Biomedical Engineering Reference
In-Depth Information
Table 9.8
(
Continued
).
Materials/
methods
Transducer
Target analyte
Main performance
Ref.
Chemicapacitor
+ chemiresistor
SWCNTs
Acetone, NH
,
CR: 0-2% Chem. vapors
CR: 0-2 ppm DMMP
Rst: <20 s
[160]
3
DMMF, DMP
Resonator
circuit
SWCNTs
Polar gases:
NH
CR: 0-2000 ppm
OF: 3.88 GHz
DL: 100 ppm
Rst: <10 min
[300]
, CO
Nonpolar gases:
He, Ar, N
3
, O
2
2
Standard silica
optical fiber
SWCNT
LB film
multilayer
onto CdA
Alcohols
S: 230 Hz/59 mmHg
Ethanol
OT: RT; Rst: <2 min
[153]
Standard silica
optical fiber
(
SWCNT LB
film
H
LEL: <5% in air
Cryogenic Temperat.:
113 K
Rst: <5 min; Rct: <11 min
[302]
2
l
= 1310 nm)
Standard silica
optical fiber
(
SWCNT LB
film
Toluene,
m-Xylene
CR: 5-90 ppm; OT: RT
S: 8.3
[303]
×
10
−4
/ppm (m-
l
= 1310 nm)
Xylene)
S: 3.5
×
10
−4
/ppm
(Toluene)
Rst: <8 min; Rct: <10 min
Standard silica
optical fiber
(
SWCNT LB
film
Toluene
in water
CR: 20-80 ppm
S: 1.2
[304]
×
−4
/ppm
DL: 5 ppm; OT: RT
Rst: <20 min; Rct: <4 min
10
l
= 1310 nm)
l
Hollow-core
optical fiber
SWCNT LB
film
Tetrahydrofuran
Opt. range (
): 1520-
[305]
1620 nm
CR: 180-300 ppm
S: 4.6
×
−6
/ppm
DL: 40 ppm; OT: RT
Rst: <15 min;
Rct: <30 min
10
IR emitting
device
SWCNTs
Glucose
CR: 1-10 mM
Glucose detection in
biological solutions
[307]
MEMS
Individual
SWCNTs
NO
180 ppm; Rst: a few
minutes
[309]
2
MEMS
SWCNT film CO
CR: 0-15% vol.;
Linearity; RT
S: 350 Hz/vol.%
DL: 0.2% vol.
[310]
2
MEMS
SWCNT-PPy
composite
film
Glucose
CR: 0-20 mM
S: 2.6
[311]
×
10
−3
S cm
−1
/mM;
RT
DL: <1 mM
DL = detection limit; S = sensitivity; CR = concentration range; Rst = response time;
Rct = recovery time; OT = operating temperature; LIN = linearity range;
OF = operating frequency.
