Chemistry Reference
In-Depth Information
TABLE 8.22 (continued)
Analysis of Biologically Important Compounds at Carbon Paste Electrodes: Neurotransmitters and Related Compounds
Analyte
Modiier
Carbon Paste
Techniques
Comments
Ref(s)
Dopamine
Dopamine
K
3
[Fe(CN)
6
]
Triton.X100
G/so.or.ceresin.wax
CV
T.X100.improves.slightly.current
[317]
Phthalic.acid.+.Triton.X100
G/so
CV
Increased.currents.by.phthalic.acid.and.Triton;.
PBS.0.2.M,.pH.7
[1648]
Dopamine
p
-Aminobenzoic.acid.(+surfactant.
SDS.or.CTAB)
G/so
CV
Signal.improvement,.further.enhancement.by.
surfactant;.ABS,.pH.7
[1500]
Dopamine
Salicylic.acid.+.surfactant
G/so
CV
Catalytic.oxidation,.improvement.by.surfactants;.
PBS.0.2.M,.pH.7
[1634]
Dopamine
Mannitol.+.Triton.X100
G/so
CV
Increased.currents.by.mannitol.and.Triton;.ABS.
0.2.M,.pH.6
[1649]
Dopamine
l-Aspartic.acid.in.Naion.ilm
CILE.G/1-butyl-3-.
methyl-imidazolium.
hexaluorophosphate
Electrocatalytic.ox.;.PBS.0.1.M,.pH.7.4;.LOD.
0.03.μM
[2973]
Dopamine
β
-Cyclodextrine/membrane
Inclusion.complexes;.adsorption.control.with.
HClO
4
.>.2.M
[2974]
Dopamine
Ascorbic.acid
β
-Cyclodextrine,.CNT.or.poly.
(cyclodextrin).(electropolym.)
Formation.constants.of.inclusion.complexes,.
pH 3;.supramolecular.complexes
[2975,2976]
Dopamine
Hydroxy-tryptophan
Melamine.polymer.ilm.from.
electropolym..of.l-dopa
MWCNT/po
CV,.A.(0.2.V.vs..
SSE),.adSDPV.(oc,.
medium.exchange)
Accumulation.and.catalytic.effect;.PBS.0.05.M.
(+.ascorbic.acid.10
−3
.M;.current.increase.due.to.
red..of.dopamine.quinone),.pH.7.4;.LOD.20.nM.
(5′.acc.)
[2977]
Dopamine
Ascorbic.acid
Polyglycine.(electropolym.)
G/so
CV
Electrocatalytic.effect.on.ox.;.simultaneous.det.;.
ABS.0.2.M,.pH.5
[1764]
Dopamine
Mesoporous.SiO
2
.NP
G/po
CV;.acc..2.min
Current.enhancement.by.adsorption;.PBS.0.1.M,.
pH.7;.LOD.0.1.μM;.s:.serum,.injections
[999]
Dopamine
AuNP
DPV
No.responses.from.uric.and.ascorbic.acids;.
universal.buffer,.pH.7.4;.LOD.5.9.nM
[2978]
Dopamine
Ascorbic.acid
Uric.acid
AuNP
[2979]
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