Solid-phase
microextraction
(SPME)
has
been
widely
used
for
the
analyzing
trace
organic
pollutants
in
environmental
samples.
The
development
of
SPME
technology
depends
on
fibers
with
a
stable,
efficient,
and
selective
coating.
In
this
study,
metal-organic
frameworks
(MOFs)
were
to
fabricate
porous
carbon
membranes
situ
SPME.
composite
material
(UIO66-NH2@PAC)
was
directly
carbonized
prepare
derivative
(C-UIO66-NH2@PAC),
which
applied
extraction
off-odour
first
time.
Zr-N
co-doping
not
only
beneficial
formation
derivatized
carbon,
but
also
endowed
it
certain
hydrophilicity,
highly
advantageous
capturing
weakly
polar
compounds.
By
optimizing
desorption
conditions,
sensitive
analytical
method
developed,
exhibited
detection
limit
0.61
0.78
ng
L-1
2-methylisoborneol
(2-MIB)
geosmin
(GSM),
respectively,
along
linear
range
from
10
3000
L-1.
Both
intra-fiber
repeatability
(RSD
5.5%
3.7%)
inter-fiber
9.7%
8.8%)
satisfactory.
fiber
coated
C-UIO66-NH2@PAC
high
efficiency
(the
analytes
4.6-8.3
times
higher
than
that
commercial
fibers),
had
excellent
thermal
chemical
stability.
Finally,
C-UIO66-NH2@PAC-coated
successfully
analysis
real
water
samples,
these
results
highlighted
broad
prospect
natural/drinking
water.
ACS Sensors,
Год журнала:
2024,
Номер
9(1), С. 524 - 532
Опубликована: Янв. 5, 2024
Ultratrace
2-methylisoborneol
(2-MIB,
∼ng/L)
in
source
water
is
the
main
odorant
algae-derived
odor
episodes,
whose
accurate
on-site
detection
will
have
a
promising
application
potential.
Due
to
chemical
inertness
of
2-MIB,
sensitive
and
selective
2-MIB
remains
much
challenging.
Herein,
molecularly
imprinted
polymer
cavities
were
polymerized
on
heterostructure
Ti3C2Tx@CuFc-metal–organic
framework
selectively
capture
where
could
catalyze
probe
redox
reaction
[Fe(CN)63–/4–]
amplify
corresponding
current
signals.
The
prepared
electrochemical
sensor
showed
higher
sensitivity
than
reported
ones.
Excellent
stability,
reusability,
selectivity
for
also
verified.
linear
range
limit
our
optimized
0.0001–100
μg/L
30
pg/L,
respectively,
performing
better
sensors.
Comparable
performance
gas
chromatography–mass
spectrometry
was
achieved
when
applied
real
samples
with
or
without
standards.
Overall,
research
has
made
great
progress
an
well
advances
development
polymer-based
Water,
Год журнала:
2025,
Номер
17(7), С. 956 - 956
Опубликована: Март 25, 2025
Ensuring
safe
drinking
water
is
a
global
priority,
with
pathogen
control
being
an
essential
aspect.
Chlorine
disinfection
widely
adopted
for
its
affordability
and
potent
antimicrobial
effects.
However,
certain
bacteria,
known
as
chlorine-resistant
bacteria
(CRB),
can
still
survive
in
systems
residual
chlorine,
posing
risks
to
quality
distribution
systems.
Their
emergence,
ironically,
be
partially
attributed
the
very
application
or
increased
dosage
of
chlorine
disinfectants
cases,
which
unintentionally
promoted
selection
adaptation
CRB
environment.
Despite
their
significance,
research
on
remains
fragmented,
few
systematic
reviews
bibliometric
analyses.
Thus,
this
study
addresses
gap
by
analyzing
1367
publications
(1984–2025)
regarding
supply
(DWSSs)
using
CiteSpace.
Important
aspects
including
typical
species,
potential
risks,
resistance
mechanisms,
inactivation
methods
are
reviewed.
Contributions
from
key
countries/institutions/journals/authors
also
examined.
More
importantly,
overlooked
issues
like
CRB’s
impact
taste
odor
(T&O)
molecular
mechanisms
highlighted.
The
identification
these
gaps
motivates
further
studies
hazards,
intrinsic
control,
would
hopefully
help
delivery
high-quality,
worldwide.
ACS ES&T Engineering,
Год журнала:
2024,
Номер
4(3), С. 580 - 590
Опубликована: Янв. 12, 2024
Currently,
a
toxic
plasticizer,
di(2-ethylhexyl)
phthalate
(DEHP),
is
recognized
as
ubiquitous
pollutant
in
aquatic
environments
due
to
the
massive
utilization
of
plastics.
However,
there
still
limited
understanding
occurrence
and
treatment
DEHP
during
potable
water
lack
long-term
field
data
full-scale
process
plants
(WTPs).
In
this
study,
we
investigated
removal
six
conventional
WTPs
located
at
various
river
basins
South
Korea
from
June
2019
December
2021.
During
observation
periods,
was
found
all
samples
concentrations
ranging
0.3
8.2
μg/L.
Among
unit
processes,
positively
correlated
with
dissolved
organic
carbon
removal,
majorly
sand
filtration
GAC
process.
The
advanced
oxidation
exhibited
low
selectivity
for
efficiencies
presence
natural
matter
its
inhibition
effect.
potential
risks
on
human
health
exist
surface
drinking
supplies,
thus,
needs
be
carefully
monitored
throughout
entire
ACS ES&T Engineering,
Год журнала:
2023,
Номер
4(2), С. 478 - 487
Опубликована: Ноя. 17, 2023
Sensory
issues
have
become
the
main
obstacles
to
providing
higher-quality
drinking
water.
While
sensory
panels
identified
certain
compounds
influencing
perception,
extent
which
measured
water
quality
impacts
evaluation
at
population
scale
remains
controversial,
as
does
social
impact.
In
this
study,
an
investigation
was
conducted
across
eight
regions
in
China
with
wide
variations
quality,
and
a
novel
integrated
statistical
approach
established.
The
findings
revealed
quantitative
relationship
between
that
controlling
total
dissolved
solids
below
450
mg/L
(the
Chinese
national
standard
of
1000
mg/L)
can
potentially
improve
evaluation.
Significant
regional
differences
were
also
guide
further
action.
Given
many
people
adopted
purifiers
reshape
their
consumption,
it
is
evidenced
improving
pipeline
facilities
reducing
environmental
pollution
positive
impact
on
evaluation,
turn
enhances
willingness
drink
tap
(path
coefficient
=
0.361)
increases
consumption
(OR
1.217).
These
results
quantitatively
reveal
illustrate
promoting
eco-friendly
behavior
public
confidence
supplies.
