Electroanalysis with Carbon Paste–Based Electrodes, Sensors, and Detectors - Electroanalysis with Carbon Paste Electrodes - page 338

TABLE 8.17 (continued)
Analysis of Biologically Important Compounds at Carbon Paste Electrodes: Amines and Other Amino-Compounds

Analyte Modiier Carbon Paste Techniques Comments Ref(s)

Cysteine Cu 2 O G(arc)/mo CV,.LSV Peak.at.−650.mV.(probably.reduction.of.the.

Cu(I)-SR-complex)
Borate.buffer,.pH.9.2
LOD.2.nM

[1316]

Cysteine Co(II,III)-oxide G/mo FIA.(0.4.V.vs..SSE) Catalytic.ox.;.PBS.0.1.M,.pH.7.or.NaOH.

0.1.M

[1230]

Cysteine
Cystine

RuO 2 [2714]

Cysteine V IV O-salen G/mo CV,.LSV,.A.(0.8.V.vs..SCE) LOD.1.7·10 −4 .M.(A);.also.for.

N -acetylcysteine,.glutathione.and.
6-thiopurine

[1594]

Cysteine 12.molybdovanadate(V) CILE CV;.A.(0.4.V.vs..Ag/AgCl) Pharmaceutical.samples [487]

Cysteine Poly( N , N -dimethylaniline).+.

ferrocyanide

G/p CV,.A.(0.2.V.vs..Ag/AgCl) LOD.6.17.×.10 −5 .M.(CV),.6.38.×.

10 −6 .M.(A)

[2715]

Cysteine Hexacyanoferrate/SiAl-ion.

exchanger

G/hydrocarbon.
oil

CV ox..of.cysteine [1821]

Cysteine Cu(II)/Co(II)-hexacyanoferrate G/po CV,.LSV PBS,.pH.2,.0.1.M

LOD.5.μM

[1040]

Cysteine
Cystine
Methionine

Ru(III)-hexacyanoferrate(II).ilm FIA [1042]

Cysteine Cu(II)-diethyldithiocarbamate DPASV [1310]

LOD.2.μM

Cysteine-glutathione Ru(III)-diphenyldithiocarbamate G/p CV,.A ox.at.+0.38.V.vs..SCE;.KNO 3 /HNO 3 ,.pH.3;.

LOD.9.16.mg.L −1

[1608]

Cysteine Cu(II)-cyclohexylbutyrate ASV.( E acc ..−0.9.V.vs..Ag/AgCl) acc..as.Cu(I)-complex,.ox.at.0.03.V.to.

Cu(II);.LOD.2.nM

[2716]

Cysteine Ferrocene C/po CV,.DPV PBS,.pH.7.0

LOD.4.7.μM.(DPV);.in.soya.protein.
powder,.human.serum

[877]