the other experimental approaches in terms of mining the top-rank-k ECPs.
文摘随着微创技术在妇科领域的广泛应用,腔镜手术已成为妇科良性肿瘤治疗的重要方式之一。然而,传统护理模式在术前准备、术中管理及术后恢复方面仍存在一定局限,难以满足患者快速康复的需求。快速康复护理路径(Enhanced Recovery After Surgery,ERAS)以循证医学为基础,通过对手术全过程进行科学化优化,减少机体应激反应,促进术后早期活动和功能恢复。本文以妇科良性肿瘤腔镜手术患者为研究对象,从快速康复护理路径的具体措施入手,探讨其在舒缓术后疼痛、改善肠道功能、减少并发症、缩短住院时间及提升患者身心康复方面的实际效果。研究发现,该护理路径能显著提高患者术后恢复质量,促进生活自理能力和总体满意度的提升,为妇科微创手术患者护理方案的优化提供了重要参考依据。
文摘We found the qualitative study by Xu et al.on how patients feel about laparoscopic incisions under enhanced recovery after surgery(ERAS)protocols to be very interesting.1 Xu et al.carried out a qualitative study on patient experience with laparoscopic incisions under an ERAS protocol to highlight the problem of psychosocial and aesthetic concerns,which are often overlooked when planning surgical operations.This study,which involved semistructured interviews with sixteen people,aimed to narrow perioperative education and the decision-making process for incision site selection,thus making the processes more focused on patient priorities.The study is based on a timely but under-researched subject area;however,it is possible to outline four possible areas of improvement that would allow the study to be more transparent and,at the same time,more applicable to clinical practice.
文摘地氟醚(desflurane)自1990年初应用于临床后,凭借其独特的药代动力学特性与临床应用优势,成为现代吸入麻醉的重要组成部分。经过10多年的临床应用与实践,人们对地氟醚理化特性的认识也越来越清晰[1-2]。特别是近年来,随着加速术后康复(enhanced recovery after surgery,ERAS)理念的普及和日间手术的发展,地氟醚的临床价值愈发凸显。
