Nanomaterials,
Год журнала:
2023,
Номер
13(19), С. 2654 - 2654
Опубликована: Сен. 27, 2023
Plant
extract-derived
carbon
dots
(C-dots)
have
emerged
as
promising
components
for
sustainability
and
natural
inspiration
to
meet
consumer
demands.
This
review
comprehensively
explores
the
potential
applications
of
C-dots
derived
from
plant
extracts
in
cosmetics.
paper
discusses
synthesis
methodologies
generation
precursors,
including
pyrolysis
carbonization,
chemical
oxidation,
hydrothermal,
microwave-assisted,
ultrasonic
methods.
offer
distinct
advantages
over
conventional
synthetic
materials
by
taking
advantage
inherent
properties
plants,
such
antioxidant,
anti-inflammatory,
UV
protective
properties.
These
outstanding
are
critical
novel
cosmetic
controlling
skin
aging,
treatment
inflammatory
conditions,
sunscreen.
In
conclusion,
combine
cutting-edge
nanotechnology
sustainable
innovation,
presenting
an
opportunity
revolutionize
industry
offering
enhanced
while
embracing
eco-friendly
practices.
Abstract
In
recent
years,
carbon
dots
(CDs)
have
garnered
increasing
attention
due
to
their
simple
preparation
methods,
versatile
performances,
and
wide‐ranging
applications.
CDs
can
manifest
various
optical,
physical,
chemical
properties
including
quantum
yield
(QY),
emission
wavelength
(Em),
solid‐state
fluorescence
(SSF),
room‐temperature
phosphorescence
(RTP),
material‐specific
responsivity,
pH
sensitivity,
anti‐oxidation
oxidation,
biocompatibility.
These
be
effectively
regulated
through
precise
control
of
the
CD
process,
rendering
them
suitable
for
diverse
However,
lack
consideration
given
each
feature
during
process
poses
a
challenge
in
obtaining
requisite
features
This
paper
is
analyze
existing
research
present
novel
concepts
ideas
creating
with
different
distinct
The
synthesis
methods
are
discussed
first
section,
followed
by
comprehensive
overview
important
modification
strategy.
Subsequently,
application
reviewed.
Finally,
outlines
current
challenges
controlling
applications,
discusses
potential
solutions,
offers
suggestions
future
research.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Апрель 30, 2024
In
recent
years,
carbon
quantum
dots
(CQDs)
have
garnered
considerable
attention
as
a
promising
material
for
biomedical
applications
because
of
their
unique
optical
and
biological
properties.
this
study,
CQDs
were
derived
from
the
leaves
Hibiscus
rosa-sinensis
Linn.
via
microwave-assisted
technique
characterized
using
different
techniques
such
ultraviolet-visible,
Fourier
transform
infrared,
fluorescence
spectrometry,
X-ray
diffraction,
dynamic
light
scattering,
transmission
electron
microscopy
energy-dispersive
spectroscopy.
Subsequently,
potential
was
investigated
through
in
vitro
assays
assessing
scratch
healing,
anti-inflammatory,
antibacterial,
cytotoxicity
It
found
that
fluorescent,
polycrystalline,
quasi-spherical,
~
12
nm
size
with
presence
-OH
-COOH
groups
on
negatively
charged
surfaces,
demonstrated
good
anti-inflammatory
by
inhibiting
protein
denaturation,
cyclooxygenase-2
regulating
inflammatory
cytokines.
The
also
exhibited
antimicrobial
activity
against
Klebsiella
pneumoniae
Bacillus
cereus,
biocompatibility,
along
excellent
promotion
cell
proliferation
vitro,
indicating
wound
healing
material.
properties
more
enhanced
than
precursor,
H.
leaf
extract.
Hence,
synthesized
can
serve
agent.
Advanced Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 18, 2024
Abstract
Carbon
dots
(CDs)
are
an
emerging
class
of
nanomaterials
with
attractive
optical
properties,
which
promise
to
enable
a
variety
applications.
An
important
and
timely
question
is
whether
CDs
can
become
functional
sustainable
alternative
incumbent
nanomaterials,
notably
inorganic
quantum
dots.
Herein,
the
current
CD
literature
comprehensively
reviewed
as
regards
their
synthesis
function,
focus
on
sustainability
aspects.
The
study
quantifies
why
it
that
be
synthesized
biomass
sole
starting
material
free
from
toxic
precious
metals
critical
raw
materials.
It
further
describes
analyzes
employed
pretreatment,
chemical‐conversion,
purification,
processing
procedures,
highlights
issues
usage
solvents,
energy
efficiency,
safety
waste
management.
specially
shown
many
reported
methods
concerningly
wasteful
utilization
non‐sustainable
solvents
energy.
finally
recommended
future
studies
should
explicitly
consider
discuss
environmental
influence
selected
material,
generated
byproducts,
quantitative
information
required
amounts
consumables,
provided
evaluation
presented
in
upscaled
context.
Green Chemistry Letters and Reviews,
Год журнала:
2025,
Номер
18(1)
Опубликована: Янв. 30, 2025
The
study
explores
the
green
synthesis
and
characterization
of
silver
nanoparticles
using
Syzygium
malaccense
(L.)
Merr.
&
L.
M.
Perry
leaf
extract
(SM-AgNPs).
UV-Visible
spectroscopy
confirmed
reduction
ions,
showing
an
absorption
peak
at
406
nm.
X-ray
Diffraction
(XRD)
analysis
revealed
a
face
centered
cubic
structure
with
average
particle
size
23.55
Dynamic
Light
Scattering
(DLS)
zeta
potential
analyses
indicated
mean
40.1
nm
surface
charge
−40.1
mV.
FTIR
identified
functional
groups
involved
in
nanoparticle
stabilization,
while
Energy
Dispersive
(EDX)
content.
Transmission
Electron
Microscopy
(TEM)
Atomic
Force
(AFM)
provided
detailed
insights
into
morphology.
Anticancer
assays
showed
dose-dependent
cytotoxicity
against
A549
cancer
cells
(LC50:
7.62
μg
mL−1)
minimal
effects
on
L-132
normal
73.55
mL−1),
highlighting
selectivity.
Additionally,
SM-AgNPs
increased
Caenorhabditis
elegans
survival
reduced
paralysis
under
pathogenic
bacterial
exposure.
This
demonstrates
biomedical
applications,
emphasizing
selective
anticancer
activity
antimicrobial
vivo.
Austin Journal of Analytical and Pharmaceutical Chemistry,
Год журнала:
2024,
Номер
11(1)
Опубликована: Фев. 24, 2024
This
study
explores
the
use
of
Syzygium
cumini
(L.)
Skeels
plant
aqueous
leaf
extract
as
a
reducing
agent,
which
enables
green
synthesis
and
comprehensive
characterization
silver
nanoparticles
(AgNPs).
The
results
indicated
that
synthesized
AgNPs
were
spherical
in
shape
with
an
average
size
27.5
nm
content
approximately
43.18%.
exhibited
promising
antidiabetic
wound-healing
properties.
activity,
measured
through
glucose
uptake
α-amylase
inhibition
assays,
showed
values
80.08%
83.91%,
respectively.
Additionally,
cytotoxicity
assessment
revealed
good
biocompatibility
even
at
higher
doses,
indicating
their
lower
toxicity
profile.
Furthermore,
demonstrated
wound-closure
percentages
27.59%
92.48%
12
h
24
respectively,
post-treatment,
they
effective
standard
ascorbic
acid.
These
findings
suggest
cumini-mediated
have
significant
potential
for
applications
treatments.
