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Page 1
Determination of six bioactive components of Saussurea katochaete by capillary electrophoresis.
Yue ME, Li Y, Shi YP. Yue ME, et al. Biomed Chromatogr. 2007 Apr;21(4):376-81. doi: 10.1002/bmc.765. Biomed Chromatogr. 2007. PMID: 17236245
The six active components were completely separated within 10 min in 20 mM Na(2)HPO(4) buffer at pH 11.00 with 10% (v/v) methanol and detected at 214 nm. The applied voltage was 15 kV and the temperature was kept at 25 degrees C. The effects of buffer pH, the concentration …
The six active components were completely separated within 10 min in 20 mM Na(2)HPO(4) buffer at pH 11.00 with 10% (v/v) methanol and detect …
Simultaneous determination of seven active components of Fufang Danshen tablet by high performance liquid chromatography.
Wei YJ, Li SL, Li P. Wei YJ, et al. Biomed Chromatogr. 2007 Jan;21(1):1-9. doi: 10.1002/bmc.700. Biomed Chromatogr. 2007. PMID: 17120299
The mobile phase was composed of (A) aqueous phosphoric acid (0.1%, v/v) and (B) acetonitrile using a gradient elution of 7-17% B at 0-10 min, 17-20% B at 10-12 min, 20-21% B at 12-16 min, 21% B at 16-32 min, 21-29% B at 32-40 min, 29-35% B at 40-55 min, 35-6 …
The mobile phase was composed of (A) aqueous phosphoric acid (0.1%, v/v) and (B) acetonitrile using a gradient elution of 7-17% B at 0-10 mi …
Determination of hydroxysafflor yellow A in rat plasma and tissues by high-performance liquid chromatography after oral administration of safflower extract or safflor yellow.
Li Y, Zhang ZY, Zhang JL. Li Y, et al. Biomed Chromatogr. 2007 Mar;21(3):326-34. doi: 10.1002/bmc.769. Biomed Chromatogr. 2007. PMID: 17221936
The intra-day and inter-day precision were all less than 12.5%, and the extract recovery was in the range 64.1-103.7% with RSD less than 15.6% for HSYA in all matrices. The method was used successfully to quantify HSYA in rat plasma and tissue samples to support a pharmaco …
The intra-day and inter-day precision were all less than 12.5%, and the extract recovery was in the range 64.1-103.7% with RSD less than …
Simultaneous determination and pharmacokinetic study of oxymatrine and matrine in beagle dog plasma after oral administration of Kushen formula granule, oxymatrine and matrine by LC-MS/MS.
Wang Y, Ma Y, Li X, Qin F, Lu X, Li F. Wang Y, et al. Biomed Chromatogr. 2007 Aug;21(8):876-82. doi: 10.1002/bmc.834. Biomed Chromatogr. 2007. PMID: 17431934
Linear calibration curves were both obtained over the concentration range 15-2000 ng/mL, with a limit of quantification of 15 ng/mL. The matrix effect was minimized. ...
Linear calibration curves were both obtained over the concentration range 15-2000 ng/mL, with a limit of quantification of 15 …
Simultaneous quantification of oxysophocarpine and its active metabolite sophocarpine in rat plasma by liquid chromatography/mass spectrometry for a pharmacokinetic study.
Wang SJ, Yang M, Li XT, Wang GJ. Wang SJ, et al. Biomed Chromatogr. 2007 Jul;21(7):768-74. doi: 10.1002/bmc.820. Biomed Chromatogr. 2007. PMID: 17428011
The separation was performed on a Zorbax Extend-C(18) column (2.1 mm i.d. x 50 mm, 5 microm) with a C(18) guard column using methanol-water containing 5 mm ammonium acetate (15:85, v/v) as mobile phase. Analysis was performed in selected ion monitoring (SIM) mode with an e …
The separation was performed on a Zorbax Extend-C(18) column (2.1 mm i.d. x 50 mm, 5 microm) with a C(18) guard column using methanol-water …
Determination of oleanolic acid, ursolic acid and amygdalin in the flower of Eriobotrya japonica Lindl. by HPLC.
Zhou C, Chen K, Sun C, Chen Q, Zhang W, Li X. Zhou C, et al. Biomed Chromatogr. 2007 Jul;21(7):755-61. doi: 10.1002/bmc.817. Biomed Chromatogr. 2007. PMID: 17385800
Application of these methods to determine the OA, UA and amygdalin contents in loquat flower showed that cultivar had a minor effect on the contents of all three compounds, with average amounts of 0.38-0.51 mg OA/g dry weight (DW), 2.15-2.68 mg UA/g DW and 1.23-1.56 mg amy …
Application of these methods to determine the OA, UA and amygdalin contents in loquat flower showed that cultivar had a minor effect on the …
Simultaneous determination of midazolam and 1'-hydroxymidazolam in human plasma by liquid chromatography with tandem mass spectrometry.
Li W, Luo S, Smith HT, Tse FL. Li W, et al. Biomed Chromatogr. 2007 Aug;21(8):841-51. doi: 10.1002/bmc.829. Biomed Chromatogr. 2007. PMID: 17441219
The intra-day and inter-day precision (RSD %) and accuracy (bias %) of the quality control samples were <15.0% and within +/-13%, respectively. The current method has been applied to a clinical drug-drug interaction study in human....
The intra-day and inter-day precision (RSD %) and accuracy (bias %) of the quality control samples were <15.0% and within +/-13%, …