Journal of Chromatography A,
Journal Year:
2024,
Volume and Issue:
1718, P. 464697 - 464697
Published: Feb. 3, 2024
Quantification
of
proteins
is
still
predominantly
done
by
the
traditional
bottom-up
approach.
Targeting
intact
in
complex
biological
matrices
connected
with
multiple
challenges
during
sample
pretreatment,
separation,
and
detection
step
analytical
workflow.
In
this
work,
we
focused
on
development
an
on-line
hyphenated
capillary
zone
electrophoresis-mass
spectrometry
method
employing
off-line
microscale
solid-phase
extraction
based
hydrophilic
lipophilic
balance
(HLB)
sorbent
as
a
pretreatment
for
analysis
low
molecular
mass
(<20
kDa)
spiked
various
fluids
(human
serum,
plasma,
urine,
saliva).
A
detailed
optimization
process
involved
selection
suitable
surface,
background
electrolyte
(BGE),
comparison
two
in-capillary
preconcentration
methods,
namely
transient
isotachophoresis
(tITP)
dynamic
pH
junction
(DPJ),
to
enhance
sensitivity
method.
Optimum
separation
analytes
was
achieved
using
uncoated
bare
fused
silica
500
mM
formic
acid
(pH
1.96)
+
5%
(v/v)
acetonitrile
BGE.
tITP
utilized
optimum
technique,
achieving
19-
127-fold
increase
signal
intensity
when
200
ammonium
formate
(adjusted
4.00)
leading
BGE
terminating
electrolyte.
Off-line
eluate
treatment
procedures
evaluated
ensure
compatibility
selected
preconcentration,
process.
Achieved
recoveries
were
range
76-100%
12-54%
21-106%
25-98%
saliva
evaporated
reconstituted
solution
achieve
The
validated
across
different
matrices,
offering
good
linearity,
accuracy,
precision,
making
it
proteomic
studies
(e.g.,
therapeutic
drug
monitoring,
biomarker
research)
samples.
Molecular Horticulture,
Journal Year:
2022,
Volume and Issue:
2(1)
Published: July 23, 2022
Over
the
past
decade,
systems
biology
and
plant-omics
have
increasingly
become
main
stream
in
plant
research.
New
developments
mass
spectrometry
bioinformatics
tools,
methodological
schema
to
integrate
multi-omics
data
leveraged
recent
advances
proteomics
metabolomics.
These
progresses
are
driving
a
rapid
evolution
field
of
research,
greatly
facilitating
our
understanding
mechanistic
aspects
metabolisms
interactions
plants
with
their
external
environment.
Here,
we
review
MS-based
metabolomics
tools
workflows
special
focus
on
applications
research
using
several
case
studies
related
stress
response,
gene/protein
function
characterization,
metabolic
signaling
pathways
exploration,
natural
product
discovery.
We
also
present
projection
concerning
future
perspectives
development
including
challenges
for
system
biology.
This
is
intended
provide
readers
an
overview
how
advanced
MS
technology,
integrated
application
can
be
used
advance
Separations,
Journal Year:
2019,
Volume and Issue:
6(4), P. 47 - 47
Published: Oct. 2, 2019
Metal–organic
frameworks
(MOFs)
have
attracted
recently
considerable
attention
in
analytical
sample
preparation,
particularly
when
used
as
novel
sorbent
materials
solid-phase
microextraction
(SPME).
MOFs
are
highly
ordered
porous
crystalline
structures,
full
of
cavities.
They
formed
by
inorganic
centers
(metal
ion
atoms
or
metal
clusters)
and
organic
linkers
connected
covalent
coordination
bonds.
Depending
on
the
ratio
such
precursors
synthetic
conditions,
characteristics
resulting
MOF
vary
significantly,
thus
drifting
into
a
countless
number
interesting
with
unique
properties.
Among
astonishing
features
MOFs,
their
high
chemical
thermal
stability,
easy
tuneability,
simple
synthesis,
impressive
surface
area
(which
is
highest
known),
most
attractive
that
makes
them
outstanding
SPME.
This
review
offers
an
overview
current
state
use
different
SPME
configurations,
all
cases
covering
extraction
devices
coated
(or
incorporating)
particular
emphases
preparation.
Molecules,
Journal Year:
2020,
Volume and Issue:
25(21), P. 4869 - 4869
Published: Oct. 22, 2020
Solid
phase
extraction
(SPE)
is
an
analytical
procedure
developed
with
the
purpose
of
separating
a
target
analyte
from
complex
sample
matrix
prior
to
quantitative
or
qualitative
determination.
The
such
treatment
twofold:
elimination
constituents
that
could
interfere
detection
process
even
damage
equipment
as
well
enriching
in
so
it
readily
available
for
detection.
Dispersive
solid
(dSPE)
recent
development
standard
SPE
technique
attracting
growing
attention
due
its
remarkable
simplicity,
short
time
and
low
requirement
solvent
expenditure,
accompanied
by
high
effectiveness
wide
applicability.
This
review
aims
thoroughly
survey
recently
conducted
studies
focusing
on
methods
utilizing
novel,
interesting
nanomaterials
dSPE
sorbents,
known
materials
have
been
only
successfully
applied
techniques,
evaluate
their
performance
suitability
based
comparison
previously
reported
procedures.
TrAC Trends in Analytical Chemistry,
Journal Year:
2023,
Volume and Issue:
166, P. 117151 - 117151
Published: June 24, 2023
The
exposome
is
the
measure
of
total
environmental
exposures
and
has
a
significant
impact
on
human
health
outcomes.
Exposomics
research
typically
examines
complex
biological
samples
assesses
100s
to
1,000s
small
molecules
associated
with
chemical
exposure
events.
To
acquire
robust
comprehensive
datasets
encompassing
broad
range
multi-class
biomarkers
exposures,
high-resolution
tandem
mass
spectrometry
have
emerged
as
preferred
analytical
tools
in
field.
Due
matrix
effects
interferences
together
presence
very
low
abundance
analytes,
sensitivity
reproducibility
plagued
exposomic
studies.
This
especially
true
for
large
sample
sets
where
adequate
robustness
frequently
lacking.
A
possible
solution
this
problem
development
non-discriminatory
preparation
methods
which
can
reduce
while
increasing
reproducibility.
However,
techniques
intrinsically
result
discrete
loss
analytes
leading
outstanding
challenge
finding
proper
balance.
Therefore,
approaches
decrease
preserving
coverage
need
be
developed.
In
review,
procedures
currently
applied
related
fields
are
summarized
critically
evaluated.
includes
comparison
advantages
limitations
between
different
such
solid-phase
extraction,
liquid
QuEChERS,
filters
dilute
shoot
chromatography-mass
analysis
focus.
Based
evaluation,
recommendations
promoting
balanced
strategies
future
applications
provided.
Biotechnology Advances,
Journal Year:
2024,
Volume and Issue:
71, P. 108307 - 108307
Published: Jan. 5, 2024
Bioassays
are
the
main
tool
to
decipher
bioactivities
from
natural
resources
thus
their
selection
and
quality
critical
for
optimal
bioprospecting.
They
used
both
in
early
stages
of
compounds
isolation/purification/identification,
later
evaluate
safety
efficacy.
In
this
review,
we
provide
a
comprehensive
overview
most
common
bioassays
discovery
development
new
bioactive
with
focus
on
marine
bioresources.
We
present
list
practical
considerations
selecting
appropriate
discuss
detail
typically
explore
antimicrobial,
antibiofilm,
cytotoxic,
antiviral,
antioxidant,
anti-ageing
potential.
The
concept
control
bioassay
validation
introduced,
followed
by
considerations,
which
advancing
higher
stage
development.
conclude
providing
an
application-oriented
view
focused
pharmaceuticals,
food
supplements,
cosmetics,
industrial
pipelines
where
currently
known
products
hold
highlight
importance
gaining
reliable
results,
as
these
serve
starting
point
application-based
further
testing,
well
consideration
regulatory
authorities.
Separation Science Plus,
Journal Year:
2025,
Volume and Issue:
8(1)
Published: Jan. 1, 2025
ABSTRACT
In
this
research,
the
metal–organic
framework
MIL‐101(Cr)
and
porous
Teflon–fluorocarbon
resin
(ChromosorbT,
40–60
mesh)
are
physically
mixed
used
as
a
novel
micro‐solid‐phase
extraction
(µ‐SPE)
cartridge
sorbent
for
efficient
enrichment
of
nine
multiclass
pesticides
from
fruit
juice
samples,
followed
by
gas
chromatography–mass
spectrometry.
Several
experimental
parameters,
including
effect
weight,
ratio
ChromosorbT
weight
to
sorbent,
flow
rate
sample
solution,
volume
type
elution
solvent,
were
investigated
optimized.
The
limits
detection
(LODs,
S/N
=
3)
quantification
(LOQs,
10)
all
analytes
obtained
proposed
method
in
ranges
0.1–1.5
µg/L
0.5–5
µg/L,
respectively.
intra‐
interday
(
n
precisions
at
spiked
levels
5
10
0.1%–11.5%
0.1%–7.2%,
addition,
two
above‐mentioned
concentrations,
achieved
recovery
percentages
60.7–102.9
when
applied
determine
real
samples
spiked.
According
advantageous
findings,
was
simple,
sensitive,
fast,
had
great
potential
extracting
analyzing
pesticide
residues
samples.