Applied Microbiology,
Год журнала:
2025,
Номер
5(1), С. 10 - 10
Опубликована: Янв. 21, 2025
The
aim
of
the
author
is
to
propose
a
change
approach
management
fluorinated
pollutants
in
waste
and
water
streams,
which
linear
treatment
could
be
replaced
by
integration
synergistic
system
including
biological
treatments
focus
on
secondary
streams
produced
conventional
less
technological
solutions
order
avoid
translation
problem
or,
even
worse,
production
equally
harmful
compounds
[...]
Applied Sciences,
Год журнала:
2024,
Номер
14(19), С. 8611 - 8611
Опубликована: Сен. 24, 2024
Per-
and
polyfluoroalkyl
substances
(PFAS)
are
diverse
synthetic
chemicals
manufactured
over
seven
decades.
It
is
an
aliphatic
molecule
with
a
basic
hydrophobic
structure
of
carbon
fluorine
linked
to
hydrophilic
end
group.
Due
their
physicochemical
properties
associated
the
unique
structure,
PFAS
has
been
used
in
wide
variety
applications
including
aqueous
film-forming
foams
(AFFF),
paper,
carpets,
non-stick
cookware,
etc.
as
they
make
products
resistant
water,
heat,
stains.
These
molecules
have
drawn
great
attention
recently
for
properties,
high
stability
low
degradability,
so-called
“Forever
Chemicals”.
strongest
carbon-fluorine
bond
which
makes
them
persistent
environment.
Hence
it
contaminates
natural
resources
endangers
public
health.
This
review
discusses
discovery,
development,
evolution
from
wonder
chemical
era
nightmare
era,
exposure
its
impacts
on
human
health
environment,
current
remediation
techniques,
future
trends
related
products.
The
primary
objective
this
identify
knowledge
gaps
contamination,
methods,
possible
alternatives.
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(45), С. 20235 - 20244
Опубликована: Окт. 31, 2024
Per-
and
polyfluoroalkyl
substances
(PFAS)
are
ubiquitous
environmental
contaminants
that
often
co-occur
with
heavy
metals.
Despite
their
prevalence,
the
mobility
of
PFAS
in
complex,
multicomponent
systems,
particularly
at
molecular
scale,
remains
poorly
understood.
The
vast
diversity
low
concentrations
alongside
anthropogenic
natural
underscore
need
for
integrating
mechanistic
insights
into
sorption
models.
This
study
explores
influence
metal
cations
(Cu(II),
Cd(II),
Fe(II))
on
adsorption
four
common
(PFOA,
PFOS,
PFDA,
GenX)
onto
goethite
(α-FeOOH),
a
iron
(oxyhydr)oxide
both
aquatic
terrestrial
environments.
was
highly
dependent
type,
pH,
ion
concentration,
surface
complexation
model
effectively
predicting
these
interactions.
Cu(II)
Cd(II)
enhanced
PFOS
PFDA
via
ternary
while
slightly
reducing
PFOA
GenX
adsorption.
Under
anoxic
conditions,
Fe(II)
significantly
increased
all
PFAS,
showing
reactivity
greater
than
those
Cd(II).
Additionally,
organic
matter
mobility,
although
groundwater
may
counteract
this
by
enhancing
retention.
These
findings
highlight
key
role
transport
offer
critical
behavior
oxic-anoxic
interfaces.
Journal of Mass Spectrometry,
Год журнала:
2025,
Номер
60(2)
Опубликована: Янв. 14, 2025
Perfluoroalkyl
and
polyfluoroalkyl
substances
(PFAS)
are
a
class
of
emerging
contaminants
that
have
been
in
use
industrially
since
the
1940s.
Their
long-term
extensive
commercial
has
led
to
their
ubiquitous
presence
environment.
The
ability
measure
bioconcentration
distribution
PFAS
tissue
aquatic
organisms
helps
elucidate
persistence
as
well
environmental
impacts.
Traditional
analysis
by
LC-MS/MS
can
total
concentrations
within
an
organism
but
cannot
provide
comprehensive
spatial
information
regarding
organism.
In
current
study,
we
used
infrared
matrix-assisted
laser
desorption
electrospray
ionization
(IR-MALDESI)
determine
limit
detection
(LOD)
several
utilizing
standard
mix
spotted
on
mouse
liver
tissue.
traditional
ice
matrix
alternative
matrix,
1,8-bis
(tetramethylguanidino)naphthalene
(TMGN),
were
explored
when
determining
limits
for
various
IR-MALDESI.
alone
resulted
higher
response
than
combination
TMGN
ice.
resulting
LOD
perfluorooctane
sulfonic
acid
(PFOS)
per
voxel
basis
was
0.16
fmol/voxel.
For
comparison,
zebrafish
exposed
perfluorooctanoic
(PFOA),
PFOS,
perfluorohexanesulfonic
(PFHxS)
at
different
homogenized,
extracted
solid-liquid
extraction,
purified
solid
phase
analyzed
level
bioaccumulation
zebrafish.
PFOS
highest
(731.9
μg/kg,
or
234.2
fg/voxel).
A
had
mixture
PFOA
(250
ng/L),
PFHxS
(125
ng/L)
cryosectioned
Images
could
not
be
generated
accumulation
sectioned
below
technique.
Applied Microbiology,
Год журнала:
2025,
Номер
5(1), С. 10 - 10
Опубликована: Янв. 21, 2025
The
aim
of
the
author
is
to
propose
a
change
approach
management
fluorinated
pollutants
in
waste
and
water
streams,
which
linear
treatment
could
be
replaced
by
integration
synergistic
system
including
biological
treatments
focus
on
secondary
streams
produced
conventional
less
technological
solutions
order
avoid
translation
problem
or,
even
worse,
production
equally
harmful
compounds
[...]
