RSC Advances,
Год журнала:
2023,
Номер
13(40), С. 27772 - 27781
Опубликована: Янв. 1, 2023
A
“turn-on”
FRET
aptasensor
for
17β-estradiol
detection
was
developed.
It
can
detect
with
high
sensitivity
and
selectivity.
showed
potential
estrogen
in
food
safety
environmental
applications.
Nature Chemical Biology,
Год журнала:
2023,
Номер
19(9), С. 1147 - 1157
Опубликована: Июнь 8, 2023
Fluorescent
biosensors
enable
the
study
of
cell
physiology
with
spatiotemporal
resolution;
yet,
most
suffer
from
relatively
low
dynamic
ranges.
Here,
we
introduce
a
family
designed
Förster
resonance
energy
transfer
(FRET)
pairs
near-quantitative
FRET
efficiencies
based
on
reversible
interaction
fluorescent
proteins
fluorescently
labeled
HaloTag.
These
enabled
straightforward
design
for
calcium,
ATP
and
NAD+
unprecedented
The
color
each
these
can
be
readily
tuned
by
changing
either
protein
or
synthetic
fluorophore,
which
enables
simultaneous
monitoring
free
in
different
subcellular
compartments
following
genotoxic
stress.
Minimal
modifications
furthermore
allow
their
readout
to
switched
fluorescence
intensity,
lifetime
bioluminescence.
thus
establish
new
concept
development
highly
sensitive
tunable
biosensors.
Abstract
Fluorogenic
biosensors
are
essential
tools
widely
used
in
biomedicine,
chemical
biology,
environmental
protection
and
food
safety.
Fluorescence
resonance
energy
transfer
(FRET)
is
a
crucial
technique
for
developing
fluorogenic
that
provide
mechanistic
insight
into
bioprocesses
through
time‐spatial
bioimaging
living
cells
organisms.
Although
extensive
FRET‐based
sensors
have
been
developed
detecting
or
imaging
analytes
of
interest
over
the
past
decade,
few
comprehensive
reviews
summarized
recent
studies
from
fundamental
angle
about
design
application.
In
this
work,
advance
discovery
FRET
using
donor‐acceptor
dye
combinations
described
they
classified
based
on
different
types
analytes,
such
as
mall
molecules,
proteins,
enzymes,
nucleic
acids
metal
ions.
This
review
provides
molecular‐level
inspiration
biosensors,
aiding
their
application
biosensing
bioimaging.
Advanced Materials Technologies,
Год журнала:
2024,
Номер
9(20)
Опубликована: Май 16, 2024
Abstract
The
convergence
of
advanced
nanotechnology
with
disease
diagnosis
has
ushered
in
a
transformative
era
healthcare,
empowering
early
and
accurate
detection
diseases
paving
the
way
for
timely
interventions,
improved
treatment
outcomes,
enhanced
patient
well‐being.
development
novel
materials
is
frequently
impetus
behind
significant
advancements
sensor
technology.
Among
them,
single‐walled
carbon
nanotubes
(SWCNTSs)
have
emerged
as
promising
nanomaterials
developing
biosensors.
Their
unique
optical,
electrical,
biocompatibility
properties
make
them
candidates
enhancing
sensitivity
real‐time
monitoring
capabilities
biosensors,
well
enabling
various
bioimaging
techniques.
Recent
studies
demonstrated
utility
SWCNTS‐based
biosensors
biological
analytes,
such
nitric
oxide
hydrogen
peroxide
(H
2
O
),
potential
implications
understanding
therapeutic
response
assessment.
Moreover,
SWCNTSs
shown
promise
applications,
including
fluorescence,
Raman
spectroscopy,
photoluminescence
imaging
samples.
This
article
delves
into
core
principles,
design
strategies,
operational
mechanisms
that
underpin
SWCNTS‐bioimaging
techniques‐based
It
emphasizes
on
their
versatile
functionalization
nanotubes,
laying
foundation
integration
biosensor
platforms
applications
aimed
at
diagnosing
wide
spectrum
infectious
diseases,
cancer,
neurological
disorders,
metabolic
conditions.
ATP
is
essential
for
all
living
cells.
However,
how
dead
cells
lose
has
not
been
well
investigated.
In
this
study,
we
developed
new
FRET
biosensors
dual
imaging
of
intracellular
level
and
caspase-3
activity
in
single
apoptotic
cultured
human
We
show
that
the
cytosolic
starts
to
decrease
immediately
after
activation
caspase-3,
process
completed
typically
within
2
hr.
The
was
facilitated
by
caspase-dependent
cleavage
plasma
membrane
channel
pannexin-1,
indicating
cell
a
'programmed'
process.
Apoptotic
deficient
pannexin-1
sustained
ability
produce
through
glycolysis
consume
ATP,
did
stop
wasting
glucose
much
longer
period
than
normal
Thus,
plays
role
arresting
metabolic
cells,
most
likely
facilitating
loss
ATP.
ACS Applied Bio Materials,
Год журнала:
2021,
Номер
4(2), С. 1616 - 1623
Опубликована: Янв. 26, 2021
A
dual-mechanism-driven
ratiometric
electrochemiluminescent
(ECL)
biosensor
was
developed
for
the
ultrasensitive
detection
of
protein
kinase
activity,
which
based
on
a
competitive
catalytic
reaction
and
resonance
energy
transfer
(RET)
by
assembling
gold
nanoparticles
(GNPs)
two-dimensional
(2D)
porphyrinic
metal–organic
framework
(MOF)
nanosheets.
In
this
work,
an
ECL
competing
dissolved
O2
proceeded
between
2D
copper-based
zinc
MOF
(Cu–TCPP(Zn))
nanosheets
luminol.
Meanwhile,
cathodic
singlet
oxygen
(1O2),
derived
from
electrocatalytic
Cu–TCPP(Zn),
would
be
reduced
assembled
GNPs
due
to
RET,
while
anodic
emission
luminol
could
enhanced
with
excellent
activity.
With
(PKA)
as
example,
exhibited
broad
linear
range
(0.005–5.0
U
mL–1)
sensitive
limit
(0.0037
mL–1).
Compared
traditional
single-mechanism-driven
sensing
strategies,
may
provide
effective
method
design
green
sensors.