Food Analytical Methods,
Journal Year:
2024,
Volume and Issue:
17(5), P. 739 - 750
Published: March 6, 2024
Abstract
The
synthesis
of
cobalt,
nitrogen
and
sulfur
co
doped
carbon
quantum
dots
(Co-NS-CQDs)
has
become
a
subject
significant
research
interest.
These
CQDs
were
produced
using
single-step
microwave
method,
which
is
considered
environmentally
friendly,
the
entire
process
was
completed
in
just
90
seconds.
In
this
synthesis,
citric
acid
utilized
as
source,
methionine
served
source
for
both
sulfur,
cobaltous
acetate
used
to
introduce
cobalt
ions
into
structure.
synthesized
(CQDs)
exhibit
narrow
size
distribution
high
yield
51.5%,
notably
superior
non-metal-doped
with
38%.
Characterization
these
performed
different
techniques
such
transmission
electron
microscopy
(TEM),
high-resolution
TEM
(HRTEM),
Fourier
transformation
infrared
spectroscopy
(FTIR),
energy
dispersive
X-ray
analysis
(EDX),
diffraction
(XRD)
photoelectron
(XPS).
developed
have
blue
luminescence
at
emission
wavelength
438
nm
after
excitation
350
nm.
Different
factors
affecting
including
dialysis
duration,
reaction
time
temperature.
probe
detection
monosodium
glutamate
(MSG)
various
food
products.
intensity
fluorescence
showed
direct
linear
increase
concentration
MSG
within
range
25–250
µg/mL.
quantitation
limits
2.78
µg/mL
8.44
µg/mL,
respectively.
Additionally,
method
confirmed
by
assessments
analytical
Eco
scale,
Green
Analytical
Procedure
Index
(GAPI),
Greenness
calculator
(Agree).
proposed
presents
several
advantages
over
other
reported
methods
terms
convenience,
rapid
response,
attainment
accurate
precise
results.
Small Science,
Journal Year:
2024,
Volume and Issue:
4(3)
Published: Jan. 22, 2024
Despite
significant
advancements
in
medical
technology,
cancer
remains
the
world's
second‐leading
cause
of
death,
largely
attributed
to
late‐stage
diagnoses.
While
traditional
detection
methodologies
offer
foundational
insights,
they
often
lack
specificity,
affordability,
and
sensitivity
for
early‐stage
identification.
In
this
context,
development
biosensors
offers
a
distinct
possibility
precise
rapid
identification
biomarkers.
Carbon
nanomaterials,
including
graphene,
carbon
nitride,
quantum
dots,
other
carbon‐based
nanostructures,
are
highly
promising
detection.
Their
simplicity,
high
sensitivity,
cost‐effectiveness
contribute
their
potential
field.
This
review
aims
elucidate
emerging
carbon‐nanomaterial‐based
early
diagnosis.
The
relevance
various
biosensor
mechanisms
performance
physicochemical
properties
nanomaterials
is
discussed
depth,
focusing
on
demonstrating
broad
creating
biosensors.
Diverse
techniques,
such
as
electrochemical,
fluorescence,
surface
plasmon
resonance,
electrochemiluminescence,
quartz
crystal
microbalance,
emphasized
At
last,
summary
existing
challenges
future
outlook
field
elaborated.
Medicinal Research Reviews,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 17, 2024
Abstract
Nanocomposite
materials
are
emerging
as
key
players
in
addressing
critical
challenges
healthcare,
energy
storage,
and
environmental
remediation.
These
innovative
systems
hold
great
promise
engineering
effective
solutions
for
complex
problems.
Nanocomposites
have
demonstrated
various
advantages
such
simplicity,
versatility,
lightweight,
potential
cost‐effectiveness.
By
reinforcing
synthetic
natural
polymers
with
nanomaterials,
a
range
of
nanocomposites
exhibited
unique
physicochemical
properties,
biocompatibility,
biodegradability.
Current
research
on
has
promising
clinical
translational
applications.
Over
the
past
decade,
production
emerged
nano‐structuring
methodology
due
to
their
adaptability
controllable
surface
structure.
This
comprehensive
review
article
systematically
addresses
two
principal
domains.
A
survey
metallic
nonmetallic
nanomaterials
(nanofillers),
elucidating
efficacy
agents
polymeric
matrices.
Emphasis
is
placed
methodical
design
principles
governing
development
functional
nanocomposites.
Additionally,
provides
an
exhaustive
examination
recent
noteworthy
advancements
industrial,
environmental,
biomedical,
applications
within
realms
nanocomposite
materials.
Finally,
concludes
by
highlighting
ongoing
facing
wide
Advanced Healthcare Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 5, 2025
Abstract
Inspired
by
the
emerging
potential
of
photoluminescent
hydrogels,
this
work
unlocks
new
avenues
for
advanced
biosensing,
bioimaging,
and
drug
delivery
applications.
Carbon
quantum
dots
(CDs)
are
deemed
particularly
promising
among
various
optical
dyes,
enhancing
polymeric
networks
with
superior
physical
chemical
properties.
This
study
presents
synthesis
CDs
derived
from
Prunella
vulgaris
,
a
natural
plant
resource,
through
single‐step
hydrothermal
process,
followed
their
uniform
integration
into
hydrogel
matrices
via
an
in
situ
free
radical
graft
polymerization.
The
resulting
CD‐integrated
hydrogels
exhibit
multifunctionality
biomedical
applications,
featuring
diffusion‐controlled
release
mechanism,
permit
concurrent
therapeutic
agents,
enabling
real‐time
monitoring
over
32
h.
In
addition,
these
function
as
broad‐range
pH
sensor
(pH
3–11),
provide
robust
ultraviolet
(UV)
shielding,
demonstrate
nanozyme‐like
peroxidase
activity.
Critically,
biocompatibility
tests
confirm
non‐cytotoxicity
toward
fibroblast
cells,
establishing
candidates
diverse
These
include
wound
dressings
that
monitor
healing
process
detect
infection
sensing,
promote
nanozymatic
activity,
all
while
maintaining
moist
microenvironment.
exceptional
suitability
smart
delivery,
effective
UV‐blocking,
innovative
platforms
vivo
sensing
bioimaging.
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(11), P. e21227 - e21227
Published: Oct. 20, 2023
The
past
decade
has
witnessed
a
breakthrough
in
novel
strategies
to
treat
cancer.
One
of
the
most
common
cancer
treatment
modalities
is
chemotherapy
which
involves
administering
anti-cancer
drugs
body.
However,
these
can
lead
undesirable
side
effects
on
healthy
cells.
To
overcome
this
challenge
and
improve
cell
targeting,
many
nanocarriers
have
been
developed
deliver
directly
cancerous
cells
minimize
tissues.
majority
research
studies
conclude
that,
using
encapsulated
much
safer
more
effective
alternative
than
delivering
drug
alone
its
free
form.
This
review
provides
summary
types
mainly
studied
for
delivery,
namely:
liposomes,
polymeric
micelles,
dendrimers,
magnetic
nanoparticles,
mesoporous
gold
carbon
nanotubes
quantum
dots.
In
review,
synthesis,
applications,
advantages,
disadvantages,
previous
nanomaterials
are
discussed
detail.
Furthermore,
future
opportunities
possible
challenges
translating
materials
into
clinical
applications
also
reported.
Nanoscale,
Journal Year:
2023,
Volume and Issue:
16(5), P. 2265 - 2288
Published: Dec. 21, 2023
Carbon
quantum
dots
(CQDs)
are
a
promising
candidate
to
replace
metal-based
additives
for
polymer
reinforcement
and
functionalization.
Specifically,
vast
interest
in
CQDs
functionalization
stems
from
their
cost
effectiveness,
sustainable
organic
precursors,
non-toxicity.
Although
several
reviews
of
optical
devices
based
on
have
been
reported,
this
mini-review
covers
the
non-optical
aspects
CQD-polymer
composites.
Applications
CQD-modified
polymers
smart
devices,
mechanical
reinforcement,
textile
surface-modification
methods,
membranes,
protective
coatings,
thermal
resistance
summarized.
The
synthesis
method
CQDs,
dispersion
matrix
underlying
mechanisms
related
enhanced
performance
composites
outlined.
Unlike
nano-reinforcements,
self-stabilized
offer
an
extremely
high
surface
area,
which
significantly
alters
properties
at
1-2%
concentration.
Finally,
comparative
analysis
recent
advances
composites,
problems,
future
directions
discussed.
