Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: Aug. 13, 2024
Abstract
The
eye,
a
complex
organ
isolated
from
the
systemic
circulation,
presents
significant
drug
delivery
challenges
owing
to
its
protective
mechanisms,
such
as
blood-retinal
barrier
and
corneal
impermeability.
Conventional
administration
methods
often
fail
sustain
therapeutic
levels
may
compromise
patient
safety
compliance.
Polysaccharide-based
microneedles
(PSMNs)
have
emerged
transformative
solution
for
ophthalmic
delivery.
However,
comprehensive
review
of
PSMNs
in
ophthalmology
has
not
been
published
date.
In
this
review,
we
critically
examine
synergy
between
polysaccharide
chemistry
microneedle
technology
enhancing
ocular
We
provide
thorough
analysis
PSMNs,
summarizing
design
principles,
fabrication
processes,
addressed
during
fabrication,
including
improving
comfort
also
describe
recent
advances
performance
various
both
research
clinical
scenarios.
Finally,
current
regulatory
frameworks
market
barriers
that
are
relevant
commercial
advancement
final
perspective
on
area.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(4)
Published: Aug. 6, 2023
Abstract
The
field
of
flexible
electronics
is
a
crucial
driver
technological
advancement,
with
strong
connection
to
human
life
and
unique
role
in
various
areas
such
as
wearable
devices
healthcare.
Consequently,
there
an
urgent
demand
for
energy
storage
(FESDs)
cater
the
needs
forms
products.
FESDs
can
be
classified
into
three
categories
based
on
spatial
dimension,
all
which
share
features
excellent
electrochemical
performance,
reliable
safety,
superb
flexibility.
In
this
review,
application
scenarios
are
introduced
main
representative
applied
disparate
fields
summarized
first.
More
specifically,
it
focuses
types
matched
from
both
structural
material
aspects.
Finally,
challenges
that
hinder
practical
views
current
barriers
presented.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(29)
Published: Feb. 20, 2024
Abstract
The
rapid
development
of
wearable
electronics
has
placed
higher
demands
on
the
design
strategies
triboelectric
materials.
Aerogels
have
potential
to
become
advanced
materials,
however,
traditional
often
require
complex
processes
and
additional
chemical
cross‐linking
agents
improve
stability
gel
structure,
which
limits
its
practical
application.
In
this
work,
a
scalable
sustainable
self‐assembly
drive
strategy
is
proposed
for
bio‐based
aerogels
with
multi‐scale
winding
structures.
Interestingly,
autoacceleration
effect,
regarded
as
“unfavorable”
during
autocatalytic
polymerization
supramolecules,
rationally
exploited
provide
supramolecules
within
matrix
an
abundance
multiple
hydrogen
bonds
at
same
time
their
gelation
occurs.
Thanks
this,
aerogel
film
exhibits
ultra‐high
tensile
strength
(104
MPa)
remains
undeformed
after
resisting
impact
8000
times
own
weight.
Highly
robust
films
are
used
build
self‐powered
sensors
ultra‐fast
response
in
environments
(48
ms),
while
enabling
real‐time
interaction
between
wearer
information
network.
idea
“
turning
detriment
into
asset
”
work
provides
new
material
construction
highly
sensors.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(18), P. 9306 - 9343
Published: Jan. 1, 2024
Cellulose,
as
the
most
abundant
natural
polymer
on
Earth,
has
long
captured
researchers'
attention
due
to
its
high
strength
and
modulus.
Nevertheless,
transferring
exceptional
mechanical
properties
macroscopic
2D
3D
materials
poses
numerous
challenges.
This
review
provides
an
overview
of
research
progress
in
development
strong
cellulose-based
using
both
"bottom-up"
"top-down"
approaches.
In
strategy,
various
forms
regenerated
nanocellulose-based
high-strength
assembled
by
different
methods
are
discussed.
Under
approach,
focus
is
reinforced
derived
from
wood,
bamboo,
rattan
straw.
Furthermore,
a
brief
potential
applications
fordifferent
types
given,
followed
concise
discussion
future
directions.
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
13(13)
Published: Jan. 31, 2024
Adhesive
hydrogel
holds
huge
potential
in
biomedical
applications,
such
as
hemostasis
and
emergent
wound
management
during
outpatient
treatment
or
surgery.
However,
most
adhesive
hydrogels
underperform
to
offer
robust
adhesions
on
the
wet
tissue,
increasing
risk
of
hemorrhage
reducing
fault
tolerance
To
address
this
issue,
work
develops
a
polysaccharide-based
bioadhesive
tape
(ACAN)
consisting
dual
cross-linking
allyl
cellulose
(AC)
carboxymethyl
chitosan
(CMCS).
The
hygroscopicity
AC
CMCS
networks
enables
ACAN
remove
interfacial
water
from
tissue
surface
initializes
physical
cross-link
instantly.
Subsequently,
covalent
cross-links
are
developed
with
amine
moieties
sustain
long-term
adhesion.
cross-linked
also
has
good
cytocompatibility
controllable
mechanical
properties
matching
where
addition
provides
remarkable
antibacterial
hemostatic
capability.
Moreover,
compared
commercially
available
3
M
film,
an
ultrafast
healing
tissue.
hybrid
have
advantages
biocompatibility
antibacterial,
hemostatic,
properties,
shedding
new
light
first-aid
design
advancing
cellulose-based
materials
technology
for
high-performance
applications.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(9), P. 1292 - 1292
Published: May 5, 2024
The
rapid
worldwide
industrial
growth
in
recent
years
has
made
water
contamination
by
heavy
metals
a
problem
that
requires
an
immediate
solution.
Several
strategies
have
been
proposed
for
the
decontamination
of
wastewater
terms
metal
ions.
Among
these,
methods
utilizing
adsorbent
materials
are
preferred
due
to
their
cost-effectiveness,
simplicity,
effectiveness,
and
scalability
treating
large
volumes
contaminated
water.
In
this
context,
removal
hydrogels
based
on
naturally
occurring
polymers
is
attractive
approach
remediation
as
they
offer
significant
advantages,
such
optimal
safety
profile,
good
biodegradability,
simple
low-cost
procedures
preparation.
Hydrogels
ability
absorb
water,
allowing
effective
dissolved
pollutants.
Furthermore,
can
undergo
surface
chemical
modifications
which
further
improve
retain
different
environmental
This
review
aims
summarize
advances
application
treatment
metal-contaminated
wastewater,
particularly
focusing
cellulose
derivatives.
reported
studies
highlight
how
adsorption
properties
these
be
widely
modified,
with
wide
range
capacity
ions
varying
between
2.3
2240
mg/g.
possibility
developing
new
improved
sorption
performances
also
discussed
review,
aim
improving
real
scenarios,
indicating
future
directions
field.
