Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 2, 2024
Abstract
Cerebrovascular
impairment
still
represents
one
of
the
main
causes
death
worldwide
with
a
mortality
rate
5.5
million
per
year.
Furthermore,
disability
50%
surviving
patients
factor
both
high
social
impact
and
costs
for
long
periods
time
national
healthcare
systems.
For
these
reasons,
efficacious
clinical
treatment
suffering
brain
ischemic
stroke
is
medical
need.
To
this
aim,
liposome
nanomedicine
having
monosialic
ganglioside
type
1
(GM1)
between
its
constituent
bearing
OX26
(an
anti-transferrin
receptor
antibody)
was
prepared
by
entrapping
CDP-choline
(a
neurotrophic
drug)
(CDP-choline/OX26Lip),
characterized
tested
in
vivo
on
an
rat
model.
CDP-choline/OX26Lip
were
freeze
thaw
followed
extrusion
through
polycarbonate
filters,
thus
achieving
~80
nm
mean
size
homogeneous
distribution.
It
demonstrated
that
showed
suitable
stability
presence
human
serum.
also
pharmacokinetic
profile,
30.0±4.2
%
administered
dose
blood
stream
12
h
after
systemic
administration.
The
post-ischemic
therapeutic
effect
better
than
CDP-choline/Lip,
showing
significant
greater
survival
re-perfused
rats,
i.e.
96%
78%
8
days,
respectively.
significantly
decreased
peroxidation
almost
5-fold
compared
to
as
expressed
amount
conjugated
dienes,i.e.
13.9
±
1.1
3.1
0.8
mmol/mg
proteins,
increased
could
be
attributed
improved
accumulation
encapsulated
delivered
OX26-conjugated
GM1-liposomes.
Therefore,
may
represent
strategy
reassessment
line
option
events
caused
stroke,
responding
needs.
Chem & Bio Engineering,
Journal Year:
2024,
Volume and Issue:
1(9), P. 757 - 772
Published: Oct. 3, 2024
Nanoparticles
entering
biological
systems
or
fluids
inevitably
adsorb
biomolecules,
such
as
protein,
on
their
surfaces,
forming
a
protein
corona.
Ensuing,
the
corona
endows
nanoparticles
with
new
identity
and
impacts
interaction
between
systems.
Hence,
development
of
reliable
techniques
for
isolation
analysis
is
key
understanding
behaviors
nanoparticles.
First,
this
review
systematically
outlines
approach
isolating
corona,
including
centrifugation,
magnetic
separation,
size
exclusion
chromatography,
flow-field-flow
fractionation,
other
emerging
methods.
Next,
we
qualitative
quantitative
characterization
methods
Finally,
underscore
necessary
steps
to
advance
efficiency
fidelity
nanoparticle
surfaces.
We
anticipate
that
these
insights
into
methodologies
will
profoundly
influence
technologies
aimed
at
elucidating
bionano
interactions
role
in
various
biomedical
applications.
Advanced Therapeutics,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 19, 2025
Abstract
Fluctuating
severity
of
symptoms
is
a
common
hallmark
many
inflammatory
disorders,
including
bowel
disease
(IBD).
Addressing
the
pH
changes
during
active
and
resting
phases
in
IBD‐affected
tissue,
disease‐adaptive
nanocarrier
system
designed
for
oral
administration,
enabling
pH‐dependent
local
drug
release.
The
hybrid
carrier
combines
poly(lactic‐co‐glycolic
acid)
an
amphiphilic
cyclodextrin
derivative,
with
physicochemical
properties
release
kinetics
controlled
by
adjusting
polymer
ratios.
systems
exhibited
baseline
at
5
increased
rates
2,
which
characteristic
actively
inflamed
IBD
tissue.
Assessing
impact
biomolecule
adhesion,
biocorona
formation
was
studied
using
ex
vivo
human
intestinal
fluids.
Corona
composition
highly
depended
on
patient's
prandial
state
matrix,
proteins
predominating
fasted
lipids
fed
state.
Notably,
differences
attachment
free
fatty
acids
are
detected
latter.
Transport
studies
vitro
models
intestine
revealed
mucosal
accumulation,
facilitating
localized
delivery
effectively
reducing
cytokine
levels
to
basal
concentrations.
This
highlights
potential
treatment
underscores
therapeutic
performance
gastrointestinal
tract.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 25, 2025
Over
the
past
two
decades,
nanotechnology
has
made
significant
progress
toward
development
and
applications
of
micromotors
(MMs)
nanomotors
(NMs).
Characterized
by
their
capability
to
self-propel
swim
in
fluids,
they
have
emerged
as
promising
tools
various
fields,
particularly
biomedicine.
This
Review
presents
an
overview
current
state
MMs
NMs,
motion
viscous
media
complex
environments,
interaction
with
biological
barriers,
potential
therapeutical
applications.
We
identify
choice
appropriate
administration
routes
reach
target
location
a
key
aspect
success
NMs
biomedical
Looking
ahead,
we
envision
playing
role
treating
diverse
medical
disorders,
recent
proof-of-concept
vivo
studies
demonstrate
distinct
capabilities
versatility.
However,
addressing
regulatory,
scalability,
biocompatibility,
safety
concerns
remains
imperative
for
successful
translation
into
clinical
trials
industrial-scale
production.
work
provides
guideline
researchers,
guiding
them
through
landscape,
challenges,
prospects
using
biomedicine,
thereby
encouraging
responsible
positioning
future
nanomedicine.
Furthermore,
outline
critical
areas
further
research,
including
on
safety,
methods
overcome
physical
obstacles.
Small,
Journal Year:
2023,
Volume and Issue:
20(15)
Published: Dec. 12, 2023
Gold
nanoparticles
(GNPs)
are
largely
employed
in
diagnostics/biosensors
and
among
the
most
investigated
nanomaterials
biology/medicine.
However,
few
GNP-based
nanoformulations
have
received
FDA
approval
to
date,
promising
vitro
studies
failed
translate
vivo
efficacy.
One
key
factor
is
that
biological
fluids
contain
high
concentrations
of
proteins,
lipids,
sugars,
metabolites,
which
can
adsorb/interact
with
GNP's
surface,
forming
a
layer
called
biomolecular
corona
(BMC).
The
BMC
mask
prepared
functionalities
target
moieties,
creating
new
surface
chemistry
determining
GNPs'
fate.
Here,
current
knowledge
summarized
on
GNP-BMCs,
analyzing
factors
driving
these
interactions
consequences.
A
partial
fingerprint
GNP-BMC
common
patterns
composition
literature
extrapolated.
red
flag
also
risen
concerning
lack
data
availability
regulated
form
BMC.
Nanomedicine
still
its
infancy,
relying
recently
developed
analytical
informatic
tools
offers
an
unprecedented
opportunity
make
leap
forward.
restart
through
robust
shared
protocols
sharing
necessary
obtain
"stronger
roots".
This
will
create
path
exploiting
for
human
benefit,
promoting
clinical
translation
biomedical
nanotools.
Nano Letters,
Journal Year:
2024,
Volume and Issue:
24(30), P. 9202 - 9211
Published: July 22, 2024
The
formation
of
a
protein
corona
gives
nanomedicines
distinct
biological
identity,
profoundly
influencing
their
fate
in
the
body.
Nonspecific
nanoparticle–protein
interactions
are
typically
highly
heterogeneous,
which
can
lead
to
unique
behaviors
and
vivo
fates
for
individual
nanoparticles
that
remain
underexplored.
To
address
this,
we
have
established
an
situ
approach
allows
quantitative
examination
adsorption
at
nanoparticle
level.
This
method
integrates
dual
fluorescence
quantification
techniques,
wherein
first
individually
analyzed
via
nanoflow
cytometry
detect
fluorescent
signals
from
adsorbed
proteins.
obtained
intensity
is
then
translated
into
quantities
through
calibration
with
microplate
reader
quantification.
Consequently,
this
enables
analysis
interparticle
heterogeneity
nano–protein
interactions,
as
well
monitoring
kinetics
aggregation
status
blood
serum,
preconditioning
comprehensive
understanding
nano–bio
predicting
nanomedicines.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(21), P. 11497 - 11497
Published: Oct. 26, 2024
Molecular
assembly
is
promising
in
the
construction
of
advanced
materials,
obtaining
structures
with
specific
functions.
In-depth
investigation
relationships
between
formation,
dynamics,
structure,
and
functionality
molecular
assemblies
one
greatest
challenges
nanotechnology
chemistry,
which
essential
rational
design
development
functional
materials
for
a
variety
applications.
Super-resolution
microscopy
(SRM)
has
been
used
as
versatile
tool
investigating
elucidating
individual
its
nanometric
resolution,
multicolor
ability,
minimal
invasiveness,
are
also
complementary
to
conventional
optical
or
electronic
techniques
that
provide
direct
observation.
In
this
review,
we
will
an
overview
representative
studies
utilize
SRM
probe
assemblies,
mainly
focusing
on
imaging
biomolecular
(lipid-based,
peptide-based,
protein-based,
DNA-based),
organic–inorganic
hybrid
polymer
assemblies.
This
review
guidelines
evaluation
dynamics
disassembly
processes
distinct
dynamic
behaviors,
multicomponent
through
application
these
techniques.
We
believe
inspire
new
ideas
propel
structural
analyses
promote
exploitation
new-generation
materials.
Nanoscale Advances,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
The
investigation
of
the
effect
protein
corona
on
cellular
uptake
nanoliposome
formulations
in
real-time
under
flow
conditions
by
quartz
crystal
microbalance
with
dissipation
as
a
biomimetic
vitro
technique.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
25(1), P. 528 - 528
Published: Dec. 30, 2023
X-ray
fluorescence
imaging
(XRF-imaging)
with
subcellular
resolution
is
used
to
study
the
intracellular
integrity
of
a
protein
corona
that
was
pre-formed
around
gold
nanoparticles
(AuNP).
Artificial
proteins
engineered
obtain
Gd
coordination
for
detection
by
XRF-imaging
were
form
corona.
Indications
about
degradation
this
at
cellular
and
level
can
be
observed
following
Au
quantities
in
time
spatial-dependent
manner.
The
extended
acquisition
times
necessary
capturing
individual
cell
images
result
relatively
small
sample
populations,
stressing
need
faster
image
strategies
future
XRF-imaging-based
studies
deal
inherent
variability
between
cells.
Still,
results
obtained
reveal
during
trafficking,
followed
differential
processing
AuNP
Gd-labelled
proteins.
Overall,
demonstrates
dynamic
tracked
certain
degree.