Pesquisa Agropecuária Brasileira,
Год журнала:
2024,
Номер
59
Опубликована: Янв. 1, 2024
Abstract
The
objective
of
this
work
was
to
evaluate
the
use
chemometric
tools
associated
with
mid-infrared
waves
(ATR-MIR-FTIR)
determine
acidity
index
(AI)
Mauritia
flexuosa
oil
extracted
from
plants
different
locations.
Thirty
samples
were
collected
in
five
municipalities
state
Pará,
Brazil.
principal
component
analysis,
combined
Hotelling’s
T²
multivariate
control
test,
used
identify
anomalous
spectra.
ATR-MIR-FTIR
analysis
showed
that
contains
mainly
monounsaturated
acids,
including
oleic
acid,
which
is
directly
correlated
AI.
first
two
components
explained
99.93%
cumulative
variance.
statistical
methods
identified
patterns
similarities
between
a
close
AI
and
tested
an
outlier
sample
highest
application
ATR-MIR-FTIR,
methods,
appropriate
buriti
palm
samples.
Applied Sciences,
Год журнала:
2024,
Номер
14(9), С. 3591 - 3591
Опубликована: Апрель 24, 2024
The
research
focused
on
assessing
the
response
of
oxidoreductases
(dehydrogenases
and
catalase)
hydrolases
(urease,
acid
phosphatase,
alkaline
arylsulfatase,
β-glucosidase)
to
diesel
oil
(DO)
gasoline
(G)
contamination
soils
subjected
phytoremediation
with
Zea
mays.
activity
enzymes
constitutes
one
fundamental
mechanisms
for
removal
contaminants
from
soil,
which
have
potential
contaminate
not
only
soil
but
also
groundwater
water
reservoirs.
Additionally,
correlations
between
enzyme
basic
physicochemical
properties
were
determined.
interaction
perlite
dolomite
cultivated
plant
was
tested.
study
carried
out
in
a
pot
experiment,
where
contaminated
DO
or
G
artificially
treated
at
doses
0,
8
cm3,
16
cm3
kg−1.
Perlite
applied
remediation
0
10
g
kg−1
soil.
mays
found
respond
tested
pollutant
reduction
biomass.
affected
growth
this
more
than
G.
reduced
yield
aerial
parts
by
86%
74%.
negative
effects
these
pollutants
development
mitigated
both
dolomite.
exerted
greater
pressure
hydrolases,
as
well
enhanced
most
whereas
inhibited
them.
implementation
intensified
all
enzymes,
except
AcP
(acid
phosphatase)
Glu
(ß-glucosidase),
G,
improved
its
properties.
induced
less
significant
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 17, 2025
Photothermal
superhydrophobic
coatings
are
ideal
materials
for
high-viscosity
crude
oil
adsorption
or
treatment.
However,
how
to
quickly
prepare
large-scale
photothermal
real
application
is
still
a
challenge.
Here,
we
report
that
copper
foam
with
water
contact
angle
of
159.9°
can
be
prepared
using
low-cost
and
easy-to-manipulate
electroplating
method
within
only
5
min,
presenting
facile
fast
approach
fabricate
materials.
The
showed
good
physical
chemical
stability.
Importantly,
the
had
spill
characteristics,
capacity
efficiency
n-hexane
(<ρwater)
reached
6.48
g/g
99%,
respectively.
dichloromethane
(>ρwater)
9.42
99.3%,
In
addition,
possessed
property,
enabling
it
ability
adsorption,
each
gram
could
adsorb
11.326
g
oil.
excellent
performance
this
by
ultrafast
should
play
great
role
in
treatment
marine
leakage
pollution.
Water,
Год журнала:
2025,
Номер
17(8), С. 1216 - 1216
Опубликована: Апрель 18, 2025
Petroleum
hydrocarbon
contamination
has
emerged
as
a
significant
global
environmental
issue,
severely
impacting
soil
microbial
communities
and
their
functions.
This
study
employed
high-throughput
sequencing
to
systematically
analyze
the
bacterial
community
structure
functional
genes
in
soils
with
varying
levels
of
petroleum
contamination.
The
results
demonstrated
that
led
decline
diversity,
while
enhancing
abundance
specific
genes,
such
those
involved
polycyclic
aromatic
(PAH)
degradation,
methane
production,
denitrification.
Phylogenetic
analysis
further
revealed
highly
contaminated
tended
form
clustered
specialized
groups,
simultaneously
promoting
coexistence
phylogenetically
distant
microorganisms.
Mantel
test
identified
correlations
between
ammonium
ion
concentration,
moisture
content,
metabolic
pathways,
particularly
related
degradation
These
findings
suggest
not
only
disrupts
carbon
nitrogen
metabolism
balance
but
also
profound
implications
for
greenhouse
gas
emissions
cycling,
potentially
destabilizing
ecosystem.
provides
novel
insights
into
ecological
functions
petroleum-contaminated
highlights
potential
key
factors
pollution
management
restoration.
Environmental Science and Pollution Research,
Год журнала:
2024,
Номер
31(40), С. 52774 - 52783
Опубликована: Авг. 19, 2024
Abstract
The
present
work
investigated
the
effects
of
different
doses
biochar
(2.5%,
5%,
10%),
a
by-product
pyrolysis
woody
biomass,
on
growth
oat
plants
(
Avena
sativa
L.,
cv
“Danko”)
grown
under
crude
oil
concentrations
(0.5%,
1%,
2%,
3%,
6%)
added
to
soil,
evaluating
both
biometric
(i.e.
fresh
weight)
and
biochemical
i.e.
,
content
malondialdehyde
proline,
total
antioxidant
power)
parameters.
findings
indicate
that
positively
influences
weight
across
all
investigated.
On
other
hand,
regarding
oxidative
stress,
measured
by
proline
content,
led
significant
reduction,
with
statistical
significance
observed
at
>
2.5%
levels
2%
(malondialdehyde:
ranging
from
-25%
-38%;
-33%
-52%).
Soil
amendment
increased
power,
particularly
(ranging
+
20%
98%).
These
results
suggest
has
great
potential
in
mitigating
negative
contamination
plant
stress
levels,
thereby
highlighting
its
value
as
conditioner
contaminated
soils.
BIO Web of Conferences,
Год журнала:
2024,
Номер
100, С. 02007 - 02007
Опубликована: Янв. 1, 2024
Environmental
security
and
biocentric
lifestyles
are
the
approaches
that
today’s
man
must
follow
choose,
which
cause
major
environmental
problems
in
modern
times
threaten
existence
of
civilization
future.
The
soil
ecosystem,
is
one
polluted
environments,
naturally
anthropogenically
because
oil
extraction,
transportation
accidents
occurred
during
this
time.
Undoubtedly,
with
constant
increase
need
for
oil,
land
recultivation
becomes
more
urgent
than
ever
era.
Although
physical,
chemical,
biological
solutions
proposed
oil-contaminated
from
products
times,
bioremediation
a
favorable,
less
capital-intensive,
environmentally
friendly
technology
an
ecological
economic
point
view.
Thus,
main
purpose
study
to
determine
ability
micromycetes
biodegrade
petroleum
hydrocarbons
advantages
lightly
moderately
soils
using
Aspergillus
sp.-17.
Rhizopus
sp.-81,
Penicillium
sp.-94
fungal
strains
high
lipolytic
activity.
It
also
mentioned
tolerance
different
hardnesses.
