Biomedical Engineering Reference
In-Depth Information
Table 9.9
(
Continued
).
Materials/
Methods
Analyte
Transducer
Main Performance
Ref.
Toluene,
m-Xylene
SWCNT LB film QCM 10 MHz CR: 0-100 ppm
S: 1-2 Hz/ppm
DL: <10 ppm; OT: RT
Rst: <10 min
Rct: <15 min
[294]
Ethanol,
Ethylacetate,
Toluene
SWCNT/CdA
nanocomposite
LB film
SAW at
315, 433 MHz
CR: 1-500 ppm
S: ~40 Hz/ppm
DL: ~1 ppm; OT: RT
Rst: <1 min; Rct: <10 min
[113]
Ethanol,
Ethylacetate,
Toluene
SWCNT/CdA
nanocomposite
LB film
at tailored CNT
filler
SAW 433 MHz
QCM 10 MHz
CR: 1-500 ppm
SSAW: 20-140 Hz/ppm
SQCM: 0.05 - 0.35 Hz/ppm
DL: ~1 ppm; OT: RT
Rst: <2 min; Rct: <10 min
[179]
VOCs
SWCNT/CdA
nanocomposite
LB film
TFBAR
at 1.045 GHz
CR: 50-500 ppm
S: 10-20 kHz/ppm
DL: <10 ppm; OT: RT
Rst: <2-3 min; Rct: <60
min
[292]
Ethanol,
m-Xylene,
NO
SWCNT/CdA
nanocomposite
LB film
Silica
Optical Fiber
at
CR: 1-80 ppm
S: ~8%/26 ppm m-Xylene
DL: <10 ppm; OT: RT
Rst: <10 min
Rct: <60 min
[180]
l
= 1310 nm
2
THF
SWCNT LB film Hollow-core
optical fiber
CR: 180-300 ppm
S: 4.6
[305]
×
10
−6
/ppm
DL: <40 ppm; OT: RT
Rst: <15 min; Rct: <30 min
VOCs
MPP-modified
MWCNT
networks
Chemiresistor CR: 10-1000 ppm
S: (0.1-10)
[231]
%/ppm
DL: <10 ppm; OT: RT
Rst: <2 min; Rct: <10 min
×
10
−3
Nitrotoluene SWCNT network
by casting
Chemiresistor CR: 0-165 ppm
S: <0.03%/ppm
DL: 262 ppb; OT: RT
Rst: <1 min
Rct: <10 h (UV light)
[28]
DMMP
SWCNT network
with polymer
filter
FET
CR: NS
S:
[151]
~1.5/1 ppb
DL: 1 ppb; OT: RT
Rst: <15 min
Rct: <40 min
∆
R
/
R
Vapors,
DMP, DMMP
SWCNT network
Chemicapacitor
+ chemiresistor
CR: 0-2% (Vapors)
CR: 0-2 ppm DMMP
S:
[160]
∆
G
∆
C
selective
parameter
DL: <0.5 ppb; OT: RT
Rst: <20 s
Rct: <30 s
/
