The electrocatalytic oxidations of guanine, adenine, guanosine-5'-monophosphate(GMP) and ssDNA were performed in the presence of Fe(II) bis(2,2':6',2''-terpyridine) and Fe(II) tris(1,10-phenanthroline) complexes as homogeneous catalysts by cyclic voltammetric methods. The Fe(II/III) redox couple of these compounds is responsible for their catalytic
Transthyretin (TTR) is a plasma protein transporter of thyroxine (T(4)) and retinol and also has peptidase activity. In order to characterize TTR peptidase activity we used fluorescence resonance energy transfer (FRET) peptides derived from Abz-KLRSSK-Q-EDDnp and from two portion-mixing libraries
Fresenius' journal of analytical chemistry, 366(8), 857-862 (2001-03-03)
Two spectrophotometric methods, a photochemical and a non-photochemical, for the determination of ascorbic acid in soft drinks and beer using a flow-injection system are proposed. The non-photochemical method is based on the redox reaction that takes place between ascorbic acid
[Dynamic instability of biological system under natural and experimental gravity condition].
A simple method for separation/preconcentration and determination of Ag(I) in aqueous samples is described. The method is based on formation of an ion-associate between Ag(I)-iodide complex and ferroin, which can be floated at the interface of the aqueous/n-heptane phases. The
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