Electrogenerated chemiluminescence of tris(2,2' bipyridine)ruthenium(ii) using common biological buffers as co-reactant, pH buffer and supporting electrolyte

Kebede, Noah, Francis, Paul S., Barbante, Gregory J. and Hogan, Conor F. 2015, Electrogenerated chemiluminescence of tris(2,2' bipyridine)ruthenium(ii) using common biological buffers as co-reactant, pH buffer and supporting electrolyte, Analyst, vol. 140, no. 21, pp. 7142-7145, doi: 10.1039/c5an01216c.

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Title Electrogenerated chemiluminescence of tris(2,2' bipyridine)ruthenium(ii) using common biological buffers as co-reactant, pH buffer and supporting electrolyte
Author(s) Kebede, Noah
Francis, Paul S.ORCID iD for Francis, Paul S. orcid.org/0000-0003-4165-6922
Barbante, Gregory J.
Hogan, Conor F.
Journal name Analyst
Volume number 140
Issue number 21
Start page 7142
End page 7145
Total pages 4
Publisher Royal Society of Chemistry
Place of publication London, Eng.
Publication date 2015
ISSN 1364-5528
Keyword(s) Science & Technology
Physical Sciences
Chemistry, Analytical
Chemistry
HYDROGEN-ION BUFFERS
SELECTIVE EXCITATION
ELECTROCHEMILUMINESCENCE
SYSTEMS
ECL
TRIS(2,2'-BIPYRIDINE)RUTHENIUM(II)
LUMINESCENCE
COMPLEXES
EMISSION
MONOMERS
Summary A series of aliphatic tertiary amines (HEPES, POPSO, EPPS and BIS-TRIS) commonly used to buffer the pH in biological experiments, were examined as alternative, non-toxic co-reactants for the electrogenerated chemiluminescence (ECL) of tris(2,2'-bipyridine)ruthenium(ii) ([Ru(bpy)3](2+)). These were found to be very attractive as "multi-tasking" reagents, serving not only as co-reactants, but also fulfiling the roles of pH buffer and supporting electrolyte within an aqueous environment; thus significantly simplifying the overall ECL analysis. Sub-nanomolar detection limits were obtained for [Ru(bpy)3](2+) in the presence of BIS-TRIS, making this species an valuable option for co-reactant ECL-based bioanalytical applications.
Language eng
DOI 10.1039/c5an01216c
Field of Research 030102 Electroanalytical Chemistry
0301 Analytical Chemistry
0399 Other Chemical Sciences
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Royal Society of Chemistry
Persistent URL http://hdl.handle.net/10536/DRO/DU:30080557

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