红参为珍贵的药材,已有1000多年的历史,遍及中国、韩国、日本等亚洲国家。韩国红参(korean red ginseng,KRG)不仅是滋补品,也是用于治疗免疫疾病、肝病、癌症等疾病的传统药材。KRG含有多种人参皂苷、糖类、微量元素等成分,具有较高的...红参为珍贵的药材,已有1000多年的历史,遍及中国、韩国、日本等亚洲国家。韩国红参(korean red ginseng,KRG)不仅是滋补品,也是用于治疗免疫疾病、肝病、癌症等疾病的传统药材。KRG含有多种人参皂苷、糖类、微量元素等成分,具有较高的药用价值,韩国各机构对其进行了较深入的研究,近5年在美国《科学引文索引》上发表文章数百篇。目前实验研究主要集中在红参有效成分的筛选及其药理作用,临床研究以单方制剂为主。笔者通过查阅KRG相关文献,从增强免疫、抗疲劳、抗衰老、抗氧化、调节糖脂代谢、抗炎、抗肿瘤以及在多个系统疾病中的运用等多方面对其药理作用进行了概述,为KRG的进一步研究与临床应用提供依据。展开更多
The external electric field is a special strategy for generating novel structures.In this work,the intermolecular bonding and nonlinear optical properties are affected by applying an applied electric field of 0 to 9.7...The external electric field is a special strategy for generating novel structures.In this work,the intermolecular bonding and nonlinear optical properties are affected by applying an applied electric field of 0 to 9.77 V·nm^(-1)along the bonding direction of dimer of olympicenyl radical(OLY2).The results showed that the distance between molecular layers was lengthened gradually,and the 2e/20c bonds were weakened or even completely broken(the critical electric field is 9.77 V·nm^(-1))with the increase of the external electric field strength.Moreover,the introduction of an external electric field caused significant changes in the electronic properties of the OLY2,which induced charge transfer between inter-layer monomers,and enhanced the interlayer electrostatic interactions.Therefore,the external electric field not only regulates the interlayer interactions of molecules,but also causes the symmetric molecules to produce strong polarity,producing a large NLO response in OLY2.展开更多
文摘红参为珍贵的药材,已有1000多年的历史,遍及中国、韩国、日本等亚洲国家。韩国红参(korean red ginseng,KRG)不仅是滋补品,也是用于治疗免疫疾病、肝病、癌症等疾病的传统药材。KRG含有多种人参皂苷、糖类、微量元素等成分,具有较高的药用价值,韩国各机构对其进行了较深入的研究,近5年在美国《科学引文索引》上发表文章数百篇。目前实验研究主要集中在红参有效成分的筛选及其药理作用,临床研究以单方制剂为主。笔者通过查阅KRG相关文献,从增强免疫、抗疲劳、抗衰老、抗氧化、调节糖脂代谢、抗炎、抗肿瘤以及在多个系统疾病中的运用等多方面对其药理作用进行了概述,为KRG的进一步研究与临床应用提供依据。
基金Foundation of Science and Technology Department of Jilin Province(20230101043JC).
文摘The external electric field is a special strategy for generating novel structures.In this work,the intermolecular bonding and nonlinear optical properties are affected by applying an applied electric field of 0 to 9.77 V·nm^(-1)along the bonding direction of dimer of olympicenyl radical(OLY2).The results showed that the distance between molecular layers was lengthened gradually,and the 2e/20c bonds were weakened or even completely broken(the critical electric field is 9.77 V·nm^(-1))with the increase of the external electric field strength.Moreover,the introduction of an external electric field caused significant changes in the electronic properties of the OLY2,which induced charge transfer between inter-layer monomers,and enhanced the interlayer electrostatic interactions.Therefore,the external electric field not only regulates the interlayer interactions of molecules,but also causes the symmetric molecules to produce strong polarity,producing a large NLO response in OLY2.
