Advances in bioinformatics and biomedical engineering book series,
Journal Year:
2024,
Volume and Issue:
unknown, P. 235 - 288
Published: April 19, 2024
In
the
realm
of
nanophotonics,
there
has
been
a
noticeable
increase
in
demand
for
semiconductor
nanomaterials
over
past
few
years.
Quantum
dots
(QDs)
have
captured
global
scientific
attention
due
to
their
unique
optical
properties.
QDs
comprise
material
core
surrounded
by
shell
with
wider
bandgap,
which
determines
optoelectrical
This
chapter
looks
closely
at
various
types
QDs,
including
carbon-based,
perovskite,
colloidal,
magnetic
and
metal-based
QDs.
The
authors
examine
different
methods
surface
functionalization
doping
optimize
performance
numerous
applications
biomedical
imaging
nanosensing.
are
highly
suitable
as
they
demonstrate
excellent
photostability
bright
emission,
making
them
ideal
use
both
fluorescent
detectors
reporter
molecules
laser
scanning
confocal
microscopy,
super-resolution
molecular
spectroscopy,
flow
cytometry.
Chemical Reviews,
Journal Year:
2023,
Volume and Issue:
123(18), P. 11047 - 11136
Published: Sept. 7, 2023
Advances
in
nanotechnology
and
nanomaterials
have
attracted
considerable
interest
play
key
roles
scientific
innovations
diverse
fields.
In
particular,
increased
attention
has
been
focused
on
carbon-based
exhibiting
extended
structures
unique
properties.
Among
these
materials,
zero-dimensional
structures,
including
fullerenes,
carbon
nano-onions,
nanodiamonds,
dots,
possess
excellent
bioaffinities
superior
fluorescence
properties
that
make
suitable
for
application
to
environmental
biological
sensing,
imaging,
therapeutics.
This
review
provides
a
systematic
overview
of
the
classification
structural
properties,
design
principles
preparation
methods,
optical
sensing
applications
nanomaterials.
Recent
interesting
breakthroughs
sensitive
selective
imaging
heavy
metal
pollutants,
hazardous
substances,
bioactive
molecules
as
well
information
encryption,
super-resolution
photoacoustic
phototherapy
nanomedicine
delivery
are
main
focus
this
review.
Finally,
future
challenges
prospects
materials
highlighted
envisaged.
presents
comprehensive
basis
directions
designing,
developing,
applying
fascinating
fluorescent
sensors
fabricated
based
specific
requirements
numerous
research
RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(23), P. 16001 - 16023
Published: Jan. 1, 2024
This
review
covers
recent
advancements
in
the
synthesis
of
graphene
quantum
dots
(GQDs)
and
their
properties.
It
highlights
GQDs'
applications
bioimaging
for
tumor
visualization
MRI,
as
well
various
biosensing
technologies.
Nanomaterials,
Journal Year:
2025,
Volume and Issue:
15(5), P. 376 - 376
Published: Feb. 28, 2025
Methyl
orange
(MO)
is
an
organic
synthetic
dye
widely
used
in
laboratory
and
industrial
applications.
In
settings,
it
serves
as
acid-base
indicator
due
to
its
distinct
color
change
both
acidic
alkaline
environments.
Industrially,
primarily
utilized
the
textile
industry
for
ultraviolet
(UV)
absorption
properties.
However,
discharge
leakage
of
methyl
into
environment
can
cause
severe
ecological
damage
pose
potential
carcinogenic
teratogenic
risks
human
health.
Therefore,
detecting
quantifying
concentration
various
matrices
crucial.
This
study
reports
synthesis
graphene
quantum
dots
(GQDs)
from
peel
a
precursor,
using
ethanol
dimethylformamide
(DMF)
solvents.
Cyan
(c-GQDs)
yellow
(y-GQDs)
were
synthesized
through
bottom-up
hydrothermal
method.
The
difference
attributed
redshift
caused
by
varying
ratio
pyridine
nitrogen
pyrrole
nitrogen.
These
GQDs
exhibited
notable
optical
properties,
with
c-GQDs
emitting
cyan
fluorescence
y-GQDs
under
UV
light.
To
investigate
quenching
effects,
nine
commonly
dyes
tested,
all
found
quench
y-GQDs,
having
most
significant
effect.
peel-derived
presence
poor
dispersion
DMF
solution.
Additionally,
possess
high
specific
surface
area,
abundant
functional
groups,
excellent
electronic
conductivity,
which
contribute
their
effective
performance.
average
thickness
(the
vertical
dimension
substrate
upwards)
was
3.51
nm,
confirming
graphene-like
structure.
They
emitted
within
wavelength
range
450-530
nm.
Notably,
linear
correlation
between
intensity
(regression
coefficient
=
0.9954),
indicating
sensing
materials
pollutant
detection.
Green Chemistry,
Journal Year:
2023,
Volume and Issue:
25(21), P. 8869 - 8884
Published: Jan. 1, 2023
“Lighting
up”
lignin:
synthesis
of
multicolour-emitting
GQDs
with
high
crystallinity
from
lignin
within
12
h
and
their
successful
application
to
multicolour
LEDs.
