Fluorinated
surfactants
play
an
important
role
in
droplet-based
microfluidics,
enabling
the
rapid
generation
of
uniform
droplets,
which
is
crucial
for
diverse
applications.
However,
commercial
fluorosurfactants
are
expensive
and
feature
complex
chemical
structures
that
limit
their
ability
to
confer
desired
functionalities
onto
droplets.
In
this
study,
we
employ
a
versatile
facile
strategy
using
reversible
addition–fragmentation
chain
transfer
(RAFT)
polymerization
produce
well-defined
droplets
with
facial
tunability
functionalities.
Various
types
fluorinated
have
been
prepared
investigated,
encompassing
hydrophilic
poly(2-hydroxyethyl
acrylate),
thermal-responsive
poly(N-isopropylacrylamide),
pH-responsive
poly(2-(dimethylamino)ethyl
zwitterionic
polymers.
Moreover,
our
study
demonstrates
utility
these
producing
ion-exchange
beads
through
situ
photopolymerization
precisely
controlled
sizes.
This
work
unveils
promising
designing
synthesizing
functional
surfactants,
thereby
facilitating
development
resins
potential
high-value
As
regulatory
standards
for
per-
and
polyfluoroalkyl
substances
(PFAS)
become
increasingly
stringent,
innovative
water
treatment
technologies
are
urgently
demanded
effective
PFAS
removal.
Reported
sorbents
often
exhibit
limited
affinity
frequently
hindered
by
competitive
background
substances.
Recently,
fluorinated
(abbreviated
as
fluorosorbents)
have
emerged
a
potent
solution
leveraging
fluorine-fluorine
(F···F)
interactions
to
enhance
selectivity
efficiency
in
This
review
delves
into
the
designs
applications
of
fluorosorbents,
emphasizing
how
F···F
improve
binding
affinity.
Specifically,
existence
results
removal
efficiencies
orders
magnitude
higher
than
other
counterpart
sorbents,
particularly
under
conditions.
Furthermore,
we
provide
detailed
analysis
fundamental
principles
underlying
elucidate
their
synergistic
effects
with
sorption
forces,
which
contribute
enhanced
efficacy
selectivity.
Subsequently,
examine
various
fluorosorbents
synthesis
fluorination
techniques,
underscore
importance
accurately
characterizing
through
advanced
analytical
methods,
emphasize
significance
this
interaction
developing
selective
sorbents.
Finally,
discuss
challenges
opportunities
associated
employing
techniques
guide
design
advocate
further
research
development
sustainable
cost-effective
interactions.
Water Research,
Journal Year:
2025,
Volume and Issue:
278, P. 123324 - 123324
Published: Feb. 25, 2025
Polypropylene
(PP)
is
a
key
component
of
nanoplastics
detected
globally
in
water,
which
can
carry
pollutants
through
co-transport.
In
this
regard,
the
co-transport
perfluoroalkyl
substances
(PFAS)
by
(NPs)
raises
significant
concern,
as
NPs
act
vectors
that
enhance
PFAS
uptake
and
bioaccumulation
organisms
during
co-exposure.
context,
research
has
shown
interactions
between
PFAS,
but
adsorption
mechanism
remains
still
unclear.
work,
powerful
synergic
approach
combining
several
computational
experimental
techniques
been
used
to
unveil
perfluorooctanesulfonate
(PFOS),
one
most
widespread
contaminants
emerging
concerns
(CECs)
on
PP
nanoparticles.
According
our
DFT
results,
PFOS
adsorbs
onto
outer
inner
surface
nanoparticle,
with
maximum
energy
≈
18
kcal/mol
an
mainly
governed
dispersion
forces
two
fragments.
Batch
experiments
have
confirmed
rapidly
showing
pH
reduce
capacity
thus
affecting
Moreover,
dipole
moment
PFOS-nanoparticle
complex
found
be
significantly
larger
compared
bare
resulting
more
pronounced
transport
aqueous
environment
making
PFOS-PP
nanoparticle
much
dangerous
than
nanoparticle.
Altogether,
results
allowed
us
disentangle
nanoparticles,
fundamental
step
understand
co-occurrence
such
environmental
matrices,
well
obtain
new
information
for
toxicity
risk-models
development.
Cancers,
Journal Year:
2024,
Volume and Issue:
16(5), P. 983 - 983
Published: Feb. 28, 2024
This
exploratory
narrative
review
paper
delves
into
the
intricate
interplay
between
per-
and
polyfluoroalkyl
substances
(PFAS)
exposure,
sociodemographic
factors,
influence
of
stressors
in
context
endometrial
cancer.
PFAS,
ubiquitous
environmental
contaminants
notorious
for
their
persistence
ecosystem,
have
garnered
attention
potential
to
disrupt
endocrine
systems
provoke
immune
responses.
We
comprehensively
examine
various
sources
PFAS
encompassing
household
items,
water,
air,
soil,
thus
shedding
light
on
multifaceted
routes
through
which
individuals
encounter
these
compounds.
Furthermore,
we
explore
such
as
income,
education,
occupation,
ethnicity/race,
geographical
location
relationship
cancer
risk.
also
investigated
role
stress
exposure
The
results
revealed
a
significant
impact
factors
both
levels
Stress
emerged
notable
contributing
factor
influencing
development
cancer,
further
emphasizing
importance
management
practices
overall
well-being.
By
synthesizing
evidence
from
diverse
fields,
this
underscores
need
interdisciplinary
research
targeted
interventions
address
complex
stressors,
Journal of Separation Science,
Journal Year:
2024,
Volume and Issue:
47(16)
Published: Aug. 1, 2024
The
ubiquitous
presence
and
persistence
of
per‐
polyfluoroalkyl
substances
(PFAS)
in
the
environment
have
raised
concerns
scientific
community.
Current
research
efforts
are
prioritizing
effective
PFAS
remediation
through
novel
sorbents
with
orthogonal
interaction
mechanisms.
Recognized
sorption
mechanisms
between
include
hydrophobic,
electrostatic,
fluorine‐fluorine
interaction.
interplay
these
contributes
significantly
to
improved
capacity
selectivity
separations.
In
this
study,
a
primary/secondary
amine‐functionalized
polystyrene‐divinylbenzene
(Sepra‐WAX)
polymer
was
modified
create
fluorinated
WAX
resin
(Sepra‐WAX‐KelF‐PEI).
synthesis
intermediate
(Sepra‐WAX‐KelF)
also
tested
assess
improvement
final
product
adsorption
Sepra‐WAX,
Sepra‐WAX‐KelF,
Sepra‐WAX‐KelF‐PEI,
their
interactions
were
evaluated.
effect
pH,
ionic
strength,
organic
solvents
on
aqueous
solution
investigated.
showed
varied
capacities
for
perfluorooctanoic
acid,
perfluoropentanoic
perfluoro‐n‐decanoic
hexafluoropropylene
oxide
dimer
average
extraction
four
analytes
being
Sepra‐WAX‐KelF‐PEI
(523
mg/g)
>
Sepra‐WAX
(353
Sepra‐WAX‐KelF
(220
mg/g).
provided
highest
all
tested,
proving
that
combination
electrostatic
hydrophobic/fluorophilic
is
crucial
preconcentration
its
future
applications
from
solutions.
ACS Applied Polymer Materials,
Journal Year:
2025,
Volume and Issue:
7(3), P. 1187 - 1193
Published: Feb. 3, 2025
An
important
question
remains
unresolved,
despite
extensive
studies
on
polymer-based
sorbents
for
adsorbing
poly
and
perfluoro
alkyl
substances
(PFAS):
How
does
the
positioning
of
fluorine-rich
segment
in
polymer
affect
PFAS
removal?
Herein,
we
designed
a
linear,
uncharged
triblock
copolymer
incorporating
fluorinated
moiety
backbone,
which
effectively
removed
perfluorooctanoic
acid
(PFOA)
from
water.
In
contrast,
polymers
without
fluorogenic
or
with
it
side
chains
showed
significantly
poorer
PFOA
removal.
Our
finding
suggests
that
adsorption
is
more
influenced
by
C–F···F–C
interactions
when
not
chain.
