Challenges and Applications of Bio-Sniffers for Monitoring Volatile Organic Compounds in Medical Diagnostics
Yang Wang,
No information about this author
xiaoyun zhou,
No information about this author
Siying Mao
No information about this author
et al.
Chemosensors,
Journal Year:
2025,
Volume and Issue:
13(4), P. 127 - 127
Published: April 3, 2025
Bio-sniffers
represent
a
novel
detection
technology
that
demonstrates
significant
potential
in
medical
diagnostics.
Specifically,
they
assess
disease
conditions
and
metabolic
status
through
the
of
volatile
organic
compounds
(VOCs)
exhaled
breath.
Unlike
conventional
methods
such
as
gas
chromatography-mass
spectrometry
(GC-MS)
chromatography
time-of-flight
mass
(GC-TOF-MS),
bio-sniffers
provide
rapid,
sensitive,
portable
capabilities.
In
this
review,
we
examine
pathways
specific
VOCs
human
body,
their
roles
biomarkers,
focus
on
principles,
performance
characteristics,
applications
two
bio-sniffer
types:
electrical
optical
sensors.
Finally,
systematically
discuss
current
challenges
facing
VOC
monitoring,
outline
future
development
directions,
suggestions
for
improving
sensitivity
reducing
environmental
interference.
Language: Английский
Ultra-sensitive CuAl2O4 Nanoflakes for ppb level detection of Isopropanol
Ceramics International,
Journal Year:
2024,
Volume and Issue:
50(22), P. 46356 - 46363
Published: Sept. 1, 2024
Language: Английский
Ordered 2D Gold Nanoparticle Films for Sensing of Toluene and Ethanol Gases
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 14, 2024
The
use
of
metallic
nanoparticles
as
building
blocks
toward
the
synthesis
self-assembled
films
creates
intriguing
opportunities
for
generating
advanced
materials
with
multifunctional
properties.
To
achieve
that,
uniformed
gold
protected
by
alkanethiols
have
been
used
to
form
highly
ordered
two-dimensional
(2D)
monolayer
at
air/water
interface
aid
Langmuir–Blodgett
technique.
These
display
a
hexagonal
close-packed
structure
controlled
interparticle
distance
1.3
±
0.45,
1.9
0.65,
and
2.2
0.64
nm,
respectively,
changing
chain
length
alkylthiol
ligands.
Further
investigation
suggests
that
driving
force
formation
2D
nanoparticle
is
van
der
Waals
force,
which
exponentially
decreased
increase
Significantly,
their
optical,
adhesive,
hydrophobic,
electric
properties
can
also
be
varied
Based
on
excellent
performances,
they
designing
vapor
sensors
detect
toluene
ethanol
gases,
found
possess
stability,
appreciable
recovery
time,
much
lower
LOD
than
other
sensing
systems.
Besides,
important
parameters
these
obtained,
including
active
energy,
electrical
conductivity,
contact
angle.
In
summary,
our
research
provides
an
effective
way
preparing
hydrophobic
forming
close-packing
via
regulation
interactions
during
self-assembly,
not
only
multiple
performances
but
many
promising
applications,
such
sensors.
Language: Английский
Sensing of n-Butanol Vapours with Oxygen Vacancy-Enriched Zn2SnO4-SnO2 Hybrid-composite
Reshmi Thekke Parayil,
No information about this author
Snehangshu Paine,
No information about this author
K. Mukherjee
No information about this author
et al.
Physical Chemistry Chemical Physics,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 30, 2024
The
precise
identification
of
various
toxic
gases
is
important
to
prevent
health
and
environmental
hazards
using
cost-effective,
efficient,
metal
oxide-based
chemiresistive
sensing
methods.
Language: Английский