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. 2022 Jan 18;23(3):1023. doi: 10.3390/ijms23031023

Table 3.

Performance of some polymer nanocomposites in sensors.

Polymer
Nanocomposite		 Type of Sensor Target Results Ref.
NiO– chitosan/ZnO/Zinc hexacyanoferrate nanocomposite film Biosensor Triolein Optimum response: within 4 s
linear concentration range: (50–700 mg/dL)
Sensitivity: 0.05 A/mg/dL		 [135]
GOx/MWCNTs-polyaniline
nanocomposite.		 Biosensor Glucose Electrical conductivity: 3.78 × 10−1 Scm−1
Response time: 5 s
Linear concentration range: 0.5–22 mM		 [149]
Polyaniline/MWCNTs/Au NPs nanocomposite modified glass carbon electrode Biosensor Glucose Detection limit: 0.19 mM
Sensitivity: 29.17 mA mM−1 cm−2
Concentration range: 0.0625–1.19 mM		 [150]
Polypyrrole/MWCNTs/GOx nanocomposite
modified glassy
carbon electrode 		Biosensor Glucose The linear range: up to 4 mM
Sensitivity: 95 nAmM−1
Response time: 8 s		 [151]
Polypyrrole/MWCNTs/Au NPs/ChOx Biosensor Cholesterol Linear response: (2 × 10−3 to 8 × 10−3 M) Detection limit: 0.1 × 10−3 M
Sensitivity: 10.12 mA mM−1 cm−2.		 [152]
Polyaniline/
Functionalize MWCNT
nanocomposite 		Gas
Sensor		 Ammonia Vapor High sensitivity (92% for100 ppm)
Detection limit: (200 ppb)
Response time: (9 s)
Recovery time: (30 s)		 [153]
Polypyrrole/Nitrogen-doped MWCNTs film
fabricated on PI
substrate		 Gas
Sensor		 NO2 gas The sensor possessed high response of 24.82% (Rg − Ra)/Ra × 100%) under 5 ppm of NO2. The sensor had outstanding selectivity, repeatability and stability [154]
Ethylene diamine tetraacetic acid/Polyaniline/MWCNTs. with carbon electrode Metal ion sensor Pb+2 Detection limit: 22 pM [155]
Polypyrrole/MWCNTs deposited on electrode Metal ion sensor Pb+2 ions Detection limit: 2.9 × 10−9 mol/L (S/N = 3) [156]
Polyaniline/MWCNTs -3-aminopropyltriethoxysilane casted on glassy carbon electrode Metal ion sensor Cd+2 ions Detection limit: 0.015 µM
Linear concentration range:(0.05–50 µM) 		[157]
Modified glassy carbon electrode with polythiophene/COOH -MWCNTs/reduced graphene oxide Metal ion sensor Hg+2 ions Linear range: (0.1 to 25 µM)
Limit of detection: (0.009 µM)
Recovery: between 110.7 and 96.79%		 [158]