BioMed,
Год журнала:
2024,
Номер
4(4), С. 464 - 492
Опубликована: Ноя. 2, 2024
Carbonaceous
materials
have
gained
significant
attention
in
recent
years
for
their
various
applications
the
field
of
medicine
and
biotechnology.
This
comprehensive
review
explores
synthesis
characterization
carbon-based
potentials
medical
applications.
The
paper
delves
into
methods
fabrication
nanoparticles,
such
as
carbon
nanotubes,
biochar,
graphene,
while
highlighting
unique
properties.
Characterization
techniques,
microscopy,
spectroscopy,
surface
analysis,
are
discussed
to
provide
insights
chemical
structural
properties
these
materials.
Furthermore,
examined
wide-ranging
applications,
encompassing
tissue
engineering,
drug
delivery,
biosensing,
imaging,
showcasing
versatility
promising
contributions
carbonaceous
healthcare
industry.
outlines
current
challenges
prospects
field,
emphasizing
growing
significance
valuable
tools
advancing
science
technology,
well
public
health.
Sakarya University Journal of Science,
Год журнала:
2025,
Номер
29(1), С. 39 - 49
Опубликована: Фев. 20, 2025
In
this
study,
carbon/carbon
(C/C)
composite
structures
were
produced
by
depositing
a
pyrolytic
carbon
matrix
around
fibers
found
in
three-dimensional
(3D)
preform
using
the
Chemical
Vapor
Infiltration
(CVI)
method.
The
preforms
used
as
starting
materials
orthogonal
fiber
geometry
and
3D
knitting
structure.
CVI
process
performed
CVD
(Chemical
Deposition)
device
was
carried
out
at
1250
℃,
under
2
mbar
pressure,
with
methane
gas
flow
rate
of
2.0
lt/min,
for
total
period
312
hours
gradually
applied
an
inert
atmosphere
consisting
argon
nitrogen
gases.
block
piece
processed
to
obtain
small
test
samples;
tensile
three-point
bending
tests
pieces,
their
densities
measured.
Samples
subjected
in-vitro
biodegradation
0.9
%
isotonic
sodium
chloride
solution
weight
37
°C
21
days.
density
apparent
porosity
samples
measured
be
1.395
g/cm³
13.424%,
respectively.
strength
C/C
composites
determined
252.5±6.20
MPa
236.6±25.7
MPa,
At
end
days,
ratio
calculated
0.0095%.
Energy & environment materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 22, 2025
The
efficiency
of
carbon
dioxide
(CO
2
)
adsorption
in
carbonaceous
materials
is
primarily
influenced
by
their
microporosity
and
thermodynamic
affinity
for
CO
.
However,
achieving
optimal
heteroatom
doping
precise
micropore
engineering
through
advanced
activation
techniques
remains
a
significant
challenge.
We
introduce
solvent‐free
one‐pot
method
using
polythiophene,
melamine,
KOH
to
prepare
highly
microporous,
heteroatom‐
co
‐doped
carbons
(NSC).
This
approach
leverages
sulfur
from
nitrogen
the
agent
enhance
capture
performance.
Our
results
demonstrate
that
optimized
sample,
NSC‐800,
achieves
capacity
280.5
mg
g
−1
at
273
K
1
bar,
attributed
its
high
(6.5
at.%)
(3.4
contents,
specific
surface
area
2888
m
,
volume
1.685
cm
3
moderate
isosteric
heat
(27.7
kJ
mol
indicates
physisorption‐driven
mechanism,
as
confirmed
close
alignment
with
pseudo‐first‐order
polynomial
model
(
R
>
0.99)
across
temperatures
303–323
K.
study
reveals
NSC‐800
also
displays
efficient
regeneration
after
ten
cycles
adsorption–desorption
under
flue
gas
conditions
(15%
85%
N
313
K),
highlighting
potential
regenerable,
energy‐efficient
adsorbent
practical
applications.
