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基于紫外与近红外光谱技术的青风藤渗漉和萃取过程在线监测和终点判断方法研究 被引量:2
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作者 王玺 铁德福 +3 位作者 钱嘉禾 叶成 周俊杰 李文龙 《中华中医药杂志》 CAS CSCD 北大核心 2024年第5期2438-2443,共6页
目的:利用紫外光谱(UVS)与近红外光谱(NIRS)对青风藤的渗漉和萃取过程进行在线监测和终点判断。方法:采集渗漉过程中渗漉液的UV光谱,使用偏最小二乘回归法(PLSR)建立与盐酸青藤碱(SH)含量的定量校正模型,采用因子数、估计均方根误差(RMS... 目的:利用紫外光谱(UVS)与近红外光谱(NIRS)对青风藤的渗漉和萃取过程进行在线监测和终点判断。方法:采集渗漉过程中渗漉液的UV光谱,使用偏最小二乘回归法(PLSR)建立与盐酸青藤碱(SH)含量的定量校正模型,采用因子数、估计均方根误差(RMSEE)、决定系数R^(2)及Q^(2)、交叉验证均方根误差(RMSECV)和预测均方根误差(RMSEP)评价模型的拟合能力及预测能力;萃取过程同样使用PLSR建立UVS与NIRS的定量校正模型,同样采用因子数、RMSEE、R^(2)、Q^(2)、RMSECV及RMSEP作为评价模型的拟合能力及对未知样品的预测能力指标。结果:无预处理与经过一阶导数预处理的渗漉过程UVS模型R^(2)、Q^(2)、RMSEE、RMSECV和RMSEP均较为接近,有较强的拟合能力和预测能力;通过单独建模后,萃取过程的NIRS和UVS模型的SH浓度预测性能较好,UVS单独建立的水相模型RMSECV较小(0.21),NIRS单独建立的氯仿相模型RMSECV较小(2.68)。结论:利用UVS与NIRS技术,建立青风藤渗漉过程与萃取过程的SH浓度模型拟合预测性能和稳健性良好,有望实现渗漉过程和萃取过程的可视化。 展开更多
关键词 紫外光谱 近红外光谱 青风藤 盐酸青藤碱 在线监测 终点判断
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Mechanism underlying Fanmugua(Fructus Caricae)leaf multicomponent synergistic therapy for anemia:data mining based on hematopoietic network
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作者 JIA Lihong tie defu +4 位作者 FAN Zhaohui CHEN Dan CHEN Qizhu CHEN Jun BO Huaben 《Journal of Traditional Chinese Medicine》 SCIE CSCD 2023年第3期542-551,共10页
OBJECTIVE:To investigate the underlying mechanism of Fanmugua(Fructus Caricae) Leaf(CPL) multicomponent synergistic therapy for anemia.METHODS:The components were identified in the literature.Six databases were search... OBJECTIVE:To investigate the underlying mechanism of Fanmugua(Fructus Caricae) Leaf(CPL) multicomponent synergistic therapy for anemia.METHODS:The components were identified in the literature.Six databases were searched for targets of CPL.Enrichment analysis was used to determine the targets associated with anemia and in bone marrow.Based on the Kyoto Encyclopedia of Genes and Genomes database,pathways and targets related to hematopoiesis were obtained.The key targets were obtained by protein-protein interaction analysis.Molecular docking was used to analyze the binding ability of key targets and active components.Bone marrow cells were used as an experimental model to verify the drug efficacy.RESULTS:A total of 139 components and 1868 targets of CPL were retrieved from the literature.By disease enrichment analysis,543 targets for hemorrhagic anemia,223 targets for aplastic anemia,and 126 targets for sickle cell anemia were obtained.Target organ enrichment yielded 27,29,and 20 targets of bone marrow.Based on KEGG pathway enrichment,a total of 47 shared hematopoietic pathways and 42 related targets were found.The key targets were vascular endothelial growth factor A(VEGFA),interleukin 10(IL-10),plateletendothelial cell adhesion molecule-1(PECAM1),C-C motif chemokine 2(CCL2),and vascular cell adhesion molecule 1(VCAM1).The CPL active components included ursolic acid,quercetin,and hesperidin.The expression of VEGFA was significantly increased after CPL treatment.Quercetin and ursolic acid acted on VEGFA.Quercetin and Hesperidin acted on VCAM1.Quercetin acted on IL-10,CCL2,VCAM1,and VEGFA.Cell experiments revealed that CPL could promote the proliferation and migration of bone marrow cells.CONCLUSIONS:CPL has the synergistic efficacy of treating anemia through multiple components,targets,and pathways. 展开更多
关键词 ANEMIA data mining network pharmacology molecular docking simulation Carica papaya(Fructus Caricae)Leaf synergistic effect
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