Simultaneous determination of ethionamide and pyrazinamide using poly (l-cysteine) film-modified glassy carbon electrode

BRL Ferraz, FRF Leite, AR Malagutti - Talanta, 2016 - Elsevier
A selective, simple and rapid square wave voltammetry method, based on
electropolymerization of l-cysteine (poly (l-Cys)) on a glassy carbon electrode (GCE), was …

A fluorescence detection of d-penicillamine based on Cu2+-induced fluorescence quenching system of protein-stabilized gold nanoclusters

P Wang, BL Li, NB Li, HQ Luo - Spectrochimica Acta Part A: Molecular and …, 2015 - Elsevier
In this contribution, a luminescent gold nanoclusters which were synthesized by bovine
serum albumin as novel fluorescent probes were successfully utilized for the determination …

Inhibitory kinetic spectrophotometric method for the quantitative estimation of D-penicillamine at micro levels

A Agarwal, S Prasad, RM Naik - Microchemical Journal, 2016 - Elsevier
Biologically active thiol, d-penicillamine (d-PA), based on the hard soft acid base (HSAB)
principle, binds strongly with Hg (II) ions leading to the inhibition of the rate of Hg (II) …

Development of highly sensitive and selective sensor for ethionamide guided by molecular modelling via electropolymerized molecularly imprinted films

A Kushwaha, N Gupta, J Srivastava, AK Singh… - Microchemical …, 2020 - Elsevier
Here, a selective sensing technology for the drug ethionamide used to treat multi-drug
resistant tuberculosis is developed based on molecular imprinting. The molecular imprinting …

Determination of penicillamine, tiopronin and glutathione in pharmaceutical formulations by kinetic spectrophotometry

L Kukoc-Modun, M Biocic, N Radić - Acta pharmaceutica, 2021 - hrcak.srce.hr
Sažetak A novel and simple method for the determination of penicillamine (PEN), tiopronin
(mercaptopropionyl glycine, MPG) and glutathione (GSH) in pharmaceutical formulations by …

Voltammetric determination of ethionamide in pharmaceutical formulations and human urine using a boron-doped diamond electrode

BRL Ferraz, FRF Leite, BL Batista… - Journal of the Brazilian …, 2016 - SciELO Brasil
This work reports a simple and low cost voltammetric approach comprising a boron-doped
diamond electrode (BDDE) to determine the antibiotic ethionamide (ETO). Cyclic …

Highly sensitive determination of α-lipoic acid in pharmaceuticals on a boron-doped diamond electrode

A Skorupa, S Michalkiewicz, M Jakubczyk - Open Chemistry, 2021 - degruyter.com
A simple, highly sensitive, and selective differential pulse voltammetry method for the
determination of α-lipoic acid (LA) in pharmaceutical preparations was developed and …

Spectrophotometric determination of thioctic (α-lipoic) acid in water and pharmaceutical preparations

Z Korićanac, M Čakar, S Tanasković… - Journal of the …, 2007 - farfar.pharmacy.bg.ac.rs
A spectrophotometric method is described for the assay of thioctic acid. The method is based
on the reaction between the drug and palladium (II) chloride. In this reaction, a yellow …

[HTML][HTML] Kinetic spectrophotometric determination of biotin in pharmaceutical preparations

MI Walash, M Rizk, ZA Sheribah… - International Journal of …, 2008 - ncbi.nlm.nih.gov
A simple accurate kinetic spectrophotometric method was developed for the determination of
biotin in pure form and pharmaceutical preparations. The proposed method is based on a …

[HTML][HTML] Spectrophotometric determination of ethionamide in pharmaceuticals using Folin–Ciocalteu reagent and iron (III)-ferricyanide as chromogenic agents

NAS Qarah, K Basavaiah, SAM Abdulrahman - Journal of Taibah University …, 2017 - Elsevier
Two simple and sensitive spectrophotometric methods are described for the determination of
ethionamide (ETM) in pure drug and tablets. The first method is based on the reduction of …