Nanomaterials,
Год журнала:
2021,
Номер
11(6), С. 1394 - 1394
Опубликована: Май 25, 2021
During
the
COVID-19
pandemic,
development
of
sensitive
and
rapid
techniques
for
detection
viruses
have
become
vital.
Surface-enhanced
Raman
scattering
(SERS)
is
an
appropriate
tool
new
due
to
its
high
sensitivity.
SERS
materials
modified
with
short-structured
oligonucleotides
(DNA
aptamers)
provide
specificity
biosensors.
Existing
SERS-based
aptasensors
virus
are
either
inapplicable
quantitative
determination
or
sophisticated
expensive
construction
implementation.
In
this
paper,
we
a
SERS-aptasensor
based
on
colloidal
solutions
which
combines
rapidity
in
SARS-CoV-2
virus,
discriminating
it
from
other
respiratory
viruses.
Industrial & Engineering Chemistry Research,
Год журнала:
2021,
Номер
60(2), С. 816 - 823
Опубликована: Янв. 8, 2021
Daunorubicin
is
a
famous
anthracycline
anticancer
chemotherapy
drug
with
many
side
effects
that
very
important
to
measure
in
biological
samples.
A
daunorubicin
electrochemical
biosensor
was
fabricated
this
study
using
ds-DNA
as
the
biorecognition
element
and
glassy
carbon
electrode
(GCE)
amplified
by
Pt/SWCNTs
sensor.
The
synthetization
of
done
polyol
method,
their
characterization
accomplished
via
XRD,
EDS,
TEM
methods.
results
showed
diameter
about
5.0
nm
for
Pt
nanoparticle
decorated
at
surface
SWCNTs.
morphological
conductivity
properties
Pt/SWCNTs/GCE
were
investigated
EIS
AFM
methods,
confirmed
had
high
area
conductivity.
ds-DNA/Pt/SWCNTs/GCE
an
oxidation
signal
relative
guanine
base
potential
847
mV
positive
shift
after
interaction
drug.
This
point
confirms
intercalation
reaction
between
structure
could
be
used
analytical
factor
determination
daunorubicin.
Furthermore,
molecular
docking
predict
site
DNA.
It
found
interacts
bases
DNA
intercalative
mode.
Kinetic
investigation
association
equilibrium
constant
(Ka)
5.044
×
103
M–1
differential
pulse
voltammetric
linear
dynamic
range
4.0
nM
250.0
μM
detection
limit
1.0
on
ds-DNA/Pt/SWCNTs/GCE.
Finally,
successfully
injection
samples
recovery
98.27–10313%.
Chemical Society Reviews,
Год журнала:
2021,
Номер
50(20), С. 11381 - 11485
Опубликована: Янв. 1, 2021
To
date,
nanotechnology
has
increasingly
been
identified
as
a
promising
and
efficient
means
to
address
number
of
challenges
associated
with
public
health.
In
the
past
decade,
two-dimensional
(2D)
biomaterials,
unique
nanoplatform
planar
topology,
have
attracted
explosive
interest
in
various
fields
such
biomedicine
due
their
morphology,
physicochemical
properties
biological
effect.
Motivated
by
progress
graphene
biomedicine,
dozens
types
ultrathin
2D
biomaterials
found
versatile
bio-applications,
including
biosensing,
biomedical
imaging,
delivery
therapeutic
agents,
cancer
theranostics,
tissue
engineering,
well
others.
The
effective
utilization
stems
from
in-depth
knowledge
structure-property-bioactivity-biosafety-application-performance
relationships.
A
comprehensive
summary
for
is
still
lacking.
this
review,
we
aim
concentrate
on
state-of-the-art
particular
focus
applications.
particular,
discuss
design,
fabrication
functionalization
used
diverse
applications
based
up-to-date
progress.
Furthermore,
interactions
between
systems
spatial-temporal
scale
are
highlighted,
which
will
deepen
understanding
underlying
action
mechanism
aiding
design
improved
functionalities.
Finally,
taking
bench-to-bedside
focus,
conclude
review
proposing
current
crucial
issues/challenges
presenting
future
development
directions
advance
clinical
translation
these
emerging
biomaterials.
TrAC Trends in Analytical Chemistry,
Год журнала:
2021,
Номер
143, С. 116344 - 116344
Опубликована: Май 20, 2021
The
quality
analysis
of
water,
pharmaceutical
and
environmental
compounds
is
a
basic
subject
for
human
health.
presence
low-quality
drugs,
biological
toxins
chemical
in
water
or
forbidden
additives
the
nourishments
lead
to
irreversible
problems
Hence,
multiple
analytical
approaches
have
been
presented
investigating
environmental,
pharmaceutical,
food
monitoring
detection
toxic
pollutants
water.
Sensing
tools
based
on
strategies
are
required
identifying
quantifying
different
including
contaminants
samples.
Among
biosensing
sensing
tools,
portable
assays
special
importance
because
their
great
advantages
such
as
simplicity,
affordability,
portability
ability
on-site
detection.
Therefore,
during
last
decades,
designing
fabricating
with
sensitivity
selectivity
considered
by
many
researchers
scientists
various
pollutants.
In
this
paper,
latest
improvements
biosensors
sensors
samples
extensively
explained.
Initially,
novel
technologies
development
addressed.
Then,
introducing
(bacteria,
algae,
toxins)
(heavy
metals,
aromatic
compounds,
pesticides
insecticides),
which
developed
presented.
Finally,
upcoming
perspectives
future
challenges
thoroughly
described.
Comprehensive Reviews in Food Science and Food Safety,
Год журнала:
2022,
Номер
21(2), С. 1868 - 1912
Опубликована: Фев. 22, 2022
Abstract
Diverse
chemicals
and
some
physical
phenomena
recently
introduced
in
nanotechnology
have
enabled
scientists
to
develop
useful
devices
the
field
of
food
sciences.
Concerning
such
developments,
detecting
foodborne
pathogenic
bacteria
is
now
an
important
issue.
These
kinds
species
demonstrated
severe
health
effects
after
consuming
foods
high
mortality
related
acute
cases.
The
most
leading
path
intoxication
infection
has
been
through
matrices.
Hence,
quick
recognition
agents
at
low
concentrations
required
current
diagnostics.
Lateral
flow
assays
(LFAs)
are
one
urgent
prevalently
applied
methods
that
settled
for
recognizing
diverse
types
analytes.
Thus,
present
review
stressed
on
latest
developments
LFAs‐based
platforms
detect
various
as
Salmonella
,
Listeria
Escherichia
coli
Brucella
Shigella
Staphylococcus
aureus
Clostridium
botulinum
Vibrio
cholera
.
Proper
prominence
given
exactly
how
labels,
detection
elements,
or
procedures
affected
recent
evaluation
using
LFAs.
Additionally,
modifications
specificity
sensitivity
consistent
with
processing
techniques
discussed.
Finally,
a
conclusion
drawn
highlighting
main
challenges
confronted
this
method
offered
view
insight
thoughts
its
further
development
future.
