Table 1 Comparison of the analytical performance of the H2O2 and NO2− over various modified electrodes.

From: Immobilization of myoglobin on Au nanoparticle-decorated carbon nanotube/polytyramine composite as a mediator-free H2O2 and nitrite biosensor

Modified Material Electrode

Analytical methods

Sensor

Γ(mol cm−2)

ks (s−1)

Applied Potential (V)

Linear range (μM)

LOD (μM)

KM(mM)

Ref

Mb-Au/Pyrolytic graphite

Amperometry

H2O2

2.33 × 10−10

—

−0.1 (SCE)

2–80

1.2

—

11

Mb- titanium carbide nanoparticles- Chitosan/GCE

Amperometry

H2O2

5.86 × 10 − 10

3.8

−0.3 (SCE)

0.5–50

0.20

0.07

12

Gold nanorods@SiO2-Mb/room temperature ionic liquid-sol-gel/GCE

CV

H2O2

7.65 × 10−9

4.7

(SCE)

0.2–80

0.12

0.42

14

Nafion/f-MWCNTs/MB/Carbon ionic liquid

CV

H2O2

4.64 × 10 −9

0.332

(SCE)

8–196

6.00

0.0001

15

Chitosan-MWNTs/Mb/AgNPs/GCE

Amperometry

H2O2

4.16 × 10 −9

5.47

−0.3 (Ag/AgCl)

25–200

1.02

0.024

16

Mb/ZrO2/MWCNT/GCE

Amperometry

H2O2

1.36 × 10−10

1.52

−0.4 (Ag/AgCl)

1.00–116

0.53

0.085

19

Clay-ionic liquid (1-butyl-3-methyl imidazolium tetrafluoraborate/Mb/GCE

Amperometry

H2O2

4.90 × 10−1

3.58

−0.15 (Ag/AgCl)

3.9–259

0.73

0.0176

36

Mb/DNA/N-butylpyridinium hexafluorophosphate (BPPF6)/Carbon ionic liquid

CV

H2O2

—

1.02

(SCE)

1.0–160

0.2

0.42

37

Nafion/Mb/ionic liquid/GCE

Amperometry

H2O2

5.89 × 10−11

—

−0.45 (Ag/AgCl)

1.0–180

0.14

0.022

38

Mb/1-butyl pyridinium hexaflourophosphate/Carbon ionic liquid

Amperometry

H2O2

1.06 ×  10−9

2.8

−0.39 (SCE)

6.0–160

2

1.40

39

Nafion/MB/colloidal gold nanoparticle/GCE

Amperometry

H2O2

—

—

−0.45 (SCE)

1.5–90

0.50

—

40

Mb-CeO2/Indium tin oxide

Amperometry

H2O2

5.142 × 10−11

1.57

−0.3 (Ag/AgCl)

200–5000

0.6

3.15

41

Mb-1-butyl-3-methyl-imidazolium tetrafluoroborate- hyaluronic acid/GCE

CV

H2O2

9.56 × 10 −11

4.21

(SCE)

2.0–270

0.6

0.29

42

Nafion/Mb- Poly(methacrylic acid-co-acrylamide)- f-MWCNTs/Au

Amperometry

H2O2

6.3 × 10−10

1.644

−0.45 (SCE)

1.47–4760

0.76

—

43

Mb-Dodecyltrimethylammoniumbromide/Carbonceramic

CV

H2O2

—

3.03

(SCE)

110–1600

40.0

—

44

Mb/Au-PTy-f-MWCNT/GCE

Amperometric

H2O2

2.12 × 10−9

4.86

−0.3 (Ag/AgCl)

1–5000

0.01

0.12

This work

Nafion/grapheme/Mb/GCE

CV

NO2−

—

3.9

—

50–2500

10

—

2

Mb/LaF3-DP-CeO2/IL/Carbon paste

Amperometric

NO2−

2.07 × 10−9

1.01

0.8 (Ag/AgCl)

5–4650

2.0

2.19

29

Mb/multi-walled carbon nanotube (MWCNT) -cysteamine – Nafion/Au

Amperometric

NO2−

—

—

0.7 (Ag/AgCl)

1–250

0.1

—

35

Hemoglobin/colloidal Au nanoparticles/TiO2/GCE

Amperometric

NO2−

—

—

−0.75 (Ag/AgCI)

4.0–3500

1.2

—

45

Cytochrome c/DNA/MWCNT- poly(amidoamine)-Chitosan/GCE

Amperometry

NO2−

8 × 10−10

1.5

+0.95 (SCE)

0.2–80

0.03

—

46

Cytochrome c/l-cysteine /poly-3-methylthiophene/multi-walled carbon nanotubes/GCE

Amperometric

NO2−

1.6 × 10−11

0.49

+0.9 (Ag/AgCl)

10–100

0.5

—

47

Hb-ZnO-Nafion/GCE

Amperometric

NO2−

1.0 × 10−10

3.2

−0.675 (Ag/AgCl)

10–2700

4.0

—

48

Nafion-BMIMPF6/Mb/Carbon ionic liquid

CV

NO2−

4.97 × 10−9

0.532

(SCE)

100–8400

50

1.46

49

Mb/Au-PTy-f-MWCNT/GCE

Amperometric

NO2−

2.12 × 10−9

4.86

+0.74 (Ag/AgCl)

1–8000

0.002

0.38

This work

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