PLoS ONE,
Journal Year:
2024,
Volume and Issue:
19(12), P. e0309228 - e0309228
Published: Dec. 3, 2024
Ammonia
is
widely
acknowledged
to
be
a
stressor
and
one
of
the
most
detrimental
gases
in
animal
enclosures.
In
livestock-
poultry-breeding
facilities,
precise,
rapid,
affordable
method
for
detecting
ammonia
concentrations
essential.
We
design
develop
an
electronic
nose
system
containing
bionic
chamber
that
imitates
nasal-cavity
structure
humans
canines.
The
sensors
are
positioned
based
on
fluid
simulation
results.
Response
data
ethanol
response/
recovery
times
sensor
under
three
collected
using
system.
classified
regressed
sparrow
search
algorithm
(SSA)-optimized
backpropagation
neural
network
(BPNN).
results
show
has
relative
mean
deviation
1.45%.
sensor’s
output
voltage
1.3–2.05
V
when
concentration
ranges
from
15
300
ppm.
gas
1.89–3.15
8
200
average
response
time
13
s
slower
than
directly
exposed
being
measured,
while
19
faster.
tests
comparing
performance
SSA-BPNN,
support
vector
machine
(SVM),
random
forest
(RF)
models,
SSA-BPNN
achieves
99.1%
classification
accuracy,
better
SVM
RF
models.
It
also
outperforms
other
models
at
regression
prediction,
with
smaller
absolute,
root
square
errors.
Its
coefficient
determination
(R
2
)
greater
0.99,
surpassing
those
theoretical
experimental
both
indicate
proposed
chamber,
used
offers
promising
approach
facilities.
Materials Today Proceedings,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 1, 2024
Ammonia
(NH3)
is
a
toxic
gas
from
various
sources,
including
industrial
waste,
agriculture,
and
other
human
activities.
The
high
concentration
can
cause
negative
impacts
on
air,
water,
soil
quality
harm
health
ecosystems.
objective
of
this
research
was
to
detect
ammonia
based
chitosan-CS/titanium
dioxide-TiO2
film.
CS
solution
supplemented
with
TiO2
in
quantities
ranging
0.01
g
0.05
g,
increments
g.
formed
films
were
characterized
using
FTIR
SEM,
the
sensing
characteristic
CS/TiO2
film-based
sensor
tested
by
varying
concentrations
(1.5,
3,
4.5,
6,
7.5)
mg/L.
SEM
analytical
results
indicated
that
loading
process
proceeded
only
through
physical
interaction.
test
demonstrate
CS-TiO2
has
higher
maximum
output
voltage
(0.223
V)
than
(0.078
when
exposed
7.5
mg/L
ammonia.
From
testing
results,
it
found
adding
0.02
have
good
sensitivity,
selectivity,
reproducibility,
fast
response,
compared
sensors.
However,
inversely
proportional
lifetime
test.
Finally,
be
concluded
Cs/TiO2
used
for
detection.
Food Science & Nutrition,
Journal Year:
2024,
Volume and Issue:
12(7), P. 5087 - 5099
Published: April 9, 2024
It
is
crucial
to
initiate
appropriate
storage
conditions
for
garlic
depending
on
its
properties.
Fungal
contamination
can
reduce
the
quality
of
through
changes
in
properties
which
result
aroma
alteration.
This
study
aimed
evaluate
effects
treatments
such
as
fungal
infection
(FI),
material
packaging
(MP),
and
duration
(SD)
various
characteristics
garlic.
An
electronic
nose
was
used
complementarily
trace
a
non-destructive
indicator.
The
PLoS ONE,
Journal Year:
2024,
Volume and Issue:
19(12), P. e0309228 - e0309228
Published: Dec. 3, 2024
Ammonia
is
widely
acknowledged
to
be
a
stressor
and
one
of
the
most
detrimental
gases
in
animal
enclosures.
In
livestock-
poultry-breeding
facilities,
precise,
rapid,
affordable
method
for
detecting
ammonia
concentrations
essential.
We
design
develop
an
electronic
nose
system
containing
bionic
chamber
that
imitates
nasal-cavity
structure
humans
canines.
The
sensors
are
positioned
based
on
fluid
simulation
results.
Response
data
ethanol
response/
recovery
times
sensor
under
three
collected
using
system.
classified
regressed
sparrow
search
algorithm
(SSA)-optimized
backpropagation
neural
network
(BPNN).
results
show
has
relative
mean
deviation
1.45%.
sensor’s
output
voltage
1.3–2.05
V
when
concentration
ranges
from
15
300
ppm.
gas
1.89–3.15
8
200
average
response
time
13
s
slower
than
directly
exposed
being
measured,
while
19
faster.
tests
comparing
performance
SSA-BPNN,
support
vector
machine
(SVM),
random
forest
(RF)
models,
SSA-BPNN
achieves
99.1%
classification
accuracy,
better
SVM
RF
models.
It
also
outperforms
other
models
at
regression
prediction,
with
smaller
absolute,
root
square
errors.
Its
coefficient
determination
(R
2
)
greater
0.99,
surpassing
those
theoretical
experimental
both
indicate
proposed
chamber,
used
offers
promising
approach
facilities.