Table 3 Performance Characteristics of Some Reported (selected based of diversity of electrochemical detection methods and demonstration of a wide performance spectrum) Electrochemical MIP Sensors for Amino Acid Detection

From: Molecularly imprinted polymer-based electrochemical sensors for amino acid detection: towards wearable sensing

Amino Acid

Electrode Modification

Detection Method

LOD

Linear Range

Refs.

L-Alanine

CPE

DPV

0.6 µM

1.0–150.0 µM

94

L-Aspartic-Acid

PGE

SWV

∼1.11 ng/mL

0.005–1.0 µg/mL

110

L-Cysteine

Magnetic GCE

DPV

∼0.74 pg/mL

∼1–12 pg/mL

99

L-Glutamic Acid

MWCNT/GCE

DPV

5.13 nM

0.01–100 µM

98

L-Histidine

OECT-based

OECT

100 nM

100nM–10 µM

113

L-Phenylalanine

f-MWCNT/GCE

DPV

6.83 nM

0.01–100 µM

109

L-Sarcosine

AuNP/SPCE

EIS

0.84 ng/mL

1–1600 ng/mL

141

L-Serine

PGE

SWV

∼0.24 nM

0.001–0.1 µM

111

L-Tryptophan

Chem-MWCNT/GCE

DPV

6 nM

0.01–100 µM

92

L-Tryptophan

PPy(FeCN)/SPCE

CV

105 nM

0.33–10.5 µM

107

L-Tryptophan

Lysozyme Amyloid Fibril

EIS

8pM

10 pM–80 µM

103

L-Tyrosine

CS/CMWNT/GCE

CV

1.6 nM

10nM–2 M

106

L-Tyrosine

Over-oxidized pyrrole- ITO

CV and EIS

1.73 pM (CV), 6.33 pM (EIS)

100 fM–100 mM

104

  1. CPE Carbon Paste Electrode, PGE Pencil Graphite Electrode, GCE Glassy Carbon Electrode, MWCNT Multi-Walled Carbon Nanotube, f-MWCNT functionalized-MWCNT, CMWNT Carboxylated MWCNT, SPCE Screen-Printed Carbon Electrode, AuNP Gold Nanoparticle, PPy Polypyrrole, FeCN Potassium Hexacyanoferrate(II), CS Chitosan, OECT Organic Electrochemical Transistor, ITO Indium Tin Oxide.