Advertisement

Topics

The adsorption of quinizarin on boron-doped diamond.

Summary of "The adsorption of quinizarin on boron-doped diamond."

The voltammetric response of the quinone species 'quinizarin' (QZ) and its electrocatalytic reduction of oxygen are studied at a boron doped diamond electrode (BDD). It is demonstrated that, contrary to the widespread belief that adsorption of organic molecules on BDD is minimal, not only does QZ readily adsorb to the electrodes surface but this adsorption is also influenced at low surface coverages by the pre-exposure of the electrode to organic solvents. Furthermore, the nature of this adsorbed QZ species is investigated and a potential dependent phase transition is observed. This is to the authors knowledge the first system to exhibit a phase transition of an adsorbed species on a boron doped diamond surface. At low scan rates the system is found to oscillate; these oscillations are ascribed to the presence of a 'negative differential resistance'.

Affiliation

Department of Chemistry, Physical & Theoretical Chemistry Laboratory, Oxford University, South Parks Road, Oxford, OX1 3QZ, UK. richard.compton@chem.ox.ac.uk.

Journal Details

This article was published in the following journal.

Name: Physical chemistry chemical physics : PCCP
ISSN: 1463-9084
Pages: 2375-80

Links

DeepDyve research library

PubMed Articles [2281 Associated PubMed Articles listed on BioPortfolio]

Note: Novel diamond anvil cell for electrical measurements using boron-doped metallic diamond electrodes.

A novel diamond anvil cell suitable for electrical transport measurements under high pressure has been developed. A boron-doped metallic diamond film was deposited as an electrode on a nano-polycrysta...

Biofouling resistance of boron-doped diamond neural stimulation electrodes is superior to titanium nitride electrodes in vivo.

The goal of this study was to assess the electrochemical properties of boron-doped diamond (BDD) electrodes in relation to conventional titanium nitride (TiN) electrodes through in vitro and in vivo m...

Electrochemical mineralization pathway of quinoline by boron-doped diamond anodes.

Boron-doped diamond anodes were selected for quinoline mineralization, and the resulting intermediates, phenylpropyl aldehyde, phenylpropionic acid, and nonanal were identified and followed during qui...

Structure, Electronic Properties, and Electrochemical Behavior of a Boron-Doped Diamond/Quartz Optically Transparent Electrode.

The morphology, microstructure, chemistry, electronic properties, and electrochemical behavior of a boron-doped nanocrystalline diamond (BDD) thin film grown on quartz were evaluated. Diamond opticall...

Electrochemical Protein Cleavage in a Microfluidic Cell with Integrated Boron Doped Diamond Electrodes.

Specific electrochemical cleavage of peptide bonds at the C-terminal side of tyrosine and tryptophan generates peptides amenable to liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis f...

Clinical Trials [49 Associated Clinical Trials listed on BioPortfolio]

Boron Neutron Capture Therapy in Treating Patients With Melanoma

RATIONALE: Boron neutron capture therapy may selectively kill tumor cells without harming normal tissue. PURPOSE: Phase II trial to study the effectiveness of boron neutron capture therap...

Boron Neutron Capture Therapy (BNCT) as Treatment of Glioblastoma

Boron Neutron Capture Therapy (BNCT) is an experimental radiation therapy technique that is based on the principle of irradiating boron atoms with neutrons. When neutrons have relatively l...

Boron Neutron Capture Therapy (BNCT) Combined With Cetuximab in the Treatment of Locally Recurred Head and Neck Cancer

The purpose of the study is to investigate efficacy and safety boron neutron capture therapy (BNCT) administered in combination with cetuximab in the treatment of head and neck cancer that...

BNCT to Treat Glioma That Has Progressed Following Radiotherapy

Boron Neutron Capture Therapy (BNCT) is an experimental radiation therapy technique which is based on the principle of irradiating boron atoms with neutrons. When neutrons have relatively ...

Boron Neutron Capture Therapy Following Surgery in Treating Patients With Glioblastoma Multiforme Removed During Surgery

RATIONALE: Boron neutron capture therapy may selectively kill tumor cells without harming normal tissue. PURPOSE: This phase I trial is studying the side effects and best dose of boron ne...

Medical and Biotech [MESH] Definitions

A trace element with the atomic symbol B, atomic number 5, and atomic weight 10.81. Boron-10, an isotope of boron, is used as a neutron absorber in BORON NEUTRON CAPTURE THERAPY.

Inorganic or organic compounds that contain boron as an integral part of the molecule.

A technique for the treatment of neoplasms, especially gliomas and melanomas in which boron-10, an isotope, is introduced into the target cells followed by irradiation with thermal neutrons.

Diamond. A crystalline form of carbon that occurs as hard, colorless or tinted isomeric crystals. It is used as a precious stone, for cutting glass, and as bearings for delicate mechanisms. (From Grant & Hackh's Chemical Dictionary, 5th ed)

Use of ultrasound to increase the percutaneous adsorption of drugs.

Quick Search
Advertisement
 


DeepDyve research library

Searches Linking to this Article