Crystals,
Год журнала:
2025,
Номер
15(5), С. 410 - 410
Опубликована: Апрель 28, 2025
A
detailed
characterization
of
metal
clusters
bound
at
the
surface
crystalline
oxide
supports
is
crucial
for
identifying
their
structure–property
relationships
relevant
to
practical
applications.
Theoretical
investigations
based
on
first-principles
calculations
have
proven
be
helpful
in
characterizing
supported
clusters.
In
this
work,
adsorption
an
Sn
dimer
regular
and
defective
(100)
surfaces
MgO
crystal
was
studied
by
means
density
functional
theory
(DFT)
calculations.
The
investigated
defects
included
Fs0,
Fs+,
Fs2+
oxygen
vacancies
MgO(100).
From
results
calculations,
it
clear
that
Sn2
Fs0
Fs+
centers
stronger
than
occurring
defect-free
MgO(100)
surface.
While
triplet
spin
multiplicity
a
free
tends
preserved
upon
its
center,
quenching
favored
adsorbed
O2−
centers.
topological
analysis
electron
carried
out
within
quantum
atoms
molecules
(QTAIM).
calculated
values
QTAIM
parameters
Sn-Sn
bond
do
not
differ
radically
from
corresponding
gas
phase.
Bioengineering,
Год журнала:
2024,
Номер
11(5), С. 508 - 508
Опубликована: Май 17, 2024
Magnesium
(Mg)
is
considered
an
attractive
option
for
orthopedic
applications
due
to
its
density
and
elastic
modulus
close
the
natural
bone
of
body,
as
well
biodegradability
good
tensile
strength.
However,
it
faces
serious
challenges,
including
a
high
degradation
rate
and,
result,
loss
mechanical
properties
during
long
periods
exposure
biological
environment.
Also,
among
other
weaknesses,
can
be
mentioned
that
does
not
deal
with
bacterial
biofilms.
It
has
been
found
making
composites
by
synergizing
various
components
efficient
way
improve
properties.
Among
metal
oxide
nanoparticles,
magnesium
nanoparticles
(MgO
NPs)
have
distinct
physicochemical
properties,
biocompatibility,
biodegradability,
bioactivity,
significant
antibacterial
which
make
choice
reinforcement
in
composites.
lack
comprehensive
understanding
effectiveness
Mg
NPs
matrix
reinforcements
mechanical,
corrosion,
fields
challenge
their
application.
While
introducing
role
MgO
medical
fields,
this
article
summarizes
most
important
results
recent
research
on
performance
Mg/MgO
Molecules,
Год журнала:
2024,
Номер
29(13), С. 3061 - 3061
Опубликована: Июнь 27, 2024
Rehabilitation
of
fully
or
partially
edentulous
patients
with
dental
implants
represents
one
the
most
frequently
used
surgical
procedures.
The
work
Branemark,
who
observed
that
a
piece
titanium
embedded
in
rabbit
bone
became
firmly
attached
and
difficult
to
remove,
introduced
concept
osseointegration
revolutionized
modern
dentistry.
Since
then,
an
ever-growing
need
for
improved
implant
materials
towards
enhanced
material-tissue
integration
has
emerged.
There
is
strong
belief
nanoscale
will
produce
superior
generation
high
efficiency,
low
cost,
volume.
aim
this
review
explore
contribution
nanomaterials
implantology.
A
variety
have
been
proposed
as
potential
candidates
surface
customization.
They
can
inherent
antibacterial
properties,
provide
conditions
osseointegration,
act
reservoirs
biomolecules
drugs.
Titania
nanotubes
alone
combination
biological
agents
drugs
are
tissue
implants.
Regarding
immunomodulation
order
avoid
rejection,
titania
nanotubes,
graphene,
biopolymers
successfully
utilized,
sometimes
loaded
anti-inflammatory
extracellular
vesicles.
Peri-implantitis
prevention
be
achieved
through
properties
metal
nanoparticles
chitosan
hybrid
coatings
bearing
antibiotic
substances.
For
corrosion
resistance
various
explored.
However,
even
though
these
modifications
shown
promising
results,
future
research
necessary
assess
their
clinical
behavior
humans
proceed
widespread
commercialization.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Ноя. 30, 2024
Green
synthesis
using
plant
extracts
such
as
Ocimum
basilicum
L.
(OBL)
seed
has
attracted
attention
due
to
its
sustainable
and
environmentally
friendly
nature.
In
this
study,
ZnO-MgO-Mn2O3
nanocomposites
were
synthesized
OBL
extract
at
two
different
calcination
temperatures
of
500
°C
600
°C,
evaluated
in
terms
photocatalytic
application
cytotoxicity.
Phytochemicals
seeds
act
reducing
masking
agents
the
production
route,
which
leads
formation
nanomaterials
with
unique
properties.
Characterization
techniques,
including
XRD,
FE-SEM,
DRS
used
analyze
structural,
morphological,
optical
features
nanocomposite.
XRD
results
confirmed
increasing
crystal
size
from
~
32
nm
(500
°C)
84
(600
°C).
Also,
FE-SEM
images
showed
irregularly
shaped
EDX
spectra
samples
presence
zinc,
magnesium,
manganese,
oxygen
elements.
The
behavior
nanocomposite
cacined
was
investigated
for
organic
pollutants.
Removal
percentages
97%
Eriochrome
Black
T
dye
(pH
=
10
90
min),
99%
methylene
blue
60
89%
methyl
orange
105
86.9%
Rhodamine
B
3
min)
obtained.
Moreover,
cytotoxicity
on
4T1
cell
line
investgate
effect
biological
systems,
IC50
value
obtained
around
323
µg/mL.
Journal of Industrial Textiles,
Год журнала:
2025,
Номер
55
Опубликована: Янв. 8, 2025
The
textile
industry
is
striving
versatile
range
of
coatings,
which
imparts
multifunctional
properties
to
them.
There
are
many
fields
where
coated
textiles
perform
effectively,
standalone
nanoparticles
or
finishes
fail
adequately.
However,
the
chemicals,
finishes,
and
synthetically
produced
nanomaterials
currently
in
use
have
negative
ecological
impacts.
Hence
review
focused
on
current
developments
ecologically
friendly
biosynthesis
techniques
for
magnesium
oxide
nanoparticles,
their
coating
over
structures
outlining
potential
novel
applications
with
MgO-NPs
different
areas.
Due
rising
need
green
chemistry
perspective
a
variety
uses,
nanoparticle
production
using
sustainable
environmentally
clean
processes
has
gained
popularity.
Current
advancements
pleasant
creation
those
mediated
by
plants,
microbes,
other
natural
processes.
objective
work
was
gather
all
methods
synthesis
MgO-NPs.
Secondly,
elaborates
possible
that
synthetic
could
several
industries.
various
MgO-NP
attributes
including
size,
shape,
surface
area
functional
characteristics
like
flammability
antipathogenicity,
biocompatibility
redox
discussed.
numerous
uses
also
highlighted,
as
wastewater
treatment
agents,
energy
systems,
drug
delivery,
catalysts,
biomedical
fields.
discussion
these
particles
some
fields,
nanomedicine
food
packaging.
challenges
future
directions
along
addressed.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(8), С. 4242 - 4242
Опубликована: Апрель 11, 2024
This
work
is
devoted
to
magnesium
oxide
(MgO)
nanoparticles
(NPs)
for
their
use
as
additives
bone
implants.
Extracts
from
four
different
widely
used
plants,
including
Aloe
vera,
Echeveria
elegans,
Sansevieria
trifasciata,
and
Sedum
morganianum,
were
evaluated
ability
facilitate
the
“green
synthesis”
of
MgO
nanoparticles.
The
thermal
stability
decomposition
behavior
MgONPs
analyzed
by
thermogravimetric
analysis
(TGA).
Structure
characterization
was
performed
X-ray
diffraction
(XRD),
energy
dispersive
spectroscopy
(EDS),
ultraviolet-visible
(UV-Vis),
dynamic
light
scattering
(DLS),
Raman
(RS).
Morphology
studied
scanning
electron
microscopy
(SEM).
photocatalytic
activity
investigated
based
on
degradation
methyl
orange
(MeO)
using
UV-Vis
spectroscopy.
Surface-enhanced
(SERS)
monitor
adsorption
L-phenylalanine
(L-Phe)
surface
MgONPs.
calculated
enhancement
factor
(EF)
up
102
orders
magnitude
MgO.
first
showing
SERS
spectra
a
chemical
compound
immobilized
Molecules,
Год журнала:
2024,
Номер
29(18), С. 4299 - 4299
Опубликована: Сен. 11, 2024
The
increasing
global
requirement
for
clean
and
safe
drinking
water
has
necessitated
the
development
of
efficient
methods
elimination
organic
contaminants,
especially
dyes,
from
wastewater.
This
study
reports
synthesis
magnesium
oxide
(MgO)
nanoparticles
via
a
simple
precipitation
approach
their
thorough
characterization
using
various
techniques,
including
XRD,
FT-IR,
XPS,
TGA,
DLS,
FESEM.
Synthesized
MgO
nanoparticles'
photocatalytic
effectiveness
was
evaluated
towards
rhodamine
B
6G
degradation
under
both
UV
visible
light
irradiation.
results
indicated
that
possess
face-centered
cubic
structure
with
enhanced
crystallinity
purity,
as
well
an
average
crystallite
size
approximately
3.20
nm.
demonstrated
significant
BET
surface
area
(52
m