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Development and evaluation of a hydrogenated rosin (β-acryloxyl ethyl) ester–bonded silica stationary phase for high-performance liquid chromatography separation of paclitaxel from yew bark
Rosin-based stationary phase Paclitaxel Retention mechanism Separation Yew-bark extract
2023/12/5
Paclitaxel (PTX) is a complex diterpenoid anticancer drug whose separation from yew biomass poses a significant challenge. In this study, a new stationary phase comprising hydrogenated rosin (β-acrylo...
Preparation of rosin-based polymer microspheres as a stationary phase in high-performance liquid chromatography to separate polycyclic aromatic hydrocarbons and alkaloids
rosin-based stationary phase alkaloids polycyclic aromatic hydrocarbons polymer microspheres
2024/3/8
Acrylpimaric acid ethylene glycol acrylate was used as the cross-linking agent to prepare rosin-based polymer microspheres through membrane emulsification-microsuspension polymerization. The prepared ...
A novel sorbent for solid-phase extraction coupling to high performance liquid chromatography for the determination of olaquindox in fish feed
HPCL molecular imprinting SPE olaquindox
2014/10/11
A new and hydrophilic molecularly imprinted polymer (MIP) selective for olaquindox was prepared by bulk polymerisation using methacrylic acid as the functional monomer and ethylene glycol dimethacryla...
Application of ultra-high performance liquid chromatography-mass spectrometry (UHPLC-MS) metabolomic fingerprinting to characterise GM and conventional maize varieties
chemometric analysis maize metabolomics
2014/2/24
The feasibility of metabolomic fingerprinting approach based on ultra-high performance liquid chromatography-quadrupole-time-of-flight mass spectrometry (UHPLC-QTOFMS) was studied to assess its abilit...
Simple Validated Method for Determination of Deoxynivalenol and Zearalenone in Some Cereals Using High Performance Liquid Chromatography
Deoxynivalenol and Zearalenone Simple Validated Method
2016/6/1
Deoxynivalenol (DON) and zearalenone (ZON) are two of the five most important naturally occurring mycotoxins in human foods and animal feeds produced by Fusarium species. The aim of the present study ...
Analysis of Dabsyl-Cl Derivated Amino Acids by High Performance Liquid Chromatography and Tandem Mass Spectrometry
amino acid dabsyl chloride analysis HPLC-MS/MS
2009/6/17
A high performance liquid chromatograph coupled with a tandem mass (MS/MS) detector was used for the analysis of 4-dimethylaminoazobenzene-4-sulfonyl chloride (dabsyl-Cl) derivated amino acids. Apart ...
Determination of Sorbitol Concentration in Diet Chocolate by High-Performance Liquid Chromatography
diet chocolate sorbitol HPLC
2009/3/20
Confectionery products are among the ever increasing group of healthy foodstuffs. In the diet chocolate mass used in this study the sucrose was replaced with sorbitol and sweetener aspartame. A new me...
A Simple and Rapid Determination of ATP, ADP and AMP Concentrations in Pericarp Tissue of Litchi Fruit by High Performance Liquid Chromatography
HPLC ATP ADP AMP
2009/3/9
A simple and rapid method using high performance liquid chromatography (HPLC) was developed to determine levels of adenosine triphosphate (ATP), adenosine diphosphate (ADP) and adenosine monophosphate...
Improved Analytical Precision of 1,4-Dihydroxy-2-naphthoic Acid by High Performance Liquid Chromatography Using Dithiothreitol as Mobile Phase Additive
1,4-dihydroxyl-2-naphtoic acid (DHNA) HPLC analysis dithiothreitol (DTT) mobile phase additive
2010/2/3
1,4-dihydroxyl-2-naphtoic acid (DHNA) is a bifidogenic growth stimulator from Propionibacterium freudenreichii. According to a method described earlier, the peak area of DHNA measured by a high-perfor...
Analysis of Major Caprine Milk Proteins by Reverse-Phase High-Performance Liquid Chromatography and Electrospray Ionization-Mass Spectrometry
caprine milk proteins mass espectrometry electrospray source
2008/4/1
Major proteins from caprine milk were separated by preparative gel permeation and cation-exchange fast protein liquid chromatography and were characterized by flow injection analysis by electrospray i...
Determination of Pantothenic Acid in Infant Milk Formulas by High Performance Liquid Chromatography
pantothenic acid infant formula high performance liquid chromatography
2008/3/25
A reverse-phase liquid chromatographic method was adapted for the assay of pantothenic acid in infant milk formulas. Sample preparation consisted of deproteination with acetic acid and sodium acetate ...
Study of Proteolysis in Artisanal Cheeses: High Performance Liquid Chromatography of Peptides
peptides cheeses proteolysis high performance liquid chromatography
2008/3/22
The peptides of the water-soluble N fractions of different varieties of artisanal cheeses from Asturias (Afuega'l Pitu, Beyos, Vidiago, Cabrales, and Peral) were analyzed by reversed-phase HPLC. Pepti...
Quaternary Ammonium Compounds in Milk: Detection by Reverse-Phase High Performance Liquid Chromatography and Their Effect on Starter Growth
quaternary ammonium sanitizers starter activity high performance liquid chromatography determination
2008/3/22
A reverse-phase HPLC method is described that permits detection of quaternary ammonium sanitizers in milk. The commercial mixture of quaternary ammonium sanitizer used, n-alkyl (50% C14, 40% C12, and ...
Determination of polyphenols in beer by an effective method based on solid-phase extraction and high performance liquid chromatography with diode-array detection
polyphenols beer HPLC SPE spectrophotometric detection
2014/3/4
The determination of polyphenols by spectrophotometric detection is complicated due to their low concentrations in beer. The beer samples have to be pre-concentrated before using the spectrophotometri...
High Performance Liquid Chromatographic Determination of Pheophorbide-a and Its Related Chlorophyll Derivatives in Tea Leaves
chlorophyll derivatives HPLC analysis tea leaves
2010/11/23
A simple method for the extraction of tea samples and conditions of HPLC analysis of pheophorbide-a (PB-a) and its related chlorophyll derivatives was developed. Tea samples were extracted with 85% ac...