Critical Reviews in Analytical Chemistry,
Год журнала:
2023,
Номер
unknown, С. 1 - 27
Опубликована: Ноя. 7, 2023
This
review
summarizes
(i)
compositions
and
types
of
improvised
explosive
devices;
(ii)
the
process
collection,
extraction
analysis
evidence
encountered
in
related
cases;
(iii)
inter-comparison
analytical
techniques;
(iv)
challenges
prospects
detection
technology.
The
highlights
this
study
include
extensive
information
regarding
National
&
International
standards
specified
by
USEPA,
ASTM,
so
on,
for
explosives
detection.
holistic
development
tools
ranging
from
conventional
methods
to
advanced
is
also
covered
article.
most
important
aspect
make
forensic
scientists
familiar
with
during
steps
avoid
them.
problems
can
be
analyte-based,
that
is,
interferences
due
matrix
or
added
molding/stabilizing
agents,
trace
amount
parent
post-blast
samples
many
more.
Others
are
techniques-based
viz.
specificity,
selectivity,
sensitivity
technique.
Thus,
it
has
become
a
primary
concern
adopt
rapid,
field
deployable,
highly
sensitive
techniques.
National Science Review,
Год журнала:
2022,
Номер
9(10)
Опубликована: Июль 22, 2022
To
create
an
artificial
structure
to
remarkably
surpass
the
sensitivity,
selectivity
and
speed
of
olfaction
system
animals
is
still
a
daunting
challenge.
Herein,
we
propose
core-sheath
pillar
(CSP)
architecture
with
perfect
synergistic
interface
that
effectively
integrates
advantages
metal-organic
frameworks
metal
oxides
tackle
above-mentioned
The
sheath
material,
NH2-MIL-125,
can
concentrate
target
analyte,
nitro-explosives,
by
1012
times
from
its
vapour.
band-matched
enables
TiO2
core
harvest
utilize
visible
light.
At
room
temperature
under
light,
CSP
(TiO2,
NH2-MIL-125)
shows
unexpected
self-promoting
analyte-sensing
behaviour.
Its
experimentally
reached
limit
detection
(∼0.8
ppq,
hexogeon)
103
lower
than
lowest
one
achieved
sniffer
dog
or
all
sensing
techniques
without
analyte
pre-concentration.
Moreover,
sensor
exhibits
excellent
against
commonly
existing
interferences,
short
response
time
0.14
min.
Sustainability,
Год журнала:
2022,
Номер
14(18), С. 11516 - 11516
Опубликована: Сен. 14, 2022
Ambient
air
quality
is
a
complex
issue
that
depends
on
multiple
interacting
factors
related
to
emissions
coming
from
energy
production
and
use,
transportation,
industrial
processes,
agriculture,
waste
wastewater
treatment
sectors.
It
also
impacted
by
adverse
meteorological
conditions,
pollutants
concentrations,
their
transport
dispersion
in
the
atmosphere,
topographic
constraints.
Therefore,
distribution
not
uniform
monitoring
at
proper
temporal
spatial
resolution
necessary.
Drone-borne
analytical
instrumentation
can
fulfill
these
requirements.
Thanks
rapid
development
drone
manufacturing
sector
as
well
field
of
portable
detectors
construction,
applications
unmanned
aerial
vehicles
(UAVs)
for
atmospheric
pollution
are
growing.
The
purpose
this
work
give
an
overview
matter.
paper
contains
basic
information
UAVs
(i.e.,
description
different
types
drones
with
advantages
disadvantages)
low-cost
gas
sensors,
multi-sensor
systems,
electronic
noses,
high-accuracy
optical
analyzers,
particle
counters,
radiation
detectors)
used
airborne
pollution.
Different
ways
payload
integration
addressed
examples
commercially
available
solutions
given.
Examples
drone-borne
systems
natural
volcanoes,
thawing
permafrost,
wildfires)
anthropological
urbanization
industrialization;
extraction,
storage
fossil
fuels;
exploitation
radioactive
materials;
treatment;
agriculture)
sources
described.
Finally,
current
limitations
future
perspectives
discussed.
Although
there
great
potential
monitoring,
several
should
be
years.
Future
research
focus
improving
performances
solving
problems
insufficient
capacity
limited
flight
time
commonly
drones.
We
predict
drone-assisted
measurements
will
grow
following
years,
especially
odor
monitoring.
Sensors,
Год журнала:
2022,
Номер
22(4), С. 1510 - 1510
Опубликована: Фев. 15, 2022
Waste
management
plants
are
one
of
the
most
important
sources
odorants
that
may
cause
odor
nuisance.
The
monitoring
processes
involved
in
waste
treatment
and
disposal
as
well
assessment
impact
vicinity
this
type
facilities
require
two
different
but
complementary
approaches:
analytical
sensory.
purpose
work
is
to
present
these
approaches.
Among
sensory
techniques
dynamic
field
olfactometry
considered,
whereas
methodologies
represented
by
gas
chromatography-mass
spectrometry
(GC-MS),
single
sensors
electronic
noses
(EN).
latter
core
paper
discussed
details.
Since
design
multi-sensor
arrays
development
machine
learning
algorithms
challenging
parts
EN
construction
a
special
attention
given
recent
advancements
sensitive
layers
current
challenges
data
processing.
review
takes
also
into
account
relatively
new
systems
based
on
mass
flash
chromatography
technologies.
Numerous
examples
applications
devices
measurements
order
summarize
efforts
scientists
instruments
for
constant
chosen
(composting,
anaerobic
digestion,
biofiltration)
nuisance
associated
with
facilities.
The
olfactory
system
can
detect
and
recognize
tens
of
thousands
volatile
organic
compounds
(VOCs)
at
low
concentrations
in
complex
environments.
Bioelectronic
nose
(B-EN),
which
mimics
systems,
is
becoming
an
emerging
sensing
technology
for
identifying
VOCs
with
sensitivity
specificity.
B-ENs
integrate
electronic
sensors
bioreceptors
pattern
recognition
technologies
to
enable
medical
diagnosis,
public
security,
environmental
monitoring,
food
safety.
However,
there
currently
no
commercially
available
B-EN
on
the
market.
Apart
from
high
selectivity
necessary
compound
analysis,
commercial
must
overcome
issues
impacting
sensor
operation
other
problems
associated
odor
localization.
emergence
nanotechnology
has
provided
a
novel
research
concept
addressing
these
problems.
In
this
work,
structure
operational
mechanisms
biomimetic
systems
are
discussed,
emphasis
development
immobilization
materials.
Various
biosensor
applications
current
developments
reviewed.
Challenges
opportunities
fulfilling
potential
artificial
biohybrid
fundamental
practical
investigated
greater
depth.
TrAC Trends in Analytical Chemistry,
Год журнала:
2024,
Номер
177, С. 117783 - 117783
Опубликована: Май 21, 2024
In
the
field
of
cancer
detection,
development
affordable,
quick,
and
user-friendly
sensors
capable
detecting
various
biomarkers,
including
those
for
lung
(LC),
holds
utmost
significance.
Sensors
are
expected
to
play
a
crucial
role
in
early-stage
diagnosis
diseases.
Among
range
options,
emerge
as
particularly
appealing
diseases,
owing
their
cost-effectiveness,
simplicity,
promising
analytical
performance.
There
is
growing
interest
application
molecularly
imprinted
polymers
(MIPs)
recognition
elements
gas
sensors.
MIPs,
leading
technology
sensing
analytes
where
no
suitable
bioreceptor
exists,
commonly
used
artificial
that
can
be
applied
key
fields
like
early
disease
diagnostics,
based
on
detection
volatile
biomarkers.
an
extensive
demand
early,
non-invasive
diseases
self-monitoring
health
conditions.
Detection
biomarkers
point-of-care
mode
remains
challenging
limited
by
factors.
Hence,
breath
analysis
has
received
enormous
attention
healthcare
due
its
relatively
low
cost,
sampling
method,
rapid
capabilities.
The
latest
developments
MIP-based
utility
through
comprehensively
critically
evaluated
this
review.
Furthermore,
challenges
perspectives
elaborated
upon,
with
view
towards
introduction
market
successful
commercialization.
