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. 2018 May 16;11:164. doi: 10.3389/fnmol.2018.00164

Table 2.

Biosensing technologies for neurodegenerative disease diagnostics and monitoring.

Disease Biomarker Application Transduction platform Sample LOD Detection time References
Inflammation IL-1β Patient monitoring Optical Patient Serum 158.5 fg/mL (PBS)
1 pg/mL (diluted serum)
<15 min (total) Song et al., 2017
IL-1β and IL-10 Patient monitoring Electrochemical Spiked in buffer 0.3 pg/mL (IL-10)
0.7 pg/mL (IL-1β)
45 min (total) Baraket et al., 2017
IL-10 Patient monitoring Electrochemical Spiked in buffer 30 min (incubation) Baraket et al., 2016
IL-6 Drug screening Electrochemical Nasopharyngeal carcinoma cell line 48 h (total) Lei et al., 2016
IL-6 Patient monitoring Electrical Spiked in buffer 1.53 pg/mL Real-time Huang et al., 2015
TNFα Patient monitoring Electrochemical Spiked Serum 60 pg/mL 20 min (incubation) Arya and Estrela, 2017
TNFα Patient monitoring Electrochemical Spiked Serum and Saliva 3.7 fg/mL 45 min (incubation) Aydin et al., 2017
IL-12 Diagnosis Electrochemical Spiked in FBS 3.5 pg/mL 20 min (incubation) Bhavsar et al., 2009
MMP-9 Patient monitoring Electrochemical Spiked in buffer 15 ng/mL - Biela et al., 2015
IFNγ Patient monitoring Electrochemical Spiked Serum 0.048 pg/mL 35 min (incubation) Zhang et al., 2016
IL-2, IL-4, IL-6, IL-10, TNFα, IFNγ Patient monitoring Optical Patient Serum 20.56 pg/mL (IL-2)
4.60 pg/mL (IL-4)
11.29 pg/mL (IL-6)
10.97 pg/mL (IL-10)
11.43 pg/mL (TNFα)
6.46 pg/mL (IFNγ)
40 min (total) Chen et al., 2015
AD 1−42 peptide Diagnosis
Patient monitoring
Electrochemical Spiked in buffer 5.2 pg/mL 10 min (incubation) Carneiro et al., 2017
Immunomagnetic Spiked in artificial CSF 5.0 pg/mL 30 min (incubation) Li et al., 2016
Electrical Spiked in buffer and plasma of mice 0.1 pg/mL 20 min (incubation) Kim et al., 2016a
Spiked in serum 1.0 pg/mL Real-time Oh et al., 2013
1−42 and total Aβ peptides Diagnosis Electrochemical Spiked in artificial CSF 5 pM 80 min (total) Liu et al., 2014
1−42 and Aβ1−40 peptides Diagnosis
Fundamental studies
Electrochemical (Multiplex) Spiked in CSF of mice 20 nM ~10 min (incubation) Prabhulkar et al., 2012
Optical (Multiplex with microfluidics) Patient CSF 3.3 pM (Aβ1−40)
3.5 pM (Aβ1−42)
- Xia et al., 2010
1−42, Aβ1−40 peptides and tau protein Diagnosis Optical Spiked in artificial plasma 34.9 fM (Aβ1−40)
26 fM (Aβ1−42)
23.6 fM (tau protein)
60 min (incubation) Kim et al., 2018
Aβ oligomer Diagnosis
Patient monitoring
Electrochemical Conditioned media of 7PA2 CHO cells 0.5 pM 20 min (incubation) Rushworth et al., 2014
Spiked in artificial CSF 100 pM 60 min (incubation) Zhou et al., 2016
Spiked in Serum and CSF 6 pM 20 min (incubation) Xing et al., 2017
Optical Spiked in buffer 0.2 nM 5 min (incubation) Xia et al., 2016
O-GlcNAc transferase activity Drug screening
Fundamental studies
Electrochemical Spiked in buffer ~120 min (total) Yang et al., 2017
Tau protein Diagnosis Electrochemical Spiked in serum 0.03 pM 25 min (incubation) Wang et al., 2017
1000 pg/mL 3 h (incubation) Dai et al., 2017
Acetylcholine Diagnosis Electrochemical Spiked in serum 4 nM 4 s (total) Chauhan et al., 2017
Spiked in buffers 10 μM 3 min (total) Moreira et al., 2017
Serum 5 nM 3 s (total) Chauhan and Pundir, 2014
Apolipoprotein E Diagnosis Electrochemical Spiked in buffer 286 nM 2h (incubation) Cheng et al., 2014
Optical Spiked in buffer 5 μg/mL 15 min (total) Sciacca et al., 2013
Fibrinogen Diagnosis Optical Patient plasma 20 ng/mL 2h (incubation) Kim et al., 2016b
BACE1 Diagnosis
Patient Monitoring
Optical Spiked plasma and cell lysates 500 fM 60 min (incubation) Vilela et al., 2017
Drug screening Optical BACE1 inhibitors Christopeit et al., 2011
PD Dopamine Diagnosis Optical Spiked in buffer 40 nM 30 min (incubation) Yildirim and Bayindir, 2014
Electrical Spiked samples 10 pM (PBS)
1 nM (Serum)
Real time (total) Park et al., 2014
Electrical Spiked in buffer 100 fM Real time (total) Lee et al., 2015
Optical Spiked in CSF 0.830 nM 5 min (incubation) Govindaraju et al., 2017
Dopamine and Uric acid Diagnosis Electrochemical Patient Serum 1 nM Yue et al., 2014
α-synuclein Diagnosis Photoelectrochemical Spiked in buffer 34 pg/mL 60 min (incubation) An et al., 2010
Thrombin Diagnosis Electrochemical Patient blood and CSF 1 fM 3h (total) Heydari-Bafrooei et al., 2016
Acetylcholinesterase Drug screening Photoelectrochemical (R)-Sal;
(R)-NMSal
Huang et al., 2013
MS Autoantibodies Diagnosis Patient monitoring Optical Patient serum 4 min (incubation) Real-Fernández et al., 2012
Electrochemical Patient serum and CSF 0.1495 ng/mL (gelatin-TiO2-MBP) 30 min (incubation) (gelatin-TiO2-MBP) Derkus et al., 2013
Myelin Basic Protein
Tau protein
Diagnosis Electrochemical Spiked serum and CSF 0.30 nM (Myelin basic protein)
0.15 nM (Tau protein)
Derkus et al., 2017

LOD, Limit of detection; Aβ, Amyloid; (R)-Sal: 1(R)- methyl-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline; (R)-NMSal: 1(R),2(N)-dimethyl-6,7-dihydroxy- 1,2,3,4-tetra-hydroisoquinoline.