Natural Regenerative Hydrogels for Wound Healing
Gels,
Год журнала:
2024,
Номер
10(9), С. 547 - 547
Опубликована: Авг. 23, 2024
Regenerative
hydrogels
from
natural
polymers
have
come
forth
as
auspicious
materials
for
use
in
regenerative
medicine,
with
interest
attributed
to
their
intrinsic
biodegradability,
biocompatibility,
and
ability
reassemble
the
extracellular
matrix.
This
review
covers
latest
advances
used
wound
healing,
focusing
on
chemical
composition,
cross-linking
mechanisms,
functional
properties.
Key
carbohydrate
polymers,
including
alginate,
chitosan,
hyaluronic
acid,
polysaccharide
gums,
agarose,
carrageenan,
xanthan
gum,
are
discussed
terms
of
sources,
structures
specific
properties
suitable
applications.
The
further
explores
categorization
based
ionic
charge,
response
physiological
stimuli
(i.e.,
pH,
temperature)
particularized
roles
tissue
self-healing.
Various
methods
enhance
mechanical
biological
performance
these
also
examined.
By
highlighting
recent
innovations
ongoing
challenges,
this
article
intends
give
a
detailed
understanding
potential
revolutionize
medicine
improve
patient
healing
outcomes.
Язык: Английский
Controlled polymerization of silver nanoparticle dispersed poly (aniline-co-3–bromo aniline) electroactive composites-one pot synthesis and characterization
Vijayanand P. S,
A. Jeeva,
S. Ashokan
и другие.
Journal of Dispersion Science and Technology,
Год журнала:
2025,
Номер
unknown, С. 1 - 9
Опубликована: Янв. 7, 2025
Controlled
polymerization
of
silver
dispersed
poly
(aniline
-co-3–Bromo
Aniline)
electroactive
composites
was
synthesized
by
using
soft
template
polymerization.
The
formation
complexes
between
nanoparticles
(AgNPs)
and
a
polyaniline
matrix
results
in
ordered
nanostructured
materials.
In
this
study,
we
new
series
copolymer
silver-dispersed
poly(aniline-co-3-bromoaniline)
an
in-situ
chemical
oxidative
method
at
different
molar
ratios
the
monomers.
resulting
were
characterized
UV–vis
spectroscopy,
FT–IR
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM).
optical
absorption
spectrum
revealed
peaks
338
nm
596
nm,
attributed
to
π–π*and
n–π*
electronic
transitions.
spectra
confirmed
presence
benzenoid
quinoid
rings
within
system.
XRD
analysis
indicated
amorphous
nature
crystalline
metal
nanoparticles,
while
SEM
images
displayed
agglomerated
spherical
granular
morphology
with
average
particle
sizes
ranging
from
150
300
uniform
dispersion
nanoparticles.
four
probe
electrical
conductivity
measurements
shows
whose
ranges
1.13
×
10−5
5.16
10−8
S/cm.
These
nanocomposites
possess
enhanced
properties
compared
their
individual
components
for
industrial
applications.
Язык: Английский
Behavior of polyimides based on bicyclo[2.2.2]oct-7-ene-2,3,5,6-tetracarboxylic dianhydride under thermal treatment
Chemical Thermodynamics and Thermal Analysis,
Год журнала:
2025,
Номер
18, С. 100180 - 100180
Опубликована: Март 1, 2025
Язык: Английский
Modern radical chemistry
Beilstein Journal of Organic Chemistry,
Год журнала:
2025,
Номер
21, С. 945 - 946
Опубликована: Май 15, 2025
Язык: Английский
Effect of Photo‐Initiation Polymerization and Thermal‐Initiation Polymerization on the Reduction of Glistening in Hydrophobic Acrylic Intraocular Lens Materials
Macromolecular Chemistry and Physics,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 25, 2025
Abstract
Glistening
is
the
condensation
of
water
that
forms
within
intraocular
lens
(IOL),
which
can
degrade
patient's
vision
quality.
Photo‐initiation
and
thermal‐initiation
polymerization
are
widely
used
for
preparation
IOL
materials.
However,
few
studies
have
been
attempted
to
investigate
difference
between
above
two
methods
in
reducing
glistening
In
this
work,
investigated
preparing
hydrophobic
acrylic
An
interesting
result
obtained
photopolymerized
materials
much
smaller
than
thermally
polymerized
The
by
be
explained
temperature‐dependency
equilibrium
content
(EWC)
prepared
photo‐initiation
showed
less
EWC
reduction
with
decreasing
temperature
those
polymerization,
resulting
glistening.
Additionally,
made
has
a
greater
UV
blocking
effect
polymerization.
These
findings
may
provide
additional
insight
into
development
commercial
IOLs
reduce
Язык: Английский
Random Copolymers Based on 2‐Ethylhexyl Acrylate Exhibit Unusual Glass Transition Breadth and Facile Autonomous Self‐Healing over a Broad Composition Range
Macromolecular Rapid Communications,
Год журнала:
2024,
Номер
45(22)
Опубликована: Авг. 16, 2024
Abstract
Statistical
copolymers
are
commercially
important
because
their
properties
can
be
tuned
by
comonomer
selection
and
composition.
Rubbery‐state
styrene
(S)/
n
‐butyl
acrylate
(nBA)
have
previously
been
reported
to
exhibit
facile,
autonomous
self‐healing
over
a
narrow
composition
band
(47/53
53/47
mol%).
The
need
for
is
explained
alternating
sequences
that
accommodate
interchain
secondary
bonding.
It
hypothesized
achieve
bonding
without
facile
broad
range.
2‐ethylhexyl
(EHA)
identified
as
yielding
sequence‐independent
interactions.
For
these
interactions
it
tested
experimentally
glass
transition
breadth
in
rubbery‐state
S/EHA
copolymers,
with
S/n‐hexyl
(nHA)
S/nBA
controls.
‐alkyl
random
enhanced
breadths
bands
correspond
self‐healing.
In
contrast,
much
greater
than
S/nHA
at
all
compositions
well
of
damage
range
full
tensile‐property
recovery,
often
3–10
h.
Characterization
may
serve
simple
screening
tool
identifying
broad‐composition‐range,
contribute
polymer
resilience
sustainability.
Язык: Английский