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Development of a UPLC-ESI-MS/MS Assay for 20(S)-Protopanaxadiol and Pharmacokinetic Application of Its Two Formulations in Rats
Pharmacokinetic Application Two Formulations Rats
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2010/9/14
An ultra-performance liquid chromatography-electrospray tandem mass spectrometry (UPLC-ESI-MS/MS) method was developed to investigate 20(S)-protopanaxadiol (PPD) pharmacokinetics in rats. Rat plasma s...
Limulus Amebocyte Lysate Assay for Endotoxins by an Adsorption Method with Polycation-immobilized Cellulose Beads
Limulus Amebocyte Lysate Assay Endotoxins Polycation-immobilized Cellulose Beads
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2010/9/17
To assay lipopolysaccharides (LPSs) in solutions containing Limulus amebocyte lysate (LAL)-inhibiting or LAL-enhancing compounds, we developed a selective endotoxin (LPS) assay using poly(ε-lysine)-i...
Microfluidic Polymer Chip with an Embedded Ion-Selective Electrode Detector for Nitrate-Ion Assay in Environmental Samples
Microfluidic Polymer Chip Ion-Selective Electrode Detector Nitrate-Ion Assay Environmental Samples
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2010/9/19
A nitrate ion-selective electrode (NO3−-ISE) has been developed based on tetradodecylammonium bromide as an anion exchanger and 2-nitrophenyl octyl ether as a plasticizer. The NO3−-ISE sh...
Sequential Injection-Immunoassay System with a Plain Glass Capillary Reactor for the Assay of Hyaluronan
Sequential Injection-Immunoassay System Plain Glass Capillary Reactor Assay of Hyaluronan
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2010/9/17
A sequential injection capillary immunoassay system (SI-CI) was developed to automate the multi-step competitive bioassay procedures for hyaluronan (HA), a potential biomarker for liver and cancer dis...
Application of Oxybutynin Selective Sensors for Monitoring the Dissolution Profile and Assay of Pharmaceutical Dosage Forms
Oxybutynin Selective Sensors Monitoring the Dissolution Profile Assay of Pharmaceutical Dosage Forms
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2010/9/20
Two ion-selective sensors of the plastic membrane type were prepared for the determination of oxybutynin hydrochloride (OxCl). They depend on the incorporation of the ion-associates with phosphotunges...
Preparation, Spectroscopy, Antimicrobial Assay, and X-Ray Structure of Dimethyl bis-(4-methylpiperidine dithiocarbamato-S,S`)-tin(IV)
Dithiocarbamate NMR, mass antimicrobial study X-ray structure
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2010/4/16
Dimethyl bis(4-methylpiperidine dithiocarbamato-S,S')-tin(IV) was synthesized and characterized by elemental analysis, IR and mass spectrometry, multinuclear NMR (1H- and 13C-NMR), and X-ray single cr...
A Sensitive Spectrophotometric Assay for Tinidazole and Metronidazole Using a Pd-C and Formic Acid Reduction System
Spectrophotometry Tinidazole Metronidazole Pharmaceutical formulations
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2010/4/20
A simple, sensitive and rapid spectrophotometric method for the determination of tinidazole (TZ) and metronidazole (MZ) in pure as well as in dosage form is described. The method is based on the reduc...