Harnessing CRISPR/Cas Systems for DNA and RNA Detection: Principles, Techniques, and Challenges
Biosensors,
Год журнала:
2024,
Номер
14(10), С. 460 - 460
Опубликована: Сен. 26, 2024
The
emergence
of
CRISPR/Cas
systems
has
revolutionized
the
field
molecular
diagnostics
with
their
high
specificity
and
sensitivity.
This
review
provides
a
comprehensive
overview
principles
recent
advancements
in
harnessing
for
detecting
DNA
RNA.
Beginning
an
exploration
mechanisms
key
Cas
proteins
underpinning
systems,
navigates
detection
both
pathogenic
non-pathogenic
nucleic
acids,
emphasizing
pivotal
role
CRISPR
identifying
diverse
genetic
materials.
discussion
extends
to
integration
various
signal-readout
techniques,
including
fluorescence,
electrochemical,
colorimetric,
as
well
imaging
biosensing
methods,
highlighting
advantages
limitations
practical
applications.
Furthermore,
critical
analysis
challenges
field,
such
target
amplification,
multiplexing,
quantitative
detection,
underscores
areas
requiring
further
refinement.
Finally,
concludes
insights
into
future
directions
CRISPR-based
acid
potential
these
continue
driving
innovation
diagnostics,
broad
implications
research,
clinical
practice,
biotechnology.
Язык: Английский
CRISPR/Cas-powered “sweet” DNA nano-sponge for highly sensitive detection of pathogen nucleic acid with portable personal glucometer
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 160618 - 160618
Опубликована: Фев. 1, 2025
Язык: Английский
Deactivated Cas9-Engineered Magnetic Micromotors toward a Point-of-Care Digital Viral RNA Assay
ACS Nano,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 28, 2025
Digital
nucleic
acid
assays,
known
for
their
high
sensitivity
and
specificity,
typically
rely
on
fluorescent
readouts
expensive
complex
nanowell
manufacturing,
which
constrain
broader
use
in
point-of-care
(POC)
application.
Here,
we
introduce
an
alternative
digital
molecular
diagnostics,
termed
dCRISTOR,
by
seamlessly
integrating
deactivated
Cas9
(dCas9)-engineered
micromotors,
extraction-free
loop-mediated
isothermal
amplification
(LAMP),
low-cost
bright
field
microscopy,
deep
learning-enabled
image
processing.
The
micromotor,
composed
of
a
polystyrene
sphere
attached
to
magnetic
bead,
incorporates
dCas9
ribonucleoprotein
complex.
presence
human
immunodeficiency
virus-1
(HIV-1)
RNA
sample
results
the
formation
large-sized
amplicons
that
can
be
specifically
captured
reducing
velocity
induced
external
field.
micromotor
is
propelled
field,
eliminates
need
chemical
fuels,
system
complexity,
allowing
precise
control
over
movement,
enhancing
accuracy
reliability.
A
convolutional
neural
network
classification-based
multiobject
tracking
algorithm,
CNN-MOT,
accurately
measures
change
motion,
facilitating
binary
assay
format
("1"
or
"0")
simplified
result
interpretation
without
user
bias.
Incorporating
LAMP
streamlines
dCRISTOR
workflow,
enabling
qualitative
HIV-1
detection
spiked
plasma
(n
=
21)
demonstrates
100%
specificity
achieves
limit
(LOD)
0.96
copies/μL.
also
achieved
correlation
with
reverse
transcription-quantitative
polymerase
chain
reaction
(RT-qPCR)
clinical
patient
samples
9).
assay,
label-free
testing
fluorescence
readouts,
absorbance
measurements,
manufacturing
processes,
represents
substantial
advancement
viral
diagnostics.
Язык: Английский
A Patient-Centered Approach in Sensor Science: Embracing Patient Engagement for Translational Clinical Technologies
ACS Sensors,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 19, 2025
With
the
goal
of
impacting
patient
quality
life
and
outcomes,
sensor
science
offers
significant
potential
to
revolutionize
healthcare
by
providing
advances
in
detection
molecular
biomarkers
for
personalized
clinical
technologies.
The
community
has
achieved
technical
advancements
that
can
impact
diagnostics,
health
monitoring,
disease
treatment;
however,
many
innovations
remain
confined
laboratory,
failing
bridge
translational
gap
between
research
real-world
applications.
This
perspective
presents
a
new
direction
community,
where
development
centers
on
needs
experiences
primary
beneficiaries:
patients.
We
provide
guidelines
resources
researchers
engage
with
patients
early
continuously
throughout
process
inform
specifications
better
align
technologies
needs,
improving
their
adoption
impact.
also
present
examples
implementing
patient-centered
approach
planning
engagement
research.
In
design
impactful
sensors
patients,
must
expand
focus
beyond
embrace
approach,
which
will
likely
lead
opportunities
collaboration
evolution
community.
Язык: Английский
A programmable magnetic digital microfluidic platform integrated with electrochemical detection system
Microsystems & Nanoengineering,
Год журнала:
2025,
Номер
11(1)
Опубликована: Май 12, 2025
Digital
microfluidic
(DMF)
technology
is
widely
used
in
bioanalysis
and
chemical
reactions
due
to
its
accuracy
flexibility
manipulating
droplets.
However,
most
DMF
systems
usually
rely
on
complex
electrode
fabrication
high
driving
voltages.
Sensor
integration
also
quite
rare.
In
this
study,
a
programmable
magnetic
digital
(PMDMF)
platform
integrated
with
electrochemical
detection
system
was
proposed.
It
enables
non-contact,
flexible
droplet
manipulation
without
processes
voltages,
meeting
the
requirements
of
automated
detection.
The
includes
control
system,
chip,
an
system.
consists
microcoil
array
circuit
board,
N52
permanent
magnet,
Arduino
module.
magnets
generate
localized
fields
drive
movement,
while
module
for
precise
manipulation.
maximum
average
velocity
about
3.9
cm/s.
chip
fabricated
using
3D
printing
superhydrophobic
surface
by
spray
coating.
MoS2@CeO2/PVA
working
electrode,
Ag/AgCl
reference
carbon
counter
electrode.
To
evaluate
practical
value
platform,
glucose
sweat
automatically
accurately
detected.
proposed
has
wide
linear
range
(0.01-0.25
mM),
lower
LOD
(6.5
μM),
superior
sensitivity
(7833.54
μA·mM-1·cm-2),
excellent
recovery
rate
(88.1-113.5%).
extensive
potential
future
application
medical
diagnostics
point-of-care
testing.
Язык: Английский
CRISPR/Cas-powered nucleic acid amplification and amplification-free biosensors for public safety detection: Principles, advances and prospects
Bo Yi,
Baoqing Zhou,
Donggen Zhou
и другие.
Biotechnology Advances,
Год журнала:
2025,
Номер
unknown, С. 108609 - 108609
Опубликована: Май 1, 2025
Язык: Английский
CRISPR Digital Sensing: From Micronano-Collaborative Chip to Biomolecular Detection
ACS Nano,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 24, 2025
The
Clustered
Regularly
Interspaced
Short
Palindromic
Repeats
(CRISPR)
sensing
technology
proved
to
be
valuable
during
the
COVID-19
pandemic
through
its
sensitivity,
specificity,
robustness,
and
versatility.
However,
issues
such
as
overreliance
on
amplification,
susceptibility
false
positives,
lack
of
quantification
strategies,
complex
operation
procedures
have
hindered
broader
application
in
bioanalysis
clinical
diagnostics.
collision
between
micronano-collaborative
chips
CRISPR
has
effectively
addressed
these
bottlenecks,
offering
innovative
solutions
for
diagnosis
treatment.
Unlike
conventional
micronano
chips,
digital
enhance
CRISPR's
response
trace
amounts
target
molecules
by
leveraging
highly
controllable
local
environments
compartmentalized
microreactors.
This
advancement
improves
detection
efficiency
revolutionizes
traditional
vitro
bioanalytical
processes.
First,
working
principles,
fabrication
techniques,
performance
metrics
CRISPR-based
droplet
microfluidics
microarray
are
examined.
Then,
applications
bioassays
reviewed,
emphasizing
their
importance
advancing
systems
gene
editing.
Finally,
prospects
explored,
particularly
potential
body
surface
biomonitoring
development
opportunities
biomedical
field.
Язык: Английский