Experimental Determination of the Electron Density Topology in a Non-centrosymmetric Transition Metal Complex:  [Ni(H3L)][NO3][PF6] [H3L =N,N‘,N‘‘-Tris(2-hydroxy-3-methylbutyl)-1,4,7-triazacyclononane]

1997 ◽  
Vol 119 (21) ◽  
pp. 5028-5034 ◽  
Author(s):  
G. T. Smith ◽  
P. R. Mallinson ◽  
C. S. Frampton ◽  
L. J. Farrugia ◽  
R. D. Peacock ◽  
...  
Keyword(s):  
Transition Metal ◽  
Metal Complex ◽  
Experimental Determination ◽  
Electron Density ◽  
Transition Metal Complex ◽  
Electron Density Topology ◽  
Density Topology

scholarly journals Electrocatalytic Oxidation and Determination of Cysteine at Oxovanadium(IV) Salen Coated Electrodes

2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
Piyush Kumar Sonkar ◽  
Vellaichamy Ganesan ◽  
Vijay Rao
Keyword(s):  
Transition Metal ◽  
Metal Complex ◽  
Glassy Carbon ◽  
Electrocatalytic Oxidation ◽  
Transition Metal Complex ◽  
Limit Of Detection ◽  
Good Sensitivity ◽  
Oxidation Current ◽  
Coated Electrodes

A transition metal complex, oxovanadium(IV) salen (where salen representsN,N′-bis(salicylidene)ethylenediamine) is immobilized on glassy carbon (GC) electrodes and utilized for electrocatalytic oxidation of cysteine. In presence of oxovanadium(IV) salen, increased oxidation current is observed due to the effective oxidation of cysteine by the electrogenerated oxovanadium(V) salen species. The oxidation current linearly varies with the concentration of cysteine from 0.1 to 1.0 mM. The modified electrode has good sensitivity and low limit of detection. These properties make the oxovanadium(IV) salen as an effective electrocatalyst for the determination of cysteine.

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