Electroanalysis with Carbon Paste–Based Electrodes, Sensors, and Detectors - Electroanalysis with Carbon Paste Electrodes - page 410

TABLE 8.23 (continued)
Analysis of Biologically Important Compounds at Carbon Paste Electrodes. Determination of DNA, RNA, Components of Nucleic Acids,
and Related Compounds. Investigations with DNA-Modiied CPEs

Analyte Modiier Carbon Paste Techniques Comments Ref(s)

ssDNA
Phosphinothricin.
acetyltransferase.transgene

SWCNT.+.poly(lysine).
(electropolymerized).+.
ssDNA

G/p.(solid) CV,.EIS NaCl.0.1.M.+.[Fe(CN) 6 ] 3/4− .(1.mM).as.probe;.LOD.

0.3.fM;.s:.transgenic.beans.(after.PCR)

[3108]

ssDNA ssDNA.(covalently.bound) G/stearic.acid CV det..via.methylene.blue [3109]

ssDNA
Bar.gene

Stearic.acid.+.ssDNA.
(covalently.via.
ethylenediamine)

G/mo SWV Hybridization.biosensor.with.Co(bpy) 3 3+ .as.

indicator

[3110]

ssDNA.(cucumber) ssDNA.(cucumber).+.

stearic.acid

Hybridization.biosensor.with.Co(bpy) 3 3+ .as.
indicator

[3111]

ssDNA
Phosphinothricin.
acetyltransferase.transgene

Stearic.acid.+.Al(III).+.
ssDNA

G/p.(solid) CV Biosensor.with.MB.as.indicator.via.decrease.of.

signal.after.hybridization;.s:.transgenic.corn

[3112]

ssDNA
CP4.epsps.gene
Bar.gene

Stearic.acid.+.SDS.+.
Al(III).+.ssDNA

G/p.(solid) CV,.DPV Biosensor.with.MB.as.indicator.via.decrease.of.

signal.after.hybridization;.LOD.23.nM;.
s: transgenic.soy.bean.(with.PCR)

[3113]

ssDNA
Phosphinothricin.
acetyltransferase.transgene

Al(III)-poly(l-glutamic.
acid).(electropolym.).+.
ssDNA.(electrostatic.
binding)

G/p.(solid) EIS Label-free.hybridization.biosensor;.KCl.0.1.M.+.

[Fe(CN) 6 ] 3/4− .(0.5.mM).as.probe;.LOD.3.pM

[3114]

ssDNA—35S.promoter.
from.caulilower.mosaic.
virus
Nopaline.synthase.gene

Au.NP/TiO 2 .hollow.
microsphere.
(membrane) +.ssDNA

CV,.EIS EIS.with.hexacyanoferrate.probe;.LOD.0.23.pM;.

s: transgenic.soy.beans.(via.NOS.gene.after.PCR)

[954]