Current Opinion in Biomedical Engineering,
Journal Year:
2022,
Volume and Issue:
24, P. 100413 - 100413
Published: Sept. 5, 2022
The
importance
of
having
a
fast,
accurate,
and
reusable
track
for
detection
has
led
to
an
increase
investigation
in
the
field
biosensing.
Optical
biosensing
using
plasmonic
nanoparticles,
such
as
gold
silver,
introduces
localized
surface
plasmon
resonance
(LSPR)
sensors.
LSPR
biosensors
are
progressive
their
sensing
precision
limit.
Also,
possibility
tune
range
by
varying
size
shape
particles
made
them
extremely
useful.
Hydrogels
being
hydrophilic
3D
networks
can
be
beneficial
when
used
matrices,
because
more
efficient
biorecognition.
Stimuli-responsive
hydrogels
great
candidates,
response
stimulus
recognition
detection.
This
article
highlights
recent
advances
combining
matrix
nanoparticles
elements.
end
capability
diversity
these
novel
different
applications
near
future
discussed.
Biosensors,
Journal Year:
2021,
Volume and Issue:
11(8), P. 259 - 259
Published: July 31, 2021
Two-dimensional
(2D)
materials
such
as
graphene,
graphene
oxide,
transition
metal
MXene
and
others
have
shown
high
potential
for
the
design
fabrication
of
various
sensors
biosensors
due
to
their
2D
layered
structure
unique
properties.
Compared
traditional
fluorescent,
electrochemical,
electrical
biosensors,
colorimetric
exhibit
several
advantages
including
naked-eye
determination,
low
cost,
quick
response,
easy
fabrication.
In
this
review,
we
present
recent
advances
in
design,
fabrication,
applications
material-based
high-performance
biosensors.
Potential
sensing
mechanisms
optimal
material
selection
well
sensor
are
introduced
brief.
addition,
based
on
different
dichalcogenide/oxide,
MXenes,
metal-organic
frameworks,
nanoplates
sensitive
detection
DNA,
proteins,
viruses,
small
molecules,
metallic
ions,
presented
discussed
detail.
This
work
will
be
helpful
readers
understand
knowledge
modification,
nanozymes,
synthesis
hybrid
materials;
meanwhile,
it
could
valuable
promote
bioanalysis
disease
diagnostics.
Analytical Chemistry,
Journal Year:
2023,
Volume and Issue:
95(23), P. 8906 - 8913
Published: June 2, 2023
Developing
highly
active
and
sensitive
nanozymes
for
biothiol
analysis
is
of
vital
significance
due
to
their
essential
roles
in
disease
diagnosis.
Herein,
two
metal
ion-doped
carbon
dots
(M-CDs)
with
high
peroxidase-like
activity
were
designed
prepared
detection
identification
through
the
colorimetric
sensor
array
technique.
The
M-CDs
can
strongly
catalyze
decomposition
H2O2,
accompanied
by
color
changes
3,3′,5,5′-tetramethylbenzidine
(TMB)
from
colorless
blue,
indicating
peroxidase-mimicking
activities
M-CDs.
Compared
pure
(CDs),
exhibited
enhanced
owing
synergistic
effect
between
ions
CDs.
However,
strong
binding
affinity
biothiols
ions,
catalytic
could
be
inhibited
different
diverse
degrees.
Therefore,
using
TMB
as
a
chromogenic
substrate
presence
developed
form
differential
fingerprints
three
most
important
(i.e.,
cysteine
(Cys),
homocysteine
(Hcy),
glutathione
(GSH)),
which
accurately
discriminated
pattern
recognition
methods
hierarchical
clustering
(HCA)
principal
component
(PCA))
limit
5
nM.
Moreover,
single
various
concentrations
mixtures
was
also
realized.
Furthermore,
actual
samples
such
cells
sera
well
distinguished
as-fabricated
array,
demonstrating
its
potential
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(16), P. 19785 - 19806
Published: April 17, 2023
Gold
nanoparticles
(AuNPs)
are
useful
nanomaterials
as
transducers
for
colorimetric
sensors
because
of
their
high
extinction
coefficient
and
ability
to
change
color
depending
on
aggregation
status.
Therefore,
over
the
past
few
decades,
AuNP-based
have
been
widely
applied
in
several
environmental
biological
applications,
including
detection
water
pollutants.
According
various
studies,
pollutants
classified
into
heavy
metals
or
cationic
metal
ions,
toxins,
pesticides.
Notably,
many
researchers
interested
AuNP
that
detect
with
sensitivity
selectivity,
while
offering
no
adverse
issues
terms
use.
This
review
provides
a
representative
overview
detecting
In
particular,
we
emphasize
advantages
pollutant
low
toxicity,
stability,
facile
processability,
unique
optical
properties.
Next,
discuss
status
quo
future
prospects
We
believe
this
will
promote
research
development
next-generation
detection.
