ACS Applied Nano Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 27, 2024
The
special
pathological
microenvironment
of
infected
wounds
(pathology
weakly
acidic,
hypoxic,
and
overexpressed
H2O2)
provides
fertile
soil
for
the
development
disease.
Tailoring
treatment
based
on
specific
characteristics
infectious
(IME)
has
emerged
as
a
novel
direction
in
antimicrobial
therapies.
Here,
polyoxovanadate
(POV)-based
covalent
organic
polymer
(POV-Fc-COP)
with
inherent
photothermal
activity
was
facilely
prepared
via
copolymerization
1,1′-bi(3-dimethylamino-1-oxo-2-enyl-ferrocene)
(BDOEF)
tris-NH2-modified
POV
(tris-V6O9),
which
nanovanadium
oxide
(V2O3
V2O5)
core
shell
were
generated
directly
during
Michael
addition–elimination
reaction.
unique
structure
composition
impart
pH-responsive
peroxidase-like
(POD-like)
catalase-like
(CAT-like)
activities,
concurrently,
to
POV-Fc-COP.
Specifically,
acid-activated
mimicking-POD
could
consume
H2O2
microenvironment,
producing
toxic
•OH
combat
bacteria
biofilms.
vanadium
consumes
excessive
acid,
resulting
an
increase
pH.
Meanwhile,
CAT-like
transform
excess
expression
into
O2
relieve
hypoxia
induced
by
damage
blood
vessels
facilitate
wound
healing.
Additionally,
synergistic
amplified
therapeutic
effect
triggered
application
laser
irradiation
facilitates
rapid
eradication
biofilm,
minimizing
detrimental
impacts
bacterial
proliferation
IME,
thereby
accelerating
restoration
IME
return
normal
state.
Therefore,
POV-Fc-COP
dual-enzyme
functionality
not
only
utilize
but
also
regulate
significantly
expediting
healing
bacteria-infected
wounds.
This
study
demonstrates
simple
method
preparation
intelligent
platform
programmed
antibacterial
antibiofilm
formation,
thus
promoting
while
utilizing
improving
IME.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(23), С. 13052 - 13052
Опубликована: Дек. 4, 2024
Heavy
metal
ion
pollution
poses
a
serious
threat
to
the
natural
environment
and
human
health.
Photoreduction
through
Bi-based
photocatalysts
is
regarded
as
an
advanced
green
technology
for
solving
environmental
problems.
However,
their
photocatalytic
activity
limited
by
rapid
recombination
of
photogenerated
e
Toxics,
Год журнала:
2024,
Номер
12(12), С. 926 - 926
Опубликована: Дек. 20, 2024
Organophosphorus
pesticides
are
the
most
extensively
utilized
agrichemicals
in
world.
They
play
a
crucial
role
regulating
crop
growth,
immunizing
against
pests,
and
improving
yields,
while
their
unregulated
residues
exert
serious
detrimental
effects
on
both
environment
human
health.
Many
efforts
have
been
made
world
to
monitor
organophosphorus
solve
issues
caused
by
them.
Nanozymes,
as
one
kind
of
enzyme
mimic
that
is
artificially
designed
simulate
function
natural
enzymes,
aroused
lot
attention
due
unparalleled
advantages.
Nanozymes
inherit
unique
properties
nanomaterials
catalytic
functions,
which
could
overcome
limitations
inherent
enzymes
great
versatile
adaptable
application
prospects.
This
review
presents
recent
advancement
synthesizing
multifunctional
nanozymes
with
enzymatic-like
activities
using
various
degrade
detect
pesticides.
It
mainly
encompasses
metal-based
nanozymes,
carbon-based
metal-organic-framework-based
single-atom-based
nanozymes.
Additionally,
this
paper
discusses
potential
novel
functional
environmental
materials.
Journal of Materials Chemistry B,
Год журнала:
2024,
Номер
12(22), С. 5418 - 5430
Опубликована: Янв. 1, 2024
The
novel
material
Co@Fe
MOG
was
designed
to
treat
infected
wounds
in
wound
healing.
ROS
induced
by
electron
transfer
between
Fe
3+
/Fe
2+
and
Co
/Co
the
basis
for
colorimetric
sensing
non-antibiotic
antibacterial
activity.
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 27, 2024
The
special
pathological
microenvironment
of
infected
wounds
(pathology
weakly
acidic,
hypoxic,
and
overexpressed
H2O2)
provides
fertile
soil
for
the
development
disease.
Tailoring
treatment
based
on
specific
characteristics
infectious
(IME)
has
emerged
as
a
novel
direction
in
antimicrobial
therapies.
Here,
polyoxovanadate
(POV)-based
covalent
organic
polymer
(POV-Fc-COP)
with
inherent
photothermal
activity
was
facilely
prepared
via
copolymerization
1,1′-bi(3-dimethylamino-1-oxo-2-enyl-ferrocene)
(BDOEF)
tris-NH2-modified
POV
(tris-V6O9),
which
nanovanadium
oxide
(V2O3
V2O5)
core
shell
were
generated
directly
during
Michael
addition–elimination
reaction.
unique
structure
composition
impart
pH-responsive
peroxidase-like
(POD-like)
catalase-like
(CAT-like)
activities,
concurrently,
to
POV-Fc-COP.
Specifically,
acid-activated
mimicking-POD
could
consume
H2O2
microenvironment,
producing
toxic
•OH
combat
bacteria
biofilms.
vanadium
consumes
excessive
acid,
resulting
an
increase
pH.
Meanwhile,
CAT-like
transform
excess
expression
into
O2
relieve
hypoxia
induced
by
damage
blood
vessels
facilitate
wound
healing.
Additionally,
synergistic
amplified
therapeutic
effect
triggered
application
laser
irradiation
facilitates
rapid
eradication
biofilm,
minimizing
detrimental
impacts
bacterial
proliferation
IME,
thereby
accelerating
restoration
IME
return
normal
state.
Therefore,
POV-Fc-COP
dual-enzyme
functionality
not
only
utilize
but
also
regulate
significantly
expediting
healing
bacteria-infected
wounds.
This
study
demonstrates
simple
method
preparation
intelligent
platform
programmed
antibacterial
antibiofilm
formation,
thus
promoting
while
utilizing
improving
IME.
