IntechOpen eBooks,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 19, 2024
The
development
and
uses
of
electrochemical
biosensors
for
antibiotic
detection
are
covered
in
detail
this
chapter.
Electrochemical
have
emerged
as
a
possible
answer
to
the
pressing
demand
quick
sensitive
techniques
due
growing
prevalence
resistance.
first
section
introduces
fundamental
concepts
antibiotics
their
sensing,
including
mechanisms
transduction
various
types
electrodes
transducers
employed.
Next,
several
biosensor
designs,
those
based
on
enzymes,
aptamers,
molecularly
imprinted
polymers,
examined
detection.
Key
performance
measures
reviewed,
along
with
obstacles
constraints
field,
sensitivity,
specificity,
reaction
time.
chapter
emphasizes
combination
nanomaterials
microfluidics
improve
functioning,
well
current
advancements
future
directions.
It
aims
provide
valuable
insights
researchers
practitioners
field
biosensing
by
offering
comprehensive
overview
technologies
developments.
Micro-
and
nanoplastic
particles
(MNPPs)
are
emerging
pollutants
with
significant
environmental
impacts
due
to
their
persistence,
increasing
concentrations,
potential
health
risks.
Most
MNPP
studies
have
focused
on
identifying,
quantifying,
assessing
ecotoxicological
in
water
or
soil.
However,
the
atmosphere
is
crucial
transporting
chemically
transforming
MNPPs.
Further,
well-established
aerosol
particle
characterization
techniques
underutilized
inconsistently
applied
existing
atmospheric
studies.
This
perspective
synthesizes
literature
addresses
future
research
needs
unique
MNPPs,
highlighting
need
bridge
microplastics
communities
better
understand
sources,
chemical
transformations,
transport
mechanisms,
as
well
effects
ecological
impacts,
which
differ
from
those
soil
water.
Advancing
these
areas
requires
standardized
methods
a
multidisciplinary
approach
comprehensively
assess
interactions
across
compartments,
providing
essential
insights
into
fate
Single-particle
inductively
coupled
plasma
mass
spectrometry
(spICP-MS)
has
been
used
for
particle
size
measurement
of
diverse
types
individual
nanoparticles
and
micrometer-sized
carbon-based
particles,
such
as
microplastics.
However,
its
applicability
to
the
non-carbon-based
particles
silica
(SiO2)
is
unclear.
In
this
study,
spICP-MS
non-porous/mesoporous
SiO2
micro-spheres
with
a
nominal
diameter
5.0
µm
or
smaller
was
investigated.
Particle
sizes
these
microspheres
were
measured
using
both
based
on
conventional
calibration
approach
an
ion
standard
solution
scanning
electron
microscopy
(SEM)
reference
technique
results
compared.
The
distributions
obtained
techniques
in
agreement
within
analytical
uncertainty.
detection
metal-containing
protein-binding
mesoporous
also
Bound
iron
(Fe)-containing
proteins
(i.e.,
lactoferrin
transferrin)
detected
Fe
presence
marker
proteins.
Thus,
applicable
large-sized
microspheres;
it
considerable
potential
element-based
qualification
bound
mes-oporous
variety
applications.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(5), P. 1086 - 1086
Published: Feb. 29, 2024
Single-particle
inductively
coupled
plasma
mass
spectrometry
(spICP-MS)
has
been
used
for
particle
size
measurement
of
diverse
types
individual
nanoparticles
and
micrometer-sized
carbon-based
particles
such
as
microplastics.
However,
its
applicability
to
the
non-carbon-based
silica
(SiO2)
is
unclear.
In
this
study,
spICP-MS
non-porous/mesoporous
SiO2
microspheres
with
a
nominal
diameter
5.0
µm
or
smaller
was
investigated.
Particle
sizes
these
were
measured
using
both
based
on
conventional
calibration
approach
an
ion
standard
solution
scanning
electron
microscopy
reference
technique,
results
compared.
The
distributions
obtained
techniques
in
agreement
within
analytical
uncertainty.
technique
detection
metal-containing
protein-binding
mesoporous
also
Bound
iron
(Fe)-containing
proteins
(i.e.,
lactoferrin
transferrin)
detected
Fe
presence
marker
proteins.
Thus,
applicable
large-sized
microspheres.
It
considerable
potential
element-based
qualification
bound
variety
applications.
REVISTA AMBIENTAL AGUA AIRE Y SUELO,
Journal Year:
2024,
Volume and Issue:
15(1), P. 1 - 20
Published: May 5, 2024
Este
artículo
de
investigación
presenta
una
revisión
bibliográfica
exhaustiva
sobre
los
métodos
muestreo
aplicados
en
la
evaluación
microplásticos
ecosistemas
fluviales.
La
creciente
preocupación
torno
a
contaminación
por
entornos
acuáticos
exige
enfoques
rigurosos.
El
objetivo
principal
este
estudio
es
evaluar
críticamente
las
metodologías
existentes,
destacando
sus
fortalezas
y
limitaciones.
Al
examinar
técnicas
convencionales
emergentes,
busca
ofrecer
recomendaciones
para
mejorar
futuras
investigaciones.
A
través
un
análisis
meticuloso
investigaciones
previas,
tiene
como
comprensión
presencia
sistemas
