Applied Sciences,
Journal Year:
2023,
Volume and Issue:
13(3), P. 1868 - 1868
Published: Jan. 31, 2023
The
effects
of
the
presence
perfluorocarbons
(PFC)
with
a
gas
transport
function
in
media
different
phototrophic
microorganisms
on
their
growth
rates
and
accumulation
biomass
when
using
free
immobilized
cells
as
inoculums
were
investigated.
significant
increase
average
rate
well
levels
various
PFCs
established
for
Chlorella
vulgaris
cells.
When
1
g/L
glycerol
was
introduced
into
medium
C.
cells,
9–32%.
maximum
intracellular
ATP
concentrations
corresponded
to
combination
microalgae
(Chlorella
vulgaris)
bacterial
(Pseudomonas
esterophilus
Rhodoccus
ruber)
obtained
mass
ratio
25:1.
It
provided
formation
consortium,
which
able
accumulate
amount
3
days
organophosphorus
pesticide.
data
allow,
one
hand,
predicting
under
environmental
conditions
PFC
pollution
and,
other
developing
approaches
regulation
microorganisms’
order
obtain
use
high
yields
purposes.
Despite
the
increasing
health
risks
shown
by
continuous
detection
of
organophosphate
esters
(OPEs)
in
biota
recent
years,
information
on
occurrence
and
potential
OPEs
marine
mammals
remains
limited.
This
study
conducted
first
investigation
into
body
burdens
10
traditional
(tOPEs)
five
emerging
(eOPEs)
cetacean
species
(n
=
84)
from
northern
South
China
Sea
(NSCS)
during
2005–2021.
All
OPEs,
except
for
2-ethylhexyl
diphenyl
phosphate
(EHDPHP),
were
detected
these
cetaceans,
indicating
their
widespread
NSCS.
Although
levels
∑10tOPEs
humpback
dolphins
remained
stable
2005
to
2021,
concentrations
∑5eOPEs
showed
a
significant
increase,
suggesting
growing
demand
new-generation
China.
Dolphins
proximity
urban
regions
generally
exhibited
higher
OPE
than
those
rural
areas,
mirroring
environmental
trends
occurring
this
area.
congeners,
EHDPHP,
maternal
transfer
ratio
>1,
that
dolphin
placenta
may
not
be
an
efficient
barrier
OPEs.
The
observed
correlations
between
hormones
(triiodothyronine,
thyroxine,
testosterone)
indicated
exposures
might
have
endocrine
disruption
effects
population.
Environment International,
Journal Year:
2022,
Volume and Issue:
168, P. 107443 - 107443
Published: July 30, 2022
By
use
of
an
integrated
target,
suspect,
and
non-target
screening
strategy,
we
investigated
occurrence
spatial
distribution
organophosphate
esters
(OPEs)
in
four
types
water
(drinking
resource
water,
surface
groundwater,
seawater)
collected
from
Jiangsu
Province
(China)
2021
(n
=
111).
Eighteen
out
23
target
OPEs
were
detectable
at
least
once
these
analyzed
samples,
the
total
concentrations
(Σ18OPEs)
various
samples
exhibited
a
descending
order
following
as:
groundwater
(67026
ng/L)
>
(35803
drinking
(21055
seawater
(17820
ng/L).
The
highest
concentration
detected
may
be
ascribed
to
pollution
surrounding
factories.
Among
OPEs,
triethyl
phosphate
(TEP),
tris(chloroethyl)
(TCEP),
tris
(1-chloro-2-propyl)
(TCIPP)
most
abundant
congeners
with
average
407
ng/L,
143
475
respectively.
Besides
18
further
identified
17
suspect
(3
them
fully
by
authentic
standards)
on
basis
in-house
OPE
database,
2
organophosphates
(OPs)
feature
fragments.
One
OPs
was
as
bis(2-chloroethyl)
2-chloroethylphosphonate
(B2CE2CEPP)
matching
retention
time
MS/MS
data
standard,
other
one
preliminarily
2,4,8,10-tetra-tert-butyl-6-methoxydibenzo[d,f][1,3,2]dioxaphosphepin-6-one
(TTBMDBDOPPO).
We
also
observed
that
B2CE2CEPP
shared
similar
structure
TCEP,
suggesting
they
have
toxicological
characteristics
commercial
sources.
ecological
human
health
risk
assessments
indicated
all
posed
low
or
negligible
aquatic
organisms
(algae,
crustacean,
fish),
except
for
trimethyl
(TMP)
water.
Case Studies in Chemical and Environmental Engineering,
Journal Year:
2024,
Volume and Issue:
9, P. 100685 - 100685
Published: March 12, 2024
The
high
toxicity
and
environmental
stability
of
organochlorine
pesticides
have
made
organophosphorus
(OPPs)
more
preferred
today.
Diazinon
is
one
the
most
widely
used
insecticides
in
group
OPPs,
which
has
environment
causes
neurobehavioral
side
effects
case
long-term
exposure
to
humans.
present
study
aims
fabricate
PbO2
electrocatalyst
on
a
graphite
sheet
(G/PbO2)
use
it
as
non-active
anode
for
diazinon
degradation.
effect
independent
variables
such
solution
pH,
current
applied
electrodes,
initial
concentration
reaction
time
removal
efficiency
pesticide
was
studied.
SEM
XRD
results
showed
that
lead
dioxide
crystals
β-PbO2
phase
were
formed
compact
pyramidal
clusters
surface
anode.
At
pH
8,
significantly
improved.
However,
mild
operating
conditions
(solution
=
5
0.4
A),
with
concentrations
20
100
mg/L
after
90
min
100%
70%,
respectively.
After
optimizing
intermediates
LC-MS
analysis,
proposed
degradation
pathway
mineralization
presented.
confirm
anodic
oxidation
can
be
an
effective
method
pesticide.
Journal of Fungi,
Journal Year:
2025,
Volume and Issue:
11(2), P. 85 - 85
Published: Jan. 22, 2025
Emerging
pollutants
such
as
organophosphate
flame
retardants
(OPFRs)
pose
a
critical
threat
to
environmental
and
human
health,
while
conventional
wastewater
treatments
often
fail
remove
them.
This
study
addresses
this
issue
by
evaluating
the
bioremediation
potential
of
white-rot
fungi
for
removal
two
OPFRs:
tris(2-chloroethyl)
phosphate
(TCEP)
tributyl
(TBP).
Three
fungal
species—Ganoderma
lucidum,
Trametes
versicolor,
Phanerochaete
velutina—were
screened
their
degradation
capabilities.
Among
these,
G.
lucidum
T.
versicolor
demonstrated
efficiencies
exceeding
99%
TBP,
rates
TCEP
were
significantly
lower,
with
maximum
30%.
The
exploration
enzyme
role
showed
that
cytochrome
P450
is
involved
in
extracellular
laccase
not
involved.
Continuous
batch
experiments
performed
using
trickle-bed
reactor
(TBR)
operating
under
non-sterile
conditions,
setting
closely
resembles
real-world
treatment
environments.
was
immobilized
on
oak
wood
chips,
measured
be
85.3%
54.8%
TBP
TCEP,
respectively,
over
10
cycles.
Microbial
community
analysis
remained
dominant
species
reactor.
These
findings
demonstrate
efficacy
fungal-based
bioreactors,
offering
sustainable
efficient
alternative
addressing
pollution
caused
highly
recalcitrant
pollutants.
