Advanced Materials Technologies,
Год журнала:
2024,
Номер
9(7)
Опубликована: Фев. 4, 2024
Abstract
Transferring
the
concept
of
chemical‐driven
responses
into
artificial
intelligence
technology
holds
key
to
mimicking
olfactory
for
neuromorphic
computing
chemical
recognition.
Currently,
systems
are
designed
based
on
sensor
arrays.
Time‐dependent
arrays
processed
by
neural
networks
However,
sensors
generate
instantly
volatile
responses,
and
algorithms
processing
time‐dependent
have
not
been
involved.
The
recognition
accuracy
speed
severely
impeded.
A
array
can
only
achieve
an
90%
after
at
least
5
training
epochs.
Herein
chemical‐resistant
synapse
consisting
3D
hierarchical
WO
3
@WO
nanofibers
demonstrated.
exhibit
persistent
resistance
through
exposures
due
strong
chemisorption
water
molecules.
Typical
synaptic
behaviors
including
paired‐pulse
facilitation,
long‐term
−1
short‐term
memory,
learning
experience
achieved.
Next,
a
recurrent
network
that
is
committed
data
used
identify
gas‐phase
chemicals
3‐hydroxy‐2‐butanone,
triethylamine,
trimethylamine.
Training‐free
gas
has
realized
nanofiber
only,
in
which
above
first
epoch.
results
great
potential
satisfy
stringent
performance
requirements
perception
systems.
Nano-Micro Letters,
Год журнала:
2023,
Номер
15(1)
Опубликована: Май 24, 2023
Abstract
Breathing
is
an
inherent
human
activity;
however,
the
composition
of
air
we
inhale
and
gas
exhale
remains
unknown
to
us.
To
address
this,
wearable
vapor
sensors
can
help
people
monitor
in
real
time
avoid
underlying
risks,
for
early
detection
treatment
diseases
home
healthcare.
Hydrogels
with
three-dimensional
polymer
networks
large
amounts
water
molecules
are
naturally
flexible
stretchable.
Functionalized
hydrogels
intrinsically
conductive,
self-healing,
self-adhesive,
biocompatible,
room-temperature
sensitive.
Compared
traditional
rigid
sensors,
hydrogel-based
humidity
directly
fit
skin
or
clothing,
more
suitable
real-time
monitoring
personal
health
safety.
In
this
review,
current
studies
on
investigated.
The
required
properties
optimization
methods
introduced.
Subsequently,
existing
reports
response
mechanisms
summarized.
Related
works
their
application
safety
presented.
Moreover,
potential
field
sensing
elucidated.
Finally,
research
status,
challenges,
future
trends
hydrogel
gas/humidity
discussed.
Nature Communications,
Год журнала:
2022,
Номер
13(1)
Опубликована: Янв. 10, 2022
Abstract
Object
recognition
is
among
the
basic
survival
skills
of
human
beings
and
other
animals.
To
date,
artificial
intelligence
(AI)
assisted
high-performance
object
primarily
visual-based,
empowered
by
rapid
development
sensing
computational
capabilities.
Here,
we
report
a
tactile-olfactory
array,
which
was
inspired
natural
sense-fusion
system
star-nose
mole,
can
permit
real-time
acquisition
local
topography,
stiffness,
odor
variety
objects
without
visual
input.
The
information
processed
bioinspired
olfactory-tactile
associated
machine-learning
algorithm,
essentially
mimicking
biological
fusion
procedures
in
neural
mole.
Aiming
to
achieve
identification
during
rescue
missions
challenging
environments
such
as
dark
or
buried
scenarios,
our
intelligent
could
classify
11
typical
with
an
accuracy
96.9%
simulated
scenario
at
fire
department
test
site.
bionic
required
no
input
showed
superior
tolerance
environmental
interference,
highlighting
its
great
potential
for
robust
difficult
where
methods
fall
short.
ACS Sensors,
Год журнала:
2023,
Номер
8(3), С. 994 - 1016
Опубликована: Фев. 27, 2023
The
traditional
sensors
are
designed
based
on
the
"lock-and-key"
strategy
with
high
selectivity
and
specificity
for
detecting
specific
analytes,
which
however
not
suitable
multiple
analytes
simultaneously.
With
help
of
pattern
recognition
technologies,
sensor
arrays
excel
in
distinguishing
subtle
changes
caused
by
multitarget
similar
structures
a
complex
system.
To
construct
array,
sensing
elements
undoubtedly
indispensable
units
that
will
selectively
interact
targets
to
generate
unique
"fingerprints"
distinct
responses,
enabling
identification
among
various
through
methods.
This
comprehensive
review
mainly
focuses
construction
strategies
principles
elements,
as
well
applications
array
detection
target
wide
range
fields.
Furthermore,
present
challenges
further
perspectives
discussed
detail.
RSC Advances,
Год журнала:
2024,
Номер
14(19), С. 12984 - 13004
Опубликована: Янв. 1, 2024
In
recent
years,
flexible
conductive
materials
have
attracted
considerable
attention
for
their
potential
use
in
energy
storage
devices,
touch
panels,
sensors,
memristors,
and
other
applications.
Journal of Bioresources and Bioproducts,
Год журнала:
2022,
Номер
8(1), С. 15 - 32
Опубликована: Ноя. 10, 2022
As
the
most
abundant
natural
polymer
material
on
earth,
cellulose
is
a
promising
sustainable
sensing
due
to
its
high
mechanical
strength,
excellent
biocompatibility,
good
degradation,
and
regeneration
ability.
Considering
inherent
advantages
of
success
modern
sensors,
applying
sensors
has
always
been
subject
considerable
investigation,
significant
progress
made
in
recent
decades.
Herein,
we
reviewed
research
functional
materials
(CFMs)
years.
According
different
sources
cellulose,
classification
preparation
methods
for
design
functionalization
were
summarized
with
emphasis
relationship
between
their
structure
properties.
Besides,
applications
advanced
based
CFMs
years
also
discussed.
Finally,
potential
challenges
prospects
development
sensor
outlined.
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(29)
Опубликована: Апрель 1, 2022
Manipulation
of
a
multi-physical
quantity
to
steer
molecular
photophysical
property
is
great
significance
in
improving
sensing
performance.
Here,
an
investigation
on
how
physical
rooted
the
structure
induces
optical
behavior
change
facilitate
ultrasensitive
detection
ethylenediamine
(EDA)
performed
by
varying
set
thiols.
The
model
molecule
consisting
thiol
with
dual-carboxyl
exhibits
strongest
fluorescence,
which
ascribed
electron-donating
ability
and
prompted
larger
orbital
overlap
oscillator
strength.
elevated
fluorescence
positively
corelated
increased
EDA,
endowing
response
nanomolar-liquid/ppm-vapor.
A
gas
detector
superior
performance
fulfills
contactless
real-time
management
EDA.
We
envisage
this
electron-tuning
strategy-enabled
enhancement
can
offer
in-depth
insight
advancing
molecule-customized
design,
further
paving
way
widening
applications.
ACS Nano,
Год журнала:
2022,
Номер
16(9), С. 14297 - 14307
Опубликована: Авг. 31, 2022
As
a
class
of
important
artificial
olfactory
system,
the
colorimetric
sensor
array
possesses
great
potential
for
commercialization
due
to
its
cost-effectiveness
and
portability.
However,
when
applied
practical
applications,
humidity
interference
from
ambient
environment
dissatisfactory
sensitivity
trace
target
VOCs
are
largely
unsolved
problems.
To
overcome
problems,
we
developed
series
dye/MOFs@COFs
gas-sensing
materials
with
core-shell
structure
using
hydrophobization
strategy
by
encapsulation
dye/metal-organic
frameworks
(MOFs)
into
hydrophobic
covalent
organic
(COFs).
Benefiting
property
COF
shell,
composites
were
endowed
excellent
humidity-resistance
even
under
100%
relative
(RH).
Moreover,
uniform
distribution
dyes
on
porous
MOFs,
sensors
also
exhibited
improved
at
sub-ppm
level,
compared
conventional
dye
sensors.
On
basis
sensitivity,
an
based
was
proven
be
successful
application
in
early
accurate
detection
wheat
scab
(1
day
after
inoculation)
monitoring
released
VOC
markers.
The
synthetic
is
applicable
wide
range
arrays,
endowing
them
feasibility
applications.
ACS Nano,
Год журнала:
2022,
Номер
16(11), С. 18421 - 18429
Опубликована: Окт. 25, 2022
Benefiting
from
the
stimuli-responsive
property
and
powerful
loading
capacity,
functionalized
hydrogels
are
favorable
for
fabrication
of
sensing
devices.
Herein,
we
design
aggregation-induced
emission
(AIE)-active
hydrogel
discs
by
embedding
gold
nanoclusters@zeolite-like
imidazole
framework
(AuNCs@ZIF)
composites
in
double-network
to
build
a
sensitive
pesticide
biosensor.
The
integrate
an
AIE
effect
AuNCs,
ZIF,
porous
network
structure
hydrogel,
which
enhances
sensitivity
via
boosting
stable
fluorescent
signal
antifouling
performance.
In
conjunction
with
homemade
device,
fluorescence
images
could
be
transduced
into
data
information
accurate
quantification
chlorpyrifos
detection
limit
0.2
ng/mL.
dynamic
degradation
Chinese
cabbage
is
demonstrated
confirm
practical
application
discs.
Such
AIE-active
plant
health
sensor
on-site
residues
on
crops,
holding
great
promise
precision
agriculture.
