Fully Integrated Centrifugal Microfluidics for Rapid Exosome Isolation, Glycan Analysis, and Point-of-Care Diagnosis
ACS Nano,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 27, 2025
Exosomes
present
in
the
circulatory
system
demonstrate
considerable
promise
for
diagnosis
and
treatment
of
diseases.
Nevertheless,
complex
nature
blood
samples
prevalence
highly
abundant
proteins
pose
a
significant
obstacle
to
prompt
effective
isolation
functional
evaluation
exosomes
from
blood.
Here,
we
fully
integrated
lab-on-a-disc
equipped
with
two
nanofilters,
also
termed
iExoDisc,
which
facilitates
automated
400
μL
within
45
min.
By
integrating
plasma
separation
module,
protein
removal
nanopore
membrane-based
total
resulting
exhibited
significantly
increased
purity
(∼3-6-fold)
compared
conventional
ultracentrifugation
polymer
precipitation.
Additionally,
then
successfully
performed
nontargeted
targeted
glycan
profiling
on
derived
clinical
triple-negative
breast
cancer
(TNBC)
patients
using
MALDI-TOF-MS
lectin
microarray
containing
56
kinds
lectins.
The
findings
both
methodologies
indicated
that
galactosylation
sialylation
exhibit
potential
as
diagnostic
indicators
TNBC.
Finally,
by
utilizing
exosome-specific
glycosylated
CD63
proof-of-concept,
realized
integration
point-of-care
on-chip
exosome
situ
detection
2
h.
Thus,
iExoDisc
provides
approach
early
detection,
liquid
biopsy,
diagnosis.
Язык: Английский
Artificial Intelligence Enhanced Microfluidic System for Multiplexed Point-of-care-testing of Biological Thiols
Talanta,
Год журнала:
2025,
Номер
287, С. 127619 - 127619
Опубликована: Янв. 23, 2025
Язык: Английский
Freeze–Thaw Imaging for Microorganism Classification Assisted with Artificial Intelligence
ACS Nano,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 19, 2025
Fast
and
cost-effective
microbial
classification
is
crucial
for
clinical
diagnosis,
environmental
monitoring,
food
safety.
However,
traditional
methods
encounter
challenges
including
intricate
procedures,
skilled
personnel
needs,
sophisticated
instrumentations.
Here,
we
propose
a
microbe
system,
also
termed
freeze-thaw-induced
floating
pattern
of
AuNPs
(FTFPA),
coupled
with
artificial
intelligence,
which
capable
identifying
microbes
at
cost
$0.0023
per
sample.
Specifically,
FTFPA
utilizes
coincubation
microbes,
resulting
in
distinct
patterns
upon
freeze-thawing
due
to
their
weak
interaction.
These
are
digitized
train
models
that
distinguish
nine
various
tasks.
The
positive
sample
detection
model
achieved
an
F1
score
0.976
(n
=
194),
while
the
multispecies
task
reached
macro
0.859
1728).
To
address
scalability
lightweight
requirements
across
diverse
scenarios,
categorized
based
on
species
levels.
hierarchical
5184),
order
level
Enterobacteriales
2550),
Bacillales
1974)
was
0.854,
0.907,
0.958,
0.843.
In
summary,
our
method
user-friendly,
requiring
only
simple
equipment,
easy
operate,
convenient,
providing
platform
identification.
Язык: Английский
Liquid Biopsy on Microfluidics: From Existing Endogenous to Emerging Exogenous Biomarkers Analysis
Analytical Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 18, 2025
Liquid
biopsy
is
an
appealing
approach
for
early
diagnosis
and
assessment
of
treatment
efficacy
in
cancer.
Typically,
liquid
involves
the
detection
endogenous
biomarkers,
including
circulating
tumor
cells
(CTCs),
extracellular
vesicles
(EVs),
DNA
(ctDNA),
RNA
(ctRNA),
proteins.
The
levels
these
biomarkers
are
higher
cancer
patients
compared
to
those
healthy
individuals.
However,
clinical
application
using
biomarker
analysis
faces
challenges
due
its
low
abundance
poor
stability
circulation.
Recently,
a
promising
strategy
involving
engineering
exogenous
probes
has
been
developed
overcome
limitations.
These
activated
within
microenvironment,
generating
distinct
markers
that
can
be
easily
distinguished
from
background
biological
signals.
Alternatively,
labeled
with
intrinsic
vivo
detected
vitro
after
metabolic
processes.
In
this
review,
we
primarily
focus
on
microfluidic-based
techniques
allow
transition
analyzing
existing
emerging
ones.
First,
introduce
common
as
well
synthetic
Next,
discuss
recent
advancements
both
biomarkers.
Lastly,
provide
insights
into
future
directions
microfluidic
systems.
Язык: Английский