Materials Research Express,
Год журнала:
2024,
Номер
12(1), С. 012001 - 012001
Опубликована: Дек. 20, 2024
Abstract
As
the
world
moves
toward
greener
energy
generation
methods
and
cleaner
environments,
activated
carbon
produced
from
ligninocellulosic
resources
has
attracted
unexpected
interest
due
to
its
easy
availability,
economic,
renewable,
biodegradable
properties,
which
makes
it
a
viable
alternative
exhaustible
coal.
This
review
paper
provides
comprehensive
overview
of
systematic
procedure
develop
plant
biomass,
characterization
by
simple
techniques,
versatile
applications
carbon.
includes
role
in
environmental
remediation,
emphasizing
efficacy
removing
wide
array
pollutants,
sustainable
hydrogen
capture
storage
supercapacitors.
A
brief
comparison
key
aspects
optimal
toxicant
adsorption,
like
batch
conditions,
best-fit
model,
isotherms,
maximum
are
also
made.
To
ascertain
efficiency
supercapacitors,
their
strategy
designing
it,
output
terms
specific
capacitance,
power,
density
compared.
Journal of Agricultural and Food Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 13, 2025
Nitrite
is
an
important
chemical
intermediate
in
the
nitrogen
cycle
and
ubiquitously
present
environmental
biological
systems
as
a
metabolite
or
additive
agricultural
food
industries.
However,
nitrite
can
also
be
toxic
excessive
concentrations.
As
such,
development
of
quick,
sensitive,
portable
assays
for
its
measurement
desirable.
In
this
review,
we
summarize
working
principles
applications
surface-enhanced
Raman
spectroscopy
(SERS)
rapid,
portable,
ultrasensitive
method
detection
showcase
applicability
various
water,
food,
samples.
The
challenges
opportunities
future
developments
are
discussed.
Environmental Engineering Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 24, 2025
Anthropogenic
eutrophication
is
a
worldwide
problem,
which
easily
induced
by
excessive
nutrients
of
nitrogen
(N)
and
phosphorus
(P).
In
order
to
treat
the
simulated
water
(N
10
mg/L,
P
0.5
mg/L),
ex
situ
processes
microalgal–bacterial
granular
sludge
(MBGS)
technology
normal
aerobic
(AGS)
were
introduced
compared
in
present
study,
using
four
parallel
operated
sequencing
batch
reactors
(two
for
MBGS
with
illumination
two
AGS
without
illumination).
Results
showed
that
during
200
days
cultivation,
removal
total
inorganic
(TIN)
(TP)
could
both
reach
>80%
MBGS,
while
ended
up
removing
only
18.5–23.3%
TIN
47.4–52.5%
TP.
The
good
N
probably
due
large
expansion
filamentous
algae
phylum
Cyanobacteria.
Filamentous
growth
able
largely
enrich
lipid
content
factor
3.4–4.1
AGS.
Besides,
suspended
tests
also
conducted
all
reached
relatively
efficiency
>69%.
As
result,
proved
have
great
potential
remediation
eutrophicated
water,
achieving
excellent
purification,
promising
prospects
restoring
contaminated
bodies
as
an
process.
Life,
Год журнала:
2025,
Номер
15(3), С. 466 - 466
Опубликована: Март 14, 2025
This
study
investigates
the
effects
of
different
land-use
types
(forest,
arable
land,
and
wetland)
on
key
soil
properties,
microbial
communities,
nitrogen
cycling
in
Lesser
Khingan
Mountains.
The
results
revealed
that
forest
(FL)
wetland
(WL)
soils
had
significantly
higher
organic
matter
(SOM)
content
compared
with
land
(AL),
total
phosphorus
(TP)
being
highest
FL
available
(AN)
WL.
In
terms
enzyme
activity,
AL
WL
showed
reduced
activities
ammonia
monooxygenase
(AMO),
β-D-glucosidase
(β-G),
β-cellobiosidase
(CBH),
while
exhibiting
increased
N-acetyl-β-D-glucosaminidase
(NAG)
highlighting
impact
use
dynamics.
also
exhibited
diversity
evenness
AL.
dominant
bacterial
phyla
included
Actinobacteriota,
Proteobacteria,
Acidobacteriota,
Acidobacteriota
most
abundant
Proteobacteria
Network
analysis
complex
connected
network,
simpler
but
more
stable
networks,
suggesting
influence
community
interactions.
Regarding
genes,
AOA-amoA
was
AL,
AOB-amoA
enriched
FL,
reflecting
oxidation.
These
findings
highlight
how
affect
structures,
cycling,
offering
valuable
insights
for
sustainable
management.
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.
Revista Brasileira de Geografia Física,
Год журнала:
2025,
Номер
18(4), С. 2489 - 2501
Опубликована: Апрель 22, 2025
Os
reservatórios
por
sua
vez
são
estimados
para
equilíbrio
ambiental.
mapas
isoteóricos
ajudam
a
visualizar
mudanças
na
qualidade
da
água
nos
e
ferramentas
úteis
monitorar
parâmetros.
O
objetivo
deste
trabalho
foi
avaliar
utilização
de
geoestatísticos
como
ferramenta
gestão
utilizada
avaliação
sazonal
temporal
dos
parâmetros:
cloreto,
condutividade
elétrica,
temperatura
sólidos
totais
dissolvidos
área
Usina
Hidrelétrica
Tucuruí.
dados
foram
avaliados
em
relação
à
estatística
descritiva,
ao
teste
garantia.
isotérmicos
construídos
utilizando
o
software
Surfer
13
interpolar
distribuição
espacial
dados.
A
sazonalidade
influenciou
todos
os
parâmetros
estudados,
revelando-se
um
fator
importante
alteração
água.
pesquisa
mostrou
que
do
rio
Tocantins
é
influenciada
pela
agricultura,
principal
atividade
humana
estudo.
Mapas
importantes
podem
ser
utilizados
grandes
áreas,
hidrelétricas
Amazônia.
Sensors,
Год журнала:
2024,
Номер
24(15), С. 4824 - 4824
Опубликована: Июль 25, 2024
Excessive
ammonia
nitrogen
can
potentially
compromise
the
safety
of
drinking
water.
Therefore,
developing
a
rapid
and
simple
detection
method
for
in
water
is
great
importance.
Nickel-copper
hydroxides
exhibit
strong
catalytic
capabilities
are
widely
applied
oxidation.
In
this
study,
self-supported
electrode
made
nickel-copper
carbonate
hydroxide
was
synthesized
on
carbon
cloth
collector
via
straightforward
one-step
hydrothermal
It
exhibits
sensitivities
3.9
μA
μM
