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| 1 | 超高效液相色谱-飞行时间质谱快速分析人参根中的皂甙化合物显示文摘建立了超高效液相色谱-飞行时间质谱快速分析人参根部提取物中的皂甙类化合物的方法。色谱柱为HSST3超高效液相色谱柱(100 mm×2.1 mm,1.8μm);以15 mmol/L甲酸铵水溶液-乙腈为流动相,采用二元梯度洗脱的方式对人参主根的皂甙提取物进行分离。基于待测目标物的多级质谱碎片离子、精确质量等信息,结合9种人参皂甙标准化合物的多级质谱碎片离子质谱图,共鉴定出人参主根提取物中27种皂甙类化合物。在确定的条件下,以9种人参皂甙标样为研究对象,进行了全面的方法学考察,发现它们的线性范围分别为0.33~9.00 mg/L(Rg1),0.11~9.00 mg/L(Re),0.02~2.00 mg/L(Rf),0.07~6.00 mg/L(Rg2),0.04~3.00 mg/L(Rb1,Rb3),0.22~6.00 mg/L(Rc),0.04~9.00 mg/L(Rb2,Rd);在中等加标浓度时,经内标物峰面积校正的9种皂甙标准化合物的峰面积的相对标准偏差(RSD)不高于11.3%;低、中、高3个质量浓度加标水平的回收率范围分别为90%~100%、98%~104%及96%~103%;最低检出限为3.5~18.5μg/L。该方法具有高分辨、快捷、简便、可靠等特点,并成功地应用于分析同一产地、不同生长时间的人参干燥主根中皂甙的差异。可以预计此方法可进一步应用于各种人参原料和制品中皂甙的快速测定。 | 胡春秀 孔宏伟 朱超 魏恒 Thomas HANKEMEIER Jan van der GREEF 王梅 许国旺 | 2011 | 色谱2011,29,6: | 14 |
| 2 | Comparative Transcriptional Profiling and Preliminary Study on Heterosis Mechanism of Super-Hybrid Rice显示文摘杂种优势比也是从二父母表演的后代改善了的生物现象和优异性能生来的父母线。混合米饭是在利用杂种优势的庄稼的最成功的 apotheoses 之一。由基因表示(半自动地面防空系统)的连续分析 F1 超级混血儿的米饭 Liangyou-2186 和它的父母介绍的 Transcriptional 表明 1183 差别表示了基因( DG ),在哪个之中 DG 被发现显著地在象光合作用和碳固定那样的小径充实,并且大多数涉及碳固定小径的关键基因在 F1 混合米饭展出了起来调整的表示。而且,相应的酶的增加的分解代谢的活动和光合的效率也被检测,它联合了显示那碳固定可能在 F1 混血儿,和力量被提高在超级混血儿的米饭与收益活力和杂种优势被联系。由有收益相关的量的特点 loci (QTL ) 的相关 DG,在微分基因表示和 phenotypic 变化之间的一种潜在的关系也被发现。另外,当以前在 Arabidopsis 报导了,包含生理节奏节奏、轻的发信号的小径的一个规章的网络也被发现,它建议如此的一个网络可能也与在混合米饭的杂种优势是相关的。总的来说,现在的学习为理解在米饭位于杂种优势下面的分子的机制提供另一个看法。 | Gui-Sheng Song Hong-Li Zhai Yong-Gang Peng Lei Zhang Gang Wei Xiao- Ying Chen Yu-Guo Xiao Lili Wang Yue-Jun Chen Bin Wu Bin Chen Yu Zhang Hua Chen Xiu-Jing Feng Wan-Kui Gong Yao Liu Zhi-Jie Yin Feng Wang Guo-Zhen Liu Hong-Lin Xu Xiao-Li Wei Xiao-Ling Zhao Pieter B.F. Ouwerkerk Thomas Hankemeier Theo Reijmers Rob van der Heijden Cong-Ming Lu Mei Wang Jan van der Greef Zhen Zhu | 2010 | Molecular Plant2010,3,6: | 12 |
| 3 | HPLC/LTQ-FTMS用于白参中的丙二酰基人参皂苷的研究显示文摘在15mM甲酸铵作为流动相添加剂条件下,采用HPLC/LTQ-FTMS实现了白参样品中酸性人参皂苷的优化分离。根据高分辨质谱、多级质谱信息,结合保留规律验证,在白参萃取液中共检测和识别了八种丙二酰基人参皂苷,包括丙二酰基人参皂苷Rg1、Re、Rf、Rb1、Rc、Rb2、Rb3和Rd。 | 孔宏伟 王梅 Rob van der Heijden Jan van der Greef Thomas Hankemeier 许国旺 | 2009 | 世界科学技术-中医药现代化2009,11,1: | 5 |
| 4 | Traditional Chinese Medicine-Based Subtyping of Early-Stage Type 2 Diabetes Using Plasma Metabolomics Combined with Ultra-Weak Photon Emission显示文摘The prevalence of type 2 diabetes mellitus(T2DM)is increasing rapidly worldwide.Because of the limited success of generic interventions,the focus of the disease study has shifted toward personalized strategies,particularly in the early stages of the disease.Traditional Chinese medicine(TCM)is based on a systems view combined with personalized strategies and has improved our knowledge of personalized diagnostics.From a systems biology perspective,the understanding of personalized diagnostics can be improved to yield a biochemical basis for such strategies;for example,metabolomics can be used in combination with other system-based diagnostic methods such as ultra-weak photon emission(UPE).In this study,we investigated the feasibility of using plasma metabolomics obtained from 44 pre-T2DM subjects to stratify the following TCM-based subtypes:Qi-Yin deficiency,Qi-Yin deficiency with dampness,and Qi-Yin deficiency with stagnation.We studied the relationship between plasma metabolomics and UPE with respect to TCM-based subtyping in order to obtain biochemical information for further interpreting disease subtypes.Principal component analysis of plasma metabolites revealed differences among the TCM-based pre-T2DM subtypes.Relatively high levels of lipids(e.g.,cholesterol esters and triglycerides)were important discriminators of two of the three subtypes and may be associated with a higher risk of cardiovascular disease.Plasma metabolomics data indicate that the lipid profile is an essential component captured by UPE with respect to stratifying subtypes of T2DM.The results suggest that metabolic differences exist among different TCM-based subtypes of pre-T2DM,and profiling plasma metabolites can be used to discriminate among these subtypes.Plasma metabolomics thus provides biochemical insights into system-based UPE measurements. | Min He Mengmeng Sun Slavik Koval Roeland Van Wijk Thomas Hankemeier Jan Van der Greef Eduard P.A.Van Wijk Mei Wang | 2019 | Engineering2019,5,5: | 1 |
| 5 | Rapid dereplication of estrogenic compounds in pomegranate ( Punica granatum ) using on-line biochemical detection coupled to mass spectrometry显示文摘 | Danny A van Elswijk Uwe P Schobel Ephraim P Lansky Hubertus Irth Jan van der Greef | 2003 | Phytochemistry2003,,2: | 1 |
| 6 | A SYSTEMS PHARMACOLOGY VIEW OF THE BIOACTIVITY OF THE EXTRACT FROM RHIZOME DIOSCOREA NIPPONICA MANKINO显示文摘Key for worldwide acceptance of Traditional Chinese Medicine(TCM)is the ability to provide scientific evidence combined with a quality control system based on the bioactive ingredients.Modern scientific technology tools are now available to accomplish standardization of TCM products in order to achieve a high level of efficacy and safety,enhancing the introduction into the | Mei Wang Jan van der Greef | 2015 | World Journal of Traditional Chinese Medicine2015,1,4: | 0 |