Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Sept. 22, 2023
Abstract
In
the
present
study,
a
novel
four-component
flexible
film
based
on
α-ketoglutaric
acid,
chitosan,
polyaniline,
and
graphene
oxide
(α-CTS-PANI-GO)
was
synthesized
characterized
by
Scanning
Electron
Microscope
(SEM),
Fourier
Transform
Infrared
Spectroscopy
(FT-IR),
Raman
spectroscopy.
The
simultaneous
removal
properties
of
α-CTS-PANI-GO
were
evaluated
in
cationic
anionic
dyes,
Methylene
Blue
(MB)
Acid
Orange
7
(AO7).
Using
Central
Composite
Decomposition
(CCD),
effect
different
variables
such
as
pH,
temperature,
adsorbent
dose,
time
AO7
MB
studied.
Various
isotherm
models,
Langmuir
Freundlich,
investigated,
processing
experimental
equilibrium
data
confirmed
suitability
application
model.
Analysis
adsorption
using
various
kinetic
quasi-first
second-order
shows
applicability
first-order
equation.
results
showed
that
optimal
conditions,
percentage
about
95%
for
80%
MB,
which
indicates
successful
performance
synthetic
compared
to
method.
Fibers,
Journal Year:
2024,
Volume and Issue:
12(3), P. 26 - 26
Published: March 12, 2024
This
review
is
focused
on
the
recent
development
of
various
chitosan-based
nanofibers
(membranes,
patches,
mats,
and
scaffolds)
that
have
been
designed
into
core
shell
structures
using
emulsion
coaxial
electrospinning
techniques.
Chitosan,
a
promising
polysaccharide
derived
from
natural
sources,
holds
potential
for
diverse
applications,
including
nanofiber
production,
aimed
at
fostering
sustainability.
Core/shell
offer
appealing
features,
drug
encapsulation
sustained
release
capabilities,
with
higher
efficiency
than
uniaxial
fibers.
The
fabrication
core/shell
nanofibers,
co-spinning
agents
spinning
parameters,
such
as
voltage,
needle
size,
flow
rate,
distance
tip
to
collector,
temperature,
humidity,
summarized
in
this
work.
also
explores
updated
applications
fields,
textiles,
medical
dressings,
systems,
filtration
membranes,
food
packaging.
It
highlights
current
advancements
produced
via
innovative
insights
presented
literature
challenges
associated
these
sustainable
materials
are
thoroughly
examined,
offering
valuable
contributions
field.
Surgeries,
Journal Year:
2024,
Volume and Issue:
5(3), P. 640 - 659
Published: Aug. 9, 2024
The
skin
is
crucial
for
homeostasis
and
body
defense,
requiring
quick
healing
to
maintain
internal
balance.
Initially
used
bone
repair,
calcium
hydroxyapatite
(HAp)
now
being
studied
soft
tissue
engineering.
This
literature
review
investigated
HAp’s
role
in
repair
through
searches
on
PubMed,
Scopus
(Elsevier),
Science
Direct,
Springer
Link,
Google
Scholar
databases
without
time
restrictions,
using
keywords
“hydroxyapatite
AND
wound”
repair”.
Inclusion
criteria
encompassed
vivo
studies
humans
animals,
English
publications,
full
access,
sufficient
data
repair.
Exclusions
included
duplicates,
unrelated
articles,
editor
letters,
reviews,
comments,
conference
abstracts,
dissertations,
theses.
Out
of
the
472
articles
initially
identified,
139
met
inclusion
criteria,
with
21
focusing
HAp
Findings
indicate
that
nano-HAp
regeneration
are
promising,
especially
when
combined
other
biomaterials,
offering
antimicrobial
anti-inflammatory
benefits
stimulating
angiogenesis.
suggests
their
potential
application
dermatology,
surgery,
dentistry,
extending
versatility
from
hard
tissues
enhancing
critical
properties
accelerating
healing.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 4, 2025
Abstract
Implant‐associated
infections
and
inflammation
during
pre‐
post‐operative
procedures
remain
significant
challenges
that
reduce
implant
longevity.
In
this
study,
the
uniques
bioactive
coatings
derived
from
silver‐gallium
liquid
metal
particles
(Ag‐GaNPs)
deposited
uniformly
over
HAp
scaffold
(HAp‐Ag‐GaNPs)
are
developed.
The
HAp‐Ag‐GaNPs
exhibit
strong
antimicrobial
activities
against
Gram‐negative
Pseudomonas
aeruginosa
,
Gram‐positive
Staphylococcus
aureus
(
S.
),
drug‐resistant
bacteria
such
as
methicillin‐resistant
persistent
like
small
colony
variant
of
.
antibacterial
mechanisms
multifaced,
including
reactive
oxygen
species
within
cells,
leading
to
damage
leakage
cytosolic
contents
reduced
ATP
levels.
synchrotron
macro
attenuated
total
reflectance
–
Fourier
transform
infrared
microspectroscopy
is
utilized
understand
influence
on
lipids,
proteins,
nucleic
acids
pathogenic
bacteria.
Proteomic
analysis
reveals
disrupt
critical
bacterial
processes,
DNA
replication,
RNA
transcription,
protein
synthesis,
energy
metabolism,
alongside
inducing
oxidative
stress
membrane
in
addition,
vivo
studies
demonstrate
colonization
enhanced
tissue
integration
at
sites
treated
with
HAp‐Ag‐GaNPs,
further
supporting
their
dual
functionality.
findings
highlight
potential
a
next‐generation
biomaterial
osteogenic
properties
for
clinical
applications
orthopedic
implants.
Discover Materials,
Journal Year:
2024,
Volume and Issue:
4(1)
Published: Dec. 20, 2024
The
recent
advancements
in
nanotechnology
have
significantly
impacted
wound
healing,
particularly
through
the
development
of
electrospun
nanofibers
(NFs).
This
review
summarizes
research
on
NFs
made
from
chitosan,
gelatin,
curcumin,
and
rutin,
focusing
their
potential
for
healing
applications.
Chitosan
is
noted
its
antimicrobial
biocompatible
properties,
gelatin
excellent
biocompatibility
biodegradability,
curcumin
rutin
strong
antioxidant
anti-inflammatory
effects.
Electrospinning
employed
to
produce
these
with
controlled
diameters
morphologies.
discusses
preparation
methods,
optimal
electrospinning
parameters,
challenges
like
solution
viscosity
environmental
conditions.
It
also
includes
an
assessment
using
SEM,
TEM,
FTIR,
XRD,
tensile
testing,
DSC
evaluate
morphology,
chemical
composition,
mechanical
thermal
biodegradability.
In
vitro
vivo
testing
NFs'
efficacy,
including
biocompatibility,
activity,
hemocompatibility,
closure
rates
animal
models.
highlights
that
NF
combining
show
enhanced
due
synergistic
which
promote
cell
proliferation,
reduce
inflammation,
prevent
infection.
Despite
promising
results,
optimizing
synthesis
process
ensuring
consistent
clinical
performance
remain.
Further
needed
address
advance
application
NFs.
aims
guide
future
contribute
more
effective
wound-healing
therapies.
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(12), P. e22820 - e22820
Published: Nov. 25, 2023
Increasing
evidence
suggests
that
elevated
intracellular
levels
of
reactive
oxygen
species
(ROS)
play
a
significant
role
in
the
pathogenesis
many
diseases.
Increased
ROS
can
lead
to
oxidation
lipids,
DNA,
and
proteins,
contributing
cellular
damage.
Hence,
maintenance
redox
hemostasis
is
essential.
Naringenin
(NAR)
flavonoid
included
flavanones
subcategory.
Various
pharmacological
actions
have
been
ascribable
this
phytochemical
composition,
including
antioxidant,
anti-inflammatory,
antibacterial,
antiviral,
antitumor,
antiadipogenic,
neuro-,
cardio-protective
activities.
This
review
focused
on
underlying
mechanism
responsible
for
antioxidative
stress
properties
NAR
its'
nanoformulations.
Several
lines
vitro
vivo
investigations
suggest
effects
its
nanoformulation
their
target
cells
via
modulating
signaling
pathways.
These
nanoformulations
include
nanoemulsion,
nanocarriers,
solid
lipid
nanoparticles
(SLN),
nanomicelle.
also
highlights
several
beneficial
health
human
diseases
brain
disorders,
cancer,
rheumatoid
arthritis,
small
intestine
injuries.
Employing
improve
pharmacokinetic
consequently
efficiency
by
reducing
limitations,
such
as
low
bioavailability.
The
protective
against
oxidative
may
be
linked
modulation
Nrf2-heme
oxygenase-1,
NO/cGMP/potassium
channel,
COX-2,
NF-κB,
AMPK/SIRT3,
PI3K/Akt/mTOR,
BDNF,
NOX,
LOX-1
Understanding
behind
facilitate
drug
development
treatment
stress-related
disorders.
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
13(32)
Published: Oct. 14, 2024
Abstract
Chronic
wounds
are
characterized
by
long‐term
inflammation,
including
diabetic
ulcers,
traumatic
etc.,
which
provide
an
optimal
environment
for
bacterial
proliferation.
At
present,
antibiotics
the
main
clinical
treatment
method
chronic
wound
infections.
However,
overuse
of
may
accelerate
emergence
drug‐resistant
bacteria,
poses
a
significant
threat
to
human
health.
Therefore,
there
is
urgent
need
develop
new
therapeutic
strategies
Nanozyme‐based
antimicrobial
therapy
(NABT)
emerging
strategy
with
broad‐spectrum
activity
and
low
drug
resistance
compared
traditional
antibiotics.
NABT
has
shown
great
potential
as
catalyzing
generation
reactive
oxygen
species
(ROS)
its
enzyme‐like
catalytic
properties,
producing
powerful
bactericidal
effect
without
developing
resistance.
cascade
technology
offers
approach
infection
control,
effectively
improving
efficacy
activating
cascades
against
cell
membranes
intracellular
DNA
while
minimizing
side
effects.
it
worth
noting
that
this
still
in
early
stages
research.
This
article
comprehensively
reviews
classification,
current
methods
infection,
different
types
nanozymes,
application
nanozyme
reaction
therapy,
future
challenges
prospects.
Green Chemistry Letters and Reviews,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Dec. 2, 2024
Hydroxyapatite
(HAP)
is
a
ceramic
biomaterial
admired
with
an
excellent
preference
in
the
biomedical
fields
as
it
possesses
unique
properties
and
their
similarity
chemical
compositions
human
bones.
Thus,
preparation
of
HAP
using
wide
variety
methods
under
diverse
reaction
conditions
has
gained
significant
interest
recent
times.
In
this
context,
research
shifted
toward
designing
green
synthesis
routes,
which
avoids
use
toxic
chemicals
explores
moderate
operating
conditions.
These
nanocomposites
constituted
by
nanoparticles
(NPs)
synthesized
via
have
remarkable
biocompatibility,
antimicrobial
nature,
wound
healing,
osteointegration
well
environmental
applications.
peculiar
combination
HAP,
nanotechnology,
exciting
field
that
unwrapped
new
avenues
for
problems
related
to
in-vivo
therapies.
focused
review
article,
HAPs
HAPs-based
composites
diversified
sources
are
discussed
different
The
specific
insights
into
formation
mechanisms
followed
relevant
application
materials
medical
domains
presented.
Finally,
key
issues
development
perspectives
HAP-based
applications
also
emphasized.