ABSTRACT
The
prevalence
of
foodborne
outbreaks
due
to
the
consumption
uncooked
and
ready‐to‐eat
fruits
vegetables
has
seen
a
noticeable
increase,
particularly
in
environments
lacking
sanitation.
This
article
extensively
explores
recent
advancements
detection
pathogens
vegetables,
alongside
potential
prevention
strategies.
Predominantly,
like
Listeria
monocytogenes
,
Escherichia
coli
Salmonella
enterica
are
main
culprits
linked
these
food
items
globally.
Notably,
contamination
is
more
prevalent
fresh
leafy
greens
than
fruit
products.
Various
methods
such
as
culturing,
microscopy,
immunological
assays,
polymerase
chain
reaction
(PCR),
biosensors,
hyperspectral
imaging
have
proven
effective
identifying
foods.
Nonetheless,
come
with
challenges,
including
time
consumption,
accuracy
concerns,
high
costs.
Research
ongoing
refine
techniques,
efforts
combining
methodologies
PCR–enzyme‐linked
immunosorbent
assay
integrating
culturing
PCR.
Additionally,
several
interventions,
cold
plasma
treatment,
ultraviolet
irradiation,
application
edible
coatings,
shown
promise
mitigating
risks,
thereby
enhancing
safety
produce
items.
ECS Journal of Solid State Science and Technology,
Год журнала:
2023,
Номер
12(3), С. 037003 - 037003
Опубликована: Март 1, 2023
The
state-of-the-art
diabetes
diagnosis
is
concerned
with
developing
non-invasive
nano-enabled
exhaled
breath-acetone
detection
strategies.
This
communication
details
the
potential
of
polypyrrole(PPy)–
Silver/silver
chloride
(Ag/AgCl)
ternary
nanocomposites
(NCs)
for
monitoring
low-trace
acetone
in
human
breath
diagnosis.
PPy–Ag/AgCl
NCs
were
synthesized
through
situ
chemical
oxidative
polymerization
aniline
by
silver
nitrate
presence
hydrochloric
acid.
morphological
analysis
revealed
existence
spherical
Ag/AgCl
nanoparticles
(diameter
∼50
nm)
embedded
PPy
matrix
nano
fibrillar
morphology
∼20
nm).
structural
investigations
confirm
co-existence
PPy,
Ag
and
AgCl
nanocomposite.
NC
exhibited
manifold
superior
sensing
performance
towards
low
trace
(as
as
∼1
ppm)
excellent
sensitivity
(∼20%),
prompt
response
(∼20
s),
fast
recovery
(∼100s),
linear
detecting
range,
high
repeatability
at
room
temperature
compared
to
pristine
PPy.
It
attributed
synergistic
effects
due
physicochemical
merits
all
precursors.
Moreover,
it
showed
stability
selectivity
prominent
interfering
VOCs
varying
humidity.
opens
a
new
window
non-invasive,
economic,
energy-efficient
point-of-care
sensors
diagnosing
humans
and,
revolutionizing
clinical
diagnostics
personal
healthcare.
Biosensors,
Год журнала:
2023,
Номер
13(10), С. 922 - 922
Опубликована: Окт. 11, 2023
Food
and
waterborne
illnesses
are
still
a
major
concern
in
health
food
safety
areas.
Every
year,
almost
0.42
million
2.2
deaths
related
to
illness
reported
worldwide,
respectively.
In
foodborne
pathogens,
bacteria
such
as
Salmonella,
Shiga-toxin
producer
Escherichia
coli,
Campylobacter,
Listeria
monocytogenes
considered
be
high-concern
pathogens.
High-concern
pathogens
Vibrio
cholerae,
leptospirosis,
Schistosoma
mansoni,
Schistosima
japonicum,
among
others.
Despite
the
efforts
of
water
quality
control
monitor
presence
these
kinds
sources,
occurrence
is
high
globally.
For
reasons,
development
novel
faster
pathogen-detection
methods
applicable
real-time
surveillance
strategies
required.
Methods
based
on
biosensor
devices
have
emerged
tools
for
detection
contrast
traditional
that
usually
time-consuming
unsuitable
large-scale
monitoring.
Biosensor
can
summarized
use
biochemical
reactions
with
biorecognition
section
(isolated
enzymes,
antibodies,
tissues,
genetic
materials,
or
aptamers)
detect
most
cases,
biosensors
correlation
electrical,
thermal,
optical
signals
pathogen
biomarkers.
The
application
nano
molecular
technologies
allows
identification
high-sensibility
manner,
at
extremely
low-pathogen
concentrations.
fact,
integration
gold,
silver,
iron,
magnetic
nanoparticles
(NP)
has
demonstrated
an
improvement
their
functionality.
present
review
summarizes
principal
nanomaterials
biosensor-based
samples.
Additionally,
it
highlights
through
nanomaterials.
Nanomaterials
offer
unique
advantages
detection.
nanoscale
specific
surface
area
more
effective
interaction
pathogenic
agents,
enhancing
sensitivity
selectivity
biosensors.
Finally,
biosensors’
capability
functionalize
molecules
antibodies
nucleic
acids
facilitates
target
Journal of Physics Photonics,
Год журнала:
2024,
Номер
6(2), С. 025002 - 025002
Опубликована: Фев. 2, 2024
Abstract
Surface-enhanced
Raman
spectroscopy
(SERS)
is
a
powerful
optical
sensing
technique
used
in
various
applications,
including
medicine,
microbiology,
and
environmental
analysis.
Planar
SERS
substrates
are
of
particular
interest
due
to
their
ease
integration
lab-on-chips
better
reproducibility
compared
colloidal
SERS.
The
performance
these
quantified
using
metrics
such
as
enhancement
factor,
sensitivity,
reproducibility.
However,
there
yet
be
consensus
on
how
practically
compare
interpret
publications
experiments.
These
strongly
influenced
by
the
nanostructures’
material,
architecture,
element
sizes,
well
circumstances
surrounding
Understanding
effect
characteristics
substrates’
could
not
only
enable
but
also
direct
development
for
different
applications.
Thus,
we
prepared
planar
SERS-substrate
characterization
methodology
explore
correlation
between
physical
through
coordinate-transformed
spectroscopic
measurements
over
structure-characterized
areas.
Seven
commercial
substrates,
with
surface
architectures
fabricated
fabrication
technologies,
were
studied
this
benchmarking
methodology.
results
demonstrated
can
indicate
substrate’s
suitability
specific
application,
thus,
guiding
further
adaptations
or
development.
Foods,
Год журнала:
2024,
Номер
13(23), С. 3886 - 3886
Опубликована: Дек. 1, 2024
Foodborne
pathogens
are
microorganisms
that
cause
illness
through
contamination,
presenting
significant
risks
to
public
health
and
food
safety.
This
review
explores
the
metabolites
produced
by
these
pathogens,
including
toxins
secondary
metabolites,
their
implications
for
human
health,
particularly
concerning
cancer
risk.
We
examine
various
such
as
Salmonella
sp.,
Campylobacter
Escherichia
coli,
Listeria
monocytogenes,
detailing
specific
of
concern
carcinogenic
mechanisms.
study
discusses
analytical
techniques
detecting
chromatography,
spectrometry,
immunoassays,
along
with
challenges
associated
detection.
covers
effective
control
strategies,
processing
techniques,
sanitation
practices,
regulatory
measures,
emerging
technologies
in
pathogen
control.
manuscript
considers
broader
highlighting
importance
robust
policies,
awareness,
education.
identifies
research
gaps
innovative
approaches,
recommending
advancements
detection
methods,
preventive
policy
improvements
better
manage
foodborne
metabolites.
Comprehensive Reviews in Food Science and Food Safety,
Год журнала:
2024,
Номер
23(3)
Опубликована: Май 1, 2024
Abstract
New
food
sources
and
production
systems
(NFPS)
are
garnering
much
attention,
driven
by
international
trade,
changing
consumer
preferences,
potential
sustainability
benefits,
innovations
in
climate‐resilient
systems.
However,
NFPS
can
introduce
new
challenges
for
safety
agencies
manufacturers.
Most
hazards
linked
to
foods
have
been
identified
traditional
foods.
there
be
some
that
unique
ingredients,
inputs,
processes
unexpected
contaminants.
To
realize
the
full
of
NFPS,
is
a
need
stakeholders
from
governments,
industry,
research
community
collectively
work
address
communicate
products.
This
review
outlines
known
associated
with
select
products
on
market,
namely,
plant‐derived
proteins,
seaweeds,
jellyfish,
insects,
microbial
as
well
derived
cell‐based
production,
precision
fermentation,
vertical
farming,
3D
printing.
We
identify
common
elements
emerging
regulatory
frameworks
various
countries/regions.
Furthermore,
we
highlight
current
efforts
harmonization
terminologies,
use
recent
scientific
tools
fill
knowledge
gaps,
multi‐stakeholder
collaborations
tackle
challenges.
Although
cannot
one‐size‐fits‐all
approach
when
it
comes
oversight
ensuring
develop
consensus‐based
structured
protocols
or
workflows
among
facilitate
comprehensive,
robust,
internationally
harmonized
approaches.
These
increase
consumers’
confidence
contribute
toward
fair
practices
trade
such
Materials Today Bio,
Год журнала:
2024,
Номер
28, С. 101185 - 101185
Опубликована: Авг. 5, 2024
3D
bioprinting
technologies
and
bioink
development
are
enabling
significant
advances
in
miniaturized
integrated
biosensors.
For
example,
bioreceptors
can
be
immobilized
within
a
porous
structure
to
significantly
amplify
the
signal,
while
biocompatible
mechanically
flexible
systems
uniquely
enable
wearable
chem-
bio-sensors.
This
advancement
is
accelerating
translation
by
production
of
high
performance,
reproducible,
analytical
devices.
The
formulation
plays
crucial
role
determining
bio-functionality
resulting
printed
structures,
e.g.,
porosity
that
allows
analyte
diffuse
through
structure,
affinity
avidity
receptors,
etc.
review
explores
next
generation
advanced
bioinks
for
biosensor
provides
insights
into
latest
cutting-edge
technologies.
methods
available
fabrication
including
inkjet,
extrusion,
laser-based
bioprinting,
discussed.
advantages
limitations
each
method
analysed,
recent
advancements
presented.
then
delves
properties
bioinks,
such
as
biocompatibility,
printability,
stability,
applicability.
Different
types
explored,
multicomponent,
stimuli-responsive,
conductive
bioinks.
Finally,
biosensors
considered,
identifying
possible
new
opportunities
challenges.
Overall,
this
literature
highlights
combined
importance
high-performance
Abstract
The
potential
threat
posed
by
disease
outbreaks
to
diagnostic
instruments
demands
the
development
of
more
effective
biosensor
technologies
counteract
risks.
Diseases
like
SARS-CoV-2,
Ebola,
malaria,
cholera,
and
many
have
demonstrated
beyond
limits
health
care
that
new
advancements
are
required
for
early
detection
diagnosis.
rising
number
diseases
has
led
an
increasing
demand
biosensors
quicker
utilize
in
healthcare
settings.
A
incorporated
with
microfluidic
chips
offers
improved
compared
traditional
or
classical
biosensors.
Microfluidic
improve
performance
allowing
automation,
mixing,
separation,
throughput
processing,
transport
analytes
desired
reactors.
a
chip
sensitivity,
easy
operation
can
use
small
volumes
samples
process
results.
effectiveness
depends
also
on
materials
used
its
fabrication
there
which
reviewed
this
work.
This
paper
reviews
advantages
enhance
biosensors,
fabricate
chips,
electrodes
into
time
shortening
processing
at
point
service.
work
not
previously
addressed
other
including,
integration
cell-imprinted
polymers
sensors
delved
future
outlook.
