Current trends and roles of surfactants for chromatographic and electrochemical sensing

Ünal, Didem Nur; Yıldırım, Sercan; Kurbanoğlu, Sevinç; Uslu, Bengi

doi:10.1016/j.trac.2021.116418

Cited by 44 publications

(12 citation statements)

References 202 publications

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“…These alcohols act by reducing the ability of the monomers to form micelles; thus, the ability of the analyte to bind the micelles is decreased. This effect is more pronounced when long-chain alcohols are used [62,66]. This finding was also confirmed during the determination of two ternary mixtures (phenylephrine hydrochloride, ibuprofen, and chlorpheniramine maleate as mixture 1 and pseudoephedrine hydrochloride, ibuprofen, and chlorpheniramine maleate as mixture 2) utilized for cold treatment [74].…”

Section: Surfactants As a Mobile Phasesupporting

confidence: 58%

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Green Strategies toward Eco-Friendly HPLC Methods in Pharma Analysis

Nakov¹,

Acevska²,

Brezovska³

et al. 2023

High Performance Liquid Chromatography - Recent Advances and Applications

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The global need for changing the processes in order to meet the green analytical chemistry (GAC) criteria is a great challenge for the pharmaceutical industry. High-performance liquid chromatography (HPLC), as one of the most frequently used techniques in various stages in the pharmaceutical industry, generates huge amounts of organic toxic waste. Therefore, the implementation of the GAC principles in pharma analysis is highly required. Although the number of published papers concerning green chromatography approaches is constantly increasing, the use of eco-friendly HPLC methods in the pharma industry has not been widely implemented. The reasons for this mainly include the need for adaptation of the conventional HPLC instruments, lack of time, lack of experience, or uncertainty of the analysts regarding fulfillment of the method criteria. In this chapter, an overview of green strategies that can be easily applied to conventional instruments for liquid chromatography (LC) in developing eco-friendly HPLC methods in pharma analysis is given. The aim is to emphasize that the green method development in pharma analysis can be easily accomplished and to encourage the analytical community in the pharmaceutical industry not only to develop but also to transfer the already established conventional HPLC methods into green ones.

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Section: Surfactants As a Mobile Phasesupporting

confidence: 58%

“…Surfactants have diverse applications in different fields of analytical chemistry [62]. Further text includes a brief overview of the application of surfactants as green eluents in the mobile phase.…”

Section: Surfactants As a Mobile Phasementioning

confidence: 99%

Green Strategies toward Eco-Friendly HPLC Methods in Pharma Analysis

Nakov¹,

Acevska²,

Brezovska³

et al. 2023

High Performance Liquid Chromatography - Recent Advances and Applications

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“…Although a broad number of surfactants have been used for several analytical techniques [67], SDS, sodium di‐(2‐ethylhexyl)‐sulfosuccinate (AOT), Brij 35, polyethylene glycol, PEG, and a few alcohols are typically used in MEKC or MEEKC (see Table 3). Additional examples are listed in Table 5 and Table 6.…”

Section: Methods Development For Optimal Separationsmentioning

confidence: 99%

Strategies for capillary electrophoresis: Method development and validation for pharmaceutical and biological applications—Updated and completely revised edition

et al. 2023

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This review is in support of the development of selective, precise, fast, and validated capillary electrophoresis (CE) methods. It follows up a similar article from 1998, Wätzig H, Degenhardt M, Kunkel A. “Strategies for capillary electrophoresis: method development and validation for pharmaceutical and biological applications,” pointing out which fundamentals are still valid and at the same time showing the enormous achievements in the last 25 years. The structures of both reviews are widely similar, in order to facilitate their simultaneous use. Focusing on pharmaceutical and biological applications, the successful use of CE is now demonstrated by more than 600 carefully selected references. Many of those are recent reviews; therefore, a significant overview about the field is provided. There are extra sections about sample pretreatment related to CE and microchip CE, and a completely revised section about method development for protein analytes and biomolecules in general. The general strategies for method development are summed up with regard to selectivity, efficiency, precision, analysis time, limit of detection, sample pretreatment requirements, and validation.

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“…In electrochemistry, aside from the main function of surfactants in enhancing solubility (forming micelles), the decrease in liquid surface tension between two immiscible solutions, adsorption of surfactants on electrodes, and micelle aggregates can significantly change the redox potential, amplify the oxidation peak potential, and enhance the electron transfer kinetics process, selectivity, and sensitivity of the electrochemical analysis. [31][32][33] Numerous studies have been conducted using electroanalytical techniques with boron-doped diamond (BDD) electrodes for the purpose of testing an analyte with its opposite charged surfactant. This aided in the adsorption of the analyte to the surface of the electrode.…”

Section: Introductionmentioning

confidence: 99%

Voltammetric determination of anti-malarial drug amodiaquine at a boron-doped diamond electrode surface in an anionic surfactant media

Kamal

Yardım

2022

Maced. J. Chem. Chem. Eng.

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In this study, the electrochemical determination of the amodiaquine (ADQ) drug was evaluated using an electrochemically pretreated boron-doped diamond (BDD) electrode due to the enhanced surface activity. The cyclic voltammogram results of ADQ were given as single reversible and diffusion-controlled peaks at +0.48 V for the oxidation peak and +0.05 V for the reduction peak (vs. Ag/AgCl) in Britton-Robinson (BR) buffer at pH 8.0. The peak potential and current signals of ADQ were evaluated at the surface of the BDD electrode using instrumental parameters to develop a simple method for ADQ detection. Also, the effect of an anionic surfactant, sodium dodecyl sulfate (SDS), on the adsorption applicability of the BDD electrode significantly increased the stripping voltammetric determination of ADQ. Under the optimal conditions chosen and employing square-wave adsorptive stripping voltammetry at the BDD electrode, ADQ was determined at + 0.34 V (vs. Ag/AgCl) at the open-circuit condition in BR buffer at pH 8.0 in the presence of 2·10–4 mol l–1 SDS. Furthermore, analytical parameters showed the linear relationship for ADQ determination in the concentration range of 0.1–20.0 μg ml–1 (2.2·10–7 – 4.3·10–5 mol l–1), with a detection limit of 0.03 μg ml–1 (6.5·10–8 mol l–1). The proposed approach can be applied to determine ADQ in water samples.

show abstract

Current trends and roles of surfactants for chromatographic and electrochemical sensing

Cited by 44 publications

References 202 publications

Green Strategies toward Eco-Friendly HPLC Methods in Pharma Analysis

Green Strategies toward Eco-Friendly HPLC Methods in Pharma Analysis

Strategies for capillary electrophoresis: Method development and validation for pharmaceutical and biological applications—Updated and completely revised edition

Voltammetric determination of anti-malarial drug amodiaquine at a boron-doped diamond electrode surface in an anionic surfactant media

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