Abstract
Covalent
organic
frameworks
(COFs),
newly
developed
materials,
exhibit
considerable
promise
in
the
field
of
catalysis.
COFs
captivating
catalytic
characteristics,
including
thermal
and
chemical
stability,
customizable
porosities,
ability
to
place
active
sites
flexibly
with
tunable
functions.
To
establish
a
connection
between
structure
activity,
this
paper
provides
thorough
justification
planned
creation
covalent
for
photocatalysis,
encompassing
H
2
production,
carbon
dioxide
reduction,
pollutants
reduction
transformation
substances.
We
have
investigated
that
are
within
frameworks,
metals,
molecular
catalysts,
catalyst
single
atom
(SACs);
reactive
skeleton/linkages;
pendant
groups.
This
exploration
aims
benefits
using
COF‐based
catalysts
compared
traditional
catalysts.
Despite
new
advantages,
numerous
difficulties
also
been
noted
regard
future.
The
objective
review
is
make
it
easier
design
composite
materials
practical
uses.
Abstract
Macrolide
antibiotics,
including
erythromycin,
clarithromycin,
and
azithromycin,
are
frequently
misused
for
human
treatment
globally.
Therefore,
they
were
considered
high-risk
substances
on
the
Union-wide
monitoring
Watch
list
under
Regulation
2018/840/EU.
The
present
work
investigates
adsorption
behavior
of
pharmaceutical
pollutants
1,3,5-tris
(4-aminophenyl)
benzene/2,5
dimethoxyterephthalaldehyde
(TAPB-DMTP)
covalent
organic
frameworks
(COFs).
In
this
study,
we
employ
molecular
dynamics
simulations
well-tempered
metadynamics
to
evaluate
affinity
pristine
their
functionalized
form
(F-COFs)
removal
four
distinct
pollutant
molecules
(PPMs):
erythromycin
(EMC),
dexamethasone
(DEG),
azithromycin
(AZM),
clarithromycin
(CMC).
We
utilized
MD
examine
impact
two
different
temperatures
(298
310
K)
enhancing
contaminants
from
wastewater
by
COFs/F-COFs.
To
process,
several
descriptors
calculated
simulation
trajectories,
interaction
energies,
root-mean-square
deviation,
radial
distribution
function,
solvent-accessible
surface
area,
mean
square
displacement,
number
hydrogen
bonds
(HB).
It
is
determined
that
HB
X–H⋯π
(X
=
C,
N,
O;
π
aromatic
system)
interactions
most
critical
factors
contributing
system
stability.
addition,
it
shown
COFs
with
a
pore-based
structure
have
higher
capacity
removing
pollutants.
free
energy
landscapes
confirm
global
minimum
typically
associated
formation
bonds.
At
298
K,
minima
DEG/F-COFs
−665.81,
AZM/F-COFs
−638.53,
EMC/F-COFs
−566.31,
CMC/F-COFs
−326.75
KJ
mol
−1
.
ACS Applied Engineering Materials,
Год журнала:
2024,
Номер
2(2), С. 262 - 285
Опубликована: Янв. 25, 2024
Amid
global
concerns
over
water
scarcity
and
escalating
environmental
pollution,
there
has
been
a
surge
in
research
innovation
for
pioneering
wastewater
purification
technologies.
Advanced
micro
nanomanufacturing
methods
emerge
as
promising
avenues
to
enhance
conventional
treatment
efficiency.
This
review
guides
readers
through
recent
advancements,
merging
precision
engineering
at
micro/nanoscales
with
intricacies,
yielding
transformative
solutions.
Exploring
lithography-based
techniques,
additive
manufacturing,
self-assembly,
microfluidics,
it
uncovers
diverse
approaches
crafting
materials
interact
neutralize
pollutants.
The
manuscript
navigates
the
fusion
of
micro/nanomanufacturing
urgent
need
clean
water.
By
showcasing
empowered
surpassing
traditional
treatment,
tackles
expanding
pollutant
challenges.
Beyond
compiling
breakthroughs,
this
seeks
inspire
future
by
illuminating
how
manufacturing
can
address
holding
potential
combat
safeguard
ecosystems
generations.
Soil and Sediment Contamination An International Journal,
Год журнала:
2024,
Номер
33(8), С. 1526 - 1548
Опубликована: Фев. 20, 2024
Organic
compounds
pose
significant
environmental
concerns,
including
groundwater
contamination.
Clays
are
commonly
used
as
liners
to
prevent
contaminant
permeation
into
the
tables,
necessitating
an
understanding
of
clay's
behavior
in
presence
organic
compounds.
The
contaminants
results
changes
dielectric
constant
pore
fluid,
which
influences
interparticle
energies
and
double
layer
thickness
soil-pore
fluid
system.
This
study
aims
elucidate
mechanisms
these
by
examining
response
smectite
kaolinite
variations
constant.
Experimental
tests,
Atterberg
limits,
unconfined
compression
strength,
water
adsorption,
sedimentation,
pH,
XRD,
were
performed
on
clay
samples
at
different
concentrations
water-isopropyl
alcohol
mixtures.
Results
indicate
that
exhibits
higher
limits
adsorption
capacity
compared
kaolinite.
Smectite
also
shows
more
pronounced
decreasing
Conversely,
kaolinite's
attributed
viscosity
dipole
moment.
These
findings
emphasize
importance
considering
moment
alongside
predicting
behavior.
Overall,
this
enhances
how
affect
geotechnical
geo-environmental
Analytical Letters,
Год журнала:
2024,
Номер
unknown, С. 1 - 41
Опубликована: Май 5, 2024
In
this
review,
the
principles
and
characteristics
of
solid-phase
extraction
(SPE)
are
discussed.
The
categories
nanomaterial-based
adsorbents
namely
metal/metal
oxides,
magnetic
nanoparticles,
silica-based
two-dimensional
(2D)
nanomaterials
(NMs),
polymeric
nanotubes,
semiconductor
NMs,
nanoporous
materials
along
with
their
features
discussed
followed
by
evaluating
synthetic
strategies.
Finally,
application
sorbents
for
preconcentration
drugs,
pesticides,
heavy
metals
in
biological,
food,
environmental
samples
is
assessed.
Overall,
future
SPE
techniques
expected
to
include
advances
downsizing,
automation,
selectivity,
sustainability,
integration
other
analytical
techniques,
resulting
more
efficient
effective
sample
preparation
procedures
a
variety
applications.
