Biomimetic
hydroxyapatites
are
widely
explored
for
their
potential
applications
in
the
repair
of
mineralized
tissues,
particularly
dental
enamel,
which
is
acellular
and,
thus,
not
naturally
reformed
after
damage.
Enamel
formed
with
a
highly-controlled
hierarchical
structure,
difficult
to
replicate
up
macroscale.
A
biomimetic
approach
thus
warranted,
based
on
same
principles
that
drive
biomineralization
vivo.
Herein,
strategy
design
enamel-like
architectures
described,
utilizing
enzymes
embedded
polyelectrolyte
multilayers
generate
inorganic
phosphate
locally,
and
provide
favorable
chemical
environment
nucleation
growth
minerals.
Moreover,
method
proposed
build
seriated
mineral
layers
scalable
thicknesses,
continuous
growth,
tunable
morphology.
Results
show
outstanding
cohesive
layers,
yielding
macroscopic
standalone
fluoride
and/or
carbonate-substituted
hydroxyapatite
materials
comparable
crystal
structure
composition
native
human
tissues.
This
presents
promising
path
forward
biomineral
materials,
relevant
restorative
applications,
an
exquisite
level
synthetic
control
over
multiple
orders
magnitude.
Journal of Science Advanced Materials and Devices,
Год журнала:
2024,
Номер
9(3), С. 100734 - 100734
Опубликована: Май 12, 2024
As
witnessed
worldwide,
a
rapid
growth
in
research
and
creation
of
energy
storage
devices
such
as
supercapacitor
electrodes
that
can
store
deliver
at
very
fast
rate,
provide
high
current
short
duration.
This
article
deals
with
review
on
how
(SC)
electrode
materials
get
developed
from
bio-waste
like
cooked
chicken
bone
waste
(CCBW),
egg
shells,
fish
gills,
fishbone
waste,
biodegradable
non-biodegradable
marine
wastes
plastics,
mangroves,
chitosans,
mussel
shells
which
economic
benefit
for
the
substantiality
technology.
The
synthesis
preparation
involved
study
include
one
step
activation
colloidal
blending
processes.The
characterization
as-prepared
are
carried
out
by
implementing
XRD,
FESEM,
EDS,
FT-IR,
TGA,
TEM,
RAMAN
spectroscopy.
It
is
visualized
possess
carbon
content
porosity
leading
to
greater
specific
surface
area
highly
essential
conductance
SC
electrodes.
Researches
electrochemical
analysis
prepared
using
CV,
GCD,
EIS
techniques
have
been
analyzed.
Desalination and Water Treatment,
Год журнала:
2024,
Номер
319, С. 100562 - 100562
Опубликована: Июнь 20, 2024
In
the
coming
years,
escalation
of
waste
discharge
into
diverse
water
sources
is
an
inevitable
trajectory.
Despite
numerous
advancements
in
treatment
technologies,
pollution
remains
a
persistent
global
crisis.
Conventional
wastewater
processes
have
demonstrated
limited
efficacy
eliminating
organic
and
inorganic
pollutants.
Consequently,
researchers
are
intensively
directing
their
efforts
towards
advancing
methods,
propelled
by
urgent
need
to
address
rising
environmental
mitigate
ecosystem
damage.
Among
array
methods
previously
explored,
adsorption
stands
out
as
one
most
effective
approaches
for
targeting
pollutant
removal.
Activated
carbon
(AC),
widely
recognized
low-cost
highly
porous
adsorbent
material,
has
been
extensively
employed
globally.
However,
transformative
era
technology
emerges
with
surface
modification
AC.
Modification
enhances
characteristics
such
capacity,
selectivity,
promotes
regeneration
ability.
This
paper
provides
comprehensive
overview
recent
methodologies
undertaken
AC
through
impregnation,
utilizing
various
chemicals/modifiers,
applicable
studies.
The
study
delves
existing
barriers
commercialization,
technological
challenges,
economic
relevance
associated
application
adsorption.
Furthermore,
it
offers
forward-looking
future
recommendations
modified
dynamic
landscape
treatment.
ACS Applied Nano Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 7, 2025
The
development
of
anode
materials
with
a
high
rate
capability
and
cycle
stability
remains
significant
challenge
for
sodium-ion
batteries.
In
this
study,
CNT@(Co,
Fe)Se2
heterojunction
nanocomposite
(HNC)
was
fabricated
by
in
situ
coating
(Co,
onto
the
surface
highly
conductive
CNTs,
forming
heterojunction,
using
convenient
one-step
solid-phase
method.
synergistic
effect
heterostructure
selenium
vacancies
enhances
charge
Na+
ion
conductivity,
while
3D
porous
framework
CNTs
provides
pathway
transfer
diffusion,
resulting
specific
capacity,
excellent
capability,
good
prepared
HNC.
A
reversible
capacity
over
513
mAh
g–1
achieved
after
250
cycles
at
0.1
g–1.
More
than
87.55%
retained
as
current
density
increased
from
to
3
After
1500
5
g–1,
HNC
maintained
272.4
retention
98%
constant
Coulombic
efficiency
100%.
assembled
Na3V2(PO4)3//CNT@(Co,
full-cell
battery
exhibited
anode-specific
420
exceeding
65.5%
50
times.
International Journal of Electrochemical Science,
Год журнала:
2024,
Номер
19(9), С. 100752 - 100752
Опубликована: Авг. 6, 2024
As
a
new
type
of
efficient
electrochemical
energy
storage
system,
the
supercapacitor
serves
as
an
effective
means
to
support
development
clean
energy,
with
electrode
material
being
key
determinant
performance.
The
Pt-NiCo2O4/C
was
prepared
in
this
paper
by
stepwise
hydrothermal
and
calcination
methods
using
ZIF-67
template,
aiming
improve
specific
capacitance
performance
stability.
achieved
1665.3
F/g
at
current
density
1.0
A/g,
maintained
94.49
%
original
capacity
after
3500
cycles
4.0
A/g.
excellent
makes
it
promising
potential
candidate
for
applications.
