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3. Narrowbore high performance liquid chromatography of berberine and palmatine in crude drugs and pharmaceuticals with ion-pair extraction using cobalt thiocyanate reagent. Lee HS, Eom YE, Eom DO. J Pharm Biomed Anal; 1999 Oct; 21(1):59-63. PubMed ID: 10701913 [Abstract] [Full Text] [Related]
5. Simultaneous two- and three-component determinations in multicomponent mixtures by extraction-spectrophotometry and thermochromism of ion-association complexes. Sakai T, Ohno N. Talanta; 1986 May; 33(5):415-9. PubMed ID: 18964114 [Abstract] [Full Text] [Related]
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7. [Determination of berberine in xianglian wan and zuojin wan using first derivative spectrometry]. Wang YZ. Zhong Yao Tong Bao; 1988 Apr; 13(4):25-7, 62. PubMed ID: 3197198 [No Abstract] [Full Text] [Related]
10. [Determination of berberine in Angong Niuhuang Wan by HPLC]. Lin SL, Zhao LH, Wang YM, Dong SS, An DK. Yao Xue Xue Bao; 1989 Jan; 24(1):48-52. PubMed ID: 2801124 [Abstract] [Full Text] [Related]
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15. [Determination of berberine and palmatine in cortex phellodendron and Chinese patent medicines by HPLC]. Wang YM, Zhao LB, Lin SL, Dong SS, An DK. Yao Xue Xue Bao; 1989 Jan; 24(4):275-9. PubMed ID: 2816389 [Abstract] [Full Text] [Related]
16. [Dual-wavelength TLC densitometric determination of alkaloids in radix Stephaniae tetrandrae]. Yang YF, Zhao SX, Dong SS, Liu C. Zhong Yao Tong Bao; 1988 Dec; 13(12):36-7, 59-60. PubMed ID: 3255530 [No Abstract] [Full Text] [Related]
17. [Quality of unguentum Coptidis compositum]. Liu XP. Zhong Yao Tong Bao; 1987 Jul; 12(7):33-5, 63. PubMed ID: 2962774 [No Abstract] [Full Text] [Related]
19. [Preparation of the berberine field effect transistor sensor]. Huang DP, Zhang LQ, Lu XY, Nan Z, Lu ZH, Song GJ. Yao Xue Xue Bao; 1987 Jul; 22(7):545-8. PubMed ID: 3450156 [No Abstract] [Full Text] [Related]