Frontiers in Materials,
Год журнала:
2024,
Номер
11
Опубликована: Авг. 14, 2024
Aggregation-induced
emission
(AIE)
can
exhibit
different
properties
in
situations,
such
as
non-emission
and
highly
fluorescent
the
dissolved
state
of
molecule
aggregate
or
solid
state,
respectively.
This
property
AIE
is
distinguished
from
aggregation-induced
quenching
(ACQ)
even
opposite.
Combining
phenomenon
with
polymers
yields
corresponding
properties.
In
this
paper,
mechanism,
synthesis,
branching
application
fields
optoelectronic
functional
materials,
sensors,
biology,
environment
are
reviewed.
It
hoped
that
review
will
stimulate
more
research
on
molecular
aggregates
promote
further
cross-fertilisation
greater
development
disciplines
chemistry
biomedicine.
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(9), С. 10998 - 11007
Опубликована: Апрель 29, 2024
Infections
caused
by
bacteria
pose
a
serious
threat
to
public
health,
and
there
is
need
for
numerous
innovative,
antibiotic-free
antimicrobial
medicines.
Herein,
we
describe
the
synthesis
of
CuS/Co-ferrocene-MOF
(CuS/Co-Fc-MOF)
nanocomposites,
formed
coupling
CuS
nanoparticles
(NPs)
two-dimensional
(2D)
Co-Fc-MOF
nanosheets,
that
constitutes
an
platform
capable
near-infrared
(NIR)
photothermal
promotion
chemodynamic
antibacterial.
2D
CuS/Co-Fc-MOF
nanocomposites
consist
nanosheets
with
dimensions
approximately
100–200
nm
thicknesses
13.1–15.6
nm,
where
NPs,
size
about
8
are
excellently
dispersed
on
surface
nanosheets.
The
diverse
valence
states
cobalt
iron
in
enable
them
undergo
Fenton-like
reactions
H2O2,
thus
generating
highly
oxidizing
·OH
therapy
(CDT).
utilization
local
plasmonic
resonance
effect
NPs
enables
enhancement
CDT
activity
under
laser
irradiation.
More
importantly,
can
achieve
rapid
(15
min)
NIR
laser-assisted
killing
both
S.
aureus
E.
coli
bacterial
infection
microenvironment
compared
Therefore,
be
employed
as
promising
nanoagent
promote
photothermally
augmented
antibacterial
therapy.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 31, 2024
Abstract
Food
packaging
that
impedes
microbial
growth
and
can
be
safely
used
is
critical
to
attenuate
food
spoilage.
Herein,
a
green
berberine/phytate
salt
(BPA)
successfully
synthesized
aggregated
in
polyvinyl
alcohol
(PVA)
film
impart
fluorescent
photodynamic
antimicrobial
properties.
Compared
berberine
hydrochloride
(BHL),
BPA
exhibited
stronger
fluorescence
because
intramolecular
motions
intermolecular
π–π
accumulation
of
BHL
are
restricted
by
phytic
acid
(PA).
Molecular
dynamics
simulation
indicate
aggregation
PA
formed
through
electrostatic
interactions
the
PVA
matrix
due
change
binding
energy
during
drying
process.
With
increasing
content,
films
increased
ultraviolet,
water
vapor,
oxygen
barriers
properties,
but
reduced
tensile
strength
elongation
at
break.
After
radiated,
PVA‐BPA
9
showed
highest
rates
against
Staphylococcus
aureus
,
Escherichia
coli,
P.
citrinum
Aspergillus
niger
reached
100%,
86.14%,
66.24%,
respectively,
reactive
species
production.
The
total
number
colonies
cooked
chicken
oranges
packaged
with
irradiation
ARE
87.54%
29.21%
those
film.
findings
new
feasible
strategy
obtain
photodynamic‐mediated
for
safe
effective
packaging.
Frontiers in Pharmacology,
Год журнала:
2024,
Номер
15
Опубликована: Дек. 4, 2024
Bacterial
infections
and
antibiotic
resistance
are
global
health
problems,
current
treatments
for
bacterial
still
rely
on
the
use
of
antibiotics.
Phototherapy
based
a
photosensitizer
has
high
efficiency,
broad
spectrum,
strong
selectivity,
does
not
easily
induce
drug
resistance,
is
expected
to
become
an
effective
strategy
treatment
infections,
particularly
drug-resistant
infections.
This
article
reviews
antimicrobial
strategies
phototherapy
photosensitizers,
including
photodynamic
therapy
(PDT),
photothermal
(PTT),
their
combination.
These
methods
have
significant
application
potential
in
combating
multi-drug-resistant
biofilm
providing
alternative
traditional
antibiotics
chemical
antibacterial
agents.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 10, 2024
Abstract
Liquid
crystalline
elastomers
(LCEs)
are
considered
as
emerging
functional
materials
that
present
potentials
in
fabrication
of
intelligent
soft
robots,
biomimetic
devices
and
photonic
actuators.
Here,
a
new
liquid
(LC)
monomer
with
dynamic
boronic
ester
group
is
designed
synthesized.
This
molecule
has
wide
LC
phase
polymerizable
acrylic
double
bonds,
which
facilitates
subsequent
polymerization
to
prepare
films.
The
prepared
LCEs
matrix
intrinsically
self‐healable
self‐weldable.
In
addition,
such
material
can
be
used
versatile
functionalized
diverse
devices.
By
introducing
the
humidity
responsive
aggregation‐induced
emission
(AIE)
molecules
into
film,
exhibit
bright
fluorescence
at
low
relative
(RH).
Finally,
copper
sulfide
(CuS)
nanoparticles
doped
film
achieve
programmable
thermal‐responsive
deformations.
work
provides
valuable
insight
for
development
smart
robots
actuating
area.
