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Isolation and Purification of Five Phloroglucinol Derivatives From Agrimonia Pilosa Ledeb by Counter-Current Chromatography Using Non-Aqueous Solvent Systems

期刊: JOURNAL OF CHROMATOGRAPHIC SCIENCE, 2021; 59 (3)

Five non-polar phloroglucinol derivatives, viz. pseudo-aspidin, ot-kosin and agripinol A-C were isolated and purified from Agrimonia pilosa Ledeb by s......

Quantitative Determination of Methohexital in Human Whole Blood by Liquid Chromatography Tandem Mass Spectrometry

期刊: JOURNAL OF CHROMATOGRAPHIC SCIENCE, 2021; 59 (6)

A rapid, simple and sensitive liquid chromatography tandem mass spectrometry method for the determination of methohexital in human whole blood was dev......

L-Histidinium Chiral Ionic Liquid Functionalized beta-Cyclodextrin as Chiral Selector in Capillary Electrophoresis

期刊: JOURNAL OF CHROMATOGRAPHIC SCIENCE, 2021; 59 (4)

Nowadays, ionic liquids (ILs) functionalized cyclodextrins (CDs) have drawn increasing attention in chiral separation. Herein, a novel beta-CD derivat......

Rapid and Sensitive LC-MS/MS Method for Simultaneous Determination of Three First-Line Oral Antituberculosis Drug in Plasma

期刊: JOURNAL OF CHROMATOGRAPHIC SCIENCE, 2021; 59 (5)

A bioanalytical method for simultaneous quantification of isoniazid (INH), pyrazinamide (PZA) and ethambutol (EMB) in plasma was developed and validat......

Homochiral Metal-Organic Framework [Co(L)(bpe)(2)(H2O)(2)]center dot H2O Used for Separation of Racemates in High-Performance Liquid Chromatography

期刊: JOURNAL OF CHROMATOGRAPHIC SCIENCE, 2021; 59 (4)

A homochiral metal-organic framework (MOF) comprising [Co(L)(bpe)(2)(H2O)(2)]center dot H2O was prepared using (1R,2R)-(-)-1,2-cyclohexanedicarboxylic......

Determination of Trace Bromate in Drinking Water with High Chloride Matrix by Cyclic Ion Chromatography

期刊: JOURNAL OF CHROMATOGRAPHIC SCIENCE, 2021; 59 (3)

An ion chromatography (IC) system with switching recycling column was developed for the determination of bromate in drinking water with high chloride ......

Analysis of Choline, Carnitine, Acetylcarnitine and Acetylcholine in Animal Feeds, Blood and Urine Using Ion Chromatography Coupled with Tandem Mass Spectrometry

期刊: JOURNAL OF CHROMATOGRAPHIC SCIENCE, 2021; 59 (5)

A simple and sensitive method was proposed for choline, carnitine, acetylcarnitine (ACa) and acetylcholine (ACh) separation in feed, blood and urine o......

Simultaneous Determination of Five Organotins in Tropical Fruits Using Modified QuEChERS Combined with Ultra-high Performance Liquid Chromatography-Tandem Mass Spectrometry

期刊: JOURNAL OF CHROMATOGRAPHIC SCIENCE, 2021; 59 (3)

A sensitive, confirmatory ultra-high performance liquid chromatography-tandem mass spectrometry based on modified QuEChERS was developed and validated......

Benzoxazine Porous Organic Polymer as an Efficient Solid-Phase Extraction Adsorbent for the Enrichment of Chlorophenols from Water and Honey Samples

期刊: JOURNAL OF CHROMATOGRAPHIC SCIENCE, 2021; 59 (4)

Porous organic polymers have gained great research interest in the field of adsorption. A benzoxazine porous organic polymer (BoxPOP) constructed from......

Sensitive Analysis of Metoprolol Tartrate and Diltiazem Hydrochloride in Human Serum by Capillary Zone Electrophoresis Combining on Column Field-Amplified Sample Injection

期刊: JOURNAL OF CHROMATOGRAPHIC SCIENCE, 2021; 59 (5)

A sensitive capillary zone electrophoresis (CZE) combined with field-amplified sample injection (FASI) method was investigated to simultaneously deter......

Detection of 28 Corticosteroids in Pharmaceutical and Proprietary Chinese Medicinal Products Using Liquid Chromatography-Tandem Mass Spectrometry

期刊: JOURNAL OF CHROMATOGRAPHIC SCIENCE, 2021; 59 (6)

With their potent anti-inflammatory effects, corticosteroids are popular adulterants in illicit health products for allergies, dermatitis and pain con......

Using Spectrum-Effect Relationships Coupled with LC-TOF-MS to Screen Anti-arrhythmic Components of the Total Flavonoids in Hypericum attenuatum Extracts

期刊: JOURNAL OF CHROMATOGRAPHIC SCIENCE, 2021; 59 (3)

This research explored the HPLC fingerprints of Hypericum attenuatum Choisy, which has antiarrhythmic activity. HPLC was adopted to perform a determin......

Determination of Verapamil Hydrochloride and Norverapamil Hydrochloride in Rat Plasma by Capillary Electrophoresis With End-Column Electrochemiluminescence Detection and Their Pharmacokinetics Study

期刊: JOURNAL OF CHROMATOGRAPHIC SCIENCE, 2021; 59 (3)

In this study, we developed a new method for simultaneous determination of verapamil hydrochloride (VerHCl) and its metabolite norverapamil hydrochlor......

Fast Determination of Carbamates in Environmental Water Based on Magnetic Molecularly Imprinted Polymers as Adsorbent

期刊: JOURNAL OF CHROMATOGRAPHIC SCIENCE, 2021; 59 (6)

Magnetic molecularly imprinted polymers (MMIPs) were prepared with isoprocarb as template molecule and applied to extraction of carbamates pesticides ......

A Validated LC-MS/MS Method for the Simultaneous Determination of Ticagrelor, Its Two Metabolites and Major Constituents of Tea Polyphenols in Rat Plasma and Its Application in a Pharmacokinetic Study

期刊: JOURNAL OF CHROMATOGRAPHIC SCIENCE, 2021; 59 (6)

Ticagrelor is recommended for management of patients with acute coronary syndromes. Green tea is one of the most popular beverages in China and around......

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