Molecules,
Journal Year:
2024,
Volume and Issue:
29(24), P. 5973 - 5973
Published: Dec. 18, 2024
Single
and
dual-drug
delivery
systems
(DDSs)
based
on
linear
choline
polymers
were
designed
through
the
controlled
polymerization
of
a
pharmaceutically
functionalized
monomer,
i.e.,
[2-(methacryloyloxy)ethyl]trimethylammonium,
with
counterions
cloxacillin
(TMAMA/CLX),
or
its
copolymerization
[2-(methacryloyloxy)ethyl]trimethylammonium
ampicillin
(TMAMA/AMP),
providing
antibiotic
properties.
This
strategy
was
effective
in
attaining
well-defined
copolymers
38–93
mol.
%
TMAMA
content,
which
regulated
by
initial
ratio
to
methyl
methacrylate
comonomer.
The
polymer
compositions
total
monomer
conversion
(40–75%),
resulting
variable
degree
(DPn
=
160–300)
pharmaceutical
anion
contents
(CLX−
51–80%
AMP−
78–87%).
In
aqueous
solution,
formed
particles
sizes
ranging
between
274
380
nm
for
CLX−
288–348
CLX−/AMP−
systems.
vitro
drug
release,
driven
exchange
anions
phosphate
ions
phosphate-buffered
saline
(PBS),
imitating
physiological
fluid,
demonstrated
release
efficiencies
58–76%
(10.5–13.6
µg/mL)
single
systems,
91–100%
(12.9–15.1
97–100%
(21.1–23.3
dual
Compared
conventional
delivering
antibiotics
without
carrier,
choline-based
DDS
attained
satisfactory
levels
loading
content
(co-)release
from
carriers,
offering
promising
alternative
delivery.
Macromolecular Materials and Engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 8, 2024
Abstract
Structurally
defined,
protein‐grafted
nanoparticles
are
widely
used
in
various
biomedical
applications,
particularly
as
intelligent
nanocarriers
for
drug
delivery.
The
integration
of
synthetic
polymers
with
natural
proteins
such
silk
sericin
enhances
the
functionality
and
stability
these
nanocarriers,
making
them
suitable
targeted
controlled
release.
In
this
context,
an
optimized
grafting
procedure
is
presented,
employing
a
protein
macroinitiator
atom
transfer
radical
polymerization
(ATRP).
This
study
aims
to
elucidate
significance
process
tailoring
structure
through
chemistry
grafts.
uses
block
copolymers
N
‐isopropylacrylamide
(NIPAM)
2‐acrylamido‐2‐methylpropanesulfonic
acid
(AMPS),
Poly‐(AMPS‐block‐NIPAM)/Poly‐(NIPAM‐block‐AMPS).
employs
both
one‐step
two‐step
synthesis
methods
produce
well‐defined,
biofunctionalized
sericin.
Subsequently,
sericin‐based
prepared,
demonstrating
procedure.
synthesized
products
undergo
structural
analysis
using
H‐NMR,
FTIR‐ATR,
XPS,
DLS,
zeta
potential
measurements.
addition,
their
thermal
behavior
assessed
differential
scanning
calorimetry.
To
further
investigate
prepared
nanoparticles,
SEM
DLS
analyses
conducted.
Through
optimization,
position
length
each
precisely
determined,
significantly
influencing
properties
grafted
characteristics
resulting
nanoparticles.
Biomacromolecules,
Journal Year:
2024,
Volume and Issue:
26(1), P. 118 - 139
Published: Dec. 29, 2024
Synthetic
vinyl
polymers
have
long
been
recognized
for
their
potential
to
be
utilized
in
drug
delivery,
tissue
engineering,
and
other
biomedical
applications.
The
synthetic
control
that
chemists
over
structure
properties
is
unmatched,
allowing
polymer-based
materials
precisely
engineered
a
range
of
therapeutic
Yet,
lack
biodegradability
compromises
the
biocompatibility
has
held
back
translation
into
clinically
used
treatments
disease
thus
far.
In
recent
years,
radical
ring-opening
polymerization
(rROP)
emerged
as
promising
strategy
render
biodegradable
bioresorbable.
While
rROP
touted
preparing
applications,
approved
not
yet
realized.
This
review
highlights
opportunities
leveraging
unlock
use
SPE Polymers,
Journal Year:
2023,
Volume and Issue:
5(2), P. 113 - 126
Published: Dec. 23, 2023
Abstract
This
comprehensive
review
provides
a
detailed
examination
of
controlled
polymerization
in
the
development
nanogels‐based
microfluidic
devices.
Here,
we
have
explored
integration
atom
transfer
radical
(ATRP)
and
reversible
addition‐fragmentation
chain
(RAFT)
techniques
within
platforms
for
synthesis
nanogels.
The
synergistic
combination
ATRP
RAFT
with
microfluidics
has
emerged
as
powerful
tool
precise
control
over
reactions,
enabling
fabrication
well‐defined,
multifunctional
nanogels
tailored
properties.
begins
thorough
introduction
to
principles
RAFT,
highlighting
their
respective
advantages
polymerization.
Subsequently,
it
elucidates
its
profound
impact
on
processes.
merging
these
enables
reaction
kinetics,
monomer
conversions,
molecular
weight
distributions,
facilitating
unprecedented
precision
reproducibility.
Furthermore,
this
delves
into
chemical
mechanisms
underlying
reactions
environments,
emphasizing
role
various
initiators,
catalysts,
agents.
Special
attention
is
given
microscale
flow
conditions
kinetics
polymer
structure.
In
addition,
discusses
emerging
trends
field,
such
incorporation
novel
monomers
exploration
environmentally
benign
conditions.
Highlights
mechanism
by
which
can
obtain
tailormade
material.
nanogel
must
ensure
gelation
be
confined
dimensions
here
plays
key
role.
Frontiers in Soft Matter,
Journal Year:
2023,
Volume and Issue:
3
Published: Nov. 2, 2023
Polymer
materials
play
an
important
role
in
various
aspects
of
our
lives.
Most
them
are
solid,
therefore,
the
key
importance
such
polymeric
is
related
to
their
versatility,
lightness,
economy,
durability
and
strength,
corrosion
resistance,
electrical
thermal
insulation
(except
conductive
polymers),
appropriate
interface
between
body
medical
devices,
as
well
design
flexibility.
In
general,
lies
versatile
properties,
cost-effectiveness,
applicability
a
variety
industries,
including
automotive,
aerospace,
electronics,
healthcare,
construction,
packaging,
more.
The
purpose
this
mini-review
encourage
future
authors
submit
outstanding
contributions
frontiers
years
come.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(24), P. 5973 - 5973
Published: Dec. 18, 2024
Single
and
dual-drug
delivery
systems
(DDSs)
based
on
linear
choline
polymers
were
designed
through
the
controlled
polymerization
of
a
pharmaceutically
functionalized
monomer,
i.e.,
[2-(methacryloyloxy)ethyl]trimethylammonium,
with
counterions
cloxacillin
(TMAMA/CLX),
or
its
copolymerization
[2-(methacryloyloxy)ethyl]trimethylammonium
ampicillin
(TMAMA/AMP),
providing
antibiotic
properties.
This
strategy
was
effective
in
attaining
well-defined
copolymers
38–93
mol.
%
TMAMA
content,
which
regulated
by
initial
ratio
to
methyl
methacrylate
comonomer.
The
polymer
compositions
total
monomer
conversion
(40–75%),
resulting
variable
degree
(DPn
=
160–300)
pharmaceutical
anion
contents
(CLX−
51–80%
AMP−
78–87%).
In
aqueous
solution,
formed
particles
sizes
ranging
between
274
380
nm
for
CLX−
288–348
CLX−/AMP−
systems.
vitro
drug
release,
driven
exchange
anions
phosphate
ions
phosphate-buffered
saline
(PBS),
imitating
physiological
fluid,
demonstrated
release
efficiencies
58–76%
(10.5–13.6
µg/mL)
single
systems,
91–100%
(12.9–15.1
97–100%
(21.1–23.3
dual
Compared
conventional
delivering
antibiotics
without
carrier,
choline-based
DDS
attained
satisfactory
levels
loading
content
(co-)release
from
carriers,
offering
promising
alternative
delivery.