ACS Sensors,
Journal Year:
2024,
Volume and Issue:
9(12), P. 6553 - 6562
Published: Nov. 26, 2024
Green
leaf
volatiles
(GLVs)
are
organic
compounds
emitted
by
plants
in
response
to
insect
attacks,
offering
early
detection
potential.
Current
GLV
methods
like
gas
chromatography–mass
spectroscopy
(GC-MS)
costly
and
complex
lack
real-time
monitoring
capability.
There
is
an
unmet
need
for
affordable
portable
sensors
with
high
sensitivity
monitor
GLVs
real
time.
In
this
study,
we
developed
a
novel
sensor
capable
of
capturing
piezoelectric
colorimetric
signals
the
sensitive
selective
1-hexanol,
well-known
green
volatile.
We
used
micro
quartz
tuning
fork
(MQTF)
as
multifunctional
transducer.
The
MQTF's
two
prongs
were
coated
metal–organic
framework
(MOF)-thymol
blue
hybrid
sensing
material,
enabling
through
both
color
change
resonating
frequency
shift
upon
1-hexanol
binding.
MOFs
offer
surface
area
tunable
pore
size,
which
enhance
selectivity.
sensor's
indicates
mass
due
binding
MOFs,
while
signal
relies
on
thymol
blue's
reaction
1-hexanol.
Our
test
results
demonstrate
ability
detect
from
62.5
ppb
250
ppm
selectivity
when
integrated.
Due
its
compact
affordability,
easy
fabrication,
wide
range,
selectivity,
colorimetric-piezoelectric
could
serve
effective
tool
herbivore
attacks
timely
crop
protection
strategies.
ACS Nano,
Journal Year:
2023,
Volume and Issue:
17(6), P. 5211 - 5295
Published: March 9, 2023
Humans
rely
increasingly
on
sensors
to
address
grand
challenges
and
improve
quality
of
life
in
the
era
digitalization
big
data.
For
ubiquitous
sensing,
flexible
are
developed
overcome
limitations
conventional
rigid
counterparts.
Despite
rapid
advancement
bench-side
research
over
last
decade,
market
adoption
remains
limited.
To
ease
expedite
their
deployment,
here,
we
identify
bottlenecks
hindering
maturation
propose
promising
solutions.
We
first
analyze
achieving
satisfactory
sensing
performance
for
real-world
applications
then
summarize
issues
compatible
sensor-biology
interfaces,
followed
by
brief
discussions
powering
connecting
sensor
networks.
Issues
en
route
commercialization
sustainable
growth
sector
also
analyzed,
highlighting
environmental
concerns
emphasizing
nontechnical
such
as
business,
regulatory,
ethical
considerations.
Additionally,
look
at
future
intelligent
sensors.
In
proposing
a
comprehensive
roadmap,
hope
steer
efforts
towards
common
goals
guide
coordinated
development
strategies
from
disparate
communities.
Through
collaborative
efforts,
scientific
breakthroughs
can
be
made
sooner
capitalized
betterment
humanity.
Sensors,
Journal Year:
2023,
Volume and Issue:
23(20), P. 8648 - 8648
Published: Oct. 23, 2023
With
a
rising
emphasis
on
public
safety
and
quality
of
life,
there
is
an
urgent
need
to
ensure
optimal
air
quality,
both
indoors
outdoors.
Detecting
toxic
gaseous
compounds
plays
pivotal
role
in
shaping
our
sustainable
future.
This
review
aims
elucidate
the
advancements
smart
wearable
(nano)sensors
for
monitoring
harmful
pollutants,
such
as
ammonia
(NH3),
nitric
oxide
(NO),
nitrous
(N2O),
nitrogen
dioxide
(NO2),
carbon
monoxide
(CO),
(CO2),
hydrogen
sulfide
(H2S),
sulfur
(SO2),
ozone
(O3),
hydrocarbons
(CxHy),
fluoride
(HF).
Differentiating
this
from
its
predecessors,
we
shed
light
challenges
faced
enhancing
sensor
performance
offer
deep
dive
into
evolution
sensing
materials,
substrates,
electrodes,
types
sensors.
Noteworthy
materials
robust
detection
systems
encompass
2D
nanostructures,
nanomaterials,
conducting
polymers,
nanohybrids,
metal
semiconductors.
A
dedicated
section
dissects
significance
circuit
integration,
miniaturization,
real-time
sensing,
repeatability,
reusability,
power
efficiency,
gas-sensitive
material
deposition,
selectivity,
sensitivity,
stability,
response/recovery
time,
pinpointing
gaps
current
knowledge
offering
avenues
further
research.
To
conclude,
provide
insights
suggestions
prospective
trajectory
nanosensors
addressing
extant
challenges.
Smart Agricultural Technology,
Journal Year:
2024,
Volume and Issue:
8, P. 100517 - 100517
Published: July 29, 2024
As
per
the
FAO,
insect
pest
causes
30
to
40
percent
loss
every
year
across
globe.
The
identification,
classification
and
management
of
is
very
important
avoid
significant
loss.
Practicing
above
process
by
adopting
manual
methods
are
time
consuming
less
effective
achieve
task.
traditional
often
fall
short
in
addressing
dynamic
behaviours,
resulting
crop
losses
increased
chemical
usage.
Therefore,
adoption
Artificial
Intelligence
(AI)
techniques
identification
act
as
a
good
substitute
that
arises
from
challenges
posed
evolving
populations
desire
for
sustainable
agricultural
practices.
AI
offers
transformative
approach
utilizing
advanced
algorithms
analyse
intricate
data
patterns
numerous
sources
like
sensors
imagery.
This
enables
accurate
early
detection,
predictive
modelling,
enhancing
decision-making
control,
minimizing
indiscriminate
pesticide
application
optimizing
interventions.
not
only
reduces
economic
but
also
promotes
eco-friendly
strategies
efficient
resilient
systems.
present
review
an
endeavour
explain
intermingling
future
scope
management.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(2), P. 499 - 499
Published: Jan. 9, 2025
Nanocrystalline
TiO2
is
a
perspective
semiconductor
gas-sensing
material
due
to
its
long-term
stability
of
performance,
but
it
limited
in
application
because
high
electrical
resistance.
In
this
paper,
nanocomposite
with
p-p
heterojunction
introduced
based
on
p-conducting
Cr-doped
combination
Cr2O3.
Materials
were
synthesized
via
single-step
flame
spray
pyrolysis
(FSP)
technique
and
comprehensively
studied
by
X-ray
diffraction
(XRD),
Brunauer-Emmett-Teller
(BET)
specific
surface
area
analysis,
transition
electron
microscopy
(TEM),
energy
dispersive
(EDX)
spectroscopy,
photoelectron
spectroscopy
(XPS),
paramagnetic
resonance
(EPR),
Raman
spectroscopy.
Gas
sensor
performance
direct
current
(DC)
mode
was
toward
number
gasses
(H2,
CO,
CH4,
NO2,
H2S,
NH3)
as
well
volatile
organic
compounds
(VOCs)
(acetone,
methanol,
formaldehyde)
dry
humid
conditions.
The
the
obtained
materials'
gas
evaluated
alongside
an
ex
situ
study
structural
evolution.
High
sensitivity
oxygenated
VOCs
lower
detection
limit
below
ppm
level
influence
humidity
shown.
materials
connection
defect
structure
doped
demonstrated.
Journal of Basic Microbiology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 25, 2025
ABSTRACT
Pests
and
diseases
have
a
significant
impact
on
crop
health
yields,
posing
serious
threat
to
global
agriculture.
Effective
management
strategies,
such
as
integrated
pest
(IPM),
including
rotation,
use
of
synthetic
pesticides,
biological
control,
resistant/tolerant
varieties,
are
essential
mitigate
these
risks
ensure
sustainable
agricultural
practices.
Fungal
bioagents
play
an
important
role
in
managing
phytopathogens
insect
pests
by
acting
agents.
They
promote
healthy
plant
growth
enhancing
the
uptake
nutrients
combating
systemic
resistance
plants.
Furthermore,
fungal
environmentally
friendly,
reducing
application
fungicides
insecticides
minimizing
their
negative
crops
environment.
Their
IPM
promotes
agriculture
ensures
high‐quality
while
maintaining
soil
microbial
biodiversity.
These
rich
sources
volatile
organic
compounds
(VOCs),
which
communication
during
interaction
with
phytopathogens.
In
management,
VOC
production
beneficial
fungi
is
accountable
for
efficacy
against
pathogens.
Thus,
this
review
discusses
producing
VOCs,
extraction
methods
VOC,
VOC‐producing
disease
knowledge
gaps,
future
research
areas.
Botany,
Journal Year:
2023,
Volume and Issue:
101(7), P. 200 - 231
Published: May 24, 2023
Botrytis
cinerea
is
a
widespread
necrotrophic
plant
pathogen
that
causes
diseases
on
>1000
species,
including
vegetables
and
ornamental
greenhouse
crops.
On
cannabis
(
Cannabis
sativ
L.),
the
responsible
for
causing
“bud
rot”,
major
disease
affecting
inflorescences
(compound
flowers),
as
well
seedling
damping-off
leaf
blight
under
certain
conditions.
During
cultivation,
can
destroy
rapidly
optimal
relative
humidity
conditions
(>70%)
moderate
temperatures
(17–24
°C).
Little
currently
known
about
host–pathogen
interactions
of
cannabis.
Information
gleaned
from
other
hosts
provide
valuable
insights
comparative
purposes
to
understand
development,
epidemiology,
pathogenicity
This
review
describes
pathogenesis
host
responses
infection
assesses
potential
mechanisms
involved
in
resistance.
The
effects
microclimatic
environmental
strategies
early
detection
using
prediction
models,
application
biological
control
agents
prevent
development
are
discussed.
Other
management
approaches
reduce
impact
bud
rot
also
reviewed.
Numerous
opportunities
conducting
additional
research
better
cannabis–
interaction
identified.
Journal of Agricultural and Food Chemistry,
Journal Year:
2024,
Volume and Issue:
72(7), P. 3664 - 3672
Published: Feb. 6, 2024
Gas
chromatography
ion-mobility
spectrometry
(GC-IMS)
technology
is
drawing
increasing
attention
due
to
its
high
sensitivity,
low
drift,
and
capability
for
the
identification
of
compounds.
The
noninvasive
detection
plant
pests
pathogens
an
application
area
well
suited
this
technology.
In
work,
we
employed
GC-IMS
early
Fusarium
basal
rot
in
brown
onion,
red
shallot
bulbs
tracking
disease
progression
during
storage.
volatile
profiles
infected
healthy
control
were
characterized
using
gas
chromatography-time-of-flight
mass
(GC-TOF-MS).
data
combined
with
principal
component
analysis
supervised
methods
provided
discrimination
between
as
1
day
after
incubation
pathogen,
classification
regarding
proportion
a
sample,
prediction
infection's
duration
average
Advanced Sustainable Systems,
Journal Year:
2022,
Volume and Issue:
7(2)
Published: Dec. 8, 2022
Abstract
Flexible
plant‐wearable
sensors
show
great
potential
for
precise
and
intelligent
monitoring
of
real‐time
physical
chemical
signals
in
forestry
seedlings
to
optimize
their
growth
environment,
increase
carbon
sequestration,
promote
underforest
ecosystems.
Furthermore,
can
help
prevent
threats
such
as
forest
ecological
deterioration,
diseases,
insect
pests.
Herein,
recent
advances
emerging
used
applications
including
the
plant
physiological
metabolism
seedling
cultivation,
early
warning
pest
disease,
prevention
fire,
growing
environment
trees
are
reviewed.
Typical
sensing
technologies,
designs,
structural
compositions,
principles
wearables
highlighted.
Current
technical
bottlenecks
wireless
system
self‐powered
energy
supply
strategies
also
discussed
terms
practical
application.
Finally,
research
directions
challenges
flexible
explored
detail.
