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2003 4
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A sensitive and selective liquid chromatographic/electrospray ionization tandem mass spectrometric assay for the simultaneous quantification of alpha-,beta-arteether and its metabolite dihydroartemisinin in plasma, useful for pharmacokinetic studies.
Sabarinath S, Rajanikanth M, Madhusudanan KP, Gupta RC. Sabarinath S, et al. J Mass Spectrom. 2003 Jul;38(7):732-42. doi: 10.1002/jms.487. J Mass Spectrom. 2003. PMID: 12898653
The analytes were chromatographed on a C(18) reversed-phase chromatographic column by isocratic elution with methanol-ammonium acetate buffer (pH 4) (92 : 8, v/v) and analysed by mass spectrometry in the multiple reaction monitoring mode. ...
The analytes were chromatographed on a C(18) reversed-phase chromatographic column by isocratic elution with methanol-ammonium acetate buffe …
An HPLC-MS method for simultaneous estimation of alpha,beta-arteether and its metabolite dihydroartemisinin, in rat plasma for application to pharmacokinetic study.
Rajanikanth M, Madhusudanan KP, Gupta RC. Rajanikanth M, et al. Biomed Chromatogr. 2003 Oct;17(7):440-6. doi: 10.1002/bmc.261. Biomed Chromatogr. 2003. PMID: 14598327
Chromatographic separations were achieved by gradient elution of the analytes with an initial composition of methanol-potassium acetate buffer (pH 4; 73:27, v/v) to 100% methanol in 3 min and maintained for 5 min on a Spheri-10, RP(18) (100 x 4.6 mm i.d.) column fol …
Chromatographic separations were achieved by gradient elution of the analytes with an initial composition of methanol-potassium acetate buff …
Liquid chromatography-tandem mass spectrometric assay with a novel method of quantitation for the simultaneous determination of bulaquine and its metabolite, primaquine, in monkey plasma.
Nitin M, Rajanikanth M, Lal J, Madhusudanan KP, Gupta RC. Nitin M, et al. J Chromatogr B Analyt Technol Biomed Life Sci. 2003 Aug 15;793(2):253-63. doi: 10.1016/s1570-0232(03)00322-2. J Chromatogr B Analyt Technol Biomed Life Sci. 2003. PMID: 12906899
The mobile phase consisted of acetonitrile/ammonium acetate buffer (20 mM, pH 6) (50:50 v/v) at a flow-rate of 1 ml/min. The chromatographic separations were achieved on two spheri cyano columns (5 microm, 30 x 4.6 mm I.D.) connected in series. ...A simple liquid-li …
The mobile phase consisted of acetonitrile/ammonium acetate buffer (20 mM, pH 6) (50:50 v/v) at a flow-rate of 1 ml/min. The c …
In Vitro and In Vivo pharmacokinetic studies of bulaquine (analogue of primaquine), a novel antirelapse antimalarial, in rat, rabbit and monkey--highlighting species similarities and differences.
Mehrotra N, Lal J, Puri SK, Madhusudanan KP, Gupta RC. Mehrotra N, et al. Biopharm Drug Dispos. 2007 Jul;28(5):209-27. doi: 10.1002/bdd.547. Biopharm Drug Dispos. 2007. PMID: 17410524
The elimination half-life in rats and rabbits was comparable after both oral and i.v. administration ( approximately 1.2 h). In all three species, PQ was resident in the body for a period longer than BQ. ...
The elimination half-life in rats and rabbits was comparable after both oral and i.v. administration ( approximately 1.2 h). In all t …
Liquid chromatographic-mass spectrometric method for the determination of alpha-,beta-arteether in rat serum.
Rajanikanth M, Madhusudanan KP, Gupta RC. Rajanikanth M, et al. J Chromatogr B Analyt Technol Biomed Life Sci. 2003 Jan 15;783(2):391-9. doi: 10.1016/s1570-0232(02)00701-8. J Chromatogr B Analyt Technol Biomed Life Sci. 2003. PMID: 12482482
ESI-MS analysis was carried out using a Micromass Quattro II Triple Quadrupole Mass Spectrometer equipped with an electrospray source. The MS analysis was carried out at a cone voltage of 52 V with a scan range of 100-400 Da. The analytes were quantified from the [M+Na](+) …
ESI-MS analysis was carried out using a Micromass Quattro II Triple Quadrupole Mass Spectrometer equipped with an electrospray source. The M …