Materials Science-Poland,
Год журнала:
2024,
Номер
42(1), С. 62 - 91
Опубликована: Март 1, 2024
Abstract
Carbon
dots
(CDs)
are
emerging
as
versatile
fluorescent
nanoprobes
for
bioimaging
applications
due
to
advantages
like
tunable
emissions,
excellent
biocompatibility,
facile
surface
functionalization,
and
ease
of
synthesis.
This
review
summarizes
recent
advances
in
applying
biosynthesized
CDs
sensitive
bioimaging.
derived
from
sustainable
biomass
sources
through
green
techniques
hydrothermal
microwave
synthesis
demonstrate
bright,
excitation-tunable
photoluminescence
spanning
visible
near-infrared
spectra.
Careful
control
parameters
passivation
strategies
enhance
quantum
yields
above
50%
comparable
toxic
semiconductor
dots.
Conjugation
with
polymers,
peptides,
recognition
elements
antibodies
impart
solubility
selectivity
towards
cancer
cells
biomarkers.
In
vitro
validation
standard
lines
shows
targeted
organelle
imaging
abilities.
vivo
administration
reveals
renal
clearance
pharmacokinetics
preferential
tumor
accumulation
via
enhanced
permeability
effects.
Average
growth
inhibition
around
50-80%
was
achieved
mouse
xenografts
using
CDs-drug
formulations
combined
therapeutic
effects
chemotherapy
photothermal
ablation
under
guidance.
However,
concerns
regarding
toxicity
chronic
exposures,
large-scale
reproducible
manufacturing,
multimodal
capabilities
need
redressal
prior
further
clinical
translation.
Resources Chemicals and Materials,
Год журнала:
2024,
Номер
3(4), С. 294 - 316
Опубликована: Июнь 1, 2024
This
article
explores
an
in-depth
analysis
of
eco-friendly
green
synthesis
methods
to
manufacture
zinc
oxide
nanoparticles
(ZnO
NPs).
Although
chemical
and/or
physical
approaches
may
initially
provide
better
results,
in
the
long
term,
a
biological
approach
using
or
natural
pathways
plant
extracts,
enzymes,
and
microbes
be
more
cost-effective.
review
addresses
various
techniques
their
potential
biomedical
applications,
elucidating
mechanisms.
Additionally,
highlights
pivotal
role
ZnO
NPs
diabetes,
cancer,
wound
healing,
drug
delivery,
other
marvels.
Overall,
it
importance
green-synthesized
building
future
sustainable
breakthroughs.
The Chemical Record,
Год журнала:
2024,
Номер
24(6)
Опубликована: Июнь 1, 2024
Biomass
resources
are
often
disposed
of
inefficiently
and
it
causes
environmental
degradation.
These
wastes
can
be
turned
into
bio-products
using
effective
conversion
techniques.
The
synthesis
high-value
from
biomass
adheres
to
the
principles
a
sustainable
circular
economy
in
variety
industries,
including
agriculture.
Recently,
fluorescent
carbon
dots
(C-dots)
derived
biowastes
have
emerged
as
breakthrough
field,
showcasing
outstanding
fluorescence
properties
biocompatibility.
C-dots
exhibit
unique
quantum
confinement
due
their
small
size,
contributing
exceptional
fluorescence.
significance
lies
versatile
applications,
particularly
bio-imaging
energy
devices.
Their
rapid
straight-forward
production
green/chemical
precursors
has
further
accelerated
adoption
diverse
applications.
use
green
for
C-dot
not
only
addresses
disposal
issue
through
scientific
approach,
but
also
establishes
path
economy.
This
approach
minimizes
biowaste,
which
harnesses
potential
contribute
practices
review
explores
recent
developments
challenges
synthesizing
high-quality
agro-residues,
shedding
light
on
crucial
role
advancing
technologies
cleaner
more
future.
Biosensors,
Год журнала:
2025,
Номер
15(2), С. 105 - 105
Опубликована: Фев. 12, 2025
Carbon
dots
(CDs)
derived
from
biomass
are
promising
fluorescent
probes
for
specific
analyte
detection
due
to
their
specificity,
biocompatibility,
selectivity,
and
sensitivity.
In
this
work,
carbon
were
prepared
hydrothermally
natural
material,
Myrica
esculenta
fruits
(hereafter
referred
as
MPCDs),
without
adding
any
chemicals.
The
MPCDs
characterized
using
optical,
microscopic,
spectroscopic
methods
that
revealed
the
presence
of
numerous
functional
groups
properties.
exhibited
exceptional
characteristics
such
water
solubility,
photostability,
excitation-dependent
fluorescence
emission,
ionic
stability.
Transmission
electron
microscopy
found
average
size
was
8
nm.
remarkable
sensing
ability
hemin,
with
a
good
linearity
(R2
=
0.999)
lower
limit
14.1
nM.
demonstrated
quenching-based
primarily
owing
ground
state
complex
formation
inner
filter
effect.
Furthermore,
material
excellent
antioxidant
potential
against
2,2'-azino-bis
(3-ethylbenzothiazoline-6-sulfonic
acid)
2,2-diphenyl-1-picrylhydrazyl
radicals
EC50
values
25.4
205.4
µg/mL,
respectively.
study
suggests
CDs
could
be
used
optical
sensors
hemin
well
scavenge
selected
radicals.
