Nanomaterials,
Год журнала:
2022,
Номер
12(19), С. 3484 - 3484
Опубликована: Окт. 5, 2022
In
this
paper,
we
propose
a
simple
two-step
method
for
the
synthesis
of
Ag,
Au,
and
Pt-doped
ZnO
nanoparticles.
The
is
based
on
fabrication
targets
using
pulsed
laser
deposition
(PLD)
technique
where
thin
layers
metals
(Ag,
Pt,
Au)
have
been
deposited
metal-oxide
bulk
substrate
(ZnO).
Such
formed
structures
were
used
as
target
production
doped
nanoparticles
(ZnO:
ZnO:
Pt)
by
ablation
in
water.
influence
Pt
doping
optical
properties,
structure
composition,
sizing,
morphology
was
studied
UV-Visible
(UV-Vis)
photoluminescence
(PL)
spectroscopies,
X-ray
diffraction
(XRD),
photoelectron
spectroscopy
(XPS),
scanning
electron
microscopy
(SEM),
transmission
(TEM),
respectively.
band-gap
energy
decreased
to
3.06,
3.08,
3.15
silver,
gold,
platinum-doped
compared
pure
(3.2
eV).
PL
spectra
showed
decrease
recombination
rate
electrons
holes
case
ZnO.
SEM,
TEM,
AFM
images
spherical-shaped
with
relatively
smooth
surface.
XRD
patterns
confirm
that
well
incorporated
inside
lattice
maintained
hexagonal
wurtzite
structure.
This
work
could
provide
new
way
synthesizing
various
materials.
European journal of medical research,
Год журнала:
2023,
Номер
28(1)
Опубликована: Ноя. 24, 2023
Abstract
This
paper
gives
a
detailed
analysis
of
nanotechnology's
rising
involvement
in
numerous
surgical
fields.
We
investigate
the
use
nanotechnology
orthopedic
surgery,
neurosurgery,
plastic
oncology,
heart
vascular
ophthalmic
thoracic
and
minimally
invasive
surgery.
The
details
how
helps
with
arthroplasty,
chondrogenesis,
tissue
regeneration,
wound
healing,
more.
It
also
discusses
employment
nanomaterials
implant
surfaces,
bone
grafting,
breast
implants,
among
other
things.
article
explores
various
uses,
including
stem
cell-incorporated
nano
scaffolds,
nano-surgery,
hemostasis,
nerve
nanorobots,
diagnostic
applications.
ethical
safety
implications
using
surgery
are
addressed.
future
possibilities
investigated,
pointing
to
possible
route
for
improved
patient
outcomes.
essay
finishes
comment
on
transformational
influence
applications
its
promise
breakthroughs.
Graphical
Chemical Engineering Journal Advances,
Год журнала:
2023,
Номер
14, С. 100460 - 100460
Опубликована: Янв. 26, 2023
In
recent
years,
the
use
of
biomass
for
cost-effective
synthesis
nanoparticles
has
emerged
as
a
promising
green
technology.
Because
their
remarkable
properties,
such
tunable
surface
plasmon
resonance
characteristics
and
high
areas,
bio-synthesised
nanomaterials
are
receiving
more
scientific
academic
attention
in
various
application
sectors,
especially
catalysts
environmental
remediation.
Green
synthesized
nanomaterial's
can
efficiently
contribute
to
degradation
wide
range
organic
pollutants,
including
dyes,
into
harmless
by-products.
These
particles
have
cure
recalcitrant
inorganic
pollutants
due
photocatalytic
which
largely
depend
on
production
reactive
oxygen
species
under
sunlight
or
UV
illumination.
This
comprehensive
review
systematically
covers
up-to-date
knowledge
developments
composites
using
plants
microorganisms,
unravels
underlying
mechanisms,
highlights
areas.
It
then
provides
detailed
information
applications
potentially
toxic
dyes
removal
other
emerging
heavy
metals
antibiotics.
Finally,
current
challenges
perspectives
this
technology
future
discussed.
Micromachines,
Год журнала:
2023,
Номер
14(10), С. 1882 - 1882
Опубликована: Сен. 30, 2023
Copper
nanoparticles
(CuNPs)
can
be
synthesized
by
green
methods
using
plant
extracts.
These
are
more
environmentally
friendly
and
offer
improved
properties
of
the
NPs
in
terms
biocompatibility
functional
capabilities.
Traditional
medicine
has
a
rich
history
utilization
herbs
for
millennia,
offering
viable
alternative
or
complementary
option
to
conventional
pharmacological
medications.
Plants
traditional
herbal
use
those
with
medicinal
candidates
used
obtain
due
their
high
complex
content
biocompounds
different
redox
capacities
that
provide
dynamic
reaction
environment
NP
synthesis.
Other
synthesis
conditions,
such
as
salt
precursor
concentration,
temperature,
time
synthesis,
pH,
have
significant
effect
on
characteristics
NPs.
This
paper
will
review
some
compounds
from
plants,
extract
obtention
alternatives,
extracts,
how
they
relate
process.
Additionally,
document
includes
diverse
applications
associated
CuNPs,
starting
antibacterial
potential
metabolic
disease
treatment,
vegetable
tissue
culture,
therapy,
cardioprotective
effect,
among
others.
Pharmaceutics,
Год журнала:
2023,
Номер
15(3), С. 1008 - 1008
Опубликована: Март 21, 2023
Several
developments
and
research
methods
are
ongoing
in
drug
technology
chemistry
to
elicit
effectiveness
regarding
the
therapeutic
activity
of
drugs
along
with
photoprotection
for
their
molecular
integrity.
The
detrimental
effect
UV
light
induces
damaged
cells
DNA,
which
leads
skin
cancer
other
phototoxic
effects.
application
sunscreen
shields
is
important,
recommended
filters.
Avobenzone
widely
used
as
a
UVA
filter
formulations.
However,
keto-enol
tautomerism
propagates
photodegradation
into
it,
further
channelizes
photoirradiation
effects,
limiting
its
use.
approaches
have
been
counter
these
issues,
including
encapsulation,
antioxidants,
photostabilizers,
quenchers.
To
seek
gold
standard
approach
photosensitive
drugs,
combinations
strategies
implemented
identify
effective
safe
agents.
stringent
regulatory
guidelines
formulations,
availability
limited
FDA-approved
filters,
led
many
researchers
develop
perfect
photostabilization
available
photostable
such
avobenzone.
From
this
perspective,
objective
current
review
summarize
recent
literature
on
delivery
avobenzone
that
could
be
useful
frame
industrially
oriented
potential
large
scale
circumvent
all
possible
photounstable
issues
Rising
environmental
awareness
drives
green
consumers
to
purchase
sustainable
cosmetics
based
on
natural
bioactive
compounds.
The
aim
of
this
study
was
deliver
Rosa
canina
L.
extract
as
a
botanical
ingredient
in
an
anti-aging
gel
using
eco-friendly
approach.
Rosehip
first
characterized
terms
its
antioxidant
activity
through
DPPH
assay
and
ROS
reduction
test
then
encapsulated
ethosomal
vesicles
with
different
percentages
ethanol.
All
formulations
were
size,
polydispersity,
zeta
potential,
entrapment
efficiency.
Release
skin
penetration/permeation
data
obtained
vitro
studies,
cell
viability
assessed
MTT
WS1
fibroblasts.
Finally,
ethosomes
incorporated
hyaluronic
gels
(1%
or
2%
w/v)
facilitate
application,
rheological
properties
studied.
(1
mg/mL)
revealed
high
successfully
containing
30%
ethanol,
having
small
sizes
(225.4
±
7.0
nm),
low
polydispersity
(0.26
0.02),
good
efficiency
(93.41
5.30%).
This
formulation
1%
w/v
showed
optimal
pH
for
application
(5.6
0.2),
spreadability,
stability
over
60
days
at
4
°C.
Considering
ingredients
manufacturing
technology,
the
rosehip
could
be
innovative
skincare
product.
Frontiers in Pharmacology,
Год журнала:
2024,
Номер
15
Опубликована: Апрель 2, 2024
Melasma
is
a
chronic
hyperpigmentation
skin
disorder
that
more
common
in
the
female
gender.
Although
melasma
multifactorial
disorder,
however,
sun-exposure
and
genetic
predisposition
are
considered
as
main
etiologic
factors
occurrence.
numerous
topical
systemic
therapeutic
agents
also
non-pharmacologic
procedural
treatments
have
been
management,
commonly
available
options
several
limitations
including
lack
of
sufficient
clinical
effectiveness,
risk
relapse,
high
rate
unwanted
adverse
drug
reactions.
Recruitment
nanotechnology
for
delivery
management
can
lead
to
enhanced
penetration,
targeted
site
action,
longer
deposition
at
area,
limit
absorption
therefore
availability
In
current
review,
first
all,
etiology,
pathophysiology,
severity
classification
considered.
Then,
various
pharmacologic
treatment
discussed.
Afterward,
usage
types
nanoparticles
purpose
was
end,
studies
controlled
trials
on
assessment
effectiveness
these
novel
formulations
summarized.
