Royal Society of Chemistry eBooks,
Journal Year:
2025,
Volume and Issue:
unknown, P. 439 - 478
Published: May 12, 2025
Over
the
past
decade,
owing
to
their
highly
enriched
physiochemical
properties,
graphene-based
metal
oxide
composites
have
been
explored
for
various
applications
in
medical
field.
Due
its
high
surface
area,
easy
functionalization,
and
ability
penetrate
cell-membranes,
graphene
is
becoming
a
promising
candidate
bio-delivery
carriers.
Additionally,
materials
are
reported
be
suitable
carriers
overcome
disadvantages
associated
with
conventional
drug
formulation.
Moreover,
metals
oxides
could
coupled
form
graphene–metal
composites.
excellent
biocompatibility,
solubility
selectivity,
these
show
huge
potential
bioimaging
diagnostic
purposes.
Metal
coordination
has
also
found
enhance
antimicrobial
activity
against
human
pathogens.
A
comprehensive
review
of
developments
biomedicine
missing
literature.
To
address
this,
here
we
presented
detailed
material
design,
loading,
release
or
diffusion
kinetics,
vitro
vivo
applications,
device
fabrication
materials.
Recommendations
future
research
discussed
reference
related
areas
better
understand
underlying
science
develop
delivery,
imaging,
sensing
methods
using
Journal of Bioresources and Bioproducts,
Journal Year:
2023,
Volume and Issue:
9(3), P. 253 - 282
Published: Dec. 10, 2023
As
the
population
increases
and
manufacturing
grows,
greenhouse
gas
other
harmful
emissions
increase.
Contaminated
with
chemicals
such
as
dyes,
pesticides,
pharmaceuticals,
oil,
heavy
metals
or
radionuclides,
wastewater
purification
has
become
an
urgent
issue.
Various
technologies
exist
that
can
remove
these
contaminants
from
sources,
but
they
often
demand
high
energy
and/or
cost,
in
some
cases
produce
contaminant
laden
sludge
requires
safe
disposal.
The
need
for
methods
which
are
less
capital
intensive,
operationally
costly
more
environmentally
friendly
is
suggested.
Cellulose-based
materials
have
emerged
promising
candidates
treatment
due
to
their
renewability,
low
biodegradability,
hydrophilicity,
antimicrobial
property.
In
this
review
article,
we
focussed
on
developing
sustainable
biodegradable
cellulose-based
treatment.
This
article
deals
materials'
scope
conversion
into
valuable
products
like
hydrogel,
aerogel,
cellulose
composites,
nanocellulose.
no
environmental
impact
plentiful.
modified
applying
membrane,
adsorbent,
sorbent,
beads
purify
were
discussed.
Finally,
challenges
future
prospects
of
considered,
emphasizing
potential
be
eco-friendly
alternatives
traditional
used
Next Materials,
Journal Year:
2023,
Volume and Issue:
3, P. 100064 - 100064
Published: Dec. 19, 2023
This
research
focuses
on
the
development
of
efficient
and
cost-effective
methods
for
treatment
industrial
wastewater.
Magnetic
Fe3O4
cellulose/graphene
oxide
nanocomposite
was
synthesized
through
free
radical
graft
copolymerization
acrylic
acid
(AA)
acrylamide
(AM)
cellulose
chains.
The
grafting
parameters,
including
molar
ratio,
temperature,
reaction
time,
were
optimized.
Structural
characteristics
prepared
samples
analyzed
using
FT-IR,
XRD,
VSM
techniques,
while
morphological
examined
FE-SEM
HR-TEM.
evaluated
their
adsorption
capacity
towards
methylene
blue
(MB)
dye
under
various
conditions.
factors
controlling
process,
such
as
pH,
contact
adsorbent
dose,
initial
MB
concentration,
studied.
experimental
data
successfully
described
by
pseudo-second-order
model,
equilibrium
results
fitted
Freundlich
Dubinin-Radushkevich
isotherms.
Thermodynamic
studies
revealed
that
process
endothermic
occurred
spontaneously,
leading
to
greater
disorder.
Optimal
conditions
onto
magnetic
determined
be
pH
7,
a
time
7
h,
an
dose
0.0375
g
in
30
mg/L
solution.
inclusion
magnetite
graphene
into
resulted
enhanced
removal
efficiency
dye,
with
exhibiting
percentage
97%.
These
findings
demonstrate
potential
powerful
from
aqueous
solutions,
offering
promising
prospects
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: June 8, 2023
As
a
basic
building
block
of
graphene-based
materials,
graphene
oxide
(GO)
plays
an
important
role
in
scientific
research
and
industrial
applications.
At
present,
numerous
methods
have
been
employed
to
synthesize
GO,
there
are
still
some
issues
that
need
be
solved,
thus
it
is
importance
develop
green,
safe
low-cost
GO
preparation
method.
Herein,
fast
method
was
designed
prepare
namely,
graphite
powder
firstly
oxidized
dilute
sulfuric
acid
solution
(H2SO4,
6
mol/L)
with
hydrogen
peroxide
(H2O2,
30
wt%)
as
oxidant,
then
exfoliated
by
ultrasonic
treatment
water.
In
this
process,
H2O2
the
only
no
other
oxidants
were
used,
explosive
nature
reaction
conventional
could
completely
eliminated.
This
has
advantages
such
fast,
Mn-based
residues.
The
experimental
results
confirm
obtained
oxygen-containing
groups
better
adsorption
property
compared
powder.
adsorbent,
can
remove
methylene
blue
(50
mg/L)
Cd2+
(56.2
from
water
removal
capacity
23.8
mg/g
24.7
mg/g,
respectively.
It
provides
for
applications
adsorbent.
Frontiers in Carbon,
Journal Year:
2024,
Volume and Issue:
3
Published: Feb. 5, 2024
The
omnipresence
of
emerging
contaminants
in
the
aquatic
environment
is
indisputable.
These
include
chemical
substances
not
removed
traditional
water
and
sewage
treatment
processes.
To
ensure
quality
healthy
ecosystems,
new
technologies
materials
are
essential
to
effectively
control
presence
these
environment.
More
than
that,
it
important
know
how
molecules
interact
with
materials.
A
low-cost
alternative
currently
available
adsorption.
Despite
this
method
being
widely
studied,
describing
interaction
mechanisms
between
analytes
usual,
limiting
obtainment
more
efficient
Thus,
objective
work
was
understand,
a
theoretical-experimental
way,
forms
adsorption
drug
paracetamol,
used
worldwide,
based
on
graphene
different
structural
properties.
For
this,
kinetic
isothermal
experimental
studies
were
carried
out
using
four
that
contemplated
dimensions,
pore
sizes,
oxidation
degrees.
In
theoretical
studies,
density
functional
theory
(DFT)
simulations
performed
cover
quantum
details,
revealing
paracetamol
interacts
structures.
According
binding
energies,
distances,
charge
transfer
oxidized
compatible
physical
adsorption,
strongly
dependent
type
number
groups
surface.
results
agree
data
where
highest
adsorptions
observed
precisely
for
containing
higher
proportion
(more
porous),
adsorptive
capacities
reaching
235.7
mg/g.
Our
findings
contribute
scientific
knowledge
about
structures
as
an
adsorbent
material,
providing
solid
basis
future
developing
advanced
technologies.
