ACS Applied Bio Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 15, 2024
Nucleic
acid
detection
is
important
in
a
wide
range
of
applications,
including
disease
diagnosis,
genetic
testing,
biotechnological
research,
environmental
monitoring,
and
forensic
science.
However,
the
application
nucleic
various
fields
hindered
by
lack
sensitive,
accurate,
inexpensive
methods.
This
study
introduces
simple
approach
to
enhance
sensitivity
for
accurate
acids.
Our
combined
split-probe
strategy
with
vitro
translational
amplification
reporter
protein
signal
generation
detect
acids
high
selectivity.
enables
target-mediated
proteins
linking
split
probes
presence
target
microRNA
(miRNA).
In
particular,
fluorescence
sensor
adopts
wavelength
regions,
enabling
simultaneous
multiple
miRNAs.
Moreover,
luminescence
merely
altering
sequence
can
substantially
Using
this
system,
we
analyzed
quantified
miRNAs
total
RNA
extracted
from
cell
lines
cell-derived
extracellular
vesicles
specificity
accuracy.
has
potential
as
powerful
tool
simple,
specific
Critical Reviews in Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 25
Published: Sept. 17, 2024
This
comprehensive
review
delves
into
the
advancements
and
challenges
in
biosensing,
with
a
strong
emphasis
on
transformative
potential
of
CRISPR
technology
for
early
rapid
detection
infectious
diseases.
It
underscores
versatility
CRISPR/Cas
systems,
highlighting
their
ability
to
detect
both
nucleic
acids
non-nucleic
acid
targets,
seamless
integration
isothermal
amplification
techniques.
The
provides
thorough
examination
latest
developments
CRISPR-based
biosensors,
detailing
unique
properties
such
as
high
specificity
programmability,
which
make
them
particularly
effective
detecting
disease-associated
acids.
While
focuses
due
its
critical
role
diagnosing
diseases,
it
also
explores
broader
applications
thereby
acknowledging
technology's
potential.
Additionally,
identifies
existing
challenges,
need
improved
signal
real-world
applicability,
offers
future
perspectives
aimed
at
overcoming
these
hurdles.
ultimate
goal
is
advance
development
highly
sensitive
specific
biosensors
that
can
be
used
widely
improving
human
health,
point-of-care
settings
resource-limited
environments.
Expert Review of Molecular Diagnostics,
Journal Year:
2024,
Volume and Issue:
24(6), P. 509 - 524
Published: June 2, 2024
Introduction
Suitable
sample
collection
and
preparation
methods
are
essential
to
enable
nucleic
acid
amplification
testing
at
the
point
of
care
(POC).
Strategies
that
allow
direct
isothermal
(iNAAT)
crude
lysate
without
need
for
extraction
minimize
time
result
as
well
operator
expertise
costly
infrastructure.
Infectious Diseases and Therapy,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 16, 2024
Antimicrobial
resistance
is
a
significant
global
public
health
issue,
and
the
dissemination
of
antibiotic
in
Gram-positive
bacterial
pathogens
has
significantly
increased
morbidity,
mortality
rates,
healthcare
costs.
Among
them,
Staphylococcus,
especially
methicillin-resistant
Staphylococcus
aureus
(MRSA),
causes
wide
range
diseases
due
to
its
diverse
pathogenic
factors
infection
strategies.
These
bacteria
also
present
issues
veterinary
medicine
food
safety.
Effectively
managing
staphylococci-related
problems
necessitates
concerted
effort
implement
preventive
measures,
rapidly
detect
pathogen,
develop
new
safe
antimicrobial
therapies.
In
recent
years,
there
been
growing
interest
using
endolysins
combat
infections.
enzymes,
which
are
referred
as
lysins,
unique
class
hydrolytic
enzymes
synthesized
by
double-stranded
DNA
bacteriophages.
They
possess
glycosidase,
lytic
transglycosylase,
amidase,
endopeptidase
activities,
effectively
destroying
peptidoglycan
layer
resulting
lysis.
This
property
makes
powerful
agents,
particularly
against
organisms
with
more
accessible
layers.
Therefore,
considering
potential
benefits
compared
conventional
antibiotics,
we
have
endeavored
gather
review
characteristics
uses
derived
from
staphylococcal
bacteriophages,
well
their
antibacterial
effectiveness
spp.
based
on
conducted
experiments
trials.
Biosensors,
Journal Year:
2025,
Volume and Issue:
15(3), P. 162 - 162
Published: March 3, 2025
The
accurate
detection
of
Mycobacterium
tuberculosis
(MTB)
is
a
pressing
challenge
in
the
precise
prevention
and
control
tuberculosis.
Currently,
efficiency
accuracy
drug
resistance
for
MTB
are
low,
cross-contamination
common,
making
it
inadequate
clinical
needs.
This
study
developed
rapid
nucleic
acid
method
based
on
scattering
loop-mediated
isothermal
amplification
(LAMP).
Specific
primers
MTB-specific
gene
(Ag85B)
were
designed,
LAMP
reaction
system
was
optimized
using
self-developed
turbidimeter.
Experimental
results
showed
that
optimal
included
1.5
µL
100
mmol/L
magnesium
ions,
3.5
10
dNTPs,
6
1.6
mol/L
betaine,
temperature
65
°C.
minimum
limit
12.40
ng/L,
with
fastest
time
being
approximately
min.
exhibited
good
specificity,
no
bands
other
pathogens.
Twenty
culture-positive
samples
twenty
culture-negative
tested
parallel;
positive
group
100%,
(24.9
±
13
min),
there
negative
detection.
features
high
efficiency,
low
cost,
accuracy,
effectively
reduces
cross-contamination,
providing
new
technology
MTB.
Frontiers in Microbiology,
Journal Year:
2025,
Volume and Issue:
16
Published: March 20, 2025
Bloodstream
infections
(BSIs)
pose
a
significant
diagnostic
challenge,
largely
due
to
the
limitations
of
traditional
methods
such
as
blood
cultures.
These
often
yield
low
positive
rates,
have
lengthy
processing
times
that
delay
treatment,
and
are
limited
in
detecting
only
narrow
range
pathogens.
Such
delays
inaccuracies
can
critically
impede
timely
clinical
interventions,
potentially
compromising
patient
outcomes.
Next-generation
sequencing
(NGS)
is
powerful
tool
for
rapid,
precise
pathogen
identification.
While
metagenomic
NGS
(mNGS)
offers
broad
coverage,
it
costly
complex.
Targeted
(tNGS),
however,
focuses
on
key
regions
clinically
relevant
pathogens,
reducing
costs
simplifying
workflows
while
maintaining
high
sensitivity,
making
more
practical
routine
diagnostics.
In
this
study,
we
introduce
novel
approach
combining
human
cell-specific
filtration
membrane
with
multiplex
tNGS
panel
overcome
these
challenges.
The
membrane,
designed
surface
charge
properties
be
electrostatically
attractive
leukocytes
selective
capture
specific
cells,
demonstrated
efficiency
removing
host
cells
nucleic
acids,
achieving
over
98%
reduction
DNA
thereby
minimizing
background
interference
detection.
Additionally,
developed
an
effective
targeting
330
pathogens
verified
its
consistency
mNGS
culture
results,
demonstrating
improvement
detection
sensitivity.
By
integrating
two
methods,
achieved
synergistic
enhancement
capability,
boosting
reads
by
6-
8-fold,
which
enabled
reliable
identification
even
cases
low-abundance
This
provides
faster,
accurate,
sensitive
BSIs,
enabling
earlier
infections.
facilitates
targeted
ultimately
improving
outcomes
critical
care
settings.
Given
unique
strengths
panel,
shows
promising
applications
prenatal
genetic
health
support,
well
advancing
early
cancer
screening
strategies.
International Journal on Smart Sensing and Intelligent Systems,
Journal Year:
2025,
Volume and Issue:
18(1)
Published: Jan. 1, 2025
Abstract
In
recent
years,
the
point-of-care
testing
(POCT)
device
for
nucleic
acid
detection
has
received
extensive
attention.
POCT
provides
rapid,
high
sensitivity
and
accuracy
of
on-site
diagnosis
can
quantify
in
clinical
samples
real
time.
The
integration
microfluidics
ensures
accurate
fluid
control,
minimizes
sample
volume,
improves
efficiency.
addition,
devices
conduct
multichannel
analysis,
facilitate
continuous
monitoring,
provide
comprehensive
quantitative
data.
Due
to
its
portability,
cost-effectiveness,
ease
use,
represents
a
promising
solution
extensive,
reliable,
timely
various
medical
environments.
This
review
summarizes
research
development
based
on
microfluidic
technology
trend
prospected.
Technologies,
Journal Year:
2025,
Volume and Issue:
13(4), P. 138 - 138
Published: April 2, 2025
Nucleic
acid
amplification
(NAA)
is
a
technique
that
increases
the
number
of
copies
gene,
making
it
possible
to
detect
microorganisms.
This
often
used
in
clinical
tests,
biochemical
analysis,
and
environmental
assays,
mention
only
few.
However,
developing
portable,
robust,
low-cost
measurement
platforms
evaluate
NAA
products
remains
technological
challenge.
Therefore,
this
work,
we
introduce
an
attractive
unit
for
detecting
quantifying
nucleic
acids
based
on
capacitively
coupled
contactless
conductivity
detection
(C4D)
principle.
The
proposed
unit,
ReC4D,
combines
electrical
resonance
with
C4D
enhance
sensitivity
when
evaluating
reaction.
ReC4D
units
advantages
are
twofold:
(i)
transducer
electrically
isolated
allow
its
reuse,
(ii)
induced
minimizes
stray
capacitances
conventional
which
enhances
sensitivity,
linear
operating
range,
improves
limit
(LoD).
Furthermore,
evaluated
device
different
concentrations
SARS-CoV-2
genetic
material
compared
measurements
from
unit.
Thus,
demonstrate
can
measure
LoD
0.24
copyμL
5.618
kHzlog(copyμL).
These
results
position
close
state-of-the-art
testing
platforms,
added
value
low
cost,
robustness,
reusability,
affordability.