IOP Conference Series Earth and Environmental Science,
Journal Year:
2024,
Volume and Issue:
1297(1), P. 012056 - 012056
Published: Feb. 1, 2024
Abstract
The
high
persistence
of
insecticides
in
soil
and
their
toxicity
to
farmers
agricultural
land
are
serious
problems
with
insecticide
application.
This
study
was
identify
characterize
residues
on
Inceptisol
the
center
horticultural
production,
Banuhampu
Agam
West
Sumatra.
determination
samples
carried
out
by
purposive
random
sampling
a
quantitative
survey
method.
Sample
testing
using
randomized
completely
block
design
(RCBD)
four
slope
levels
three
points
:
0-8%;
8-15%;
15-25%,
25-45%
fields
at
depth
0-20
cm
forests
(25-45%
slope)
as
control.
Insecticide
central
Sumatra,
identified
many
5
types,
namely:
Cypermethrin
[C
22
H
19
Cl
2
NO
3
];
Permethrin
21
20
O
Profenofos
11
15
BrClO
PS];
Phenthoate
12
17
4
PS
],
Diazinon
N
PS].
most
highly
contaminated
residue
found
0.1
mg
kg
−1
is
pyrethroid
insecticide.
effect
level
not
significant
identification
number
active
ingredients
total
concentration.
However,
highest
0-8%
each
amounted
units,
while
concentration
0.499
.
Optics Express,
Journal Year:
2024,
Volume and Issue:
32(15), P. 25789 - 25789
Published: June 25, 2024
At
present,
pesticides
are
widely
used
in
the
cultivation
of
crops.
Glyphosate
is
many
pesticides.
ingestion
can
cause
a
series
health
problems.
Therefore,
this
paper
proposes
to
use
localized
surface
plasmon
resonance
(LSPR)
technology
develop
WaveFlex
biosensor
(plasma
wave-based
optical
fiber
sensor)
detect
glyphosate
concentration
The
evanescent
field
improved
by
using
fusion
seven-core
and
single-mode
tapering
sensing
area
improve
performance.
gold
nanoparticles
(AuNPs)
excite
LSPR
effect.
Multi-walled
carbon
nanotubes
(MWCNTs)
cerium
oxide
nanorods
(CeO
In
recent
decades,
neonicotinoids
(NEOs)
have
become
widely
adopted
in
agriculture
for
the
control
of
crop
pests
and
plant
pathogens,
leading
to
improved
yields
enhanced
agricultural
productivity.
However,
prolonged
widespread
use
NEOs
has
raised
significant
concerns
regarding
their
environmental
persistence,
food
safety,
public
health
risks.
These
pesticides
been
shown
contaminate
various
compartments,
including
soil,
surface
water,
groundwater,
posing
potential
hazards
ecosystems
human
health.
Microbes
play
a
crucial
role
mitigating
impact
toxic
pesticides,
with
microbial
degradation
emerging
as
promising,
cost-effective
strategy
degrading
pesticide
residues.
Several
sulfoxaflor
(SUL)-degrading
microbes
isolated
characterized,
yet
identification
microbes,
genes,
enzymes
responsible
remains
an
area
requiring
further
investigation.
Despite
some
progress,
few
reviews
comprehensively
addressed
underlying
mechanisms
degradation.
This
paper
provides
detailed
review
research
on
distribution,
exposure
risks,
ecotoxicological
effects
NEOs,
particular
focus
fate
SUL.
It
aims
offer
novel
perspective
environment,
toxicological
effects,
impact.
Biomedical Chromatography,
Journal Year:
2024,
Volume and Issue:
38(5)
Published: Feb. 2, 2024
Abstract
Apple,
a
major
fruit
of
temperate
Himalayas,
is
sprayed
with
chemical
pesticides
around
12
times
during
the
cropping
season.
Various
systemic
and
contact
fungicides
are
applied
for
management
diseases.
In
order
to
manage
disease,
flusilazole
40
EC
frequently
used.
However,
excessive
application
has
been
found
be
detrimental
consumer
safety.
Keeping
in
view
safety,
risk
assessment,
half‐life
waiting
period
were
evaluated
on
Red
Velox
variety
apple.
The
QuEChERS
(quick,
easy,
cheap,
effective,
rugged
safe)
method
high‐performance
liquid
chromatography
adapted
sample
processing
analysis,
respectively.
recovery
percentages
at
three
fortification
levels
(0.04,
0.09
0.50
mg
kg
−1
)
98.85,
99.83
98.98%,
Flusilazole
recommended
dose
(80
g
a.i.
ha
left
an
initial
deposit
0.733
,
which
dissipated
by
93.45%
60
days
was
non‐detectable
beyond
this
period.
Meanwhile
double
(160
0.913
93.43%
70
Based
maximum
residue
limit
0.3
as
prescribed
Codex
Alimentarius
Commission,
28.74
46.03
recorded
single
doses,
Moreover,
assess
risk,
theoretical
contributions
(TMRCs)
derived
using
residues
(average
maximum)
various
time
intervals
compared
permissible
intake,
0.42
per
person
day.
average
capita
daily
consumption
6.76
apple
India,
TMRC
values
computed.
Although
decreased
below
intake
first
day
after
application,
indicating
minimal
health
risks,
fruits
carried
even
up
tenth
application.
results
present
study
will
valuable
safe
timely
use
Biotechnology and Bioengineering,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 16, 2025
The
bioaugmentation
performance
is
severely
reduced
in
the
treatment
of
high-saline
pesticide
wastewater
because
growth
and
degradation
activity
degraders
are
significantly
inhibited
by
high
salt
concentrations.
In
this
study,
a
heterologous
biodegradation
pathway
comprising
seven
genes
mpd/pnpABCDEF
responsible
for
bioconversion
p-nitrophenol
(PNP)-substituted
organophosphorus
pesticides
(OPs)
into
β-oxoadipate
encoding
Vitreoscilla
hemoglobin
(VHb)
green
fluorescent
protein
(GFP)
were
integrated
genome
salt-tolerant
chassis
Halomonas
cupida
J9,
to
generate
genetically
engineered
halotolerant
degrader
J9U-MP.
RT-PCR
assays
demonstrated
that
nine
exogenous
successfully
transcribed
mRNA
Gas
chromatography
analysis
methyl
parathion
(MP)
its
intermediates
expressed
MP
hydrolase
PNP-degrading
enzymes
PnpABCD
show
obvious
toward
specific
substrates
Stable
isotope
showed
J9U-MP
able
efficiently
convert
13C6-PNP
13CO2,
demonstrating
complete
mineralization
high-salt
media.
stable
during
passage
culture,
genomic
integration
does
not
negatively
influence
Under
oxygen-limited
conditions,
VHb-expressing
inhibition
significant
reduction
rate.
A
real-time
monitoring
system
with
enhanced
GFP
used
track
motion
bioremediation.
Moreover,
50
mg/L
(i.e.,
PNP
HQ)
completely
degraded
within
12
h
supplemented
60
g/L
NaCl.
After
3
days
incubation,
25
was
converted
13CO2
Our
results
highlight
power
synthetic
biology
creating
new
pollutant-mineralizing
strains.
strong
competitive
advantages
high-salinity
low-oxygen
environments
make
suitable
situ
OP
wastewater.
