目的研究栝楼桂枝汤血中移行成分。方法采用HPLC-DAD全波长扫描法,色谱柱:Diamonsial C18(460×250 mm,5μm);流动相:乙腈-0.1%甲酸水梯度洗脱;流速:0.8 m L/min;柱温:30℃;进样量:10μL。结果采用相对保留时间和DAD全波长扫描图相...目的研究栝楼桂枝汤血中移行成分。方法采用HPLC-DAD全波长扫描法,色谱柱:Diamonsial C18(460×250 mm,5μm);流动相:乙腈-0.1%甲酸水梯度洗脱;流速:0.8 m L/min;柱温:30℃;进样量:10μL。结果采用相对保留时间和DAD全波长扫描图相结合,推测大鼠灌胃给药栝楼桂枝汤后含药血清中有22个入血移行成分,并经标品比对鉴定其中16个化合物:没食子酸、氧化芍药苷、芍药苷亚硫酸酯、芍药内酯苷、芍药苷、芹糖甘草苷、甘草苷、五没食子酰葡萄糖、芹糖异甘草苷、异甘草苷、芒柄花苷、甘草素、肉桂酸、苯甲酰芍药苷、异甘草素、甘草酸。结论本研究基于DAD全波长扫描法分析复方血中移行成分,为揭示栝楼桂枝汤在体内抗脑卒中后肢体痉挛与神经保护药效物质提供一定实验依据。展开更多
A new approach to extract phase feature of 3-D objects based on wavelength-scanning digital holography and numerical reconstruction technique is proposed in this paper.A number of holograms are recorded on a digital c...A new approach to extract phase feature of 3-D objects based on wavelength-scanning digital holography and numerical reconstruction technique is proposed in this paper.A number of holograms are recorded on a digital camera and reconstructed numerically by a computer with different wavelengths spaced at regular intervals.The theoretical analysis and computer simulations demonstrate that those pixels with the same phase of a 3-D object can focus on the same reconstruction plane.And those pixels with different phase of a 3-D object focus on the different reconstruction planes.Therefore the phase information of a 3-D object can be described by a series of reconstructed images on different planes.展开更多
文摘目的研究栝楼桂枝汤血中移行成分。方法采用HPLC-DAD全波长扫描法,色谱柱:Diamonsial C18(460×250 mm,5μm);流动相:乙腈-0.1%甲酸水梯度洗脱;流速:0.8 m L/min;柱温:30℃;进样量:10μL。结果采用相对保留时间和DAD全波长扫描图相结合,推测大鼠灌胃给药栝楼桂枝汤后含药血清中有22个入血移行成分,并经标品比对鉴定其中16个化合物:没食子酸、氧化芍药苷、芍药苷亚硫酸酯、芍药内酯苷、芍药苷、芹糖甘草苷、甘草苷、五没食子酰葡萄糖、芹糖异甘草苷、异甘草苷、芒柄花苷、甘草素、肉桂酸、苯甲酰芍药苷、异甘草素、甘草酸。结论本研究基于DAD全波长扫描法分析复方血中移行成分,为揭示栝楼桂枝汤在体内抗脑卒中后肢体痉挛与神经保护药效物质提供一定实验依据。
文摘A new approach to extract phase feature of 3-D objects based on wavelength-scanning digital holography and numerical reconstruction technique is proposed in this paper.A number of holograms are recorded on a digital camera and reconstructed numerically by a computer with different wavelengths spaced at regular intervals.The theoretical analysis and computer simulations demonstrate that those pixels with the same phase of a 3-D object can focus on the same reconstruction plane.And those pixels with different phase of a 3-D object focus on the different reconstruction planes.Therefore the phase information of a 3-D object can be described by a series of reconstructed images on different planes.
