Enhanced detection of explosives: A novel approach using poly(2-oxazoline)s-based molecularly imprinted polymers combined with ambient mass spectrometry
European Polymer Journal,
Journal Year:
2025,
Volume and Issue:
224, P. 113704 - 113704
Published: Jan. 4, 2025
Language: Английский
Sorptive tape-spray tandem mass spectrometry using aluminum foil coated with mixed-mode microparticles
Talanta,
Journal Year:
2024,
Volume and Issue:
272, P. 125774 - 125774
Published: Feb. 8, 2024
Direct
mass
spectrometry
(MS)
is
an
exciting
strategy
in
bioanalysis,
enabling
rapid
decision-making
different
scenarios.
Its
application
usually
hindered
by
matrix
effects
and
the
typically
low
concentration
of
target
compounds
biofluids.
In
this
sense,
combining
a
previous
sample
preparation
step
minimizes
or
removes
these
shortcomings.
This
article
describes
sorptive
tape-spray
tandem
(STS-MS/MS)
based
on
mixed-mode
particles
as
to
combine
MS
analysis
single
device.
The
technique
uses
tape
(ST)
consisting
polymeric
microparticles
(combining
ionic
exchange
hydrophobic
interactions)
coated
over
aluminum
foil
spatial
controlled
way.
tapes
act
phases
isolate
analytes
from
substrates
for
STS-MS/MS.
performance
has
been
evaluated
developing
method
determine
codeine
saliva
proof
concept.
affordability
STs
elements
allows
many
individual
at
cost
so
that
several
samples
can
be
extracted
simultaneously,
thus
increasing
throughput.
extraction
variables
were
optimized
following
multivariate
approach.
Working
under
optimum
conditions,
limit
detection
was
0.3
μg
L
Language: Английский
iTASO: A Novel Photosensitive Probe for High-Throughput and Selective Submetabolomic Analysis via Flow Injection-Mass Spectrometry
Peirong Bai,
No information about this author
Na An,
No information about this author
Yanzhen Wang
No information about this author
et al.
Analytical Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 13, 2025
Flow
injection
mass
spectrometry
(FI-MS)
is
widely
employed
for
high-throughput
metabolome
analysis,
yet
the
absence
of
prior
separation
leads
to
significant
matrix
effects,
thereby
limiting
coverage.
In
this
study,
we
introduce
a
novel
photosensitive
MS
probe,
iTASO-ONH2,
integrated
with
FI-MS
establish
strategy
submetabolome
analyses.
The
iTASO
probe
features
conjugated-imino
sulfonate
moiety
efficient
photolysis
under
365
nm
irradiation
and
reactive
group
selective
metabolite
labeling.
iTASO-ONH2
effectively
selectively
labels
carbonyl
compounds,
forming
highly
stable
labeled
products.
Upon
UV
exposure,
products
rapidly
release
sulfonic
acid-containing
products,
detectable
high
sensitivity
in
ESI-negative
mode
low
effect,
offering
femtomole-level
detection
sensitivity.
iTASO-ONH2-based
was
applied
fecal
samples
from
chronic
sleep-deprived
control
mice,
revealing
192
potential
compounds
which
37
exhibited
alterations.
Additionally,
three
other
probes─iTASO-NH2,
iTASO-NHS,
iTASO-MAL─were
synthesized
label
carboxyl,
amino,
thiol
metabolites,
respectively,
underscoring
versatility
iTASO-based
submetabolomic
analysis
across
diverse
classes.
Language: Английский
Straightforward Creation of Multishell Hollow Hybrids for an Integrated Metabolic Monitoring System in Disease Management
Man Zhang,
No information about this author
Fangying Shi,
No information about this author
Yijie Chen
No information about this author
et al.
Small,
Journal Year:
2024,
Volume and Issue:
20(33)
Published: March 26, 2024
Multidimensional
metabolic
analysis
has
become
a
new
trend
in
establishing
efficient
disease
monitoring
systems,
as
the
constraints
associated
with
relying
solely
on
single
dimension
refined
are
increasingly
pronounced.
Here,
coordination
polymers
employed
derivative
precursors
to
create
multishell
hollow
hybrids,
developing
an
integrated
system.
Briefly,
fingerprints
extracted
from
hundreds
of
serum
samples
and
urine
samples,
encompassing
not
only
membranous
nephropathy
but
also
related
diseases,
using
high-throughput
mass
spectrometry.
With
optimized
algorithm
initial
feature
selection,
established
combined
panel
demonstrates
enhanced
accuracy
both
subtype
differentiation
(over
98.1%)
prognostic
95.6%),
even
during
double
blind
test.
This
surpasses
biomarker
(≈90.7%
for
subtyping,
≈89.7%
prognosis)
(≈94.4%
≈76.5%
prognosis).
Moreover,
after
attempting
further
refine
marker
panel,
test
maintains
equal
sensitivity,
specificity,
accuracy,
showcasing
comprehensive
improvement
over
single-fluid
approach.
underscores
remarkable
effectiveness
superiority
strategy
discriminating
between
MN
other
groups.
work
potential
significantly
advance
diagnostic
medicine,
leading
establishment
more
effective
strategies
patient
management.
Language: Английский
Rapid metabolic profiling and authentication of Cordyceps using ambient ionization mass spectrometry and machine learning
Wenbo Ma,
No information about this author
Myoung-Suk Song,
No information about this author
Zhigang Ji
No information about this author
et al.
Analytical and Bioanalytical Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 11, 2025
Language: Английский
Profiling of Biofluid Metabolites with a Kinetically Differentiated Binary Biosensing Platform
Bing Qi,
No information about this author
Ziyun Miao,
No information about this author
Jiahui Tan
No information about this author
et al.
Analytical Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 26, 2025
Biofluid
metabolites
have
a
crucial
linkage
with
the
health
of
human
body,
and
developing
universal
method
for
metabolite
monitoring
is
imperative
disease
diagnosis
management.
Herein,
we
report
kinetically
differentiated
binary
biosensing
platform
that
specifically
responsive
to
NAD(P)H
profiling
diverse
biofluid
metabolites.
The
comprises
cyanine
derivative
dye
fast
reaction
kinetics
quinolinium
slow
kinetics.
Compared
traditional
unitary
strategy
detection,
linear
range
widened
by
up
20
times.
are
ubiquitous
cofactors
in
living
systems,
production
generally
involves
consumption
or
generation
NAD(P)H.
Thus,
can
be
easily
quantified
measuring
variation
concentration
during
biochemical
reactions
platform.
In
this
study,
serum
sorbitol,
2-hydroxybutyric
acid
(2HB),
α-ketoglutarate
(AKG)
were
all
accuracies
higher
than
93%.
extended
analysis
any
molecule
react
directly
indirectly
addition,
constructed
paper-based
assay
platform,
test
papers
showed
good
promise
point-of-care
(POC)
This
study
proposes
simple
expand
calibration
detection
systems
further
provides
paradigm
high
throughput
disease-associated
biomolecules,
which
offers
Language: Английский
Efficacy of Urine Asymmetric Dimethylarginine Concentration to Predict Azotemia in Hyperthyroid Cats After Radio‐Iodine Treatment
Journal of Veterinary Internal Medicine,
Journal Year:
2025,
Volume and Issue:
39(3)
Published: April 24, 2025
ABSTRACT
Background
Hyperthyroidism
can
mask
concurrent
chronic
kidney
disease
in
cats,
and
no
accurate
biomarkers
are
available
to
predict
which
cats
will
develop
renal
azotemia
after
radioiodine
(
131
I)
treatment.
Hypothesis/Objectives
To
evaluate
the
potential
of
serum
urinary
metabolites
metabolite
ratios
post‐
I
hyperthyroid
cats.
Animals
Hyperthyroid
n
=
31),
before
(3–12
months)
treatment
with
at
Faculty
Veterinary
Medicine
(Ghent
University,
Belgium).
Methods
Retrospective
study.
Optimized
validated
feline
extraction
analysis
protocols
were
employed
for
metabolic
profiling
urine
samples
using
ultra‐high
performance
liquid
chromatography–high‐resolution
mass
spectrometry.
A
dual
strategy
cross‐validated
univariate
penalized
multivariate
logistic
regression
was
applied
determine
predictivity
(i.e.,
area
under
curve
[AUC],
accuracy,
sensitivity,
specificity)
individual
panels.
Results
All
non‐azotemic
administration.
After
treatment,
7
became
persistently
(≥
2
timepoints)
azotemic
while
24
remained
non‐azotemic.
Urinary
asymmetric
dimethylarginine
(ADMA)
identified
as
a
pivotal
predictor
both
modeling.
When
standalone
biomarker,
an
AUC
0.851,
accuracy
0.903,
sensitivity
0.714,
specificity
0.958
achieved.
While
pre‐treatment
USG
significantly
different
P
0.002)
between
groups,
it
did
not
show
enhanced
prediction
over
ADMA,
nor
Conclusions
Clinical
Importance
ADMA
accurately
becoming
euthyroid
These
findings
aid
clinicians
managing
owner
expectations
modify
plans.
Language: Английский
MASS SPECTROMETRY-BASED HIGH-THROUGHPUT SAMPLE TREATMENT METHODS FOR ANALYSIS OF XENOBIOTICS IN HUMAN BIOFLUIDS
Advances in Sample Preparation,
Journal Year:
2025,
Volume and Issue:
14, P. 100183 - 100183
Published: April 28, 2025
Language: Английский
3D-printing advances mass spectrometry in biomedical analysis
LabMed discovery.,
Journal Year:
2024,
Volume and Issue:
1(1), P. 100010 - 100010
Published: Aug. 8, 2024
Mass
spectrometry
(MS)
is
an
analytical
technique
for
molecular
identification
and
characterization,
with
applications
spanning
various
scientific
disciplines.
Despite
its
significance,
MS
faces
challenges
in
widespread
adoption
due
to
cost
constraints,
instrument
portability
issues,
complex
sample
handling
requirements.
In
recent
years,
3D
printing
has
emerged
as
a
technology
across
industries
cost-effectiveness,
customization
capabilities,
rapid
prototyping
features.
This
review
explores
the
integration
of
overcome
existing
limitations
enhance
biomedical
analysis
capabilities.
We
first
categorize
mainstream
methods
assess
their
potential
applications.
also
discuss
roles
different
categories
such
liquid/gas
chromatography
(LC/GC
MS),
ambient
ionization
(AIMS),
matrix-assisted
laser
desorption/ionization
(MALDI
MS)
research.
Additionally,
we
highlight
current
future
research
directions
advancing
printing-assisted
mass
spectrometry,
emphasizing
role
enabling
portable,
cost-effective,
customized
solutions
analysis.
Language: Английский
Metabolomics‐driven approaches for identifying therapeutic targets in drug discovery
Sophearith Pan,
No information about this author
Lichang Yin,
No information about this author
Jie Liu
No information about this author
et al.
MedComm,
Journal Year:
2024,
Volume and Issue:
5(11)
Published: Nov. 1, 2024
Abstract
Identification
of
therapeutic
targets
can
directly
elucidate
the
mechanism
and
effect
drug
therapy,
which
is
a
central
step
in
development.
The
disconnect
between
protein
phenotypes
under
complex
mechanisms
hampers
comprehensive
target
understanding.
Metabolomics,
as
systems
biology
tool
that
captures
phenotypic
changes
induced
by
exogenous
compounds,
has
emerged
valuable
approach
for
identification.
A
overview
was
provided
this
review
to
illustrate
principles
advantages
metabolomics,
delving
into
application
metabolomics
This
outlines
various
metabolomics‐based
methods,
such
dose–response
stable
isotope‐resolved
multiomics,
identify
key
enzymes
metabolic
pathways
affected
substances
through
dose‐dependent
metabolite–drug
interactions.
Emerging
techniques,
including
single‐cell
artificial
intelligence,
mass
spectrometry
imaging,
are
also
explored
their
potential
enhance
discovery.
emphasizes
metabolomics'
critical
role
advancing
our
understanding
disease
accelerating
targeted
development,
while
acknowledging
current
challenges
field.
Language: Английский