Chemistry Reference
In-Depth Information
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)
Mefenamic.acid
Lanthanum.hydroxide.nanowires
G/po
CV,.LSV
PBS.0.1.M,.pH.5.8;.ox..∼0.85.V.vs..SCE;.
LOD.6.pM;.s:.pharmaceuticals
[2585]
Methionine
Colloidal.Au.+.cysteamine
Suitable.for.other.S-organic.compounds
[1877,1878]
β-
N
-Oxalyl.
diaminopropionic.
acid
Glutamate.oxidase/Naion.+.MnO
2
G/po
CV,.FIA
Toxic.principle.of.
Lathyrus sativus
;.
glutamate.eliminated.by.decarboxylation;.
pH.7.4;.s:grass.peas.(extract)
[842,.
2729-
2731]
Phenylalanine
Phenylalanine.dehydrogenase,.
uricase,.NAD
+
.+.
3,4-dihydroxybenzaldehyde
C(heat.act.)/po
CV,.LSV
Biosensor;.PBS.0.1.M,.pH.7.0;.LOD:.
0.4.mM;.s:.urine
[2732]
Phenylalanine
Phenylalanine.dehydrogenase.+.
salicylate.hydroxylase.+.
tyrosinase +.NAD+
G(heat.act.)/po
Trienzyme.biosensor;.oxidative.
deamination,.oxidative.decarboxylation.
and.oxidation.to.quinone;.LOD.5.μM;.s:.
serum,.whole.blood
[2733]
l-Proline
Cyclodextrins
G/po
Pot
Enantioselective.det.;.LOD.0.1-0.9.nM
[2734]
Selenoamino.acids
AgNO
3
G/liquid.p
CV,.chrono-coulometry
via.complexation.of.surface-bound.Ag
+
;.
complexation.studies
[1309]
Tryptophan
Unmodiied
V
LOD.0.25.μM
[2735]
Tryptophan
Unmodiied
G/mo
CV,.DPV
ox..∼0.7.V.vs..Ag/AgCl
BRP,.pH.7.4;.LOD.1.7.μM
s:.pharmaceuticals
[2736]
Tryptophan
Serotonin
Unmodiied
G/Nj
adSV.with.me
det..as.indole.after.incubation.with.
tryptophanase;.s:.serum
[2737]
Tryptophan
Serotonin
Uric.acid
Unmodiied
GC.paste
DPV
via.redox.peak.of.ox.product;.PBS;.
improvements.compared.to.CPE
[659,2738]
Tryptophan
Preanodization
C/solid.p
Adsorptive.stripping
Acetate.buffer,.pH.3.5.ox..at.1.01.V.vs..
Ag/ AgCl;.LOD.2.ng;.s:.synthetic.serum
[181]
Tryptophan
Preanodization
C/solid.p
Adsorptive.stripping
Acetate.buffer,.pH.3.5
ox..at.1.8.V.vs..Ag/AgCl.for.10.min;.LOD.
2.μg/L;.s:.spiked.serum,.amino.acid.
injection
[2739]
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