International Journal of Environmental Research and Public Health,
Journal Year:
2021,
Volume and Issue:
18(11), P. 6104 - 6104
Published: June 5, 2021
Sharing
individualized
results
with
health
study
participants,
a
practice
we
and
others
refer
to
as
“report-back,”
ensures
participant
access
exposure
information
may
promote
equity.
However,
the
of
report-back
content
shared
is
often
limited
by
time-intensive
process
personalizing
reports.
Software
tools
that
automate
creation
reports
have
been
built
for
specific
studies,
but
are
largely
not
open-source
or
broadly
modifiable.
We
created
an
generalizable
tool,
called
Macro
Compilation
Report-backs
(MCR),
compilation
piloted
MCR
in
two
environmental
studies
Massachusetts,
USA,
interviewed
research
team
members
(n
=
7)
about
impact
on
process.
Researchers
using
more
detailed
than
during
manual
report-back,
including
numerical,
text,
graphical
results.
Using
MCR,
researchers
saved
time
producing
draft
final
also
reported
feeling
creative
design
confident
quality
control.
While
does
expedite
entire
process,
hope
this
tool
reduces
barriers
reports,
promotes
equitable
data,
advances
self-determination
among
participants.
Journal of The Electrochemical Society,
Journal Year:
2024,
Volume and Issue:
171(2), P. 027513 - 027513
Published: Feb. 1, 2024
Lead
(Pb)
has
long
been
acknowledged
as
a
systemic
toxicant,
with
pronounced
health
impacts
observed
even
at
low
exposure
levels,
particularly
in
children.
Adverse
effects
include
diminished
cognitive
function,
altered
behavior,
and
developmental
delays.
Consequently,
it
is
imperative
to
conduct
regular
monitoring
of
Blood
Levels
(BLLs).
In
this
work,
we
report
on
an
electrochemical
sensor
based
screen-printed
carbon
electrode
(SPCE)
coated
Nafion
mesoporous
(MC).
The
system
uses
simple
sample
preparation
(acidification
dilution
whole
blood),
minimal
volume
(a
few
blood
drops,
200
μ
l),
swift
time-to-results
(1
h).
A
limit
quantitation
(LOQ)
0.3
g
dL
−1
Pb
was
achieved
blood.
To
demonstrate
the
practical
utility
our
system,
evaluated
its
performance
analysis
samples
collected
from
children
(n
=
25).
Comparative
laboratory-based
gold
standard
method
inductively
coupled
plasma
mass
spectrometry
(ICP-MS)
demonstrated
approximately
77%
accuracy
94%
precision.
We
anticipate
that
approach
will
serve
valuable
tool
for
more
frequent
BLL
monitoring,
communities
where
access
laboratory
testing
impractical
or
expensive.
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 6, 2025
Abstract
Nickel
hydroxide
nanoflakes
incorporating
amorphous
nickel
oxyhydroxide
(NiOOH/Ni(OH)2
NFs)
were
synthesized
through
a
chemical
oxidation
approach.
NiOOH/Ni(OH)2
NFs
maintains
the
two-dimensional
structure
of
Ni(OH)2
with
an
enlarged
specific
surface
area.
Furthermore,
NiOOH
possesses
abundant
high-valence
active
sites,
endowing
material
remarkable
oxidase-like
activity.
This
catalytic
property
enabled
generation
reactive
oxygen
species
(ROS)
from
dissolved
oxygen,
enhancing
luminol
chemiluminescence
(CL)
intensity
by
over
2,000-fold
without
requiring
external
oxidants.
Mn2+
significantly
quenched
CL
signal
scavenging
ROS,
enabling
linear
detection
range
1‒30
μmol·L−1
and
limit
0.60
μmol·L−1,
which
is
3-fold
lower
than
World
Health
Organization
(WHO)
permissible
(1.80
μmol·L−1)
for
drinking
water.
The
sensor
was
successfully
applied
to
tap
lake
water
samples,
demonstrating
simplicity,
rapid
response,
high
selectivity,
making
it
promising
method
environmental
monitoring.
Journal of Agricultural and Food Chemistry,
Journal Year:
2022,
Volume and Issue:
70(24), P. 7412 - 7419
Published: June 7, 2022
Efficient
preconcentration
is
critical
for
sensitive
and
selective
electrochemical
detection
of
metal
ions,
but
rapid
specific
enrichment
with
depressed
absorption
interfering
ions
at
the
electrode
challenging.
Here,
we
proposed
an
electric
field-induced
to
boost
analytical
performance
DNA-based
sensors
Hg2+
detection.
As
such
preconcentration,
a
positive
external
field
was
first
used
enrich
assembled
T-rich
DNA,
thus
boosting
T-Hg2+-T
recognitions.
The
following
applied
inverse
strips
nonspecifically
absorbed
other
depressing
matrix
interferences
via
self-cleaning.
Based
on
this
principle,
designed
portable
device
realize
programmable
control
fields;
recognition-based
sensor
fabricated
as
model
platform
assess
feasibility
preconcentration.
experimental
results
revealed
that
strategy
decreased
time
T-Hg2+-T-based
recognition
from
60
20
min
led
better
reproducibility
by
influence
free
well
ions.
This
offered
limits
0.01
pM─three-fold
than
without
preconcentration─within
22
min.
offers
new
way
enhance
sensing
solid-liquid
interface.
ACS Applied Materials & Interfaces,
Journal Year:
2022,
Volume and Issue:
14(31), P. 35704 - 35715
Published: July 27, 2022
An
inorganic-framework
molecularly
imprinted
NiAl
layered
double
hydroxide
(MI-NiAl-LDH)
with
specific
template
molecule
(glyphosate
pesticide,
Glyp)
recognition
ability
was
prepared
on
Ni
nanorod
arrays
(Ni
NRAs)
through
electrodeposition
followed
by
a
low-temperature
O2
plasma
treatment.
The
freestanding
Ni/MI-NiAl-LDH
NRA
electrode
had
highly
enhanced
sensitivity
and
selectivity.
electrocatalytic
oxidation
of
Glyp
proposed
to
occur
at
Ni3+
centers
in
MI-NiAl-LDH,
the
current
response
depended
linearly
concentration
from
10.0
nmol/L
1.0
μmol/L
(R2
=
0.9906),
limit
detection
(LOD)
being
3.1
(S/N
3).
exceptional
discriminating
capability
tolerance
for
other
similar
organophosphorus
compounds
achieved.
Molecular
imprinting
(N
P
residues)
affected
electronic
structure
NiAl-LDH,
triggering
formation
active
NiOOH
sites
relatively
lower
anodic
potentials
substantially
enhancing
NiAl-LDH
interface
toward
C-N
bonds
Glyp.
In
combination
surface
enrichment
effect
MI-NiAl-LDH
molecules,
electrochemical
signal
intensity
increased
significantly,
greater
peak
separation
interfering
molecules.
These
results
challenge
common
belief
that
excellent
performance
interfaces
arises
their
adsorption
providing
new
insight
into
development
high-performance
organic-pollutant-sensing
electrodes.
Analytical Methods,
Journal Year:
2023,
Volume and Issue:
15(21), P. 2622 - 2630
Published: Jan. 1, 2023
This
study
developed
an
electrochemical
sensor
for
Mn
2+
assay
in
Baijiu
based
on
TiO
2
-NH
@COF
DPTB
nanocomposite,
which
was
synthesized
via
the
controllable
growth
of
COF
onto
surface
using
Schiff-base
condensation
reaction.
Analytical Sciences,
Journal Year:
2023,
Volume and Issue:
39(10), P. 1669 - 1679
Published: Sept. 12, 2023
In
this
work,
PtCo
bimetallic
nanoparticles
supported
on
multi-walled
carbon
nanotubes
(PtCo@MWCNTs)
nanohybrid
was
prepared
simply
and
used
for
the
first
time
as
a
novel
nanozyme
in
colorimetric
sensing
of
L-cysteine
(L-Cys)
Cu2+.
Due
to
its
strong
enzyme-like
catalytic
activity,
PtCo@MWCNTs
can
catalyze
oxidation
3,3',5,5'-tetramethylbenzidine
(TMB)
form
ox-TMB
without
H2O2.
Interestingly,
oxidase-like
active
effectively
suppressed
by
L-Cys,
which
could
reduce
colorless
TMB
lead
pronounced
blue
fading,
absorbance
at
652
nm
gradually
decreased
with
increasing
L-Cys
concentration.
On
other
hand,
activity
be
recovered
due
complexation
between
Therefore,
method
based
established
detect
The
results
show
that
assay
platform
has
simple,
rapid,
sensitive
performance
good
selectivity.
detection
limits
Cu2+
are
0.041
μM
0.056
μM,
respectively,
coupled
linearities
0.01
~
60.0
0.05
80.0
μM.
successful
application
bimetal-based
herein
opens
new
direction
analysis,
showing
great
potential
applications.