Skip to main content
. 2016 Apr 8;85:36–60. doi: 10.1016/j.trac.2016.04.004

Table 2.

Analytical parameters of clinical sensors and biosensors recently used for cancer and cardiac biomarkers

Analyte detected (matrix) Sensor type Linear range LODa Sensitivity (slope) Additional information References
CANCER BIOMARKERS
PSA (serum samples) Electrochemical immunosensor based on CdS quantum dot-functionalized graphene sheets 0.005–10 ng mL−1 0.003 ng mL−1 RSD = 7.9%; n = 5 [55]
PSA (serum samples) Electrochemical immunosensor based on graphene–Co hexacyanoferrate nanocomposites (GCE) 0.02–2 ng mL−1 0.01 ng mL−1 (S/N = 3) RSD = 6.7%; n = 5 [56]
PSA (serum samples) Electrochemical immunosensor based on antibody-modified paramagnetic microparticles (screen-printed 8-sensor arrays based on 8 graphite working electrodes) 0–20 ng mL−1 1.4 ng mL−1 (3y0+s) 0.05 µA ng−1 mL−2 RSD = 8%; n = 5
r2 = 0.995
[57]
PSA (serum samples) Electrochemical immunosensor based on MCWNT (SPCE) 0.005–4 ng mL−1 0.005 ng mL−1 0.077 µA pg−1 mL−2 r2 = 0.97 [58]
PSA (serum samples) Electrochemical immunosensor based on Au nanoparticles–MWCNT–cross-linked starch nanocomposites (GCE) 0.01–0.5 ng mL−1 0.007 ng mL−1 (S/N = 3) 63.94 µA ng−1 mL−2 RSD = 4.1%; n = 6
r2 = 0.9936
Recovery = 91.0–106.3%
[59]
PSA (serum samples) Electrochemical immunosensor based on graphene and Ag-hybridized mesoporous silica nanoparticles (GCE) 0.01–10 ng mL−1 0.002 ng mL−1 3.6807 µA ng−1 mL−2 RSD = 6.4%; n = 5
r2 = 0.9963
Recovery = 97.0–102.5%
[60]
IL-8 (serum samples) Electrochemical immunosensor based on MCWNT (SPCE) 8–1000 pg mL−1 8 pg mL−1 [58]
IL-8 (serum samples) Electrochemical immunosensor based on superparamagnetic particles and Au nanoparticles 0–2000 pg mL−1 0.001 pg mL−1 0.0543 nA pg−1 mL−2 r = 0.9782 [61]
IL-6 (serum samples) Electrochemical immunosensor 0.01–1.3 pg mL−1 0.01 pg mL−1 r = 0.9914 [62]
IL-6 (serum samples) Electrochemiluminescence immunosensor based on graphene oxide nanosheet/polyaniline nanowire/CdSe quantum dot nanocomposites (GCE) 0.5–10,000 pg mL−1 0.17 pg mL−1 RSD = 5.9%; n = 3 [63]
IL-6 (serum, urine, and saliva samples) Electrochemical magnetoimmunosensor based on carboxyl-functionalized magnetic microparticles (SPCEs) 1.75–500 pg mL−1 0.39 pg mL−1 (3y0+s) 336 nA pg−1 mL−2 RSD = 6.9–8.1%; n = 8
r = 0.999
Recovery = 98–103%
[64]
IL-6 (serum samples) Electrochemical immunosensor based on Au–Pd–Ag nanoparticles (electrically heated carbon electrode) 0.1–100,000 pg mL−1 0.059 pg mL−1 (S/N = 3) RSD = 6.3% [65]
IL-6 (serum samples) Electrochemical immunosensor based on Au nanoparticle–graphene–silica sol–gel (ITO) 1–40 pg mL−1 0.3 pg mL−1 (S/N = 3) 20.4 nA pg−1 mL−2 RSD = 7.2%; n = 3
r = 0.9919
[66]
MMP-2 (serum samples) Electrochemical immunosensor based on Au nanoparticles and nitrogen-doped graphene composites (GCE) 0.5–50,000 pg mL−1 0.11 pg mL−1 (S/N = 3) 4.20 µA ng−1 mL−2 RSD = 5.7%
r = 0.997
[67]
MMP-2 (serum samples) Optical biosensor based on graphene oxide 10,000–150,000 pg mL−1 2500 pg mL−1 RSD = 0.53–4.56%
Recovery = 93.6–98.8%
[68]
MMP-3 Electrochemical immunosensor based on graphene oxide/polypyrrole ionic liquid nanocomposite (ITO) 1–1000 pg mL−1 1 pg mL−1 [69]
α-fetoprotein (serum samples) Electrochemical magnetoimmunosensor based on Fe3O4/ZrO2/nano-Au composite (GCE) 0.05–10 ng mL−1 0.01 ng mL−1 (S/N = 3) 0.2906 µA ng−1 mL−2 RSD = 2.5%
r = 0.9905
[70]
α-fetoprotein (serum samples) Photoelectrochemical immunosensor based on CdTe quantum dot–glucose oxidase bioconjugate (ITO) 0.0005—10,000 ng mL−1 0.00013 ng mL−1 4.60 µA ng−1 mL−2 RSD = 0.8–1.5%; n = 5
r = 0.9997
[71]
α-fetoprotein (serum samples) Electrochemical sensor based on MWCNT and Au nanoparticles 0.0005–100 ng mL−1 0.00015 ng mL−1 (S/N = 3) RSD = 2.7–5.1%
r = 0.9969
[72]
α-fetoprotein (serum samples) Electrochemical immunosensor based on Au and Ag nanoparticles (SPCE) 0.005–5.0 ng mL−1 0.0039 ng mL−1 (S/N = 3) CV = 5.3–7.9%; n = 5
r = 0.9954
[73]
α-fetoprotein (serum samples) Electrochemical immunosensor based on mesoporous silica nanoparticles with Fe3O4 nanoparticles (GCE) 0.01–25 ng mL−1 0.004 ng mL−1
(S/N = 3)
RSD = 1.8–3.5%; n = 5 [74]
CEA (serum samples) Electrochemical immunosensor based on CNT/Au nanoclusters (GCE) 0.1–2.0 ng mL−1 0.06 ng mL−1 (S/N = 3) 4.69 µA ng−1 mL−2 CV = 5.6%; n = 5
r = 0.992
[75]
CEA (serum samples) Electrochemical immunosensor based on chitosan–ferrocene and nano-TiO2 film and Au nanoparticle–graphene nanohybrid 0.01–80 ng mL−1 0.0034 ng mL−1 (S/N = 3) 0.5289 µA ng−1 mL−2 RSD = 2.5%; n = 5
r = 0.9991
[76]
CEA (serum samples) Electrochemical immunosensor based on Au nanoparticle–thionine–reduced graphene oxide nanocomposite film (GCE) 0.01–0.5 ng mL−1 0.004 ng mL−1 (S/N = 3) 4.2 µA ng−1 mL−2 RSD = 4.6%; n = 5
r = 0.9978
Recovery = 92.5–113.0%
[77]
CEA (serum samples) Electrochemical sensor based on MWCNT and Au nanoparticles 0.0005–100 ng mL−1 0.00002 ng mL−1 (S/N = 3) RSD = 1.9–5.8%
r = 0.9954
[72]
CEA (serum samples) Electrochemical immunosensor based on MWCNT (µPAD) 0.05–50 ng mL−1 0.01 ng mL−1 2.587 µA ng−1 mL−2 RSD = 4.2%; n = 10
r = 0.9964
[78]
CEA (serum samples) Electrochemical immunosensor based on Au and Ag nanoparticles (SPCE) 0.005–5.0 ng mL−1 0.0035 ng mL−1 (S/N = 3) CV = 4.7–5.9%; n = 5
r = 0.9975
[73]
CEA (serum samples) Electrochemical immunosensor based on Nafion membrane–SiO2 nanoparticles (GCE) 0.000001–0.1 ng mL−1 0.000001 ng mL−1 (S/N = 3) 0.10016 µA fg−1 mL−2 RSD = 3.5%; n = 3
r2 = 0.9944
[79]
CEA (serum samples) Electrochemical immunosensor based on nano-Au-functionalized mesoporous carbon foam (GCE) 0.00005–1 ng mL−1 0.000024 ng mL−1 (S/N = 3) RSD = 7.6%; n = 3
r = 0.9997
[80]
CEA (serum samples) Electrochemical immunosensor based on Au–Ag bimetallic nanoparticles (paper working electrode) 0.001–50 ng mL−1 0.0003 ng mL−1 (S/N = 3) 15.58 µA ng−1 mL−2 RSD = 5.1%; n = 11
r = 0.9965
[81]
CA 125 (serum samples) Electrochemical immunosensor based on MWCNT (µPAD) 0.001–75.0 U mL−1 0.2 U mL−1 1.285 µA U−1 mL−2 r = 0.9968 [78]
CA 125 (serum samples) Electrochemical sensor based on MWCNT and Au nanoparticles 0.0001–100 U mL−1 0.000037 U mL−1 (S/N = 3) RSD = 3.6–5.9%
r = 0.9965
[72]
CARDIAC BIOMARKERS
CRP (serum samples) Electrochemical immunosensor based on aldehyde-terminated nanocrystalline diamond 1–1000 nM 10 nM [82]
CRP (serum samples) Electrochemical immunosensor based Fe3O4–Au magnetic nanoparticles (SPCE) 1.2–200 ng mL−1 0.5 ng mL−1 [83]
CRP Electrochemical immunosensor based on ZnO nanotubes 10–1000000 ng L−1 0.0010 ng mL−1 13.17 mV mg−1 L−1 RSD < 5%; n = 6
r2 = 0.99
[84]
CRP (serum samples) Electrochemical magnetoimmunosensor based on carboxylic acid-modified magnetic beads (gold SPE) 0.07–1000 ng mL−1 0.021 ng mL−1 (3s/m) 0.203 µA ng−1 mL−2 RSD = 6.5%; n = 9
r = 0.997
[85]
CRP (serum samples) Electrochemical immunosensor (polycrystalline Au electrodes) 60000–6000000 ng L−1 19000 ng mL−1 (S/N = 3) [86]
CRP (serum samples) Piezoelectric immunosensor based on Fe3O4–SiO2 magnetic nanoprobes 0.001–100 ng mL−1 0.0003 ng mL−1 30.1 Hz pg−1 mL−2 CV = 2.4%; n = 5
r = 0.9943
Recovery = 86.7–107.0%
[87]
CRP (serum and saliva samples) Electrochemical immunosensor based on SWCNT 0.1–100000 ng mL−1 0.1 ng mL−1 CV = 1.0–9.4%; n = 3
r2 = 0.9924
[88]
CRP (serum samples) Electrochemical magnetoimmunosensor based on carboxylic acid-modified magnetic beads (SPCE) 2–100 ng mL−1 0.47 ng mL−1 (3s/m) 0.386 µA ng−1 mL−2 RSD = 6.3%; n = 10
r = 0.996
[89]
NT-proBNP Electrochemical immunosensor with Au and MWCNT composite 0.02–100 ng mL−1 0.006 ng mL−1 (S/N = 3) 2.023 µA ng−1 mL−2 RSD = 3.4%; n = 10
r = 0.997
[90]
NT-proBNP (serum samples) Electrochemical magnetoimmunosensor based on avidin-functionalized magnetic nanoparticles 0.04–2.5 ng mL−1 0.03 ng mL−1 (S/N = 3) r = 0.9827 [91]
NT-proBNP (serum samples) Electrochemical magnetoimmunosensor based on carboxylic acid-modified magnetic beads (SPE) 0.12–42.9 ng mL−1 0.02 ng mL−1 RSD = 9.7%; n = 9 [92]
NT-proBNP (serum samples) Electrochemical magnetoimmunosensor based on carboxylic acid-modified magnetic beads (SPCE) 2–100 ng mL−1 0.47 ng mL−1 (3s/m) RSD = 9.4%; n = 10
Recovery = 105–111%
[89]
cTnT (serum samples) Piezoelectric immunosensor based on Au nanoparticles 0.003–0.5 ng mL−1 0.0015 ng mL−1 63.82 Hz ng−1 mL−2 CV = 7%; n = 5
r = 0.989
[93]
cTnT (serum samples) Electrochemical immunosensor based on carboxylated CNT 0.1–10 ng mL−1 0.033 ng mL−1 CV = 3.7%; n = 10
r = 0.9996
[94]
cTnT (serum samples) Electrochemical immunosensor based on amine-functionalized CNT (SPE) 0.0025–0.5 ng mL−1 0.0035 ng mL−1 (3s/m) 3.25 µA ng−1 mL−2 RSD = 3.8%; n = 7
r = 0.995
[95]
cTnT (serum samples) Electrochemical immunosensor based on o-aminobenzoic film 0.05–5.0 ng mL−1 0.016 ng mL−1 (3s/m) RSD = 6.2%; n = 6
r = 0.992
[96]
cTnI Electrochemical immunosensor based on Au nanoparticles (ITO) 1–100 ng mL−1 [97]
cTnI Electrochemical immunosensor (SPE) 1–100 ng mL−1 5.5 µA ng−1 cm−2 r = 0.987 [98]
cTnI Electrochemical immunosensor based on Pt nanoparticles and graphene composite (GCE) 0.01–10 ng mL−1 0.0042 ng mL−1 (S/N = 3) RSD = 4–11%; n = 3
r = 0.991
[99]
cTnI (serum samples) Optical immunosensor (fluorescence) 0–50 ng mL−1 0.05 ng mL−1 RSD = 7.5%; n = 6
r2 = 0.9984
[100]
Myoglobin (plasma samples) Electrochemical immunosensor based on Au nanoparticles 10–400 ng mL−1 5 ng mL−1 (S/N = 3) RSD = 15%; n = 3
r = 0.981
[101]
Myoglobin Electrochemical immunosensor based on liquid crystal and Au nanoparticles (GCE) 9.96–72.8 ng mL−1 6.29 ng mL−1 (3s/m) RSD = 4.3%; n = 5
Recovery = 99.7–109.1%
[102]
Myoglobin (serum samples) Optical immunosensor (SPR) 100–1000 ng mL−1 31.0 ng mL−1 (S/N = 3) CV = 4.9%
r2 = 0.99
[103]
Myoglobin (serum samples) Optical immunosensor (fluorescence) 0–340 ng mL−1 RSD = 2.3%; n = 6
r2 = 0.979
[100]

CA 125: cancer antigen 125; CEA: carcinoembryonic antigen; CNT: carbon nanotubes; CRP: C-reactive protein; cTnI: cardiac troponin I; cTnT: cardiac troponin T; CV: coefficient of variation; GCE: glassy carbon electrode; IL-6: interleukin-6; IL-8: interleukin-8; ITO: indium tin oxide electrode; LOD: limit of detection; MMP-2: matrix metalloproteinase-2; MMP-3: matrix mettaloproteinase-3; MWCNT: multiwalled carbon nanotubes; NT-proBNP: amino-terminal pro-brain natriuretic peptide; PSA: prostate-specific antigen; RSD: residual standard deviation; SPCE: screen-printed carbon electrode; SPE: screen-printed electrode; SPR: Surface Plasmon Resonance; SWCNT: single-walled carbon nanotubes; µPAD: microfluidic paper-based analytical device.

a

Determination of LOD: “S/N = 3”: LOD is three times the signal-to-noise ratio; “3s/m”: LOD is 3 times the standard deviation (s)/slope of calibration plot (m); “3y0+s”: LOD is 3 times the blank response (y0) plus the standard deviation (s).