2008
DOI: 10.1016/j.jchromb.2008.03.020
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Quantitative analysis of natural cyclodextrins by high-performance liquid chromatography with pulsed amperometric detection: Application to cell permeation study

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Cited by 10 publications
(4 citation statements)
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“…Direct detection of CDs is somewhat complicated as CDs do not contain chromophores or fluorophores. Various high‐pressure liquid chromatography (HPLC) detectors such as refractive index (RI) detector, evaporative light scattering detector (ELSD), pulsed amperometric detector (PAD), and mass spectrometric detector have been applied. All these detectors have their limitations: the RI detectors have low sensitivity and are not suitable for gradient HPLC systems, ELSD detectors have also low sensitivity and, consequently, they can only be applied for high CD concentration analysis, and PADs are technically difficult to apply and require skilled operators.…”
Section: Introductionmentioning
confidence: 99%
“…Direct detection of CDs is somewhat complicated as CDs do not contain chromophores or fluorophores. Various high‐pressure liquid chromatography (HPLC) detectors such as refractive index (RI) detector, evaporative light scattering detector (ELSD), pulsed amperometric detector (PAD), and mass spectrometric detector have been applied. All these detectors have their limitations: the RI detectors have low sensitivity and are not suitable for gradient HPLC systems, ELSD detectors have also low sensitivity and, consequently, they can only be applied for high CD concentration analysis, and PADs are technically difficult to apply and require skilled operators.…”
Section: Introductionmentioning
confidence: 99%
“…Samples were taken at 10 s, 30 s, and 1, 2, 3, 4 and 5 min. The concentrations of β‐CD were measured using an HPLC method with pulsed amperometric detection, as described earlier . Briefly, the analysis was performed with the Agilent 1100 system (Agilent Technologies Inc., Germany) connected to an ESA Coulochem III detector (ESA Inc., Chelmsford, MA, USA).…”
Section: Methodsmentioning
confidence: 99%
“…The concentrations of β-CD were measured using an HPLC method with pulsed amperometric detection, as described earlier. [14] Briefly, the analysis was performed with the Agilent 1100 system (Agilent Technologies Inc., Germany) connected to an ESA Coulochem III detector (ESA Inc., Chelmsford, MA, USA). A Zorbax SB-Phenyl column (4.6 mm × 150 mm, 5 μm, Agilent Technologies, USA) was used for the separation of β-CD.…”
Section: Preparation and Characterization Of Plain Amorphous β-Cyclodmentioning
confidence: 99%
“…33,34,[45][46][47][48][49][50][51][52][53][54][55][56][57] Nestes sistemas, a principal função da detecção pulsada foi promover a limpeza eletroquímica constante e ativação da superfície do eletrodo de trabalho. A amplitude, polaridade e tempos de aplicação dos pulsos de potenciais, de detecção, limpeza e ativação podem ser variados, no sentido de se garantir a maior sensibilidade e estabilidade do sinal eletroquímico para uma diversidade de analitos.…”
Section: Limpeza E Ativação Da Superfície Do Eletrodo Através Da Mpaunclassified