Polimery,
Journal Year:
2025,
Volume and Issue:
70(1), P. 3 - 10
Published: Feb. 19, 2025
The
aromatic/hydrophilic
monomer,
hydroxybenzyl
methacrylate
(HBM),
was
synthesized
by
reaction
of
4-hydroxy
benzyl
alcohol
with
acrylic
acid
and
then
copolymerized
acrylamide
(AAM)
in
various
proportions.
Potassium
persulfate
(PPS)
used
as
the
initiator.
copolymer
(3HBM/1AAM),
selected
based
on
swelling
results
water,
crosslinked
using
different
concentrations
ethylene
glycol
dimethyl
acrylate
(EGDMA).
chemical
structure
monomer
copolymers
confirmed
Fourier
transform
infrared
spectroscopy
(FT-IR)
proton
magnetic
resonance
(1H-NMR).
effect
crosslinker
concentration
swelling,
mechanical
thermal
properties
investigated.
equilibrium
water
content
(EWC)
increased
increase
amount
crosslinker.
were
also
improved.
ability
obtained
to
incorporate
release
drug
(ciprofloxacin)
investigated
solution.
A
higher
proportion
HBM
resulted
a
efficiency
carrier.
Science Advances,
Journal Year:
2023,
Volume and Issue:
9(41)
Published: Oct. 12, 2023
A
three-dimensional
(3D)
holographic
display
(3DHD)
can
preserve
all
the
volumetric
information
about
an
object.
However,
poor
fidelity
of
3DHD
constrains
its
applications.
Here,
we
present
ultrahigh-fidelity
3D
that
uses
scattering
for
homogenization
angular
spectrum.
medium
randomizes
incident
photons
and
homogenizes
spectrum
distribution.
The
redistributed
field
is
recorded
by
a
photopolymer
film
with
numerous
modulation
modes
half-wavelength
scale
pixel
size.
We
have
experimentally
improved
contrast
focal
spot
to
6
×
106
tightened
spatial
resolution
0.5
micrometers,
respectively
~300
4.4
times
better
than
digital
approaches.
By
exploiting
multiplexing
ability
transmission
channel
selection
capability
medium,
realized
dynamic
spirals
consisting
20
foci
across
1
millimeter
26
millimeters
uniform
intensity.
Polimery,
Journal Year:
2025,
Volume and Issue:
70(1), P. 3 - 10
Published: Feb. 19, 2025
The
aromatic/hydrophilic
monomer,
hydroxybenzyl
methacrylate
(HBM),
was
synthesized
by
reaction
of
4-hydroxy
benzyl
alcohol
with
acrylic
acid
and
then
copolymerized
acrylamide
(AAM)
in
various
proportions.
Potassium
persulfate
(PPS)
used
as
the
initiator.
copolymer
(3HBM/1AAM),
selected
based
on
swelling
results
water,
crosslinked
using
different
concentrations
ethylene
glycol
dimethyl
acrylate
(EGDMA).
chemical
structure
monomer
copolymers
confirmed
Fourier
transform
infrared
spectroscopy
(FT-IR)
proton
magnetic
resonance
(1H-NMR).
effect
crosslinker
concentration
swelling,
mechanical
thermal
properties
investigated.
equilibrium
water
content
(EWC)
increased
increase
amount
crosslinker.
were
also
improved.
ability
obtained
to
incorporate
release
drug
(ciprofloxacin)
investigated
solution.
A
higher
proportion
HBM
resulted
a
efficiency
carrier.