Chemistry of Materials,
Journal Year:
2022,
Volume and Issue:
34(23), P. 10399 - 10408
Published: Nov. 21, 2022
Solar
steam
generation
is
a
robust
and
environmentally
friendly
way
to
obtain
fresh
water
alleviate
the
shortage
problem.
Although
wide
variety
of
devices
have
been
well
documented,
most
fabricated
materials
are
often
only
suitable
for
one
device
generally
difficult
be
removed,
resulting
in
disposable
device.
This
may
raise
serious
concerns
about
total
cost
issues,
particularly
those
with
complex
well-tailored
microstructures.
Thus,
it
urgent
develop
dynamic
photothermal
coating
that
can
easily
removed
flexibly
switched
between
different
installations
stable
conversion
ability.
In
this
work,
we
report
degradable
recyclable
metal-phenolic
network-based
assembled
from
two
kinds
naturally
occurring
building
blocks
[gallic
acid
(GA)
Fe(III)].
Hydrophilic
poly(vinylidene
fluoride)
(PVDF)
was
selected
as
substrate,
GA@Fe(III)@PVDF
membrane,
which
achieve
high
evaporation
rate
1.539
kg
m–2
h–1
superb
efficiency
90.2%
under
1
sun
illumination.
Impressively,
GA@Fe(III)
degraded
acidic
condition
rapidly,
recovered
PVDF
recoated
by
networks
again.
The
performance
remain
over
150
degrading
recoating
cycles.
We
believed
work
could
offer
opportunities
fabricate
low-cost,
sustainable,
coatings
solar
generation.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Feb. 3, 2024
Abstract
Chronic
diabetic
wounds
are
at
lifelong
risk
of
developing
foot
ulcers
owing
to
severe
hypoxia,
excessive
reactive
oxygen
species
(ROS),
a
complex
inflammatory
microenvironment,
and
the
potential
for
bacterial
infection.
Here
we
develop
programmed
treatment
strategy
employing
live
Haematococcus
(HEA).
By
modulating
light
intensity,
HEA
can
be
perform
variety
functions,
such
as
antibacterial
activity,
supply,
ROS
scavenging,
immune
regulation,
suggesting
its
use
in
therapy.
Under
high
intensity
(658
nm,
0.5
W/cm
2
),
green
(GHEA)
with
efficient
photothermal
conversion
mediate
wound
surface
disinfection.
decreasing
0.1
photosynthetic
system
GHEA
continuously
produce
oxygen,
effectively
resolving
problems
hypoxia
promoting
vascular
regeneration.
Continuous
irradiation
induces
astaxanthin
(AST)
accumulation
cells,
resulting
gradual
transformation
from
red
hue
(RHEA).
RHEA
scavenges
excess
ROS,
enhances
expression
intracellular
antioxidant
enzymes,
directs
polarization
M2
macrophages
by
secreting
AST
vesicles
via
exosomes.
The
living
hydrogel
sterilize
enhance
cell
proliferation
migration
promote
neoangiogenesis,
which
could
improve
infected
healing
female
mice.
Toxics,
Journal Year:
2023,
Volume and Issue:
11(2), P. 117 - 117
Published: Jan. 25, 2023
The
current
water
crisis
necessitates
the
development
of
new
materials
for
wastewater
treatment.
A
variety
nanomaterials
are
continuously
being
investigated
their
potential
as
adsorbents
environmental
remediation.
Researchers
intend
to
develop
a
low-cost,
simple,
and
sustainable
material
that
can
cater
removal
pollutants.
Biochar
derived
from
biowaste
is
candidate
existing
problem
pollution.
review
focuses
on
various
aspects
biochar,
such
its
sources,
preparation
methods,
mechanism,
applications
treatment,
regeneration.
Compared
with
other
adsorbents,
biochar
considered
an
environmentally
friendly,
sustainable,
cost-effective
substitute
waste
management,
climate
protection,
soil
improvement,
etc.
special
properties
porosity,
surface
area,
charge,
functional
groups
be
easily
modified
by
chemical
resulting
in
improved
adsorption
properties.
Therefore,
view
increasing
pollution
problems
encountered
researchers
treating
pollutants,
great
importance.
This
also
highlights
challenges
prospective
areas
explored
studied
more
detail
future.
Materials Horizons,
Journal Year:
2022,
Volume and Issue:
10(1), P. 268 - 276
Published: Nov. 8, 2022
The
tobramycin-doped
polydopamine
nanoparticles
were
developed
to
construct
solar
evaporator,
which
exhibited
synergistic
antibacterial
behaviors
and
high
water
evaporation
rate,
thus
achieving
stable
reuse
even
under
microbe-rich
environment.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(36)
Published: May 15, 2023
Abstract
The
shortage
of
freshwater
resources
has
become
a
major
obstacle
threatening
human
development,
and
directly
utilizing
solar
energy
by
evaporators
is
emerging
as
promising
method
to
produce
from
the
seawater.
Compared
many
synthetic
polymer‐based
evaporators,
cellulose‐based
are
expected
offer
more
interesting
features
benefiting
renewable
feature
abundant
reserves
cellulose‐contained
naturally
occurring
materials.
First,
according
different
fabrication
methods,
can
be
divided
into
two
types,
i.e.,
top‐down
utilization
(wood‐based)
bottom‐up
assembled
(cellulose
composite‐based),
respectively.
schemes
also
bring
their
own
unique
advantages,
such
bimodal
porous
structure
wood‐based
artificial
interconnection
microporous
network
cellulose
composite‐based
evaporators.
Subsequently,
this
review
further
summarizes
most
recent
advances
highlights
those
focusing
on
structural
regulation
strategies
(e.g.,
drilled
channel
array,
asymmetric
wettability
structure,
delignification,
2D
waterway,
etc.)
evaporation
performance
improvements
salt
resistance,
high
rate,
etc.).
Finally,
challenges
in
field
potential
solutions
discussed,
which
anticipated
provide
new
opportunities
toward
future
development
other
kinds
biomass‐based
Materials Horizons,
Journal Year:
2023,
Volume and Issue:
10(3), P. 1020 - 1029
Published: Jan. 1, 2023
Solar-driven
vapor
generation
has
emerged
as
a
promising
wastewater
remediation
technology
for
clean
water
production.
However,
the
complicated
and
diversified
contaminants
in
still
restrict
its
practical
applications.
Herein,
inspired
by
melanin
nature,
robust
aerogel
was
facilely
fabricated
multifunctional
via
one-pot
condensation
copolymerization
of
5,6-dihydroxyindole
formaldehyde.
Benefiting
from
superhydrophilicity,
underwater
superoleophobicity,
synergistic
coordination
effects,
resulting
not
only
showed
excellent
performances
oil
resistance
oil-water
separation
ability,
but
also
removed
organic
dyes
heavy
metal
ions
simultaneously.
Moreover,
owing
to
admirable
light
harvesting
capacity
porous
microstructure
fast
transportation,
aerogel-based
evaporator
exhibited
an
evaporation
rate
1.42
kg
m-2
h-1
with
91%
efficiency
under
1
sun
illumination,
which
can
be
reused
long-term
evaporation.
Note
that
such
stable
could
maintained
even
containing
complex
multicomponent
contaminants.
Outdoor
experiments
lotus
pond
natural
sunlight
proved
great
potential
All
those
features
this
all-in-one
melanin-inspired
may
provide
new
strategies
development
photothermal
devices
solar-driven
remediation.
Water,
Journal Year:
2023,
Volume and Issue:
15(12), P. 2275 - 2275
Published: June 17, 2023
ZnO
is
a
semiconductor
material
that
has
important
physical
and
chemical
properties,
which
are
frequently
significantly
enhanced
by
the
addition
of
impurities,
such
as
doping.
A
study
structural
properties
pristine
functionalized
(i.e.,
doped
with
Antimony
Tungsten)
nanoparticles
been
conducted
for
photocatalyst-based
degradation
methylene
blue
(MB)
dye
under
both
Ultraviolet
(UV)
solar
light.
Authors
have
used
1%
concentration
dopant
doping
purposes.
The
synthesized
materials
were
characterized
analysis,
functional
group
identification,
spectroscopic
measurements,
morphological
examination
using
X-ray
diffraction
(XRD),
Fourier
transform-infrared
(FTIR),
UV-Vis
spectroscopy
(UV-Vis),
Field
emission
scanning
electron
microscope
(FESEM)
techniques.
XRD
analysis
confirmed
synthesized-doped
retained
wurtzite
hexagonal
structure
purity
99%.
Transmission
(TEM)
data
reveals
average
size
pure
ZnO-NPs
was
found
to
be
7
nm;
after
increased
18
nm
9.55
nm,
respectively,
ZnO-W
ZnO-Sb.
As
per
FESEM
results,
minor
changes
observed
Differential
reflectance
UV-DRS
revealed
confirmation
antimony
tungsten,
exhibited
shift.
decrease
in
band-gap
on
makes
more
efficient
photocatalytic
applications.
efficiency
catalysts
(PCD)
analyzed
UV
irradiation.
This
effect
pH,
nano-photocatalyst
dose,
initial
(ICD)
PCD
MB.
obtained
analytical
results
showed
ideal
conditions
MB
follows:
pH
=
9,
quantity
300
mg/L,
an
dose
10
ppm.
These
lead
about
91%
ZnO-Sb
exposure
radiation.
reusability
also
stability
nano-photocatalysts.
current
research
may
pave
way
removal
hazardous
dyes
from
wastewater
discharged
many
industries.
Polymers,
Journal Year:
2023,
Volume and Issue:
15(3), P. 540 - 540
Published: Jan. 20, 2023
Nanomaterials
have
been
extensively
used
in
polymer
nanocomposite
membranes
due
to
the
inclusion
of
unique
features
that
enhance
water
and
wastewater
treatment
performance.
Compared
pristine
membranes,
incorporation
nanomodifiers
not
only
improves
membrane
performance
(water
permeability,
salt
rejection,
contaminant
removal,
selectivity),
but
also
intrinsic
properties
(hydrophilicity,
porosity,
antifouling
properties,
antimicrobial
mechanical,
thermal,
chemical
stability)
these
membranes.
This
review
focuses
on
applications
different
types
nanomaterials:
zero-dimensional
(metal/metal
oxide
nanoparticles),
one-dimensional
(carbon
nanotubes),
two-dimensional
(graphene
associated
structures),
three-dimensional
(zeolites
frameworks)
nanomaterials
combined
with
polymers
towards
novel
polymeric
nanocomposites
for
applications.
will
show
combinations
impart
enhanced
into
membrane;
however,
underlying
issues
modification
processes
environmental
impact
are
less
obvious.
highlights
utility
computational
methods
toward
understanding
structural
functional
Here,
we
highlight
fabrication
methods,
advantages,
challenges,
impact,
future
scope
advanced
based
systems
