Carbon nanotube reinforced hollow fiber solid/liquid phase microextraction: A novel extraction technique for the measurement of caffeic acid in Echinacea purpurea herbal extracts combined with high-performance liquid chromatography

Journal of Chromatography A

Volumn 1217, Issue 17, 2010, Pages 2768-2775

  Es'haghi, Zarrin ^a   Golsefidi, Mazyar Ahmadi ^a,b   Saify, Ali ^a   Tanha, Ali Akbar ^a   Rezaeifar, Zohre ^a   Alian Nezhadi, Zahra ^a  

^a PAYAME NOOR UNIVERSITY   (Iran)

^b ISLAMIC AZAD UNIVERSITY   (Iran)

Author keywords

Caffeic acid; Echinacea purpurea; Hollow fiber; HPLC; Multi walled carbon nanotube; Solid liquid phase microextraction

Indexed keywords

CARBON NANOTUBES; CONTAMINATION; FIBERS; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; LIQUID CHROMATOGRAPHY; LIQUID MEMBRANES; LIQUIDS; MEMBRANES; MULTIWALLED CARBON NANOTUBES (MWCN); NANOTUBES; ORGANIC SOLVENTS; PHASE INTERFACES; PLANT EXTRACTS; POLYPROPYLENES; PORE SIZE; YARN;

CAFFEIC ACIDS; ECHINACEA PURPUREA; HOLLOW FIBER; HPLC; MICROEXTRACTION;

EXTRACTION;

CAFFEIC ACID; CARBON NANOTUBE; ECHINACEA PURPUREA EXTRACT; MULTI WALLED NANOTUBE; CAFFEIC ACID DERIVATIVE; PLANT EXTRACT;

ADSORPTION; ANALYTIC METHOD; ARTICLE; CONTROLLED STUDY; ECHINACEA PURPUREA; ENTHALPY; EQUILIBRIUM CONSTANT; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; HYDROGEN BOND; HYDROPHILICITY; HYDROPHOBICITY; IONIZATION; ISOTHERM; LIQUID MEMBRANE; LIQUID PHASE MICROEXTRACTION; NONHUMAN; PH; PRIORITY JOURNAL; PROCESS OPTIMIZATION; SOLID PHASE MICROEXTRACTION; CHEMISTRY; ECHINACEA; EVALUATION; INSTRUMENTATION; METABOLISM; METHODOLOGY;

ECHINACEA PURPUREA;

CAFFEIC ACIDS; CHROMATOGRAPHY, HIGH PRESSURE LIQUID; ECHINACEA; NANOTUBES, CARBON; PLANT EXTRACTS; SOLID PHASE MICROEXTRACTION;

EID: 77953719492     PISSN: 00219673     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.chroma.2010.02.054     Document Type: Article

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