Chemical Communications,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Recent
advancements
have
engineered
an
approach
to
encode
genetic
sequences
in
DNA
nanoparticles,
making
them
a
promising
platform
for
gene
therapy.
This
article
highlights
design
considerations
of
these
structures
optimal
protein
expression.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(17), P. 22334 - 22343
Published: April 18, 2024
The
number
of
applications
self-assembled
deoxyribonucleic
acid
(DNA)
origami
nanoparticles
(DNA
NPs)
has
increased
drastically,
following
the
development
a
variety
single-stranded
template
DNA
(ssDNA)
that
can
serve
as
scaffold
strand.
In
addition
to
viral
genomes,
such
M13
bacteriophage
and
lambda
DNAs,
enzymatically
produced
ssDNA
from
various
sources
is
rapidly
gaining
traction
being
applied
for
NP
preparation.
However,
separating
fully
formed
NPs
have
custom
scaffolds
crude
assembly
mixes
often
multistep
process
first
its
enzymatic
amplification
then
isolating
assembled
excess
precursor
strands.
Only
sample
ready
downstream
characterization
application.
this
work,
we
highlight
single-step
purification
sequence-
or
M13-derived
scaffold-based
using
photocleavable
biotin
tethers.
only
requires
an
inexpensive
ultraviolet
(UV)
lamp,
with
up
90%
yield
high
purity
are
obtained.
We
show
versatility
in
two
multihelix
bundle
structures
wireframe
polyhedral
architecture.
JACS Au,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 29, 2025
Dynamic
DNA
nanostructures
that
reconfigure
into
different
shapes
are
used
in
several
applications
biosensing,
drug
delivery,
and
data
storage.
One
of
the
ways
to
produce
such
structural
transformations
is
by
a
process
called
strand
displacement.
This
laboratory
experiment
demonstrates
displacement
reaction
two-stranded
nanostructure
switchback
addition
third
strand.
In
this
process,
difference
affinity
between
component
strands
convert
conventional
duplex
DNA.
Students
introduced
concept
through
gel
electrophoresis
quantitative
analysis
reconfiguration.
The
presented
here
an
example
nanotechnology-based
exercises
undergraduate
setting
tailored
for
adaptation
chemistry,
biology,
or
biochemistry
with
minimal
costs.
Small Methods,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 26, 2025
Fluorescence
imaging
has
been
a
powerful
technique
for
the
visualization
of
interest
biomolecules.
It
is
widely
used
in
basic
biological
research,
clinical
medicine,
and
other
fields.
However,
fluorescence
signals
are
often
too
weak
detecting
with
simple
devices
or
complex
environments.
Besides,
limited
to
about
four
six
dyes,
restricting
spectral
overlap
organic
fluorophores.
DNA
nanotechnology
including
structured
dynamic
emerges
as
promising
material
encode
fluorophores,
holding
great
potential
improve
properties
signals.
Substantial
progresses
have
achieved
DNA-encoded
signals,
exhibiting
novel
characteristics
applications.
This
review
summarizes
various
encoding
strategies
their
performance
analysis.
In
this
review,
different
methods
impacts
on
reported,
such
brightness,
photostability,
kinetics,
multiplexing.
application
reviewed.
Finally,
solutions
address
current
challenges
suggested,
encouraging
future
development
area.
Chemical Communications,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
DNA
nanostructures
can
be
assembled
by
incubation
at
constant
temperatures
in
a
process
called
isothermal
assembly.
Several
additives
such
as
denaturing
agents,
cationic
amino
acids
and
natural
products
aid
the
assembly
process.
Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
96(28), P. 11397 - 11403
Published: June 28, 2024
Low-mass
soluble
β-amyloid
peptide
oligomers
(LSAβOs)
play
a
crucial
role
in
the
pathogenesis
of
Alzheimer's
disease.
However,
these
exhibit
heterogeneity
terms
structure,
stability,
and
stoichiometry,
their
abundance
biofluids
is
low,
making
accurate
identification
challenging.
In
this
study,
we
developed
DNA
nanocage-assisted
method
for
selective
sizing
sensitive
quantification
LSAβOs
serum.
Using
LSAβO
less
than
10
kDa
(LSAβO10kD)
30
(LSAβO30kD)
as
models,
size-matching
rules
between
nanocages
were
investigated,
two
appropriate
selected
detection
LSAβOs,
respectively.
Both
functionalized
by
encapsulating
oligomer's
aptamer
complementary
sequence
within
cavities.
Once
entered
corresponding
nanocage
cavity,
was
released,
triggering
hybridization
chain
reaction
on
an
electrochemical
sensing
platform.
The
system
achieved
size-selective
discrimination
LSAβO10kD
with
linear
range
10–150
pM
LSAβO30kD
15–150
pM.
Real
sample
testing
confirmed
applicability
blood-based
diagnosis.
analysis
platform
provides
accurate,
highly
selective,
approach
oligomer
analysis,
which
significant
amyloid
protein
research
related
disease