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Selective detection of hydrazine in the presence of excess electrochemically active pharmaceutical ingredients using boron doped diamond metal nanoparticle functionalised electrodes
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Channon, Robert B., Newland, Jonathan C. , Bristow, Anthony W. T., Ray, Andrew D. and Macpherson, Julie V. (2013) Selective detection of hydrazine in the presence of excess electrochemically active pharmaceutical ingredients using boron doped diamond metal nanoparticle functionalised electrodes. Electroanalysis, Volume 25 (Number 12). pp. 2613-2619. doi:10.1002/elan.201300419 ISSN 1040-0397.
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Official URL: http://dx.doi.org/10.1002/elan.201300419
Abstract
Detection of the genotoxic impurity hydrazine (HZ) in the presence of active pharmaceutical ingredients (APIs) represents a significant challenge to the pharmaceutical industry. Here we show how the use of electrochemical strategies in conjunction with metal nanoparticle (NP) functionalised polycrystalline boron-doped diamond (BDD) electrodes enables detection of HZ in the presence of two different electrochemically active APIs. By simply changing the chemical identity of the metal NP, which shifts the detection potential for HZ, it is possible to selectively screen out the API signature from the HZ current – voltage response. HZ detection limits of 11.1 µM (Au NP BDD) and 3.3 µM (Pt NP BDD) in the presence of excess acetaminophen and promazine respectively, were determined using differential pulse voltammetry in quiescent solution.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry R Medicine > RS Pharmacy and materia medica |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||
Library of Congress Subject Headings (LCSH): | Electrochemical analysis, Nanoparticles, Hydrazine, Doped semiconductors, Boron, Diamonds -- Electric properties, Electrodes, Pharmaceutical chemistry | ||||
Journal or Publication Title: | Electroanalysis | ||||
Publisher: | Wiley - V C H Verlag GmbH & Co. KGaA | ||||
ISSN: | 1040-0397 | ||||
Official Date: | 2013 | ||||
Dates: |
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Volume: | Volume 25 | ||||
Number: | Number 12 | ||||
Page Range: | pp. 2613-2619 | ||||
DOI: | 10.1002/elan.201300419 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Funder: | Engineering and Physical Sciences Research Council (EPSRC), Birmingham Science City, European Regional Development Fund (ERDF), Advantage West Midlands (AWM) |
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