Optimizing the Construction and Activation of 3D-Printed Electrochemical Sensors: An Experimental Design Approach for Simultaneous Electroanalysis of Paracetamol and Caffeine
ACS Omega,
Год журнала:
2025,
Номер
10(1), С. 1131 - 1143
Опубликована: Янв. 6, 2025
This
work
presents
an
optimization
of
the
construction,
treatment,
and
activation
3D-printed
electrochemical
sensors
(E-3D).
For
this,
was
used
a
23-full
factorial
design
examining
three
key
variables
at
two
levels:
electrode
height,
diameter,
printing
speed.
Moreover,
it
evaluates
various
physical,
chemical,
methods
to
treat
activate
E-3D
surface.
The
techniques
impedance
spectroscopy
cyclic
voltammetry
(CV)
shows
that
sequential
treatments
lead
highest
treatment
efficiency
activation.
Raman
atomic
force
microscopy
characterize
untreated
treated
sensor
surfaces.
optimal
methodology
applied
electroanalysis
paracetamol
(PAR)
caffeine
(CAF)
simultaneously
using
CV
differential
pulse
anodic
stripping
(DPASV).
DPASV
measurements
reveal
limits
detection
0.44
0.58
μmol
L–1
in
0.5
mol
H2SO4
medium
for
PAR
CAF,
respectively,
with
activated
sensor.
principal
achievement
this
emphasizing
critical
role
surface
enhancing
performance
developed
electrodes,
thereby
advancing
technological
applications
sensors.
Язык: Английский
Exploring the Mechanical Durability and Electroanalytical Performance of 3d-Printed Multi-Material Sensors for Rapid On-Site Screening of Nimesulide in Industrial Sewage
Опубликована: Янв. 1, 2025
Язык: Английский
Simultaneous determination of morphine and codeine using additive-manufactured electrodes with conductive filaments based on recycled PLA
Microchemical Journal,
Год журнала:
2025,
Номер
unknown, С. 113830 - 113830
Опубликована: Апрель 1, 2025
Язык: Английский
Sustainable Validated Methodology for Enzymeless Determination of Tyrosine USING 3D-printed PLA/CB Electrodes in Synthetic Urine
Talanta Open,
Год журнала:
2025,
Номер
11, С. 100469 - 100469
Опубликована: Май 6, 2025
Язык: Английский
Sustainable 3D-printing from coconut waste: conductive PLA-biochar filaments for environmental electrochemical sensing
Microchimica Acta,
Год журнала:
2025,
Номер
192(6)
Опубликована: Май 9, 2025
Язык: Английский
Lab-on-a-Scalpel: Medical Tool Incorporating a Disposable Fully 3D-Printed Electrochemical Cell Promoting Drop-Volume Chemical Analysis in the Operating Theater
Analytical Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 12, 2025
Surgical
operations
are
intricate
and
invasive
procedures
that
require
continuous
monitoring
of
the
patient's
biochemical
profile.
Point-of-care
testing
would
allow
healthcare
professionals
to
identify
abnormalities
make
necessary
interventions
minimize
risk
complications
ensure
patient
safety.
To
this
end,
we
report
development
a
disposable
compact
fully
3D-printed
electrochemical
cell
incorporated
into
medical
scalpel
(Lab-on-a-Scalpel),
aiming
promote
on-site
(electro)chemical
analysis
in
operating
theater.
This
multifunctional
device
minimizes
number
instruments
needed
during
surgery
can
be
fabricated
on-demand
by
using
desktop-sized
3D
printer
at
very
low
cost.
The
performance
Lab-on-a-Scalpel
sensing
was
evaluated
over
various
techniques
(cyclic
voltammetry,
amperometry,
differential
pulse
voltammetry)
different
setups
(stirring,
drop-volume
analysis,
polarization
potentials,
etc.)
for
determination
epinephrine.
Results
showed
attractive
analytical
figures-of-merit,
with
limit
detection
(LOD)
reaching
0.13
μM,
high
accuracy
recovery
studies
conducted
on
artificial
blood
samples.
Our
findings
suggest
is
valuable
tool
enables
near-patient
diagnostics
minimum
sample
volume
holds
promise
become
an
essential
robotic-assisted
surgery.
Язык: Английский
Microcrystalline Cellulose-Infused Additive Manufactured Filaments: A Sustainable Path to Enhancing Electrochemical Sensors
ACS Applied Engineering Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 4, 2025
Язык: Английский
3D-Printed Dual-Channel Flow-Through Miniaturized Devices with Dual In-Channel Electrochemical Detection
Analytical Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 24, 2024
Here,
we
present
three-dimensional-printed
dual-channel
flow-through
miniaturized
devices
(3Dd)
with
dual
electrochemical
detection
(EDd)
integrating
two
working
electrodes
each
in
an
in-channel
configuration
(3Dd-EDd).
Prussian
Blue
(PB)
shell-gold
nanoparticles
((PB)AuNP)
core-based
electrochemistry
was
chosen
for
selective
hydrogen
peroxide
determination.
3Dd-EDd
exhibited
impress
stability,
identical
intrachannel
and
interchannel
performances,
excellent
interdevice
precision
values
under
9%,
revealing
the
reliability
of
design
fabrication
devices.
enabled
long-term
reliable
determination
at
physiological
pH
Caco-2
cells
prooxidant
stimulation
demonstrating
its
outstanding
electroanalytical
performance.
The
results
highlight
analytical
versatility
trustworthiness
3D-printing-based
scale
advanced
potential
real-time
cell
monitoring.
Язык: Английский
Dispositivo coletor-detector fabricado aditivamente para análise de explosivos utilizando filamento de PLA reciclado carregado com carbon black e/ou grafite
Опубликована: Дек. 12, 2024
RESUMOO
2,4,6-trinitrotolueno
(TNT)
é
um
explosivo
amplamente
empregado
em
atividades
militares
devido
seu
baixo
custo
e
baixa
sensibilidade
a
impactos
mecânicos.Muito
utilizado
também
ataques
terroristas
eventos
criminosos,
seus
resíduos
subprodutos
se
tornam
vestígios
investigações
forenses,
sendo
que
alguns
dos
métodos
utilizados
por
peritos
para
detecção
de
TNT
são
caros,
trabalhosos
não
portáteis.Com
isso,
tem-se
necessidade
desenvolver
sensíveis,
baratos
portáteis
rápida
do