Portable and Flexible Hydrogel Sensor for On-Site Atrazine Assay on Agricultural Products
Analytical Chemistry,
Год журнала:
2024,
Номер
96(19), С. 7772 - 7779
Опубликована: Май 3, 2024
There
is
growing
attention
focused
toward
the
problems
of
ecological
sustainability
and
food
safety
raised
from
abuse
herbicides,
which
underscores
need
for
development
a
portable
reliable
sensor
simple,
rapid,
user-friendly
on-site
analysis
herbicide
residues.
Herein,
novel
multifunctional
hydrogel
composite
explored
to
serve
as
flexible
facile
efficient
atrazine
(ATZ)
The
electrode
fabricated
by
doping
graphite-phase
carbon
nitride
(g-C3N4)
into
aramid
nanofiber
reinforced
poly(vinyl
alcohol)
via
simple
solution-casting
procedure.
Benefiting
excellent
electroactivity
large
specific
surface
area
solid
nanoscale
component,
prepared
capable
sensitive
detection
ATZ
with
limit
down
0.002
ng/mL
per
test
time
less
than
1
min.
After
combination
smartphone-controlled
electrochemical
analyzer,
exhibited
satisfactory
analytical
performance
assay.
We
further
demonstrated
applications
in
evaluation
residues
real
water
soil
samples
well
point-of-need
on
various
agricultural
products.
envision
that
this
will
open
new
avenue
next-generation
tools
monitoring
environment
Язык: Английский
Algal Biosensors for Detection of Potentially Toxic Pollutants and Validation by Advanced Methods: A Brief Review
Chemosensors,
Год журнала:
2024,
Номер
12(11), С. 235 - 235
Опубликована: Ноя. 13, 2024
The
presence
of
potentially
toxic
pollutants,
such
as
pesticides
and
metal
ions,
even
at
low
concentrations,
can
significantly
impact
aquatic
environmental
health.
This
pollution
is
a
globally
widespread
problem
requires
fast
reliable
analysis,
especially
for
in-situ
identification/quantification.
Atomic
absorption
spectrometry
plasma-based
techniques
have
been
considered
the
most
analytical
tools
used
to
monitor
ions
in
media
other
related
matrices.
dynamics
global
climate
change
its
correlation
with
pollution,
from
anthropogenic
sources,
encouraged
development
faster
monitoring
these
pollutants.
A
noteworthy
alternative
determining
pollutants
using
algae-based
biosensors,
resulting
cost
reduction
simplification
enabling
more
comprehension
role
humans
change.
These
which
may
not
highest
sensitivity
quantification,
demonstrated
remarkable
potential
identification
several
field
applications.
Biosensors
be
an
excellent
biotechnology
solution
changes.
Thus,
this
review
highlights
main
advances
developing
comparing
biosensors
possibilities
their
possible
applications
analysis.
Язык: Английский
Probe-free and wash-free strategy for on-site testing of chloramphenicol in food based on differential encodable microspheres separation system
Chen Yang,
Guoqing He,
Shukun Zhao
и другие.
Talanta,
Год журнала:
2025,
Номер
295, С. 128250 - 128250
Опубликована: Май 4, 2025
Язык: Английский
Gradient Hydrogels Spatially Trapped Optical Cell Profiling for Quantitative Blood Cellular Osmotic Analysis
ACS Sensors,
Год журнала:
2024,
Номер
9(3), С. 1592 - 1601
Опубликована: Март 13, 2024
The
quantitative
exploration
of
cellular
osmotic
responses
and
a
thorough
analysis
pressure-responsive
behaviors
are
poised
to
offer
novel
clinical
insights
into
current
research.
This
underscores
paradigm
shift
in
the
long-standing
approach
colorimetric
measurements
triggered
by
red
cell
lysis.
In
this
study,
we
engineered
purpose-driven
optofluidic
platform
facilitate
goal.
Specifically,
creating
photocurable
hydrogel
traps
surmounts
persistent
challenge─optical
signal
interference
from
fluid
disturbances.
achievement
ensures
stable
spatial
phase
cells
acquisition
optical
signals
for
accurate
response
at
single-cell
level.
Leveraging
multigradient
microfluidic
system,
constructed
gradient
developed
an
imaging
recognition
algorithm,
empowering
comprehensive
behaviors.
Notably,
system
has
successfully
precisely
analyzed
individual
clustered
within
dimension.
Prospective
testing
further
substantiated
its
feasibility
performance
that
it
demonstrates
accuracy
92%
discriminating
complete
hemolysis
values
(n
=
25)
100%
identifying
initial
25).
Foreseeably,
strategy
should
promise
advance
pressure-related
analysis,
benefiting
investigation
diagnosis
related
blood
diseases,
quality,
drug
development,
etc.
Язык: Английский