Chemical Engineering Science,
Год журнала:
2024,
Номер
298, С. 120370 - 120370
Опубликована: Июнь 12, 2024
The
extraction
of
volatile
fatty
acids
(VFAs)
from
an
aqueous
solution
derived
by
fermentation
food
waste
is
a
key
challenge
in
the
context
circular
economy,
thanks
to
their
high
economic
and
environmental
impact
due
wide-ranging
use
various
industrial
fields.
In
this
work,
we
compared
two
different
methods:
one
novel
classical.
Firstly,
iron
oxide
nanoparticles
around
10
nm
were
prepared
used
as
they
are
or
functionalised
using
(3-Aminopropyl)triethoxysilane)
(APTES)
molecules,
adipic
acid
oleic
acid.
This
was
with
traditional
method
(liquid–liquid
extraction)
that
can
guarantee
VFAs
reproducibility.
Indeed
dichloromethane,
hexane,
methyl
tert-butyl
ether
presented
values
up
30
%
while
NPs
showed
results
low
comparison
demonstrated
promising
solvent
for
liquid–liquid
VFAs.
Chemosensors,
Год журнала:
2022,
Номер
10(9), С. 363 - 363
Опубликована: Сен. 9, 2022
The
world
of
sensors
is
diverse
and
advancing
at
a
rapid
pace
due
to
the
fact
its
high
demand
constant
technological
improvements.
Electrochemical
provide
low-cost
convenient
solution
for
detection
variable
analytes
are
widely
utilized
in
agriculture,
food,
oil
industries
as
well
environmental
biomedical
applications.
popularity
electrochemical
sensing
stems
from
two
main
advantages:
variability
reporting
signals,
such
voltage,
current,
overall
power
output,
or
impedance,
low
theoretical
limits
that
originate
differences
Faradaic
nonFaradaic
currents.
This
review
article
attempts
cover
latest
advances
applications
different
industries.
role
nanomaterials
sensor
research
advancements
also
examined.
We
believe
information
presented
here
will
encourage
further
efforts
on
understanding
progress
sensors.
Abstract
The
colloidal
synthesis
of
functional
nanoparticles
has
gained
tremendous
scientific
attention
in
the
last
decades.
In
parallel
to
these
advancements,
another
rapidly
growing
area
is
self‐assembly
or
self‐organization
nanoparticles.
First,
organization
into
ordered
structures
important
for
obtaining
interfaces
that
extend
even
amplify
intrinsic
properties
constituting
at
a
larger
scale.
large‐scale
using
complex
intricately
designed
nanostructures
as
building
blocks,
requires
highly
controllable
techniques
down
nanoscale.
certain
cases,
example,
when
dealing
with
plasmonic
nanoparticles,
assembly
further
enhances
their
by
coupling
phenomena.
other
process
itself
useful
final
application
such
sensing
and
drug
delivery,
amongst
others.
view
importance
this
field,
review
provides
comprehensive
overview
recent
developments
field
nanoparticle
applications.
For
clarity,
self‐assembled
are
classified
two
broad
categories:
finite
clusters/patterns,
infinite
films.
Different
state‐of‐the‐art
obtain
discussed
detail,
before
discussing
applications
where
significantly
performance
process.
RSC Advances,
Год журнала:
2023,
Номер
13(19), С. 12760 - 12780
Опубликована: Янв. 1, 2023
Foodborne
diseases
have
arisen
due
to
the
globalization
of
industry
and
increase
in
urban
population,
which
has
led
increased
demand
for
food
ultimately
endangered
quality
food.
caused
some
most
common
public
health
problems
significant
social
economic
issues
worldwide.
Food
safety
are
affected
by
microbial
contaminants,
growth-promoting
feed
additives
(β-agonists
antibiotics),
allergens,
toxins
different
stages
from
harvesting
storage
marketing
products.
Electrochemical
biosensors,
their
reduced
size
portability,
low
cost,
consumption
reagents
samples,
can
quickly
provide
valuable
quantitative
qualitative
information
about
contamination.
In
this
regard,
using
nanomaterials
sensitivity
assessment.
Magnetic
nanoparticle
(MNP)-based
especially,
receiving
attention
low-cost
production,
physicochemical
stability,
biocompatibility,
eco-friendly
catalytic
characteristics,
along
with
magnetic,
biological,
chemical
electronic
sensing
features.
Here,
we
a
review
on
application
iron-based
magnetic
nanoparticles
electrochemical
The
types
used
order
improve
methods
been
discussed.
Then,
stated
advantages
limitations
each
method
tried
state
research
gaps
platform/method.
Finally,
role
microfluidic
smartphone-based
rapid
detection
contamination
is
stated.
various
techniques
like
label-free
labelled
regimes
sensitive
monitoring
were
surveyed.
Next,
critical
antibody,
aptamer,
peptide,
enzyme,
DNA,
cells
so
construction
specific
bioreceptors
individual
simultaneous
recognition
integration
novel
technologies
such
as
smartphones
identification
contaminations
investigated.
It
important
point
out
that,
last
part
sub-section,
attained
results
reports
strategy
compared
advantages/limitations
mentioned.
Superparamagnetic
iron
oxide
nanoparticles
(SPIONs)
exhibit
unique
properties
for
diverse
biomedical
applications,
including
drug
delivery
and
diagnostic
imaging.
Actively
targeted
SPIONs
enhance
to
diseased
sites,
reducing
side
effects
enhancing
treatment
efficacy.
However,
the
development
of
reproducible
functionalization
protocols
is
challenged
by
erratic
behavior
in
suspensions,
such
as
agglomeration
sedimentation.
In
this
study,
a
method
developed
systematically
optimized
attach
Fc-region
antibodies
onto
silica-coated
via
click
chemistry,
ensuring
controlled
ligand
orientation
on
particle
surface.
The
synthesis
successive
modifications
with
organic
moieties
are
presented
resulting
final
conjugation
targeting
intercellular
adhesion
molecule
1
(ICAM1).
This
protein
upregulated
epithelial
cell
surfaces
during
gastrointestinal
inflammation.
Thermogravimetric
analysis
infrared
spectroscopy
confirm
successful
SPION
after
each
modification
step.
Cell
viability
assessment
indicates
no
adverse
bioconjugated
particles.
Quantitative
elemental
reveals
significantly
higher
concentration
inflammation-induced
Caco-2
cells
exposed
ICAM1-modified
particles
compared
non-conjugated
counterparts.
Furthermore,
laser
scanning
confocal
microscopy
these
suggests
surface
interaction
internalization
SPIONs,
underscoring
their
potential
imaging
therapy
inflammatory
diseases.
ACS Omega,
Год журнала:
2023,
Номер
8(19), С. 16587 - 16599
Опубликована: Май 5, 2023
In
this
work,
indium
tin
oxide
(ITO)
electrodes
were
functionalized
with
varying
3-aminopropyltriethoxysilane
(APTES)
concentration
percentages
(0.5,
0.75,
1.0,
and
2.0
wt
%)
to
obtain
the
optimum
conditions
for
assembly
of
as-synthesized
gold
nanoparticles
(AuNPs).
The
AuNP
coverage,
wettability,
electrochemical
performance
modified
evaluated.
AuNP/0.75%
APTES-ITO-modified
electrode
exhibited
uniform
coverage
AuNPs
high
simultaneous
detection
Cd(II),
Pb(II),
Cu(II)
ions.
Under
conditions,
showed
a
linear
range
5-120
ppb
limit
0.73,
0.90,
0.49
ions,
respectively,
via
square
wave
anodic
stripping
voltammetry.
demonstrated
good
anti-interference
toward
other
heavy
metal
reproducibility,
suitability
application
in
environmental
sample
analysis.
